2006-02-09 06:46:49 +01:00
dnl Copyright (c) 2001-2004, Roger Dingledine
2008-02-07 06:31:47 +01:00
dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
2019-01-16 18:33:22 +01:00
dnl Copyright (c) 2007-2019, The Tor Project, Inc.
2005-04-01 22:15:56 +02:00
dnl See LICENSE for licensing information
2002-06-29 01:26:42 +02:00
2016-02-23 17:08:04 +01:00
AC_PREREQ([2.63])
2021-03-15 12:42:47 +01:00
AC_INIT([tor],[0.4.6.1-alpha])
2018-07-05 23:05:54 +02:00
AC_CONFIG_SRCDIR([src/app/main/tor_main.c])
2013-02-07 22:23:48 +01:00
AC_CONFIG_MACRO_DIR([m4])
2016-02-26 13:53:28 +01:00
2019-08-08 16:08:02 +02:00
configure_flags="$*"
2020-11-17 10:43:00 +01:00
AC_DEFINE_UNQUOTED([CONFIG_FLAGS], ["$configure_flags"], [Flags passed to configure])
2019-08-08 16:08:02 +02:00
2018-11-25 02:03:48 +01:00
# DO NOT EDIT THIS DEFINITION BY HAND UNLESS YOU KNOW WHAT YOU'RE DOING.
#
# The update_versions.py script updates this definition when the
# version number changes. Tor uses it to make sure that it
# only shuts down for missing "required protocols" when those protocols
# are listed as required by a consensus after this date.
2021-03-15 12:42:47 +01:00
AC_DEFINE(APPROX_RELEASE_DATE, ["2021-03-15"], # for 0.4.6.1-alpha
2018-11-25 02:03:48 +01:00
[Approximate date when this software was released. (Updated when the version changes.)])
2016-02-26 13:53:28 +01:00
# "foreign" means we don't follow GNU package layout standards
# "1.11" means we require automake version 1.11 or newer
# "subdir-objects" means put .o files in the same directory as the .c files
2016-12-15 18:02:30 +01:00
AM_INIT_AUTOMAKE([foreign 1.11 subdir-objects -Wall -Werror])
2016-02-26 13:53:28 +01:00
2020-09-23 16:11:36 +02:00
tor_ac_n_warnings=0
tor_incr_n_warnings() {
tor_ac_n_warnings=`expr $tor_ac_n_warnings + 1`
}
2012-08-02 16:01:25 +02:00
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
2012-08-23 18:35:21 +02:00
AC_CONFIG_HEADERS([orconfig.h])
2002-06-29 01:26:42 +02:00
2016-06-17 15:43:25 +02:00
AC_USE_SYSTEM_EXTENSIONS
2004-05-17 22:53:04 +02:00
AC_CANONICAL_HOST
2014-02-21 00:24:25 +01:00
PKG_PROG_PKG_CONFIG
2019-10-03 08:31:20 +02:00
if test "x$PKG_CONFIG" = "x" ; then
2019-10-03 08:53:12 +02:00
pkg_config_user_action="install pkg-config, and check the PKG_CONFIG_PATH environment variable"
2019-10-03 08:31:20 +02:00
AC_MSG_NOTICE([Some libraries need pkg-config, including systemd, nss, lzma, zstd, and custom mallocs.])
2019-10-03 08:53:12 +02:00
AC_MSG_NOTICE([To use those libraries, $pkg_config_user_action.])
2019-10-03 08:31:20 +02:00
else
2019-10-03 08:53:12 +02:00
pkg_config_user_action="check the PKG_CONFIG_PATH environment variable"
2019-10-03 08:31:20 +02:00
fi
2014-02-21 00:24:25 +01:00
2019-10-29 21:13:56 +01:00
if test "x$PKG_CONFIG_PATH" = "x" && test "x$prefix" != "xNONE" && test "$host" != "$build"; then
export PKG_CONFIG_PATH=$prefix/lib/pkgconfig
AC_MSG_NOTICE([set PKG_CONFIG_PATH=$PKG_CONFIG_PATH to support cross-compiling])
fi
2008-02-17 20:03:49 +01:00
AC_ARG_ENABLE(openbsd-malloc,
2018-08-03 13:38:47 +02:00
AS_HELP_STRING(--enable-openbsd-malloc, [use malloc code from OpenBSD. Linux only. Deprecated: see --with-malloc]))
2010-01-24 20:34:47 +01:00
AC_ARG_ENABLE(static-openssl,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--enable-static-openssl, [link against a static openssl library. Requires --with-openssl-dir]))
2010-01-24 20:34:47 +01:00
AC_ARG_ENABLE(static-libevent,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--enable-static-libevent, [link against a static libevent library. Requires --with-libevent-dir]))
2010-04-14 16:48:05 +02:00
AC_ARG_ENABLE(static-zlib,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--enable-static-zlib, [link against a static zlib library. Requires --with-zlib-dir]))
2011-03-10 10:22:32 +01:00
AC_ARG_ENABLE(static-tor,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--enable-static-tor, [create an entirely static Tor binary. Requires --with-openssl-dir and --with-libevent-dir and --with-zlib-dir]))
2013-06-06 20:56:05 +02:00
AC_ARG_ENABLE(unittests,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--disable-unittests, [don't build unit tests for Tor. Risky!]))
2013-07-09 18:37:11 +02:00
AC_ARG_ENABLE(coverage,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--enable-coverage, [enable coverage support in the unit-test build]))
2016-02-04 18:51:52 +01:00
AC_ARG_ENABLE(asserts-in-tests,
AS_HELP_STRING(--disable-asserts-in-tests, [disable tor_assert() calls in the unit tests, for branch coverage]))
2015-01-06 23:07:01 +01:00
AC_ARG_ENABLE(system-torrc,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--disable-system-torrc, [don't look for a system-wide torrc file]))
2016-12-19 21:17:42 +01:00
AC_ARG_ENABLE(libfuzzer,
2017-01-09 16:44:55 +01:00
AS_HELP_STRING(--enable-libfuzzer, [build extra fuzzers based on 'libfuzzer']))
AC_ARG_ENABLE(oss-fuzz,
AS_HELP_STRING(--enable-oss-fuzz, [build extra fuzzers based on 'oss-fuzz' environment]))
2017-02-13 15:10:11 +01:00
AC_ARG_ENABLE(memory-sentinels,
AS_HELP_STRING(--disable-memory-sentinels, [disable code that tries to prevent some kinds of memory access bugs. For fuzzing only.]))
2017-04-29 08:51:51 +02:00
AC_ARG_ENABLE(rust,
AS_HELP_STRING(--enable-rust, [enable rust integration]))
2017-05-02 05:06:45 +02:00
AC_ARG_ENABLE(cargo-online-mode,
AS_HELP_STRING(--enable-cargo-online-mode, [Allow cargo to make network requests to fetch crates. For builds with rust only.]))
2017-12-11 16:57:00 +01:00
AC_ARG_ENABLE(restart-debugging,
AS_HELP_STRING(--enable-restart-debugging, [Build Tor with support for debugging in-process restart. Developers only.]))
2018-02-06 17:58:05 +01:00
AC_ARG_ENABLE(zstd-advanced-apis,
AS_HELP_STRING(--disable-zstd-advanced-apis, [Build without support for zstd's "static-only" APIs.]))
2018-07-11 18:57:30 +02:00
AC_ARG_ENABLE(nss,
AS_HELP_STRING(--enable-nss, [Use Mozilla's NSS TLS library. (EXPERIMENTAL)]))
2018-09-12 16:10:29 +02:00
AC_ARG_ENABLE(pic,
AS_HELP_STRING(--enable-pic, [Build Tor's binaries as position-independent code, suitable to link as a library.]))
2013-06-06 20:56:05 +02:00
2019-11-05 18:24:02 +01:00
AC_ARG_ENABLE(missing-doc-warnings,
2019-11-06 22:59:41 +01:00
AS_HELP_STRING(--enable-missing-doc-warnings, [Tell doxygen to warn about missing documentation. Makes doxygen warnings nonfatal.]))
2019-11-05 18:24:02 +01:00
if test "$enable_missing_doc_warnings" = "yes"; then
DOXYGEN_FATAL_WARNINGS=NO
DOXYGEN_WARN_ON_MISSING=YES
elif test "$enable_fatal_warnings" = "yes"; then
# Fatal warnings from doxygen are nice, but not if we're warning about
# missing documentation.
DOXYGEN_FATAL_WARNINGS=YES
DOXYGEN_WARN_ON_MISSING=NO
else
DOXYGEN_FATAL_WARNINGS=NO
DOXYGEN_WARN_ON_MISSING=NO
fi
AC_SUBST(DOXYGEN_FATAL_WARNINGS)
AC_SUBST(DOXYGEN_WARN_ON_MISSING)
2016-02-04 02:28:38 +01:00
if test "x$enable_coverage" != "xyes" -a "x$enable_asserts_in_tests" = "xno" ; then
2016-02-05 14:40:07 +01:00
AC_MSG_ERROR([Can't disable assertions outside of coverage build])
fi
2016-02-04 02:28:38 +01:00
AM_CONDITIONAL(UNITTESTS_ENABLED, test "x$enable_unittests" != "xno")
AM_CONDITIONAL(COVERAGE_ENABLED, test "x$enable_coverage" = "xyes")
AM_CONDITIONAL(DISABLE_ASSERTS_IN_UNIT_TESTS, test "x$enable_asserts_in_tests" = "xno")
2016-12-19 21:17:42 +01:00
AM_CONDITIONAL(LIBFUZZER_ENABLED, test "x$enable_libfuzzer" = "xyes")
2017-01-09 16:44:55 +01:00
AM_CONDITIONAL(OSS_FUZZ_ENABLED, test "x$enable_oss_fuzz" = "xyes")
2017-04-29 08:51:51 +02:00
AM_CONDITIONAL(USE_RUST, test "x$enable_rust" = "xyes")
2018-07-11 18:57:30 +02:00
AM_CONDITIONAL(USE_NSS, test "x$enable_nss" = "xyes")
2018-08-12 23:18:41 +02:00
AM_CONDITIONAL(USE_OPENSSL, test "x$enable_nss" != "xyes")
2018-07-11 18:57:30 +02:00
if test "x$enable_nss" = "xyes"; then
AC_DEFINE(ENABLE_NSS, 1,
2018-09-04 15:51:39 +02:00
[Defined if we're building with NSS.])
2018-08-12 23:18:41 +02:00
else
AC_DEFINE(ENABLE_OPENSSL, 1,
[Defined if we're building with OpenSSL or LibreSSL])
2018-07-11 18:57:30 +02:00
fi
2013-07-09 18:37:11 +02:00
2011-03-10 10:22:32 +01:00
if test "$enable_static_tor" = "yes"; then
enable_static_libevent="yes";
enable_static_openssl="yes";
enable_static_zlib="yes";
2020-11-18 17:24:38 +01:00
TOR_STATIC_LDFLAGS="-static"
2011-03-10 10:22:32 +01:00
fi
2020-11-18 17:24:38 +01:00
AC_SUBST(TOR_STATIC_LDFLAGS)
2008-02-17 20:03:49 +01:00
2015-01-06 23:07:01 +01:00
if test "$enable_system_torrc" = "no"; then
AC_DEFINE(DISABLE_SYSTEM_TORRC, 1,
[Defined if we're not going to look for a torrc in SYSCONF])
fi
2017-02-13 15:10:11 +01:00
if test "$enable_memory_sentinels" = "no"; then
AC_DEFINE(DISABLE_MEMORY_SENTINELS, 1,
[Defined if we're turning off memory safety code to look for bugs])
fi
2019-06-16 19:18:30 +02:00
AC_ARG_ENABLE(manpage,
AS_HELP_STRING(--disable-manpage, [Disable manpage generation.]))
AC_ARG_ENABLE(html-manual,
AS_HELP_STRING(--disable-html-manual, [Disable HTML documentation.]))
2010-03-01 03:17:48 +01:00
AC_ARG_ENABLE(asciidoc,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--disable-asciidoc, [don't use asciidoc (disables building of manpages)]),
2010-03-01 03:17:48 +01:00
[case "${enableval}" in
2016-02-04 02:28:38 +01:00
"yes") asciidoc=true ;;
"no") asciidoc=false ;;
2010-03-01 03:17:48 +01:00
*) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
esac], [asciidoc=true])
2014-02-21 00:24:25 +01:00
# systemd notify support
AC_ARG_ENABLE(systemd,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--enable-systemd, [enable systemd notification support]),
2014-02-21 00:24:25 +01:00
[case "${enableval}" in
2016-02-04 02:28:38 +01:00
"yes") systemd=true ;;
"no") systemd=false ;;
2014-02-21 00:24:25 +01:00
* ) AC_MSG_ERROR(bad value for --enable-systemd) ;;
esac], [systemd=auto])
2017-12-11 16:57:00 +01:00
if test "$enable_restart_debugging" = "yes"; then
AC_DEFINE(ENABLE_RESTART_DEBUGGING, 1,
[Defined if we're building with support for in-process restart debugging.])
fi
2014-02-21 00:24:25 +01:00
2018-02-06 17:58:05 +01:00
if test "$enable_zstd_advanced_apis" != "no"; then
AC_DEFINE(ENABLE_ZSTD_ADVANCED_APIS, 1,
[Defined if we're going to try to use zstd's "static-only" APIs.])
fi
2014-02-21 00:24:25 +01:00
# systemd support
2016-02-04 02:28:38 +01:00
if test "x$enable_systemd" = "xno"; then
2014-02-21 00:24:25 +01:00
have_systemd=no;
else
PKG_CHECK_MODULES(SYSTEMD,
[libsystemd-daemon],
have_systemd=yes,
have_systemd=no)
2016-02-04 02:28:38 +01:00
if test "x$have_systemd" = "xno"; then
2015-01-12 15:49:52 +01:00
AC_MSG_NOTICE([Okay, checking for systemd a different way...])
PKG_CHECK_MODULES(SYSTEMD,
[libsystemd],
have_systemd=yes,
have_systemd=no)
fi
2014-02-21 00:24:25 +01:00
fi
2016-02-04 02:28:38 +01:00
if test "x$have_systemd" = "xyes"; then
2014-02-21 00:24:25 +01:00
AC_DEFINE(HAVE_SYSTEMD,1,[Have systemd])
2015-01-10 23:21:11 +01:00
TOR_SYSTEMD_CFLAGS="${SYSTEMD_CFLAGS}"
2015-01-06 20:05:35 +01:00
TOR_SYSTEMD_LIBS="${SYSTEMD_LIBS}"
2015-05-26 15:39:53 +02:00
PKG_CHECK_MODULES(LIBSYSTEMD209, [libsystemd >= 209],
2019-10-03 08:32:30 +02:00
[AC_DEFINE(HAVE_SYSTEMD_209,1,[Have systemd v209 or greater])], [])
2014-02-21 00:24:25 +01:00
fi
2015-01-10 23:21:11 +01:00
AC_SUBST(TOR_SYSTEMD_CFLAGS)
2014-02-21 00:24:25 +01:00
AC_SUBST(TOR_SYSTEMD_LIBS)
2016-02-04 02:28:38 +01:00
if test "x$enable_systemd" = "xyes" -a "x$have_systemd" != "xyes" ; then
2019-10-03 08:53:12 +02:00
AC_MSG_ERROR([Explicitly requested systemd support, but systemd not found, $pkg_config_user_action, or set SYSTEMD_CFLAGS and SYSTEMD_LIBS.])
2014-02-21 00:24:25 +01:00
fi
2016-02-04 02:28:38 +01:00
case "$host" in
2005-08-24 04:11:33 +02:00
*-*-solaris* )
AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
;;
esac
2006-10-08 23:05:11 +02:00
AC_ARG_ENABLE(gcc-warnings,
2016-05-23 20:39:56 +02:00
AS_HELP_STRING(--enable-gcc-warnings, [deprecated alias for enable-fatal-warnings]))
AC_ARG_ENABLE(fatal-warnings,
AS_HELP_STRING(--enable-fatal-warnings, [tell the compiler to treat all warnings as errors.]))
2010-01-24 19:32:41 +01:00
AC_ARG_ENABLE(gcc-warnings-advisory,
2016-05-23 20:39:56 +02:00
AS_HELP_STRING(--disable-gcc-warnings-advisory, [disable the regular verbose warnings]))
2006-10-08 23:05:11 +02:00
2009-11-07 00:45:27 +01:00
dnl Others suggest '/gs /safeseh /nxcompat /dynamicbase' for non-gcc on Windows
AC_ARG_ENABLE(gcc-hardening,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--disable-gcc-hardening, [disable compiler security checks]))
2009-11-07 00:45:27 +01:00
2017-02-01 16:08:40 +01:00
dnl Deprecated --enable-expensive-hardening but keep it for now for backward compat.
2014-04-14 23:10:34 +02:00
AC_ARG_ENABLE(expensive-hardening,
2017-02-01 16:08:40 +01:00
AS_HELP_STRING(--enable-expensive-hardening, [enable more fragile and expensive compiler hardening; makes Tor slower]))
AC_ARG_ENABLE(fragile-hardening,
AS_HELP_STRING(--enable-fragile-hardening, [enable more fragile and expensive compiler hardening; makes Tor slower]))
if test "x$enable_expensive_hardening" = "xyes" || test "x$enable_fragile_hardening" = "xyes"; then
fragile_hardening="yes"
2018-06-03 13:48:20 +02:00
AC_DEFINE(DEBUG_SMARTLIST, 1, [Enable smartlist debugging])
2017-02-01 16:08:40 +01:00
fi
2014-04-14 23:10:34 +02:00
2020-03-13 19:24:54 +01:00
AC_ARG_ENABLE(all-bugs-are-fatal,
AS_HELP_STRING(--enable-all-bugs-are-fatal, [force all soft asserts in Tor codebase (tor_assert_nonfatal(), BUG(), etc.) to act as hard asserts (tor_assert() and equivalents); makes Tor fragile; only recommended for dev builds]))
if test "x$enable_all_bugs_are_fatal" = "xyes"; then
AC_DEFINE(ALL_BUGS_ARE_FATAL, 1, [All assert failures are fatal])
fi
2009-11-07 00:45:27 +01:00
dnl Linker hardening options
dnl Currently these options are ELF specific - you can't use this with MacOSX
AC_ARG_ENABLE(linker-hardening,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--disable-linker-hardening, [disable linker security fixups]))
2009-11-07 00:45:27 +01:00
2009-01-16 00:07:11 +01:00
AC_ARG_ENABLE(local-appdata,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--enable-local-appdata, [default to host local application data paths on Windows]))
2009-01-16 00:07:11 +01:00
if test "$enable_local_appdata" = "yes"; then
AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
[Defined if we default to host local appdata paths on Windows])
fi
2013-10-21 19:30:38 +02:00
AC_ARG_ENABLE(tool-name-check,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--disable-tool-name-check, [check for sanely named toolchain when cross-compiling]))
2013-10-21 19:30:38 +02:00
2014-04-28 17:11:11 +02:00
AC_ARG_ENABLE(seccomp,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--disable-seccomp, [do not attempt to use libseccomp]))
2014-04-28 17:11:11 +02:00
2014-08-28 23:38:22 +02:00
AC_ARG_ENABLE(libscrypt,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--disable-libscrypt, [do not attempt to use libscrypt]))
2014-08-28 23:38:22 +02:00
2020-01-09 18:17:49 +01:00
dnl --- Tracing Options. ---
2017-01-23 20:28:10 +01:00
2020-02-11 17:26:04 +01:00
TOR_TRACE_LIBS=
dnl LTTng instrumentation option.
AC_ARG_ENABLE(tracing-instrumentation-lttng,
AS_HELP_STRING([--enable-tracing-instrumentation-lttng],
[build with LTTng-UST instrumentation]))
AM_CONDITIONAL([USE_TRACING_INSTRUMENTATION_LTTNG],
[test "x$enable_tracing_instrumentation_lttng" = "xyes"])
if test "x$enable_tracing_instrumentation_lttng" = "xyes"; then
AC_CHECK_HEADERS([lttng/tracepoint.h], [],
[AC_MSG_ERROR([LTTng instrumentation headers not found.
On Debian, apt install liblttng-ust-dev"])], [])
AC_DEFINE([USE_TRACING_INSTRUMENTATION_LTTNG], [1], [Using LTTng instrumentation])
TOR_TRACE_LIBS="-llttng-ust -ldl"
2020-03-11 17:12:28 +01:00
have_tracing=1
2020-02-11 17:26:04 +01:00
fi
2020-01-14 20:58:09 +01:00
dnl USDT instrumentation option.
AC_ARG_ENABLE(tracing-instrumentation-usdt,
AS_HELP_STRING([--enable-tracing-instrumentation-usdt],
[build with tracing USDT instrumentation]))
AM_CONDITIONAL([USE_TRACING_INSTRUMENTATION_USDT],
[test "x$enable_tracing_instrumentation_usdt" = "xyes"])
if test "x$enable_tracing_instrumentation_usdt" = "xyes"; then
AC_CHECK_HEADERS([sys/sdt.h], [],
[AC_MSG_ERROR([USDT instrumentation requires sys/sdt.h header.
On Debian, apt install systemtap-sdt-dev])], [])
2020-11-03 14:59:29 +01:00
AC_MSG_CHECKING([STAP_PROBEV()])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#define SDT_USE_VARIADIC
#include <sys/sdt.h>
void test(void)
{
STAP_PROBEV(p, n, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12);
}
]])], [
AC_MSG_RESULT([yes])
dnl LTTng generates USDT probes if the UST library was built with
dnl --with-sdt. There is unfortunately no way to check that so we always
dnl build the USDT probes even though LTTng instrumentation was requested.
AC_DEFINE([USE_TRACING_INSTRUMENTATION_USDT], [1], [Using USDT instrumentation])
have_tracing=1
], [
AC_MSG_RESULT([no])
AC_MSG_ERROR([USDT tracing support requires STAP_PROBEV()])
])
2020-01-14 20:58:09 +01:00
fi
2020-01-09 18:17:49 +01:00
dnl Tracepoints event to debug logs.
AC_ARG_ENABLE(tracing-instrumentation-log-debug,
AS_HELP_STRING([--enable-tracing-instrumentation-log-debug],
[build with tracing event to debug log]),
AC_DEFINE([USE_TRACING_INSTRUMENTATION_LOG_DEBUG], [1],
[Tracepoints to log debug]), [])
AM_CONDITIONAL([USE_TRACING_INSTRUMENTATION_LOG_DEBUG],
[test "x$enable_tracing_instrumentation_log_debug" = "xyes"])
2020-03-11 17:12:28 +01:00
if test "x$enable_tracing_instrumentation_log_debug" = "xyes"; then
have_tracing=1
fi
2020-01-09 18:17:49 +01:00
2020-01-14 20:58:09 +01:00
dnl Define that tracing is supported if any instrumentation is used.
2020-01-09 18:17:49 +01:00
AM_COND_IF([USE_TRACING_INSTRUMENTATION_LOG_DEBUG],
AC_DEFINE([HAVE_TRACING], [1], [Compiled with tracing support]))
2020-01-14 20:58:09 +01:00
AM_COND_IF([USE_TRACING_INSTRUMENTATION_USDT],
AC_DEFINE([HAVE_TRACING], [1], [Compiled with tracing support]))
2020-02-11 17:26:04 +01:00
AM_COND_IF([USE_TRACING_INSTRUMENTATION_LTTNG],
AC_DEFINE([HAVE_TRACING], [1], [Compiled with tracing support]))
2020-03-11 17:12:28 +01:00
AM_CONDITIONAL([USE_TRACING], [test "x$have_tracing" = x1 ])
2020-02-11 17:26:04 +01:00
dnl Finally, define the trace libs.
AC_SUBST([TOR_TRACE_LIBS])
2020-01-09 18:17:49 +01:00
dnl -- End Tracing Options. --
2017-01-23 20:28:10 +01:00
2017-12-11 14:12:25 +01:00
dnl Enable Android only features.
AC_ARG_ENABLE(android,
AS_HELP_STRING(--enable-android, [build with Android features enabled]))
AM_CONDITIONAL([USE_ANDROID], [test "x$enable_android" = "xyes"])
if test "x$enable_android" = "xyes"; then
AC_DEFINE([USE_ANDROID], [1], [Compile with Android specific features enabled])
fi
2018-04-03 21:06:34 +02:00
dnl ---
dnl Tor modules options. These options are namespaced with --disable-module-XXX
dnl ---
2018-04-27 17:33:22 +02:00
dnl All our modules.
2020-01-09 03:03:20 +01:00
m4_define(MODULES, relay dirauth dircache)
2019-10-17 08:07:52 +02:00
2021-01-14 15:25:46 +01:00
# Some modules are only disabled through another option. For those, we don't
# want to print the help in the summary at the end of the configure. Any entry
# in the following set will not print the "--disable-module-NAME" command in
# the summary.
m4_set_add_all([MODULES_WITH_NO_OPTIONS], [dircache])
2019-10-17 08:07:52 +02:00
dnl Relay module.
AC_ARG_ENABLE([module-relay],
AS_HELP_STRING([--disable-module-relay],
2019-10-17 08:10:45 +02:00
[Build tor without the Relay modules: tor can not run as a relay, bridge, or authority. Implies --disable-module-dirauth]))
2019-10-17 08:07:52 +02:00
AM_CONDITIONAL(BUILD_MODULE_RELAY, [test "x$enable_module_relay" != "xno"])
AM_COND_IF(BUILD_MODULE_RELAY,
AC_DEFINE([HAVE_MODULE_RELAY], [1],
[Compile with Relay feature support]))
2018-04-27 17:33:22 +02:00
2020-01-09 03:03:20 +01:00
dnl Dircache module. (This cannot be enabled or disabled independently of
2020-01-15 18:46:10 +01:00
dnl the relay module. It is not listed by --list-modules for this reason.)
2020-01-09 03:03:20 +01:00
AM_CONDITIONAL(BUILD_MODULE_DIRCACHE,
[test "x$enable_module_relay" != "xno"])
AM_COND_IF(BUILD_MODULE_DIRCACHE,
AC_DEFINE([HAVE_MODULE_DIRCACHE], [1],
[Compile with directory cache support]))
2018-04-03 21:06:34 +02:00
dnl Directory Authority module.
AC_ARG_ENABLE([module-dirauth],
AS_HELP_STRING([--disable-module-dirauth],
2019-10-17 08:04:39 +02:00
[Build tor without the Directory Authority module: tor can not run as a directory authority or bridge authority]))
2019-10-17 08:10:45 +02:00
AM_CONDITIONAL(BUILD_MODULE_DIRAUTH,[test "x$enable_module_dirauth" != "xno" && test "x$enable_module_relay" != "xno"])
2019-10-17 08:04:39 +02:00
AM_COND_IF(BUILD_MODULE_DIRAUTH,
AC_DEFINE([HAVE_MODULE_DIRAUTH], [1],
[Compile with Directory Authority feature support]))
2018-04-03 21:06:34 +02:00
2018-04-27 17:33:22 +02:00
dnl Helper variables.
TOR_MODULES_ALL_ENABLED=
AC_DEFUN([ADD_MODULE], [
MODULE=m4_toupper($1)
TOR_MODULES_ALL_ENABLED="${TOR_MODULES_ALL_ENABLED} -DHAVE_MODULE_${MODULE}=1"
])
m4_foreach_w([module], MODULES, [ADD_MODULE([module])])
AC_SUBST(TOR_MODULES_ALL_ENABLED)
2016-12-23 16:44:34 +01:00
dnl check for the correct "ar" when cross-compiling.
dnl (AM_PROG_AR was new in automake 1.11.2, which we do not yet require,
dnl so kludge up a replacement for the case where it isn't there yet.)
m4_ifdef([AM_PROG_AR],
[AM_PROG_AR],
[AN_MAKEVAR([AR], [AC_PROG_AR])
AN_PROGRAM([ar], [AC_PROG_AR])
AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL([AR], [ar], [:])])
AC_PROG_AR])
2011-09-02 17:51:49 +02:00
2013-10-21 19:30:38 +02:00
dnl Check whether the above macro has settled for a simply named tool even
dnl though we're cross compiling. We must do this before running AC_PROG_CC,
dnl because that will find any cc on the system, not only the cross-compiler,
dnl and then verify that a binary built with this compiler runs on the
dnl build system. It will then come to the false conclusion that we're not
dnl cross-compiling.
2016-02-04 02:28:38 +01:00
if test "x$enable_tool_name_check" != "xno"; then
if test "x$ac_tool_warned" = "xyes"; then
2013-10-21 19:30:38 +02:00
AC_MSG_ERROR([We are cross compiling but could not find a properly named toolchain. Do you have your cross-compiling toolchain in PATH? (You can --disable-tool-name-check to ignore this.)])
2016-02-04 02:28:38 +01:00
elif test "x$ac_ct_AR" != "x" -a "x$cross_compiling" = "xmaybe"; then
2013-10-21 19:30:38 +02:00
AC_MSG_ERROR([We think we are cross compiling but could not find a properly named toolchain. Do you have your cross-compiling toolchain in PATH? (You can --disable-tool-name-check to ignore this.)])
fi
fi
2002-06-29 01:26:42 +02:00
AC_PROG_CC
2007-12-12 00:06:48 +01:00
AC_PROG_CPP
2002-06-29 01:26:42 +02:00
AC_PROG_MAKE_SET
AC_PROG_RANLIB
2016-12-15 16:33:19 +01:00
AC_PROG_SED
2009-08-21 05:02:57 +02:00
2020-11-17 10:43:00 +01:00
AX_COMPILER_VERSION
AX_COMPILER_VENDOR
AC_DEFINE_UNQUOTED([COMPILER_VERSION],["$ax_cv_c_compiler_version"], [Compiler version])
AC_DEFINE_UNQUOTED([COMPILER_VENDOR],["$ax_cv_c_compiler_vendor"], [Compiler vendor])
AS_CASE($ax_cv_c_compiler_vendor,
[gnu], AC_DEFINE([COMPILER],["GCC"],[Compiler name]),
AC_DEFINE([COMPILER],[],[Compiler name])
)
2016-12-15 13:02:42 +01:00
AC_ARG_VAR([PERL], [path to Perl binary])
AC_CHECK_PROGS([PERL], [perl])
AM_CONDITIONAL(USE_PERL, [test "x$ac_cv_prog_PERL" != "x"])
2015-03-11 10:47:13 +01:00
2010-01-18 22:15:38 +01:00
dnl check for asciidoc and a2x
AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
2014-02-18 02:15:59 +01:00
AC_PATH_PROGS([A2X], [a2x a2x.py], none)
2010-03-01 03:17:48 +01:00
2016-02-04 02:28:38 +01:00
AM_CONDITIONAL(USE_ASCIIDOC, test "x$asciidoc" = "xtrue")
2019-06-16 19:18:30 +02:00
AM_CONDITIONAL(BUILD_MANPAGE, [test "x$enable_manpage" != "xno"])
AM_CONDITIONAL(BUILD_HTML_DOCS, [test "x$enable_html_manual" != "xno"])
2010-01-18 22:15:38 +01:00
2010-09-24 21:52:07 +02:00
AM_PROG_CC_C_O
2014-09-25 17:36:28 +02:00
AC_PROG_CC_C99
2010-04-17 02:45:12 +02:00
2019-11-25 19:01:04 +01:00
AC_CACHE_CHECK([for Python 3], [tor_cv_PYTHON],
[AC_PATH_PROGS_FEATURE_CHECK([PYTHON], [ \
2018-06-21 15:28:50 +02:00
python3 \
python3.8 python3.7 python3.6 python3.5 python3.4 \
2019-11-25 19:01:04 +01:00
python ],
[["$ac_path_PYTHON" -c 'import sys; sys.exit(sys.version_info[0]<3)' && tor_cv_PYTHON="$ac_path_PYTHON" ac_path_PYTHON_found=:]] )])
AC_SUBST([PYTHON], [$tor_cv_PYTHON])
PYTHON="$tor_cv_PYTHON"
2013-10-11 19:05:58 +02:00
if test "x$PYTHON" = "x"; then
2020-09-23 16:11:36 +02:00
tor_incr_n_warnings
2019-11-25 19:01:04 +01:00
AC_MSG_WARN([Python 3 unavailable; some tests will not be run.])
2013-10-11 19:05:58 +02:00
fi
2019-11-25 19:01:04 +01:00
2013-10-11 19:05:58 +02:00
AM_CONDITIONAL(USEPYTHON, [test "x$PYTHON" != "x"])
2017-05-02 04:21:42 +02:00
dnl List all external rust crates we depend on here. Include the version
2018-04-21 03:01:04 +02:00
rust_crates=" \
digest-0.7.2 \
libc-0.2.39 \
"
2017-05-02 04:21:42 +02:00
AC_SUBST(rust_crates)
2017-04-29 08:51:51 +02:00
2011-01-06 21:59:05 +01:00
ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [
AC_C_FLEXIBLE_ARRAY_MEMBER
], [
dnl Maybe we've got an old autoconf...
AC_CACHE_CHECK([for flexible array members],
tor_cv_c_flexarray,
[AC_COMPILE_IFELSE(
AC_LANG_PROGRAM([
struct abc { int a; char b[]; };
], [
struct abc *def = malloc(sizeof(struct abc)+sizeof(char));
def->b[0] = 33;
]),
[tor_cv_c_flexarray=yes],
[tor_cv_c_flexarray=no])])
2016-02-04 02:28:38 +01:00
if test "$tor_cv_flexarray" = "yes"; then
2011-09-14 01:51:37 +02:00
AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [], [Define to nothing if C supports flexible array members, and to 1 if it does not.])
2011-01-06 21:59:05 +01:00
else
2011-09-14 01:51:37 +02:00
AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [1], [Define to nothing if C supports flexible array members, and to 1 if it does not.])
2011-01-06 21:59:05 +01:00
fi
])
2014-09-25 17:20:04 +02:00
AC_CACHE_CHECK([for working C99 mid-block declaration syntax],
tor_cv_c_c99_decl,
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [int x; x = 3; int y; y = 4 + x;])],
[tor_cv_c_c99_decl=yes],
[tor_cv_c_c99_decl=no] )])
if test "$tor_cv_c_c99_decl" != "yes"; then
AC_MSG_ERROR([Your compiler doesn't support c99 mid-block declarations. This is required as of Tor 0.2.6.x])
fi
AC_CACHE_CHECK([for working C99 designated initializers],
tor_cv_c_c99_designated_init,
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([struct s { int a; int b; };],
[[ struct s ss = { .b = 5, .a = 6 }; ]])],
[tor_cv_c_c99_designated_init=yes],
[tor_cv_c_c99_designated_init=no] )])
if test "$tor_cv_c_c99_designated_init" != "yes"; then
AC_MSG_ERROR([Your compiler doesn't support c99 designated initializers. This is required as of Tor 0.2.6.x])
fi
2020-05-06 16:24:21 +02:00
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
AC_CACHE_CHECK([for __attribute__((fallthrough))],
tor_cv_c_attr_fallthrough,
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([extern int x; void fn(void) ;],
[[ switch (x) { case 1: fn(); __attribute__((fallthrough));
case 2: fn(); break; } ]])],
[tor_cv_c_attr_fallthrough=yes],
[tor_cv_c_attr_fallthrough=no] )])
CFLAGS="$saved_CFLAGS"
2020-05-15 15:58:49 +02:00
if test "$tor_cv_c_attr_fallthrough" = "yes"; then
2020-05-06 16:24:21 +02:00
AC_DEFINE(HAVE_ATTR_FALLTHROUGH, [1], [defined if we have the fallthrough attribute.])
fi
2005-12-24 05:03:39 +01:00
TORUSER=_tor
AC_ARG_WITH(tor-user,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--with-tor-user=NAME, [specify username for tor daemon]),
2005-12-24 05:03:39 +01:00
[
TORUSER=$withval
]
)
AC_SUBST(TORUSER)
TORGROUP=_tor
AC_ARG_WITH(tor-group,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--with-tor-group=NAME, [specify group name for tor daemon]),
2005-12-24 05:03:39 +01:00
[
TORGROUP=$withval
]
)
AC_SUBST(TORGROUP)
2006-10-07 17:40:33 +02:00
2012-01-31 18:05:03 +01:00
dnl If _WIN32 is defined and non-zero, we are building for win32
2006-10-07 17:40:33 +02:00
AC_MSG_CHECKING([for win32])
2010-10-11 11:55:30 +02:00
AC_RUN_IFELSE([AC_LANG_SOURCE([
2006-10-19 17:02:06 +02:00
int main(int c, char **v) {
2012-01-31 18:05:03 +01:00
#ifdef _WIN32
#if _WIN32
2006-10-07 17:40:33 +02:00
return 0;
#else
return 1;
#endif
#else
return 2;
#endif
2010-10-11 11:55:30 +02:00
}])],
2006-10-07 17:40:33 +02:00
bwin32=true; AC_MSG_RESULT([yes]),
2006-10-19 17:02:06 +02:00
bwin32=false; AC_MSG_RESULT([no]),
bwin32=cross; AC_MSG_RESULT([cross])
2006-10-07 17:40:33 +02:00
)
2016-02-04 02:28:38 +01:00
if test "$bwin32" = "cross"; then
2006-10-19 17:02:06 +02:00
AC_MSG_CHECKING([for win32 (cross)])
2010-10-11 11:55:30 +02:00
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2012-01-31 18:05:03 +01:00
#ifdef _WIN32
2006-10-19 17:02:06 +02:00
int main(int c, char **v) {return 0;}
#else
#error
int main(int c, char **v) {return x(y);}
#endif
2010-10-11 11:55:30 +02:00
])],
2006-10-19 17:02:06 +02:00
bwin32=true; AC_MSG_RESULT([yes]),
bwin32=false; AC_MSG_RESULT([no]))
fi
2015-07-09 20:58:16 +02:00
AH_BOTTOM([
#ifdef _WIN32
2020-10-31 19:33:33 +01:00
/* Defined to access windows functions and definitions for >=WinVista */
2015-07-09 20:58:16 +02:00
# ifndef WINVER
2020-10-31 19:33:33 +01:00
# define WINVER 0x0600
2015-07-09 20:58:16 +02:00
# endif
2020-10-31 19:33:33 +01:00
/* Defined to access _other_ windows functions and definitions for >=WinVista */
2015-07-09 20:58:16 +02:00
# ifndef _WIN32_WINNT
2020-10-31 19:33:33 +01:00
# define _WIN32_WINNT 0x0600
2015-07-09 20:58:16 +02:00
# endif
/* Defined to avoid including some windows headers as part of Windows.h */
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN 1
# endif
#endif
])
2018-06-27 18:35:48 +02:00
AM_CONDITIONAL(WIN32, test "x$bwin32" = "xtrue")
2016-02-04 02:28:38 +01:00
AM_CONDITIONAL(BUILD_NT_SERVICES, test "x$bwin32" = "xtrue")
2017-10-19 01:34:19 +02:00
AM_CONDITIONAL(BUILD_LIBTORRUNNER, test "x$bwin32" != "xtrue")
2006-10-07 17:40:33 +02:00
2006-11-15 22:17:48 +01:00
dnl Enable C99 when compiling with MIPSpro
AC_MSG_CHECKING([for MIPSpro compiler])
2010-10-11 11:55:30 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [
2006-11-15 22:17:48 +01:00
#if (defined(__sgi) && defined(_COMPILER_VERSION))
#error
return x(y);
#endif
2010-10-11 19:00:43 +02:00
])],
2007-03-04 20:49:04 +01:00
bmipspro=false; AC_MSG_RESULT(no),
2010-10-11 19:00:43 +02:00
bmipspro=true; AC_MSG_RESULT(yes))
2006-11-15 22:17:48 +01:00
2016-02-04 02:28:38 +01:00
if test "$bmipspro" = "true"; then
2006-11-15 22:17:48 +01:00
CFLAGS="$CFLAGS -c99"
fi
2007-09-20 19:07:45 +02:00
AC_C_BIGENDIAN
2018-05-17 01:35:12 +02:00
AC_ARG_VAR([TOR_RUST_TARGET], [Rust target, must be specified when cross-compiling (HOST != BUILD). example: i686-pc-windows-gnu])
2017-08-10 10:08:41 +02:00
if test "x$enable_rust" = "xyes"; then
AC_ARG_VAR([RUSTC], [path to the rustc binary])
AC_CHECK_PROG([RUSTC], [rustc], [rustc],[no])
if test "x$RUSTC" = "xno"; then
AC_MSG_ERROR([rustc unavailable but rust integration requested.])
fi
AC_ARG_VAR([CARGO], [path to the cargo binary])
AC_CHECK_PROG([CARGO], [cargo], [cargo],[no])
if test "x$CARGO" = "xno"; then
AC_MSG_ERROR([cargo unavailable but rust integration requested.])
fi
AC_DEFINE([HAVE_RUST], 1, [have Rust])
2018-06-16 00:27:19 +02:00
if test "x$enable_fatal_warnings" = "xyes"; then
RUST_WARN=
else
RUST_WARN=#
fi
2017-08-10 10:08:41 +02:00
if test "x$enable_cargo_online_mode" = "xyes"; then
CARGO_ONLINE=
RUST_DL=#
else
CARGO_ONLINE=--frozen
RUST_DL=
dnl When we're not allowed to touch the network, we need crate dependencies
dnl locally available.
AC_MSG_CHECKING([rust crate dependencies])
2017-05-27 17:51:21 +02:00
AC_ARG_VAR([TOR_RUST_DEPENDENCIES], [path to directory with local crate mirror])
if test "x$TOR_RUST_DEPENDENCIES" = "x"; then
2018-03-30 14:53:58 +02:00
TOR_RUST_DEPENDENCIES="${srcdir}/src/ext/rust/crates"
2017-08-10 10:08:41 +02:00
fi
2018-03-30 14:53:58 +02:00
dnl Check whether the path exists before we try to cd into it.
2017-05-27 17:51:21 +02:00
if test ! -d "$TOR_RUST_DEPENDENCIES"; then
AC_MSG_ERROR([Rust dependency directory $TOR_RUST_DEPENDENCIES does not exist. Specify a dependency directory using the TOR_RUST_DEPENDENCIES variable or allow cargo to fetch crates using --enable-cargo-online-mode.])
2017-12-13 03:20:14 +01:00
ERRORED=1
2017-08-10 10:08:41 +02:00
fi
2018-03-30 14:53:58 +02:00
dnl Make the path absolute, since we'll be using it from within a
dnl subdirectory.
TOR_RUST_DEPENDENCIES=$(cd "$TOR_RUST_DEPENDENCIES" ; pwd)
2017-08-10 10:08:41 +02:00
for dep in $rust_crates; do
2017-05-27 17:51:21 +02:00
if test ! -d "$TOR_RUST_DEPENDENCIES"/"$dep"; then
AC_MSG_ERROR([Failure to find rust dependency $TOR_RUST_DEPENDENCIES/$dep. Specify a dependency directory using the TOR_RUST_DEPENDENCIES variable or allow cargo to fetch crates using --enable-cargo-online-mode.])
2017-12-13 03:20:14 +01:00
ERRORED=1
2017-08-10 10:08:41 +02:00
fi
done
2017-12-13 03:20:14 +01:00
if test "x$ERRORED" = "x"; then
AC_MSG_RESULT([yes])
fi
2017-08-10 10:08:41 +02:00
fi
dnl For now both MSVC and MinGW rust libraries will output static libs with
dnl the MSVC naming convention.
if test "$bwin32" = "true"; then
2018-05-17 01:35:12 +02:00
tor_rust_static_name=tor_rust.lib
2017-08-10 10:08:41 +02:00
else
2018-05-17 01:35:12 +02:00
tor_rust_static_name=libtor_rust.a
fi
AC_CANONICAL_BUILD
if test -n "$TOR_RUST_TARGET"; then
if test "$host" = "$build"; then
AC_MSG_ERROR([HOST = BUILD is invalid if TOR_RUST_TARGET is specified, see configure --help for more information.])
fi
RUST_TARGET_PROP="target = '$TOR_RUST_TARGET'"
TOR_RUST_LIB_PATH="src/rust/target/$TOR_RUST_TARGET/release/$tor_rust_static_name"
else
if test "$host" != "$build"; then
AC_MSG_ERROR([TOR_RUST_TARGET must be specified when cross-compiling with Rust enabled.])
fi
RUST_TARGET_PROP=
TOR_RUST_LIB_PATH="src/rust/target/release/$tor_rust_static_name"
2017-08-10 10:08:41 +02:00
fi
2018-05-17 01:35:12 +02:00
AC_SUBST(RUST_TARGET_PROP)
AC_SUBST(TOR_RUST_LIB_PATH)
2017-08-10 10:08:41 +02:00
AC_SUBST(CARGO_ONLINE)
2018-06-16 00:27:19 +02:00
AC_SUBST(RUST_WARN)
2017-08-10 10:08:41 +02:00
AC_SUBST(RUST_DL)
dnl Let's check the rustc version, too
AC_MSG_CHECKING([rust version])
2017-12-13 03:20:14 +01:00
RUSTC_VERSION=`$RUSTC --version`
2017-08-10 10:08:41 +02:00
RUSTC_VERSION_MAJOR=`$RUSTC --version | cut -d ' ' -f 2 | cut -d '.' -f 1`
RUSTC_VERSION_MINOR=`$RUSTC --version | cut -d ' ' -f 2 | cut -d '.' -f 2`
if test "x$RUSTC_VERSION_MAJOR" = "x" -o "x$RUSTC_VERSION_MINOR" = "x"; then
AC_MSG_ERROR([rustc version couldn't be identified])
fi
2019-08-18 21:31:09 +02:00
if test "$RUSTC_VERSION_MAJOR" -lt 2 -a "$RUSTC_VERSION_MINOR" -lt 31; then
AC_MSG_ERROR([rustc must be at least version 1.31.0])
2017-08-10 10:08:41 +02:00
fi
2017-12-13 03:20:14 +01:00
AC_MSG_RESULT([$RUSTC_VERSION])
2017-08-10 10:08:41 +02:00
fi
2011-12-17 14:30:41 +01:00
AC_SEARCH_LIBS(socket, [socket network])
2004-03-20 21:08:19 +01:00
AC_SEARCH_LIBS(gethostbyname, [nsl])
2005-11-23 21:15:39 +01:00
AC_SEARCH_LIBS(dlopen, [dl])
2006-10-06 05:27:40 +02:00
AC_SEARCH_LIBS(inet_aton, [resolv])
2015-09-25 02:59:59 +02:00
AC_SEARCH_LIBS(backtrace, [execinfo])
2012-02-13 01:54:13 +01:00
saved_LIBS="$LIBS"
AC_SEARCH_LIBS([clock_gettime], [rt])
if test "$LIBS" != "$saved_LIBS"; then
# Looks like we need -lrt for clock_gettime().
have_rt=yes
fi
2005-07-13 19:31:52 +02:00
2018-08-08 15:56:51 +02:00
if test "$bwin32" = "false"; then
AC_SEARCH_LIBS(pthread_create, [pthread])
AC_SEARCH_LIBS(pthread_detach, [pthread])
fi
2005-05-17 03:51:23 +02:00
2015-02-09 09:09:00 +01:00
AM_CONDITIONAL(THREADS_WIN32, test "$bwin32" = "true")
AM_CONDITIONAL(THREADS_PTHREADS, test "$bwin32" = "false")
2013-09-23 03:30:46 +02:00
2010-11-11 20:22:48 +01:00
AC_CHECK_FUNCS(
2018-07-11 02:15:23 +02:00
_NSGetEnviron \
2016-01-11 15:02:42 +01:00
RtlSecureZeroMemory \
SecureZeroMemory \
2018-07-11 02:15:23 +02:00
accept4 \
backtrace \
backtrace_symbols_fd \
2013-09-25 02:43:48 +02:00
eventfd \
2016-01-07 21:53:24 +01:00
explicit_bzero \
2015-12-29 15:43:01 +01:00
timingsafe_memcmp \
2018-07-11 02:15:23 +02:00
flock \
2020-02-12 03:47:15 +01:00
fsync \
2018-07-11 02:15:23 +02:00
ftime \
get_current_dir_name \
getaddrinfo \
2018-07-10 16:23:29 +02:00
getdelim \
2018-07-11 02:15:23 +02:00
getifaddrs \
2018-07-10 16:23:29 +02:00
getline \
2018-07-11 02:15:23 +02:00
getrlimit \
gettimeofday \
gmtime_r \
2017-11-16 20:06:38 +01:00
gnu_get_libc_version \
2018-07-11 02:15:23 +02:00
inet_aton \
ioctl \
issetugid \
llround \
localtime_r \
lround \
2019-02-05 22:58:56 +01:00
madvise \
2018-07-11 02:15:23 +02:00
memmem \
memset_s \
2019-02-05 22:58:56 +01:00
minherit \
2018-07-11 02:15:23 +02:00
mmap \
2013-09-25 02:43:48 +02:00
pipe \
pipe2 \
2018-07-11 02:15:23 +02:00
prctl \
2015-03-01 15:35:36 +01:00
readpassphrase \
2018-07-11 02:15:23 +02:00
rint \
sigaction \
socketpair \
2015-08-05 20:01:49 +02:00
statvfs \
2018-07-11 02:15:23 +02:00
strncasecmp \
strcasecmp \
strlcat \
strlcpy \
2014-10-13 20:59:17 +02:00
strnlen \
2018-07-11 02:15:23 +02:00
strptime \
strtok_r \
strtoull \
sysconf \
2014-04-03 17:46:01 +02:00
sysctl \
2016-05-16 15:25:19 +02:00
truncate \
2018-07-11 02:15:23 +02:00
uname \
2013-09-28 05:15:53 +02:00
usleep \
2018-07-11 02:15:23 +02:00
vasprintf \
2012-11-02 18:48:29 +01:00
_vscprintf
2010-11-11 20:22:48 +01:00
)
2008-03-13 19:11:33 +01:00
2018-07-20 04:26:33 +02:00
# Apple messed up when they added some functions: they
2016-11-23 01:24:13 +01:00
# forgot to decorate them with appropriate AVAILABLE_MAC_OS_VERSION
2018-07-20 04:26:33 +02:00
# checks.
# We should only probe for these functions if we are sure that we
# are not targeting OS X 10.9 or earlier.
AC_MSG_CHECKING([for a pre-Yosemite OS X build target])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef __APPLE__
# include <AvailabilityMacros.h>
# ifndef MAC_OS_X_VERSION_10_10
# define MAC_OS_X_VERSION_10_10 101000
# endif
# if defined(MAC_OS_X_VERSION_MIN_REQUIRED)
# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_10
# error "Running on Mac OS X 10.9 or earlier"
# endif
# endif
#endif
]], [[]])],
[on_macos_pre_10_10=no ; AC_MSG_RESULT([no])],
[on_macos_pre_10_10=yes; AC_MSG_RESULT([yes])])
if test "$on_macos_pre_10_10" = "no"; then
AC_CHECK_FUNCS(
mach_approximate_time \
)
fi
# We should only probe for these functions if we are sure that we
2018-01-24 09:55:15 +01:00
# are not targeting OSX 10.11 or earlier.
2016-11-23 01:24:13 +01:00
AC_MSG_CHECKING([for a pre-Sierra OSX build target])
2016-03-28 21:59:35 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2016-11-23 01:24:13 +01:00
#ifdef __APPLE__
# include <AvailabilityMacros.h>
2016-12-12 04:17:14 +01:00
# ifndef MAC_OS_X_VERSION_10_12
# define MAC_OS_X_VERSION_10_12 101200
2016-11-23 01:24:13 +01:00
# endif
# if defined(MAC_OS_X_VERSION_MIN_REQUIRED)
2016-12-12 04:17:14 +01:00
# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12
2016-11-23 01:24:13 +01:00
# error "Running on Mac OSX 10.11 or earlier"
# endif
# endif
#endif
2016-03-28 21:59:35 +02:00
]], [[]])],
2016-11-23 01:24:13 +01:00
[on_macos_pre_10_12=no ; AC_MSG_RESULT([no])],
[on_macos_pre_10_12=yes; AC_MSG_RESULT([yes])])
if test "$on_macos_pre_10_12" = "no"; then
AC_CHECK_FUNCS(
clock_gettime \
getentropy \
)
fi
2016-02-04 02:28:38 +01:00
if test "$bwin32" != "true"; then
2006-10-25 04:51:45 +02:00
AC_CHECK_HEADERS(pthread.h)
AC_CHECK_FUNCS(pthread_create)
2015-12-16 15:23:44 +01:00
AC_CHECK_FUNCS(pthread_condattr_setclock)
2006-10-25 04:51:45 +02:00
fi
2016-02-04 02:28:38 +01:00
if test "$bwin32" = "true"; then
2015-07-12 20:34:11 +02:00
AC_CHECK_DECLS([SecureZeroMemory, _getwch], , , [
#include <windows.h>
#include <conio.h>
#include <wchar.h>
])
fi
2016-02-04 02:28:38 +01:00
AM_CONDITIONAL(BUILD_READPASSPHRASE_C,
test "x$ac_cv_func_readpassphrase" = "xno" && test "$bwin32" = "false")
2015-06-17 16:41:22 +02:00
2020-09-10 00:08:54 +02:00
AC_CHECK_FUNCS(glob)
2018-01-25 23:04:12 +01:00
AC_MSG_CHECKING([whether free(NULL) works])
AC_RUN_IFELSE([AC_LANG_PROGRAM([
#include <stdlib.h>
], [
char *p = NULL;
free(p);
])],
[free_null_ok=true; AC_MSG_RESULT(yes)],
[free_null_ok=false; AC_MSG_RESULT(no)],
[free_null_ok=cross; AC_MSG_RESULT(cross)])
if test "$free_null_ok" = "false"; then
AC_MSG_ERROR([Your libc implementation doesn't allow free(NULL), as required by C99.])
fi
2005-05-17 03:51:23 +02:00
dnl ------------------------------------------------------
2005-05-23 08:24:00 +02:00
dnl Where do you live, libevent? And how do we call you?
2005-05-17 03:51:23 +02:00
2016-02-04 02:28:38 +01:00
if test "$bwin32" = "true"; then
2007-05-01 04:53:32 +02:00
TOR_LIB_WS32=-lws2_32
2011-08-22 18:38:22 +02:00
TOR_LIB_IPHLPAPI=-liphlpapi
2020-06-03 23:09:42 +02:00
TOR_LIB_SHLWAPI=-lshlwapi
2007-05-01 04:53:32 +02:00
# Some of the cargo-cults recommend -lwsock32 as well, but I don't
# think it's actually necessary.
2007-05-01 03:36:32 +02:00
TOR_LIB_GDI=-lgdi32
2017-08-10 10:08:41 +02:00
TOR_LIB_USERENV=-luserenv
2020-09-14 19:01:43 +02:00
TOR_LIB_BCRYPT=-lbcrypt
TOR_LIB_CRYPT32=-lcrypt32
2007-03-04 20:49:02 +01:00
else
2007-05-01 03:36:32 +02:00
TOR_LIB_WS32=
TOR_LIB_GDI=
2017-08-10 10:08:41 +02:00
TOR_LIB_USERENV=
2007-03-04 20:49:02 +01:00
fi
2007-05-01 03:36:32 +02:00
AC_SUBST(TOR_LIB_WS32)
AC_SUBST(TOR_LIB_GDI)
2011-08-22 18:38:22 +02:00
AC_SUBST(TOR_LIB_IPHLPAPI)
2020-09-14 19:01:43 +02:00
AC_SUBST(TOR_LIB_BCRYPT)
AC_SUBST(TOR_LIB_CRYPT32)
2020-06-03 23:09:42 +02:00
AC_SUBST(TOR_LIB_SHLWAPI)
2017-08-10 10:08:41 +02:00
AC_SUBST(TOR_LIB_USERENV)
2007-03-04 20:49:02 +01:00
2007-04-11 18:28:44 +02:00
tor_libevent_pkg_redhat="libevent"
2007-05-27 17:20:38 +02:00
tor_libevent_pkg_debian="libevent-dev"
2007-04-11 18:28:44 +02:00
tor_libevent_devpkg_redhat="libevent-devel"
tor_libevent_devpkg_debian="libevent-dev"
2011-03-17 02:35:31 +01:00
dnl On Gnu/Linux or any place we require it, we'll add librt to the Libevent
dnl linking for static builds.
STATIC_LIBEVENT_FLAGS=""
if test "$enable_static_libevent" = "yes"; then
2016-02-04 02:28:38 +01:00
if test "$have_rt" = "yes"; then
2011-03-17 02:35:31 +01:00
STATIC_LIBEVENT_FLAGS=" -lrt "
fi
fi
2020-09-14 19:01:43 +02:00
TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_IPHLPAPI $TOR_LIB_BCRYPT $TOR_LIB_WS32], [
2012-01-31 18:05:03 +01:00
#ifdef _WIN32
2008-05-16 21:44:57 +02:00
#include <winsock2.h>
#endif
2007-03-04 20:47:34 +01:00
#include <sys/time.h>
2006-03-19 21:36:26 +01:00
#include <sys/types.h>
2016-07-03 19:42:36 +02:00
#include <event2/event.h>], [
2012-01-31 18:05:03 +01:00
#ifdef _WIN32
2008-05-16 22:13:10 +02:00
#include <winsock2.h>
#endif
2016-12-23 14:18:31 +01:00
struct event_base;
2018-03-13 13:37:26 +01:00
struct event_base *event_base_new(void);
void event_base_free(struct event_base *);],
2008-05-16 21:44:57 +02:00
[
2012-01-31 18:05:03 +01:00
#ifdef _WIN32
2008-05-16 22:13:10 +02:00
{WSADATA d; WSAStartup(0x101,&d); }
2008-05-16 21:44:57 +02:00
#endif
2017-10-29 14:14:58 +01:00
event_base_free(event_base_new());
2008-05-16 21:44:57 +02:00
], [--with-libevent-dir], [/opt/libevent])
2005-05-17 03:51:23 +02:00
2016-10-06 15:16:21 +02:00
dnl Determine the incantation needed to link libevent.
2007-05-01 00:42:47 +02:00
save_LIBS="$LIBS"
save_LDFLAGS="$LDFLAGS"
2007-05-26 01:59:47 +02:00
save_CPPFLAGS="$CPPFLAGS"
2016-10-06 15:16:21 +02:00
LIBS="$STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $save_LIBS"
2008-09-08 03:57:02 +02:00
LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
2007-05-26 01:59:47 +02:00
CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
2009-06-04 07:05:23 +02:00
2016-09-08 16:08:29 +02:00
AC_CHECK_HEADERS(event2/event.h event2/dns.h event2/bufferevent_ssl.h)
2010-01-24 20:34:47 +01:00
if test "$enable_static_libevent" = "yes"; then
if test "$tor_cv_library_libevent_dir" = "(system)"; then
AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
else
2020-12-11 15:52:23 +01:00
TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a $STATIC_LIBEVENT_FLAGS"
2010-01-24 20:34:47 +01:00
fi
else
2015-11-26 13:18:40 +01:00
if test "x$ac_cv_header_event2_event_h" = "xyes"; then
2015-12-09 14:59:01 +01:00
AC_SEARCH_LIBS(event_new, [event event_core], , AC_MSG_ERROR("libevent2 is installed but linking it failed while searching for event_new"))
AC_SEARCH_LIBS(evdns_base_new, [event event_extra], , AC_MSG_ERROR("libevent2 is installed but linking it failed while searching for evdns_base_new"))
2015-11-25 15:43:12 +01:00
2015-11-26 13:18:40 +01:00
if test "$ac_cv_search_event_new" != "none required"; then
2015-11-25 15:43:12 +01:00
TOR_LIBEVENT_LIBS="$ac_cv_search_event_new"
fi
2015-11-26 13:18:40 +01:00
if test "$ac_cv_search_evdns_base_new" != "none required"; then
2015-11-25 15:43:12 +01:00
TOR_LIBEVENT_LIBS="$ac_cv_search_evdns_base_new $TOR_LIBEVENT_LIBS"
fi
else
2016-09-08 16:08:29 +02:00
AC_MSG_ERROR("libevent2 is required but the headers could not be found")
2015-11-25 15:43:12 +01:00
fi
2010-01-24 20:34:47 +01:00
fi
2016-10-06 15:16:21 +02:00
dnl Now check for particular libevent functions.
AC_CHECK_FUNCS([evutil_secure_rng_set_urandom_device_file \
evutil_secure_rng_add_bytes \
2018-10-20 19:18:54 +02:00
evdns_base_get_nameserver_addr \
2016-10-06 15:16:21 +02:00
])
2015-11-25 15:43:12 +01:00
LIBS="$save_LIBS"
LDFLAGS="$save_LDFLAGS"
CPPFLAGS="$save_CPPFLAGS"
2016-07-03 19:42:36 +02:00
dnl Check that libevent is at least at version 2.0.10, the first stable
dnl release of its series
CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent"
AC_MSG_CHECKING([whether Libevent is new enough])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2010-09-27 19:24:19 +02:00
#include <event2/event.h>
2016-07-03 19:42:36 +02:00
#if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 0x02000a00
2010-09-27 19:24:19 +02:00
#error
int x = y(zz);
#else
int x = 1;
#endif
2016-07-03 19:42:36 +02:00
])], [ AC_MSG_RESULT([yes]) ],
[ AC_MSG_RESULT([no])
AC_MSG_ERROR([Libevent is not new enough. We require 2.0.10-stable or later]) ] )
LIBS="$save_LIBS"
LDFLAGS="$save_LDFLAGS"
CPPFLAGS="$save_CPPFLAGS"
2011-05-06 15:34:00 +02:00
AC_SUBST(TOR_LIBEVENT_LIBS)
2009-07-31 17:11:45 +02:00
2011-12-17 14:30:41 +01:00
dnl ------------------------------------------------------
dnl Where do you live, libm?
dnl On some platforms (Haiku/BeOS) the math library is
dnl part of libroot. In which case don't link against lm
TOR_LIB_MATH=""
save_LIBS="$LIBS"
2011-12-19 17:26:50 +01:00
AC_SEARCH_LIBS(pow, [m], , AC_MSG_ERROR([Could not find pow in libm or libc.]))
if test "$ac_cv_search_pow" != "none required"; then
TOR_LIB_MATH="$ac_cv_search_pow"
2011-12-17 14:30:41 +01:00
fi
LIBS="$save_LIBS"
AC_SUBST(TOR_LIB_MATH)
2018-07-11 18:57:30 +02:00
dnl ------------------------------------------------------
dnl Hello, NSS. You're new around here.
if test "x$enable_nss" = "xyes"; then
PKG_CHECK_MODULES(NSS,
[nss],
[have_nss=yes],
2019-10-03 08:53:12 +02:00
[have_nss=no; AC_MSG_ERROR([You asked for NSS but I can't find it, $pkg_config_user_action, or set NSS_CFLAGS and NSS_LIBS.])])
2018-07-11 18:57:30 +02:00
AC_SUBST(NSS_CFLAGS)
AC_SUBST(NSS_LIBS)
fi
2005-05-17 03:51:23 +02:00
dnl ------------------------------------------------------
2006-01-27 20:38:16 +01:00
dnl Where do you live, openssl? And how do we call you?
2004-03-20 21:00:58 +01:00
2018-08-12 23:18:41 +02:00
if test "x$enable_nss" != "xyes"; then
2007-04-11 18:28:44 +02:00
tor_openssl_pkg_redhat="openssl"
2013-09-02 20:54:50 +02:00
tor_openssl_pkg_debian="libssl-dev"
2007-04-11 18:28:44 +02:00
tor_openssl_devpkg_redhat="openssl-devel"
tor_openssl_devpkg_debian="libssl-dev"
2008-08-22 18:55:28 +02:00
ALT_openssl_WITHVAL=""
AC_ARG_WITH(ssl-dir,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--with-ssl-dir=PATH, [obsolete alias for --with-openssl-dir]),
2008-08-22 18:55:28 +02:00
[
2016-02-04 02:28:38 +01:00
if test "x$withval" != "xno" && test "x$withval" != "x"; then
2008-08-22 18:55:28 +02:00
ALT_openssl_WITHVAL="$withval"
fi
])
2017-09-20 21:54:36 +02:00
AC_MSG_NOTICE([Now, we'll look for OpenSSL >= 1.0.1])
2020-09-14 19:01:43 +02:00
TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI $TOR_LIB_WS32 $TOR_LIB_CRYPT32],
2018-03-05 21:34:04 +01:00
[#include <openssl/ssl.h>
char *getenv(const char *);],
[struct ssl_cipher_st;
unsigned SSL_CIPHER_get_id(const struct ssl_cipher_st *);
char *getenv(const char *);],
dnl This funny-looking test program calls getenv, so that the compiler
dnl will neither make code that call SSL_CIPHER_get_id(NULL) [producing
dnl a crash], nor optimize out the call to SSL_CIPHER_get_id().
dnl We look for SSL_cipher_get_id() because it is present in
dnl OpenSSL >=1.0.1, because it is not deprecated, and because Tor
dnl depends on it.
[if (getenv("THIS_SHOULDNT_BE_SET_X201803")) SSL_CIPHER_get_id((void *)0);], [],
2017-11-21 16:53:37 +01:00
[/usr/local/opt/openssl /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /opt/openssl])
2006-01-27 20:38:16 +01:00
2010-01-24 20:34:47 +01:00
if test "$enable_static_openssl" = "yes"; then
if test "$tor_cv_library_openssl_dir" = "(system)"; then
AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
else
2020-09-14 19:01:43 +02:00
TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a $TOR_LIB_WS32 $TOR_LIB_CRYPT32 $TOR_LIB_BCRYPT"
2010-01-24 20:34:47 +01:00
fi
else
2010-02-02 22:12:45 +01:00
TOR_OPENSSL_LIBS="-lssl -lcrypto"
2010-01-24 20:34:47 +01:00
fi
AC_SUBST(TOR_OPENSSL_LIBS)
2020-09-23 15:52:43 +02:00
dnl Now validate openssl, and check for particular openssl functions.
2015-05-26 17:05:36 +02:00
save_LIBS="$LIBS"
save_LDFLAGS="$LDFLAGS"
save_CPPFLAGS="$CPPFLAGS"
LIBS="$TOR_OPENSSL_LIBS $LIBS"
LDFLAGS="$TOR_LDFLAGS_openssl $LDFLAGS"
CPPFLAGS="$TOR_CPPFLAGS_openssl $CPPFLAGS"
2015-09-01 15:02:12 +02:00
2020-10-28 15:30:24 +01:00
dnl Tor currently uses a number of APIs that are deprecated in OpenSSL 3.0.0
dnl and later. We want to migrate away from them, but that will be a lot of
dnl work. (See ticket tor#40166.) For now, we disable the deprecation
dnl warnings.
AC_MSG_CHECKING([for OpenSSL >= 3.0.0])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <openssl/opensslv.h>
#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER <= 0x30000000L
#error "you_have_version_3"
#endif
]], [[]])],
[ AC_MSG_RESULT([no]) ],
[ AC_MSG_RESULT([yes]);
AC_DEFINE(OPENSSL_SUPPRESS_DEPRECATED, 1, [disable openssl deprecated-function warnings]) ])
AC_MSG_CHECKING([for OpenSSL < 1.0.1])
2016-03-28 21:59:35 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2015-09-01 15:02:12 +02:00
#include <openssl/opensslv.h>
2016-10-06 18:58:49 +02:00
#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x1000100fL
2015-09-01 15:02:12 +02:00
#error "too old"
#endif
2016-03-28 21:59:35 +02:00
]], [[]])],
2020-10-28 15:30:24 +01:00
[ AC_MSG_RESULT([no]) ],
2016-03-28 21:59:35 +02:00
[ AC_MSG_ERROR([OpenSSL is too old. We require 1.0.1 or later. You can specify a path to a newer one with --with-openssl-dir.]) ])
2015-09-01 15:02:12 +02:00
2016-03-28 21:59:35 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2015-09-19 16:36:55 +02:00
#include <openssl/opensslv.h>
#include <openssl/evp.h>
#if defined(OPENSSL_NO_EC) || defined(OPENSSL_NO_ECDH) || defined(OPENSSL_NO_ECDSA)
#error "no ECC"
#endif
#if !defined(NID_X9_62_prime256v1) || !defined(NID_secp224r1)
#error "curves unavailable"
#endif
2016-03-28 21:59:35 +02:00
]], [[]])],
2015-09-19 16:36:55 +02:00
[ : ],
2016-03-28 21:59:35 +02:00
[ AC_MSG_ERROR([OpenSSL is built without full ECC support, including curves P256 and P224. You can specify a path to one with ECC support with --with-openssl-dir.]) ])
2015-09-19 16:36:55 +02:00
2020-09-23 15:52:43 +02:00
dnl Let's see if we have a version mismatch between includes and libs.
AC_MSG_CHECKING([for significant mismatch between openssl headers and libraries])
ac_retval=foo
2020-09-23 16:53:09 +02:00
AC_RUN_IFELSE([AC_LANG_SOURCE([AC_LANG_PROGRAM([[
2020-09-23 15:52:43 +02:00
#include <openssl/opensslv.h>
#include <openssl/crypto.h>
]], [[
/* Include major, minor, and fix, but not patch or status. */
unsigned long mask = 0xfffff000;
unsigned long linking = OpenSSL_version_num() & mask;
unsigned long running = OPENSSL_VERSION_NUMBER & mask;
return !(linking==running);
2020-09-23 16:53:09 +02:00
]])])], [openssl_ver_mismatch=no], [
2020-09-23 15:52:43 +02:00
# This is a kludge to figure out whether compilation failed, or whether
# running the program failed.
2021-02-17 18:36:23 +01:00
if test "$ac_retval" = "1"; then
2020-09-23 15:52:43 +02:00
openssl_ver_mismatch=inconclusive
else
openssl_ver_mismatch=yes
fi], [openssl_ver_mismatch=cross])
AC_MSG_RESULT([$openssl_ver_mismatch])
2014-10-03 18:15:09 +02:00
AC_CHECK_MEMBERS([struct ssl_method_st.get_cipher_by_char], , ,
[#include <openssl/ssl.h>
])
2018-12-13 19:25:30 +01:00
dnl OpenSSL functions which we might not have. In theory, we could just
dnl check the openssl version number, but in practice that gets pretty
dnl confusing with LibreSSL, OpenSSL, and various distributions' patches
dnl to them.
2015-05-26 17:05:36 +02:00
AC_CHECK_FUNCS([ \
2018-07-11 16:10:42 +02:00
ERR_load_KDF_strings \
2018-12-13 19:25:30 +01:00
EVP_PBE_scrypt \
SSL_CIPHER_find \
SSL_CTX_set1_groups_list \
SSL_CTX_set_security_level \
2015-05-26 17:05:36 +02:00
SSL_SESSION_get_master_key \
2018-12-13 19:25:30 +01:00
SSL_get_client_ciphers \
SSL_get_client_random \
2015-05-26 17:05:36 +02:00
SSL_get_server_random \
2018-12-13 19:25:30 +01:00
TLS_method \
2015-05-26 17:05:36 +02:00
])
2015-07-06 20:31:01 +02:00
2017-02-01 12:10:46 +01:00
dnl Check if OpenSSL structures are opaque
AC_CHECK_MEMBERS([SSL.state], , ,
[#include <openssl/ssl.h>
])
2018-01-24 18:33:13 +01:00
AC_CHECK_SIZEOF(SHA_CTX, , [AC_INCLUDES_DEFAULT()
#include <openssl/sha.h>
])
2018-08-12 23:18:41 +02:00
fi # enable_nss
2018-12-13 19:25:30 +01:00
dnl We will someday make KECCAK_TINY optional, but for now we still need
dnl it for SHAKE, since OpenSSL's SHAKE can't be squeezed more than
dnl once. See comment in the definition of crypto_xof_t.
dnl AM_CONDITIONAL(BUILD_KECCAK_TINY,
dnl test "x$ac_cv_func_EVP_sha3_256" != "xyes")
AM_CONDITIONAL(BUILD_KECCAK_TINY, true)
2018-08-12 23:18:41 +02:00
dnl ======================================================================
dnl Can we use KIST?
2017-08-31 15:56:55 +02:00
dnl Define the set of checks for KIST scheduler support.
AC_DEFUN([CHECK_KIST_SUPPORT],[
dnl KIST needs struct tcp_info and for certain members to exist.
AC_CHECK_MEMBERS(
[struct tcp_info.tcpi_unacked, struct tcp_info.tcpi_snd_mss],
, ,[[#include <netinet/tcp.h>]])
dnl KIST needs SIOCOUTQNSD to exist for an ioctl call.
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#include <linux/sockios.h>
#ifndef SIOCOUTQNSD
#error
#endif
])], have_siocoutqnsd=yes, have_siocoutqnsd=no)
if test "x$have_siocoutqnsd" = "xyes"; then
if test "x$ac_cv_member_struct_tcp_info_tcpi_unacked" = "xyes"; then
if test "x$ac_cv_member_struct_tcp_info_tcpi_snd_mss" = "xyes"; then
have_kist_support=yes
fi
fi
fi
])
dnl Now, trigger the check.
CHECK_KIST_SUPPORT
AS_IF([test "x$have_kist_support" = "xyes"],
[AC_DEFINE(HAVE_KIST_SUPPORT, 1, [Defined if KIST scheduler is supported
on this system])],
[AC_MSG_NOTICE([KIST scheduler can't be used. Missing support.])])
2015-05-26 17:05:36 +02:00
LIBS="$save_LIBS"
LDFLAGS="$save_LDFLAGS"
CPPFLAGS="$save_CPPFLAGS"
2007-04-11 18:28:44 +02:00
dnl ------------------------------------------------------
dnl Where do you live, zlib? And how do we call you?
2011-02-15 02:15:42 +01:00
tor_zlib_pkg_redhat="zlib"
tor_zlib_pkg_debian="zlib1g"
tor_zlib_devpkg_redhat="zlib-devel"
tor_zlib_devpkg_debian="zlib1g-dev"
2007-04-11 18:28:44 +02:00
TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
[#include <zlib.h>],
[const char * zlibVersion(void);],
2016-03-25 21:26:13 +01:00
[zlibVersion();], [--with-zlib-dir],
2007-04-11 18:28:44 +02:00
[/opt/zlib])
2010-04-14 16:48:05 +02:00
if test "$enable_static_zlib" = "yes"; then
if test "$tor_cv_library_zlib_dir" = "(system)"; then
AC_MSG_ERROR("You must specify an explicit --with-zlib-dir=x option when
using --enable-static-zlib")
else
TOR_ZLIB_LIBS="$TOR_LIBDIR_zlib/libz.a"
fi
else
TOR_ZLIB_LIBS="-lz"
fi
AC_SUBST(TOR_ZLIB_LIBS)
2017-04-18 13:56:02 +02:00
dnl ------------------------------------------------------
dnl Where we do we find lzma?
AC_ARG_ENABLE(lzma,
2017-05-01 17:15:49 +02:00
AS_HELP_STRING(--enable-lzma, [enable support for the LZMA compression scheme.]),
2017-04-18 13:56:02 +02:00
[case "${enableval}" in
2019-11-06 05:02:22 +01:00
"yes") ;;
"no") ;;
2017-04-18 13:56:02 +02:00
* ) AC_MSG_ERROR(bad value for --enable-lzma) ;;
2019-11-06 05:02:22 +01:00
esac], [enable_lzma=auto])
2017-04-18 13:56:02 +02:00
if test "x$enable_lzma" = "xno"; then
have_lzma=no;
else
PKG_CHECK_MODULES([LZMA],
[liblzma],
have_lzma=yes,
have_lzma=no)
if test "x$have_lzma" = "xno" ; then
2020-09-23 16:11:36 +02:00
tor_incr_n_warnings
2019-10-03 08:53:12 +02:00
AC_MSG_WARN([Unable to find liblzma, $pkg_config_user_action, or set LZMA_CFLAGS and LZMA_LIBS.])
2017-04-18 13:56:02 +02:00
fi
fi
if test "x$have_lzma" = "xyes"; then
AC_DEFINE(HAVE_LZMA,1,[Have LZMA])
TOR_LZMA_CFLAGS="${LZMA_CFLAGS}"
TOR_LZMA_LIBS="${LZMA_LIBS}"
fi
AC_SUBST(TOR_LZMA_CFLAGS)
AC_SUBST(TOR_LZMA_LIBS)
2017-04-18 17:54:59 +02:00
dnl ------------------------------------------------------
dnl Where we do we find zstd?
AC_ARG_ENABLE(zstd,
AS_HELP_STRING(--enable-zstd, [enable support for the Zstandard compression scheme.]),
[case "${enableval}" in
2019-11-06 05:02:22 +01:00
"yes") ;;
"no") ;;
2017-04-18 17:54:59 +02:00
* ) AC_MSG_ERROR(bad value for --enable-zstd) ;;
2019-11-06 05:02:22 +01:00
esac], [enable_zstd=auto])
2017-04-18 17:54:59 +02:00
if test "x$enable_zstd" = "xno"; then
have_zstd=no;
else
PKG_CHECK_MODULES([ZSTD],
2017-05-30 19:00:54 +02:00
[libzstd >= 1.1],
2017-04-18 17:54:59 +02:00
have_zstd=yes,
have_zstd=no)
if test "x$have_zstd" = "xno" ; then
2020-09-23 16:11:36 +02:00
tor_incr_n_warnings
2019-10-03 08:53:12 +02:00
AC_MSG_WARN([Unable to find libzstd, $pkg_config_user_action, or set ZSTD_CFLAGS and ZSTD_LIBS.])
2017-04-18 17:54:59 +02:00
fi
fi
if test "x$have_zstd" = "xyes"; then
AC_DEFINE(HAVE_ZSTD,1,[Have Zstd])
TOR_ZSTD_CFLAGS="${ZSTD_CFLAGS}"
TOR_ZSTD_LIBS="${ZSTD_LIBS}"
2018-02-18 22:19:43 +01:00
dnl now check for zstd functions
save_LIBS="$LIBS"
save_CFLAGS="$CFLAGS"
LIBS="$LIBS $ZSTD_LIBS"
CFLAGS="$CFLAGS $ZSTD_CFLAGS"
AC_CHECK_FUNCS(ZSTD_estimateCStreamSize \
ZSTD_estimateDCtxSize)
LIBS="$save_LIBS"
CFLAGS="$save_CFLAGS"
2017-04-18 17:54:59 +02:00
fi
AC_SUBST(TOR_ZSTD_CFLAGS)
AC_SUBST(TOR_ZSTD_LIBS)
2015-11-06 19:12:44 +01:00
dnl ----------------------------------------------------------------------
dnl Check if libcap is available for capabilities.
tor_cap_pkg_debian="libcap2"
tor_cap_pkg_redhat="libcap"
tor_cap_devpkg_debian="libcap-dev"
tor_cap_devpkg_redhat="libcap-devel"
AC_CHECK_LIB([cap], [cap_init], [],
AC_MSG_NOTICE([Libcap was not found. Capabilities will not be usable.])
)
AC_CHECK_FUNCS(cap_set_proc)
2012-06-11 17:00:48 +02:00
dnl ---------------------------------------------------------------------
dnl Now that we know about our major libraries, we can check for compiler
dnl and linker hardening options. We need to do this with the libraries known,
dnl since sometimes the linker will like an option but not be willing to
dnl use it with a build of a library.
2002-06-29 01:26:42 +02:00
2012-06-11 17:00:48 +02:00
all_ldflags_for_check="$TOR_LDFLAGS_zlib $TOR_LDFLAGS_openssl $TOR_LDFLAGS_libevent"
2017-08-10 10:08:41 +02:00
all_libs_for_check="$TOR_ZLIB_LIBS $TOR_LIB_MATH $TOR_LIBEVENT_LIBS $TOR_OPENSSL_LIBS $TOR_SYSTEMD_LIBS $TOR_LIB_WS32 $TOR_LIB_GDI $TOR_LIB_USERENV $TOR_CAP_LIBS"
2012-06-11 17:00:48 +02:00
2016-04-13 00:59:40 +02:00
CFLAGS_FTRAPV=
CFLAGS_FWRAPV=
CFLAGS_ASAN=
CFLAGS_UBSAN=
2016-12-19 21:17:42 +01:00
2012-06-13 22:37:23 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#if !defined(__clang__)
#error
#endif])], have_clang=yes, have_clang=no)
2018-09-12 16:10:29 +02:00
if test "x$enable_pic" = "xyes"; then
TOR_CHECK_CFLAGS(-fPIC)
fi
2016-02-04 02:28:38 +01:00
if test "x$enable_gcc_hardening" != "xno"; then
2016-05-11 18:15:37 +02:00
CFLAGS="$CFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2"
2016-02-04 02:28:38 +01:00
if test "x$have_clang" = "xyes"; then
2012-06-13 22:37:23 +02:00
TOR_CHECK_CFLAGS(-Qunused-arguments)
fi
2013-10-21 19:07:47 +02:00
TOR_CHECK_CFLAGS(-fstack-protector-all, also_link)
AS_VAR_PUSHDEF([can_compile], [tor_cv_cflags_-fstack-protector-all])
AS_VAR_PUSHDEF([can_link], [tor_can_link_-fstack-protector-all])
2014-08-13 18:01:58 +02:00
m4_ifdef([AS_VAR_IF],[
2013-10-21 19:07:47 +02:00
AS_VAR_IF(can_compile, [yes],
AS_VAR_IF(can_link, [yes],
[],
AC_MSG_ERROR([We tried to build with stack protection; it looks like your compiler supports it but your libc does not provide it. Are you missing libssp? (You can --disable-gcc-hardening to ignore this error.)]))
2014-08-13 18:01:58 +02:00
)])
2013-10-21 19:07:47 +02:00
AS_VAR_POPDEF([can_link])
AS_VAR_POPDEF([can_compile])
2012-06-11 17:00:48 +02:00
TOR_CHECK_CFLAGS(-Wstack-protector)
TOR_CHECK_CFLAGS(--param ssp-buffer-size=1)
2017-01-09 17:26:27 +01:00
if test "$bwin32" = "false" && test "$enable_libfuzzer" != "yes" && test "$enable_oss_fuzz" != "yes"; then
2018-09-12 16:10:29 +02:00
if test "$enable_pic" != "yes"; then
2018-09-13 20:53:20 +02:00
# If we have already enabled -fPIC, then we don't also need to
# compile with -fPIE...
2018-09-12 16:10:29 +02:00
TOR_CHECK_CFLAGS(-fPIE)
fi
2018-09-13 20:53:20 +02:00
# ... but we want to link our executables with -pie in any case, since
# they're executables, not a library.
2012-06-11 18:22:48 +02:00
TOR_CHECK_LDFLAGS(-pie, "$all_ldflags_for_check", "$all_libs_for_check")
fi
2016-05-16 15:37:27 +02:00
TOR_TRY_COMPILE_WITH_CFLAGS(-fwrapv, also_link, CFLAGS_FWRAPV="-fwrapv", true)
2019-05-29 22:08:33 +02:00
AC_MSG_CHECKING([whether we can run hardened binaries])
AC_RUN_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([dnl
We can link with compiler hardening options, but we can't run with them.
That's a bad sign! If you must, you can pass --disable-gcc-hardening to
configure, but it would be better to figure out what the underlying problem
is.])],
[AC_MSG_RESULT([cross])])
2012-06-11 17:00:48 +02:00
fi
2002-06-29 01:26:42 +02:00
2017-02-01 16:08:40 +01:00
if test "$fragile_hardening" = "yes"; then
2017-01-22 17:32:54 +01:00
TOR_TRY_COMPILE_WITH_CFLAGS(-ftrapv, also_link, CFLAGS_FTRAPV="-ftrapv", true)
if test "$tor_cv_cflags__ftrapv" = "yes" && test "$tor_can_link__ftrapv" != "yes"; then
2020-09-23 16:11:36 +02:00
tor_incr_n_warnings
2017-01-22 17:32:54 +01:00
AC_MSG_WARN([The compiler supports -ftrapv, but for some reason I was not able to link with -ftrapv. Are you missing run-time support? Run-time hardening will not work as well as it should.])
fi
2016-05-16 15:37:27 +02:00
if test "$tor_cv_cflags__ftrapv" != "yes"; then
2017-02-01 16:08:40 +01:00
AC_MSG_ERROR([You requested fragile hardening, but the compiler does not seem to support -ftrapv.])
2016-05-16 15:37:27 +02:00
fi
TOR_TRY_COMPILE_WITH_CFLAGS([-fsanitize=address], also_link, CFLAGS_ASAN="-fsanitize=address", true)
if test "$tor_cv_cflags__fsanitize_address" = "yes" && test "$tor_can_link__fsanitize_address" != "yes"; then
2017-12-12 02:43:53 +01:00
AC_MSG_ERROR([The compiler supports -fsanitize=address, but for some reason I was not able to link when using it. Are you missing run-time support? With GCC you need libubsan.*, and with Clang you need libclang_rt.ubsan*])
2016-05-16 15:37:27 +02:00
fi
TOR_TRY_COMPILE_WITH_CFLAGS([-fsanitize=undefined], also_link, CFLAGS_UBSAN="-fsanitize=undefined", true)
if test "$tor_cv_cflags__fsanitize_address" = "yes" && test "$tor_can_link__fsanitize_address" != "yes"; then
2017-12-12 02:43:53 +01:00
AC_MSG_ERROR([The compiler supports -fsanitize=undefined, but for some reason I was not able to link when using it. Are you missing run-time support? With GCC you need libasan.*, and with Clang you need libclang_rt.ubsan*])
2016-05-16 15:37:27 +02:00
fi
2019-02-25 14:29:41 +01:00
TOR_TRY_COMPILE_WITH_CFLAGS([-fno-sanitize=float-divide-by-zero], also_link, CFLAGS_UBSAN="-fno-sanitize=float-divide-by-zero", true)
if test "$tor_cv_cflags__fno_sanitize_float_divide_by_zero" = "yes" && test "$tor_can_link__fno_sanitize_float_divide_by_zero" != "yes"; then
AC_MSG_ERROR([The compiler supports -fno-sanitize=float-divide-by-zero, but for some reason I was not able to link when using it. Are you missing run-time support? With GCC you need libasan.*, and with Clang you need libclang_rt.ubsan*])
fi
2016-05-16 15:37:27 +02:00
TOR_CHECK_CFLAGS([-fno-omit-frame-pointer])
2014-04-14 23:10:34 +02:00
fi
2018-06-18 23:08:23 +02:00
dnl Find the correct libraries to add in order to use the sanitizers.
dnl
dnl When building Rust, Cargo will run the linker with the -nodefaultlibs
dnl option, which will prevent the compiler from linking the sanitizer
dnl libraries it needs. We need to specify them manually.
dnl
dnl What's more, we need to specify them in a linker script rather than
dnl from build.rs: these options aren't allowed in the cargo:rustc-flags
dnl variable.
RUST_LINKER_OPTIONS=""
2018-06-20 23:53:09 +02:00
if test "x$have_clang" = "xyes"; then
if test "x$CFLAGS_ASAN" != "x"; then
2018-10-29 18:00:23 +01:00
RUST_LINKER_OPTIONS="$RUST_LINKER_OPTIONS -Clink-arg=$CFLAGS_ASAN -Cdefault-linker-libraries"
2018-06-20 23:53:09 +02:00
fi
if test "x$CFLAGS_UBSAN" != "x"; then
2018-10-29 18:00:23 +01:00
RUST_LINKER_OPTIONS="$RUST_LINKER_OPTIONS -Clink-arg=$CFLAGS_UBSAN -Cdefault-linker-libraries"
2018-06-20 23:53:09 +02:00
fi
else
if test "x$CFLAGS_ASAN" != "x"; then
2018-10-29 18:00:23 +01:00
RUST_LINKER_OPTIONS="$RUST_LINKER_OPTIONS -Clink-arg=-fsanitize=address -Cdefault-linker-libraries"
2018-06-20 23:53:09 +02:00
fi
if test "x$CFLAGS_UBSAN" != "x"; then
2018-10-29 18:00:23 +01:00
RUST_LINKER_OPTIONS="$RUST_LINKER_OPTIONS -Clink-arg=-fsanitize=undefined -Cdefault-linker-libraries"
2018-06-20 23:53:09 +02:00
fi
2018-06-18 23:08:23 +02:00
fi
AC_SUBST(RUST_LINKER_OPTIONS)
2016-04-13 00:59:40 +02:00
CFLAGS_BUGTRAP="$CFLAGS_FTRAPV $CFLAGS_ASAN $CFLAGS_UBSAN"
CFLAGS_CONSTTIME="$CFLAGS_FWRAPV"
2016-05-19 22:38:24 +02:00
mulodi_fixes_ftrapv=no
2016-05-18 15:44:05 +02:00
if test "$have_clang" = "yes"; then
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $CFLAGS_FTRAPV"
AC_MSG_CHECKING([whether clang -ftrapv can link a 64-bit int multiply])
AC_LINK_IFELSE([
AC_LANG_SOURCE([[
#include <stdint.h>
#include <stdlib.h>
int main(int argc, char **argv)
{
int64_t x = ((int64_t)atoi(argv[1])) * (int64_t)atoi(argv[2])
2016-05-19 22:01:25 +02:00
* (int64_t)atoi(argv[3]);
2016-05-18 15:44:05 +02:00
return x == 9;
} ]])],
[ftrapv_can_link=yes; AC_MSG_RESULT([yes])],
[ftrapv_can_link=no; AC_MSG_RESULT([no])])
if test "$ftrapv_can_link" = "no"; then
AC_MSG_CHECKING([whether defining __mulodi4 fixes that])
AC_LINK_IFELSE([
AC_LANG_SOURCE([[
#include <stdint.h>
#include <stdlib.h>
int64_t __mulodi4(int64_t a, int64_t b, int *overflow) {
*overflow=0;
return a;
}
int main(int argc, char **argv)
{
int64_t x = ((int64_t)atoi(argv[1])) * (int64_t)atoi(argv[2])
2016-05-19 22:01:25 +02:00
* (int64_t)atoi(argv[3]);
2016-05-18 15:44:05 +02:00
return x == 9;
} ]])],
[mulodi_fixes_ftrapv=yes; AC_MSG_RESULT([yes])],
[mulodi_fixes_ftrapv=no; AC_MSG_RESULT([no])])
fi
CFLAGS="$saved_CFLAGS"
fi
2016-05-19 22:38:24 +02:00
AM_CONDITIONAL(ADD_MULODI4, test "$mulodi_fixes_ftrapv" = "yes")
2016-04-13 00:59:40 +02:00
dnl These cflags add bunches of branches, and we haven't been able to
dnl persuade ourselves that they're suitable for code that needs to be
dnl constant time.
AC_SUBST(CFLAGS_BUGTRAP)
2020-11-11 12:38:19 +01:00
dnl These cflags are variant ones suitable for code that needs to be
2016-04-13 00:59:40 +02:00
dnl constant-time.
AC_SUBST(CFLAGS_CONSTTIME)
2016-02-04 02:28:38 +01:00
if test "x$enable_linker_hardening" != "xno"; then
2012-06-11 17:00:48 +02:00
TOR_CHECK_LDFLAGS(-z relro -z now, "$all_ldflags_for_check", "$all_libs_for_check")
fi
2010-04-17 02:45:12 +02:00
2013-07-19 20:18:43 +02:00
# For backtrace support
TOR_CHECK_LDFLAGS(-rdynamic)
2010-04-17 02:45:12 +02:00
dnl ------------------------------------------------------
2013-01-30 19:08:04 +01:00
dnl Now see if we have a -fomit-frame-pointer compiler option.
saved_CFLAGS="$CFLAGS"
TOR_CHECK_CFLAGS(-fomit-frame-pointer)
2014-04-14 23:10:34 +02:00
F_OMIT_FRAME_POINTER=''
2013-01-30 19:08:04 +01:00
if test "$saved_CFLAGS" != "$CFLAGS"; then
2017-02-01 16:08:40 +01:00
if test "$fragile_hardening" = "yes"; then
2014-04-14 23:10:34 +02:00
F_OMIT_FRAME_POINTER='-fomit-frame-pointer'
fi
2013-01-30 19:08:04 +01:00
fi
CFLAGS="$saved_CFLAGS"
AC_SUBST(F_OMIT_FRAME_POINTER)
2014-02-24 17:41:53 +01:00
dnl ------------------------------------------------------
dnl If we are adding -fomit-frame-pointer (or if the compiler's doing it
dnl for us, as GCC 4.6 and later do at many optimization levels), then
dnl we should try to add -fasynchronous-unwind-tables so that our backtrace
dnl code will work.
TOR_CHECK_CFLAGS(-fasynchronous-unwind-tables)
2013-06-17 12:07:14 +02:00
dnl ============================================================
dnl Check for libseccomp
2014-04-28 17:11:11 +02:00
if test "x$enable_seccomp" != "xno"; then
AC_CHECK_HEADERS([seccomp.h])
AC_SEARCH_LIBS(seccomp_init, [seccomp])
fi
2013-06-17 12:07:14 +02:00
2014-08-28 23:38:22 +02:00
dnl ============================================================
dnl Check for libscrypt
if test "x$enable_libscrypt" != "xno"; then
AC_CHECK_HEADERS([libscrypt.h])
AC_SEARCH_LIBS(libscrypt_scrypt, [scrypt])
2016-05-24 16:28:31 +02:00
AC_CHECK_FUNCS([libscrypt_scrypt])
2014-08-28 23:38:22 +02:00
fi
2012-12-03 21:44:21 +01:00
dnl ============================================================
dnl We need an implementation of curve25519.
dnl set these defaults.
build_curve25519_donna=no
build_curve25519_donna_c64=no
use_curve25519_donna=no
use_curve25519_nacl=no
CURVE25519_LIBS=
2014-10-27 14:37:50 +01:00
dnl The best choice is using curve25519-donna-c64, but that requires
dnl that we
AC_CACHE_CHECK([whether we can use curve25519-donna-c64],
tor_cv_can_use_curve25519_donna_c64,
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM([dnl
#include <stdint.h>
typedef unsigned uint128_t __attribute__((mode(TI)));
int func(uint64_t a, uint64_t b) {
uint128_t c = ((uint128_t)a) * b;
int ok = ((uint64_t)(c>>96)) == 522859 &&
(((uint64_t)(c>>64))&0xffffffffL) == 3604448702L &&
(((uint64_t)(c>>32))&0xffffffffL) == 2351960064L &&
(((uint64_t)(c))&0xffffffffL) == 0;
return ok;
}
], [dnl
int ok = func( ((uint64_t)2000000000) * 1000000000,
((uint64_t)1234567890) << 24);
return !ok;
])],
[tor_cv_can_use_curve25519_donna_c64=yes],
[tor_cv_can_use_curve25519_donna_c64=no],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM([dnl
#include <stdint.h>
typedef unsigned uint128_t __attribute__((mode(TI)));
int func(uint64_t a, uint64_t b) {
uint128_t c = ((uint128_t)a) * b;
int ok = ((uint64_t)(c>>96)) == 522859 &&
(((uint64_t)(c>>64))&0xffffffffL) == 3604448702L &&
(((uint64_t)(c>>32))&0xffffffffL) == 2351960064L &&
(((uint64_t)(c))&0xffffffffL) == 0;
return ok;
}
], [dnl
int ok = func( ((uint64_t)2000000000) * 1000000000,
((uint64_t)1234567890) << 24);
return !ok;
])],
[tor_cv_can_use_curve25519_donna_c64=cross],
[tor_cv_can_use_curve25519_donna_c64=no])])])
AC_CHECK_HEADERS([crypto_scalarmult_curve25519.h \
nacl/crypto_scalarmult_curve25519.h])
AC_CACHE_CHECK([for nacl compiled with a fast curve25519 implementation],
tor_cv_can_use_curve25519_nacl,
[tor_saved_LIBS="$LIBS"
LIBS="$LIBS -lnacl"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([dnl
#ifdef HAVE_CRYPTO_SCALARMULT_CURVE25519_H
#include <crypto_scalarmult_curve25519.h>
#elif defined(HAVE_NACL_CRYPTO_SCALARMULT_CURVE25519_H)
#include <nacl/crypto_scalarmult_curve25519.h>
#endif
#ifdef crypto_scalarmult_curve25519_ref_BYTES
#error Hey, this is the reference implementation! That's not fast.
#endif
], [
unsigned char *a, *b, *c; crypto_scalarmult_curve25519(a,b,c);
])], [tor_cv_can_use_curve25519_nacl=yes],
[tor_cv_can_use_curve25519_nacl=no])
LIBS="$tor_saved_LIBS" ])
dnl Okay, now we need to figure out which one to actually use. Fall back
dnl to curve25519-donna.c
2016-02-04 02:28:38 +01:00
if test "x$tor_cv_can_use_curve25519_donna_c64" != "xno"; then
2014-10-27 14:37:50 +01:00
build_curve25519_donna_c64=yes
use_curve25519_donna=yes
2016-02-04 02:28:38 +01:00
elif test "x$tor_cv_can_use_curve25519_nacl" = "xyes"; then
2014-10-27 14:37:50 +01:00
use_curve25519_nacl=yes
CURVE25519_LIBS=-lnacl
else
build_curve25519_donna=yes
use_curve25519_donna=yes
fi
2012-12-03 21:44:21 +01:00
2016-02-04 02:28:38 +01:00
if test "x$use_curve25519_donna" = "xyes"; then
2012-12-03 21:44:21 +01:00
AC_DEFINE(USE_CURVE25519_DONNA, 1,
[Defined if we should use an internal curve25519_donna{,_c64} implementation])
fi
2016-02-04 02:28:38 +01:00
if test "x$use_curve25519_nacl" = "xyes"; then
2012-12-03 21:44:21 +01:00
AC_DEFINE(USE_CURVE25519_NACL, 1,
[Defined if we should use a curve25519 from nacl])
fi
2016-02-04 02:28:38 +01:00
AM_CONDITIONAL(BUILD_CURVE25519_DONNA,
test "x$build_curve25519_donna" = "xyes")
AM_CONDITIONAL(BUILD_CURVE25519_DONNA_C64,
test "x$build_curve25519_donna_c64" = "xyes")
2012-12-03 21:44:21 +01:00
AC_SUBST(CURVE25519_LIBS)
2012-06-11 17:00:48 +02:00
dnl Make sure to enable support for large off_t if available.
2004-11-12 06:05:41 +01:00
AC_SYS_LARGEFILE
2018-06-20 16:39:07 +02:00
AC_CHECK_HEADERS([errno.h \
2018-07-11 02:15:23 +02:00
fcntl.h \
signal.h \
string.h \
sys/capability.h \
sys/fcntl.h \
sys/stat.h \
sys/time.h \
sys/types.h \
time.h \
unistd.h \
arpa/inet.h \
crt_externs.h \
execinfo.h \
gnu/libc-version.h \
grp.h \
ifaddrs.h \
inttypes.h \
limits.h \
linux/types.h \
2019-02-05 22:58:56 +01:00
mach/vm_inherit.h \
2018-07-11 02:15:23 +02:00
machine/limits.h \
malloc.h \
netdb.h \
netinet/in.h \
netinet/in6.h \
pwd.h \
readpassphrase.h \
stdatomic.h \
sys/eventfd.h \
sys/file.h \
sys/ioctl.h \
sys/limits.h \
sys/mman.h \
sys/param.h \
sys/prctl.h \
2016-09-24 22:33:09 +02:00
sys/random.h \
2018-07-11 02:15:23 +02:00
sys/resource.h \
sys/select.h \
sys/socket.h \
sys/statvfs.h \
sys/syscall.h \
sys/sysctl.h \
sys/time.h \
sys/types.h \
sys/un.h \
sys/utime.h \
sys/wait.h \
syslog.h \
2020-06-03 23:09:42 +02:00
utime.h \
glob.h])
2005-07-13 19:31:52 +02:00
2012-05-16 20:31:36 +02:00
AC_CHECK_HEADERS(sys/param.h)
2007-03-04 20:49:04 +01:00
AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
2006-09-02 07:33:11 +02:00
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
2006-08-11 09:09:09 +02:00
#include <sys/socket.h>
#endif])
2007-03-04 20:49:04 +01:00
AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
2006-09-02 07:33:11 +02:00
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
2006-08-11 09:09:09 +02:00
#include <sys/socket.h>
2006-09-02 07:33:11 +02:00
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
2015-11-25 15:27:52 +01:00
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
2006-08-11 09:09:09 +02:00
#endif])
2014-12-23 16:51:33 +01:00
AC_CHECK_HEADERS(linux/if.h,[],[],
[
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
])
2006-08-10 11:14:57 +02:00
AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
2007-03-04 20:49:04 +01:00
linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
2007-01-06 00:34:31 +01:00
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
2006-08-10 11:30:25 +02:00
#include <sys/socket.h>
2008-07-07 17:09:26 +02:00
#endif
2008-08-07 21:39:52 +02:00
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_LINUX_TYPES_H
#include <linux/types.h>
#endif
#ifdef HAVE_NETINET_IN6_H
#include <netinet/in6.h>
#endif
2008-07-07 17:09:26 +02:00
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
2006-08-10 11:30:25 +02:00
#endif])
2006-08-10 11:01:46 +02:00
2014-12-23 16:51:33 +01:00
AC_CHECK_HEADERS(linux/netfilter_ipv6/ip6_tables.h,
linux_netfilter_ipv6_ip6_tables=1, linux_netfilter_ipv6_ip6_tables=0,
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_LINUX_TYPES_H
#include <linux/types.h>
#endif
#ifdef HAVE_NETINET_IN6_H
#include <netinet/in6.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_LINUX_IF_H
#include <linux/if.h>
#endif])
2016-06-22 20:34:56 +02:00
transparent_ok=0
if test "x$net_if_found" = "x1" && test "x$net_pfvar_found" = "x1"; then
transparent_ok=1
fi
if test "x$linux_netfilter_ipv4" = "x1"; then
transparent_ok=1
fi
if test "x$linux_netfilter_ipv6_ip6_tables" = "x1"; then
transparent_ok=1
fi
if test "x$transparent_ok" = "x1"; then
AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
else
AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
2006-08-10 11:01:46 +02:00
fi
2006-11-05 16:52:33 +01:00
AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif])
2004-08-04 01:31:22 +02:00
2003-08-11 22:40:21 +02:00
AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
2019-03-22 11:57:58 +01:00
AC_CHECK_SIZEOF(unsigned int)
2003-08-11 22:40:21 +02:00
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(__int64)
2004-05-05 22:26:35 +02:00
AC_CHECK_SIZEOF(void *)
2005-03-03 07:37:54 +01:00
AC_CHECK_SIZEOF(time_t)
2006-09-28 02:53:02 +02:00
AC_CHECK_SIZEOF(size_t)
2012-11-02 18:48:29 +01:00
AC_CHECK_SIZEOF(pid_t)
2006-05-23 10:38:18 +02:00
2008-02-22 04:29:17 +01:00
AC_CHECK_TYPES([uint, u_char, ssize_t])
2006-09-07 21:00:51 +02:00
2015-09-10 09:33:59 +02:00
AC_PC_FROM_UCONTEXT([:])
2013-07-26 12:46:17 +02:00
2008-12-11 22:56:22 +01:00
dnl used to include sockaddr_storage, but everybody has that.
AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
2007-01-06 00:34:31 +01:00
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_NETINET_IN_H
2007-01-05 23:12:15 +01:00
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN6_H
#include <netinet/in6.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
2007-08-02 19:30:42 +02:00
#endif
2012-01-31 17:04:27 +01:00
#ifdef _WIN32
2012-05-14 19:46:37 +02:00
#define _WIN32_WINNT 0x0501
2007-08-02 19:30:42 +02:00
#define WIN32_LEAN_AND_MEAN
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
])
2009-01-02 21:57:10 +01:00
AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
2007-12-05 17:30:52 +01:00
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN6_H
#include <netinet/in6.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
2012-01-31 17:04:27 +01:00
#ifdef _WIN32
2012-05-14 19:46:37 +02:00
#define _WIN32_WINNT 0x0501
2007-12-05 17:30:52 +01:00
#define WIN32_LEAN_AND_MEAN
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
])
2006-12-12 04:48:46 +01:00
2007-11-02 15:50:37 +01:00
AC_CHECK_TYPES([rlim_t], , ,
2007-11-12 21:42:57 +01:00
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
2007-12-22 18:30:12 +01:00
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
2007-11-12 21:42:57 +01:00
#ifdef HAVE_SYS_RESOURCE_H
2007-11-02 15:50:37 +01:00
#include <sys/resource.h>
#endif
])
2013-02-07 22:23:48 +01:00
AX_CHECK_SIGN([time_t],
2016-01-29 15:18:59 +01:00
[ : ],
2013-02-07 22:23:48 +01:00
[ : ], [
2007-01-06 00:34:31 +01:00
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
2005-07-25 20:10:08 +02:00
])
2007-12-23 19:20:22 +01:00
2016-02-04 02:28:38 +01:00
if test "$ax_cv_decl_time_t_signed" = "no"; then
2016-01-29 15:18:59 +01:00
AC_MSG_ERROR([You have an unsigned time_t; Tor does not support that. Please tell the Tor developers about your interesting platform.])
2013-03-11 20:33:44 +01:00
fi
2013-02-07 22:23:48 +01:00
AX_CHECK_SIGN([size_t],
[ tor_cv_size_t_signed=yes ],
[ tor_cv_size_t_signed=no ], [
2011-01-03 22:54:57 +01:00
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
])
2016-02-04 02:28:38 +01:00
if test "$ax_cv_decl_size_t_signed" = "yes"; then
2011-01-03 22:54:57 +01:00
AC_MSG_ERROR([You have a signed size_t; that's grossly nonconformant.])
fi
2013-02-07 22:29:32 +01:00
AX_CHECK_SIGN([enum always],
[ AC_DEFINE(ENUM_VALS_ARE_SIGNED, 1, [Define if enum is always signed]) ],
[ : ], [
enum always { AAA, BBB, CCC };
])
2005-05-07 07:55:06 +02:00
AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
])
2003-08-11 22:40:21 +02:00
2005-02-22 05:26:45 +01:00
# We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
AC_CHECK_SIZEOF(cell_t)
2018-08-08 21:41:40 +02:00
# Let's see if stdatomic works. (There are some debian clangs that screw it
# up; see Tor bug #26779 and debian bug 903709.)
AC_CACHE_CHECK([whether C11 stdatomic.h actually works],
tor_cv_stdatomic_works,
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdatomic.h>
struct x { atomic_size_t y; };
void try_atomic_init(struct x *xx)
{
atomic_init(&xx->y, 99);
atomic_fetch_add(&xx->y, 1);
}
]])], [tor_cv_stdatomic_works=yes], [tor_cv_stdatomic_works=no])])
if test "$tor_cv_stdatomic_works" = "yes"; then
AC_DEFINE(STDATOMIC_WORKS, 1, [Set to 1 if we can compile a simple stdatomic example.])
elif test "$ac_cv_header_stdatomic_h" = "yes"; then
2020-09-23 16:11:36 +02:00
tor_incr_n_warnings
2018-08-08 21:41:40 +02:00
AC_MSG_WARN([Your compiler provides the stdatomic.h header, but it doesn't seem to work. I'll pretend it isn't there. If you are using Clang on Debian, maybe this is because of https://bugs.debian.org/903709 ])
fi
2004-10-16 22:26:12 +02:00
# Now make sure that NULL can be represented as zero bytes.
AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[#include <stdlib.h>
2005-02-15 01:40:36 +01:00
#include <string.h>
2005-02-15 20:48:07 +01:00
#include <stdio.h>
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
2004-10-16 22:26:12 +02:00
int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
2004-10-16 22:37:54 +02:00
return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
2004-10-16 22:26:12 +02:00
[tor_cv_null_is_zero=yes],
[tor_cv_null_is_zero=no],
[tor_cv_null_is_zero=cross])])
2016-02-04 02:28:38 +01:00
if test "$tor_cv_null_is_zero" = "cross"; then
2006-05-23 10:38:18 +02:00
# Cross-compiling; let's hope that the target isn't raving mad.
AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
fi
2016-02-04 02:28:38 +01:00
if test "$tor_cv_null_is_zero" != "no"; then
2004-10-16 22:26:12 +02:00
AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
[Define to 1 iff memset(0) sets pointers to NULL])
fi
2013-01-29 23:38:15 +01:00
AC_CACHE_CHECK([whether memset(0) sets doubles to 0.0], tor_cv_dbl0_is_zero,
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
int main () { double d1,d2; d1=0; memset(&d2,0,sizeof(d2));
return memcmp(&d1,&d2,sizeof(d1))?1:0; }]])],
[tor_cv_dbl0_is_zero=yes],
[tor_cv_dbl0_is_zero=no],
[tor_cv_dbl0_is_zero=cross])])
2016-02-04 02:28:38 +01:00
if test "$tor_cv_dbl0_is_zero" = "cross"; then
2013-01-29 23:38:15 +01:00
# Cross-compiling; let's hope that the target isn't raving mad.
AC_MSG_NOTICE([Cross-compiling: we'll assume that 0.0 can be represented as a sequence of 0-valued bytes.])
fi
2016-02-04 02:28:38 +01:00
if test "$tor_cv_dbl0_is_zero" != "no"; then
2013-01-29 23:38:15 +01:00
AC_DEFINE([DOUBLE_0_REP_IS_ZERO_BYTES], 1,
[Define to 1 iff memset(0) sets doubles to 0.0])
fi
2006-09-20 00:36:48 +02:00
# And what happens when we malloc zero?
AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
int main () { return malloc(0)?0:1; }]])],
[tor_cv_malloc_zero_works=yes],
[tor_cv_malloc_zero_works=no],
[tor_cv_malloc_zero_works=cross])])
2016-02-04 02:28:38 +01:00
if test "$tor_cv_malloc_zero_works" = "cross"; then
2006-09-20 00:36:48 +02:00
# Cross-compiling; let's hope that the target isn't raving mad.
AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
fi
2016-02-04 02:28:38 +01:00
if test "$tor_cv_malloc_zero_works" = "yes"; then
2006-09-20 00:36:48 +02:00
AC_DEFINE([MALLOC_ZERO_WORKS], 1,
[Define to 1 iff malloc(0) returns a pointer])
fi
2006-10-02 23:00:20 +02:00
# whether we seem to be in a 2s-complement world.
AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[int main () { int problem = ((-99) != (~99)+1);
return problem ? 1 : 0; }]])],
[tor_cv_twos_complement=yes],
[tor_cv_twos_complement=no],
[tor_cv_twos_complement=cross])])
2016-02-04 02:28:38 +01:00
if test "$tor_cv_twos_complement" = "cross"; then
2006-10-02 23:00:20 +02:00
# Cross-compiling; let's hope that the target isn't raving mad.
2006-10-07 03:26:41 +02:00
AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
2006-10-02 23:00:20 +02:00
fi
2016-02-04 02:28:38 +01:00
if test "$tor_cv_twos_complement" != "no"; then
2006-10-02 23:00:20 +02:00
AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
2016-02-04 02:28:38 +01:00
[Define to 1 iff we represent negative integers with
two's complement])
2006-10-02 23:00:20 +02:00
fi
2011-05-10 00:39:23 +02:00
# What does shifting a negative value do?
AC_CACHE_CHECK([whether right-shift on negative values does sign-extension], tor_cv_sign_extend,
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[int main () { int okay = (-60 >> 8) == -1; return okay ? 0 : 1; }]])],
[tor_cv_sign_extend=yes],
[tor_cv_sign_extend=no],
[tor_cv_sign_extend=cross])])
2016-02-04 02:28:38 +01:00
if test "$tor_cv_sign_extend" = "cross"; then
2011-05-10 00:39:23 +02:00
# Cross-compiling; let's hope that the target isn't raving mad.
AC_MSG_NOTICE([Cross-compiling: we'll assume that right-shifting negative integers causes sign-extension])
fi
2016-02-04 02:28:38 +01:00
if test "$tor_cv_sign_extend" != "no"; then
2011-05-10 00:39:23 +02:00
AC_DEFINE([RSHIFT_DOES_SIGN_EXTEND], 1,
[Define to 1 iff right-shifting a negative value performs sign-extension])
fi
2017-05-26 23:04:52 +02:00
# Is uint8_t the same type as unsigned char?
AC_CACHE_CHECK([whether uint8_t is the same type as unsigned char], tor_cv_uint8_uchar,
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <stdint.h>
extern uint8_t c;
unsigned char c;]])],
[tor_cv_uint8_uchar=yes],
[tor_cv_uint8_uchar=no],
[tor_cv_uint8_uchar=cross])])
if test "$tor_cv_uint8_uchar" = "cross"; then
AC_MSG_NOTICE([Cross-compiling: we'll assume that uint8_t is the same type as unsigned char])
fi
if test "$tor_cv_uint8_uchar" = "no"; then
AC_MSG_ERROR([We assume that uint8_t is the same type as unsigned char, but your compiler disagrees.])
fi
2008-02-17 20:26:55 +01:00
AC_ARG_WITH(tcmalloc,
2019-10-18 09:16:32 +02:00
AS_HELP_STRING(--with-tcmalloc, [use tcmalloc memory allocation library. Deprecated; see --with-malloc]))
2008-02-17 20:26:55 +01:00
2018-07-11 15:28:23 +02:00
default_malloc=system
2008-02-17 20:26:55 +01:00
2018-07-11 15:28:23 +02:00
if test "x$enable_openbsd_malloc" = "xyes" ; then
AC_MSG_NOTICE([The --enable-openbsd-malloc argument is deprecated; use --with-malloc=openbsd instead.])
default_malloc=openbsd
2012-08-13 19:27:32 +02:00
fi
2018-07-11 15:28:23 +02:00
2019-10-18 09:16:32 +02:00
if test "x$with_tcmalloc" = "xyes"; then
2018-07-11 15:28:23 +02:00
AC_MSG_NOTICE([The --with-tcmalloc argument is deprecated; use --with-malloc=tcmalloc instead.])
default_malloc=tcmalloc
2012-08-13 19:27:32 +02:00
fi
2018-07-11 15:28:23 +02:00
AC_ARG_WITH(malloc,
AS_HELP_STRING([--with-malloc=[system,jemalloc,tcmalloc,openbsd]],
[select special malloc implementation [system]]),
[ malloc="$with_malloc" ], [ malloc="$default_malloc" ])
AS_CASE([$malloc],
[tcmalloc], [
PKG_CHECK_MODULES([TCMALLOC],
[libtcmalloc],
have_tcmalloc=yes,
have_tcmalloc=no)
if test "x$have_tcmalloc" = "xno" ; then
2019-10-03 08:53:12 +02:00
AC_MSG_ERROR([Unable to find tcmalloc requested by --with-malloc, $pkg_config_user_action, or set TCMALLOC_CFLAGS and TCMALLOC_LIBS.])
2018-07-11 15:28:23 +02:00
fi
CFLAGS="$CFLAGS $TCMALLOC_CFLAGS"
LIBS="$TCMALLOC_LIBS $LIBS"
],
[jemalloc], [
PKG_CHECK_MODULES([JEMALLOC],
[jemalloc],
have_jemalloc=yes,
have_jemalloc=no)
2019-10-18 09:18:52 +02:00
if test "x$have_jemalloc" = "xno" ; then
2019-10-03 08:53:12 +02:00
AC_MSG_ERROR([Unable to find jemalloc requested by --with-malloc, $pkg_config_user_action, or set JEMALLOC_CFLAGS and JEMALLOC_LIBS.])
2018-07-11 15:28:23 +02:00
fi
CFLAGS="$CFLAGS $JEMALLOC_CFLAGS"
LIBS="$JEMALLOC_LIBS $LIBS"
using_custom_malloc=yes
],
[openbsd], [
2020-09-23 16:11:36 +02:00
tor_incr_n_warnings
2018-08-04 12:53:21 +02:00
AC_MSG_WARN([The openbsd malloc port is deprecated in Tor 0.3.5 and will be removed in a future version.])
2018-07-11 15:28:23 +02:00
enable_openbsd_malloc=yes
],
[system], [
# handle this later, including the jemalloc fallback
],
[AC_MSG_ERROR([--with-malloc=`$with_malloc' not supported, see --help])
])
AM_CONDITIONAL(USE_OPENBSD_MALLOC, test "x$enable_openbsd_malloc" = "xyes")
if test "$malloc" != "system"; then
# Tell the C compiler not to use the system allocator functions.
TOR_CHECK_CFLAGS([-fno-builtin-malloc -fno-builtin-realloc -fno-builtin-calloc -fno-builtin-free])
2012-08-13 19:27:32 +02:00
fi
2018-07-11 15:36:24 +02:00
if test "$using_custom_malloc" = "yes"; then
# Tell the C compiler not to use the system allocator functions.
TOR_CHECK_CFLAGS([-fno-builtin-malloc -fno-builtin-realloc -fno-builtin-calloc -fno-builtin-free])
fi
2012-08-13 19:27:32 +02:00
2009-11-14 22:43:22 +01:00
# By default, we're going to assume we don't have mlockall()
2009-11-20 19:28:16 +01:00
# bionic and other platforms have various broken mlockall subsystems.
# Some systems don't have a working mlockall, some aren't linkable,
# and some have it but don't declare it.
2009-11-14 22:43:22 +01:00
AC_CHECK_FUNCS(mlockall)
2009-11-20 19:28:16 +01:00
AC_CHECK_DECLS([mlockall], , , [
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif])
2009-11-14 22:43:22 +01:00
2006-02-01 03:15:44 +01:00
# Allow user to specify an alternate syslog facility
AC_ARG_WITH(syslog-facility,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--with-syslog-facility=LOG, [syslog facility to use (default=LOG_DAEMON)]),
2006-02-01 03:15:44 +01:00
syslog_facility="$withval", syslog_facility="LOG_DAEMON")
AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
AC_SUBST(LOGFACILITY)
2008-11-07 03:06:12 +01:00
# Check if we have getresuid and getresgid
AC_CHECK_FUNCS(getresuid getresgid)
2005-02-22 05:50:31 +01:00
# Check for gethostbyname_r in all its glorious incompatible versions.
# (This logic is based on that in Python's configure.in)
AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
[Define this if you have any gethostbyname_r()])
AC_CHECK_FUNC(gethostbyname_r, [
AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
OLD_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
2016-03-28 21:59:35 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2005-02-22 05:50:31 +01:00
#include <netdb.h>
2016-03-28 21:59:35 +02:00
]], [[
2005-02-22 05:50:31 +01:00
char *cp1, *cp2;
struct hostent *h1, *h2;
int i1, i2;
(void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
2010-10-11 11:55:30 +02:00
]])],[
2005-02-22 05:50:31 +01:00
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
[Define this if gethostbyname_r takes 6 arguments])
AC_MSG_RESULT(6)
], [
2016-03-28 21:59:35 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2005-02-22 05:50:31 +01:00
#include <netdb.h>
2016-03-28 21:59:35 +02:00
]], [[
2005-02-22 05:50:31 +01:00
char *cp1, *cp2;
struct hostent *h1;
int i1, i2;
(void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
2016-03-28 21:59:35 +02:00
]])], [
2005-02-22 05:50:31 +01:00
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
[Define this if gethostbyname_r takes 5 arguments])
AC_MSG_RESULT(5)
], [
2016-03-28 21:59:35 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
2005-02-22 05:50:31 +01:00
#include <netdb.h>
2016-03-28 21:59:35 +02:00
]], [[
2005-02-22 05:50:31 +01:00
char *cp1;
struct hostent *h1;
struct hostent_data hd;
(void) gethostbyname_r(cp1,h1,&hd);
2016-03-28 21:59:35 +02:00
]])], [
2005-02-22 05:50:31 +01:00
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
[Define this if gethostbyname_r takes 3 arguments])
AC_MSG_RESULT(3)
], [
AC_MSG_RESULT(0)
])
])
])
CFLAGS=$OLD_CFLAGS
])
2006-03-13 01:25:36 +01:00
AC_CACHE_CHECK([whether the C compiler supports __func__],
2007-01-30 00:09:26 +01:00
tor_cv_have_func_macro,
2010-10-11 11:55:30 +02:00
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2006-03-13 01:25:36 +01:00
#include <stdio.h>
2010-10-11 11:55:30 +02:00
int main(int c, char **v) { puts(__func__); }])],
2007-01-30 00:09:26 +01:00
tor_cv_have_func_macro=yes,
tor_cv_have_func_macro=no))
2006-03-13 01:25:36 +01:00
AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
2007-01-30 00:09:26 +01:00
tor_cv_have_FUNC_macro,
2010-10-11 11:55:30 +02:00
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2006-03-13 01:25:36 +01:00
#include <stdio.h>
2010-10-11 11:55:30 +02:00
int main(int c, char **v) { puts(__FUNC__); }])],
2007-01-30 00:09:26 +01:00
tor_cv_have_FUNC_macro=yes,
tor_cv_have_FUNC_macro=no))
2006-03-13 01:25:36 +01:00
AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
2007-01-30 00:09:26 +01:00
tor_cv_have_FUNCTION_macro,
2010-10-11 11:55:30 +02:00
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2006-03-13 01:25:36 +01:00
#include <stdio.h>
2010-10-11 11:55:30 +02:00
int main(int c, char **v) { puts(__FUNCTION__); }])],
2007-01-30 00:09:26 +01:00
tor_cv_have_FUNCTION_macro=yes,
tor_cv_have_FUNCTION_macro=no))
2006-03-13 01:25:36 +01:00
2016-12-16 18:16:52 +01:00
AC_CACHE_CHECK([whether we have extern char **environ already declared],
tor_cv_have_environ_declared,
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
int main(int c, char **v) { char **t = environ; }])],
tor_cv_have_environ_declared=yes,
tor_cv_have_environ_declared=no))
2016-02-04 02:28:38 +01:00
if test "$tor_cv_have_func_macro" = "yes"; then
2006-03-13 01:25:36 +01:00
AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
fi
2016-02-04 02:28:38 +01:00
if test "$tor_cv_have_FUNC_macro" = "yes"; then
2006-03-13 01:25:36 +01:00
AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
fi
2016-02-04 02:28:38 +01:00
if test "$tor_cv_have_FUNCTION_macro" = "yes"; then
2006-03-13 01:25:36 +01:00
AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
[Defined if the compiler supports __FUNCTION__])
fi
2016-12-16 18:16:52 +01:00
if test "$tor_cv_have_environ_declared" = "yes"; then
AC_DEFINE(HAVE_EXTERN_ENVIRON_DECLARED, 1,
[Defined if we have extern char **environ already declared])
fi
2003-10-15 09:19:38 +02:00
# $prefix stores the value of the --prefix command line option, or
# NONE if the option wasn't set. In the case that it wasn't set, make
# it be the default, so that we can use it to expand directories now.
if test "x$prefix" = "xNONE"; then
prefix=$ac_default_prefix
fi
# and similarly for $exec_prefix
if test "x$exec_prefix" = "xNONE"; then
exec_prefix=$prefix
fi
2010-10-12 00:22:52 +02:00
if test "x$BUILDDIR" = "x"; then
BUILDDIR=`pwd`
fi
AC_SUBST(BUILDDIR)
AH_TEMPLATE([BUILDDIR],[tor's build directory])
AC_DEFINE_UNQUOTED(BUILDDIR,"$BUILDDIR")
2018-03-15 15:21:34 +01:00
if test "x$SRCDIR" = "x"; then
2018-03-23 17:38:27 +01:00
SRCDIR=$(cd "$srcdir"; pwd)
2018-03-15 15:21:34 +01:00
fi
AH_TEMPLATE([SRCDIR],[tor's sourcedir directory])
AC_DEFINE_UNQUOTED(SRCDIR,"$SRCDIR")
2006-09-24 23:45:02 +02:00
if test "x$CONFDIR" = "x"; then
CONFDIR=`eval echo $sysconfdir/tor`
fi
2003-10-15 09:19:38 +02:00
AC_SUBST(CONFDIR)
2006-06-16 04:04:04 +02:00
AH_TEMPLATE([CONFDIR],[tor's configuration directory])
2003-10-15 09:19:38 +02:00
AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
2007-11-14 03:55:12 +01:00
BINDIR=`eval echo $bindir`
AC_SUBST(BINDIR)
LOCALSTATEDIR=`eval echo $localstatedir`
AC_SUBST(LOCALSTATEDIR)
2016-02-04 02:28:38 +01:00
if test "$bwin32" = "true"; then
2011-01-07 06:08:27 +01:00
# Test if the linker supports the --nxcompat and --dynamicbase options
# for Windows
save_LDFLAGS="$LDFLAGS"
LDFLAGS="-Wl,--nxcompat -Wl,--dynamicbase"
AC_MSG_CHECKING([whether the linker supports DllCharacteristics])
AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
[AC_MSG_RESULT([yes])]
[save_LDFLAGS="$save_LDFLAGS $LDFLAGS"],
[AC_MSG_RESULT([no])]
)
LDFLAGS="$save_LDFLAGS"
fi
2004-11-02 04:02:17 +01:00
# Set CFLAGS _after_ all the above checks, since our warnings are stricter
# than autoconf's macros like.
2016-02-04 02:28:38 +01:00
if test "$GCC" = "yes"; then
2009-01-31 08:51:02 +01:00
# Disable GCC's strict aliasing checks. They are an hours-to-debug
# accident waiting to happen.
2015-01-10 23:21:11 +01:00
CFLAGS="$CFLAGS -Wall -fno-strict-aliasing"
2006-03-27 02:43:39 +02:00
else
2015-01-06 20:05:35 +01:00
# Override optimization level for non-gcc compilers
2011-03-18 17:04:01 +01:00
CFLAGS="$CFLAGS -O"
2006-10-08 23:05:11 +02:00
enable_gcc_warnings=no
2010-01-24 19:32:41 +01:00
enable_gcc_warnings_advisory=no
2006-03-27 02:43:39 +02:00
fi
2006-10-08 23:05:11 +02:00
2016-05-23 20:39:56 +02:00
# Warnings implies advisory-warnings and -Werror.
if test "$enable_gcc_warnings" = "yes"; then
enable_gcc_warnings_advisory=yes
enable_fatal_warnings=yes
fi
2011-08-10 19:22:41 +02:00
# OS X Lion started deprecating the system openssl. Let's just disable
2012-01-20 23:13:35 +01:00
# all deprecation warnings on OS X. Also, to potentially make the binary
# a little smaller, let's enable dead_strip.
2011-08-10 19:22:41 +02:00
case "$host_os" in
darwin*)
CFLAGS="$CFLAGS -Wno-deprecated-declarations"
2012-01-20 23:13:35 +01:00
LDFLAGS="$LDFLAGS -dead_strip" ;;
2011-08-10 19:22:41 +02:00
esac
2018-12-21 15:49:33 +01:00
TOR_WARNING_FLAGS=""
2007-08-01 18:43:27 +02:00
# Add some more warnings which we use in development but not in the
2004-11-14 18:21:32 +01:00
# released versions. (Some relevant gcc versions can't handle these.)
2016-06-01 19:38:36 +02:00
#
# Note that we have to do this near the end of the autoconf process, or
# else we may run into problems when these warnings hit on the testing C
# programs that autoconf wants to build.
2016-05-23 20:39:56 +02:00
if test "x$enable_gcc_warnings_advisory" != "xno"; then
2006-10-11 01:46:51 +02:00
2016-02-04 02:28:38 +01:00
case "$host" in
2012-10-04 16:56:33 +02:00
*-*-openbsd* | *-*-bitrig*)
2010-08-24 19:43:53 +02:00
# Some OpenBSD versions (like 4.8) have -Wsystem-headers by default.
# That's fine, except that the headers don't pass -Wredundant-decls.
# Therefore, let's disable -Wsystem-headers when we're building
# with maximal warnings on OpenBSD.
CFLAGS="$CFLAGS -Wno-system-headers" ;;
esac
2018-12-21 15:49:33 +01:00
CFLAGS_NOWARNINGS="$CFLAGS"
2016-06-01 19:38:36 +02:00
# GCC4.3 users once report trouble with -Wstrict-overflow=5. GCC5 users
# have it work better.
# CFLAGS="$CFLAGS -Wstrict-overflow=1"
# This warning was added in gcc 4.3, but it appears to generate
# spurious warnings in gcc 4.4. I don't know if it works in 4.5.
#CFLAGS="$CFLAGS -Wlogical-op"
m4_foreach_w([warning_flag], [
-Waddress
2016-06-01 22:20:17 +02:00
-Waddress-of-array-temporary
-Waddress-of-temporary
-Wambiguous-macro
-Wanonymous-pack-parens
-Warc
-Warc-abi
-Warc-bridge-casts-disallowed-in-nonarc
-Warc-maybe-repeated-use-of-weak
-Warc-performSelector-leaks
-Warc-repeated-use-of-weak
2016-06-01 19:38:36 +02:00
-Warray-bounds
2016-06-01 22:20:17 +02:00
-Warray-bounds-pointer-arithmetic
-Wasm
-Wasm-operand-widths
-Watomic-properties
-Watomic-property-with-user-defined-accessor
-Wauto-import
-Wauto-storage-class
-Wauto-var-id
-Wavailability
-Wbackslash-newline-escape
-Wbad-array-new-length
-Wbind-to-temporary-copy
-Wbitfield-constant-conversion
-Wbool-conversion
-Wbool-conversions
-Wbuiltin-requires-header
-Wchar-align
-Wcompare-distinct-pointer-types
-Wcomplex-component-init
-Wconditional-type-mismatch
-Wconfig-macros
-Wconstant-conversion
-Wconstant-logical-operand
-Wconstexpr-not-const
-Wcustom-atomic-properties
-Wdangling-field
-Wdangling-initializer-list
2016-06-01 19:38:36 +02:00
-Wdate-time
2016-06-01 22:20:17 +02:00
-Wdelegating-ctor-cycles
-Wdeprecated-implementations
-Wdeprecated-register
-Wdirect-ivar-access
-Wdiscard-qual
-Wdistributed-object-modifiers
-Wdivision-by-zero
-Wdollar-in-identifier-extension
2016-06-01 19:38:36 +02:00
-Wdouble-promotion
2016-06-01 22:20:17 +02:00
-Wduplicate-decl-specifier
-Wduplicate-enum
-Wduplicate-method-arg
-Wduplicate-method-match
2016-06-01 19:38:36 +02:00
-Wduplicated-cond
2016-06-01 22:20:17 +02:00
-Wdynamic-class-memaccess
-Wembedded-directive
-Wempty-translation-unit
-Wenum-conversion
-Wexit-time-destructors
-Wexplicit-ownership-type
-Wextern-initializer
2016-06-01 19:38:36 +02:00
-Wextra
2016-06-02 15:09:37 +02:00
-Wextra-semi
2016-06-01 22:20:17 +02:00
-Wextra-tokens
-Wflexible-array-extensions
2016-06-01 19:38:36 +02:00
-Wfloat-conversion
2016-06-01 22:20:17 +02:00
-Wformat-non-iso
-Wfour-char-constants
-Wgcc-compat
-Wglobal-constructors
-Wgnu-array-member-paren-init
-Wgnu-designator
-Wgnu-static-float-init
-Wheader-guard
-Wheader-hygiene
-Widiomatic-parentheses
2016-06-01 19:38:36 +02:00
-Wignored-attributes
2016-06-01 22:20:17 +02:00
-Wimplicit-atomic-properties
-Wimplicit-conversion-floating-point-to-bool
-Wimplicit-exception-spec-mismatch
-Wimplicit-fallthrough
-Wimplicit-fallthrough-per-function
-Wimplicit-retain-self
-Wimport-preprocessor-directive-pedantic
-Wincompatible-library-redeclaration
-Wincompatible-pointer-types-discards-qualifiers
-Wincomplete-implementation
-Wincomplete-module
-Wincomplete-umbrella
2016-06-01 19:38:36 +02:00
-Winit-self
2016-06-01 22:20:17 +02:00
-Wint-conversions
-Wint-to-void-pointer-cast
-Winteger-overflow
-Winvalid-constexpr
-Winvalid-iboutlet
-Winvalid-noreturn
-Winvalid-pp-token
-Winvalid-source-encoding
-Winvalid-token-paste
-Wknr-promoted-parameter
-Wlarge-by-value-copy
-Wliteral-conversion
-Wliteral-range
-Wlocal-type-template-args
2016-06-01 19:38:36 +02:00
-Wlogical-op
2016-06-01 22:20:17 +02:00
-Wloop-analysis
-Wmain-return-type
-Wmalformed-warning-check
-Wmethod-signatures
-Wmicrosoft
-Wmicrosoft-exists
-Wmismatched-parameter-types
-Wmismatched-return-types
2016-06-01 19:38:36 +02:00
-Wmissing-field-initializers
-Wmissing-format-attribute
-Wmissing-noreturn
2016-06-01 22:20:17 +02:00
-Wmissing-selector-name
-Wmissing-sysroot
2016-06-02 15:46:12 +02:00
-Wmissing-variable-declarations
2016-06-01 22:20:17 +02:00
-Wmodule-conflict
-Wnested-anon-types
-Wnewline-eof
-Wnon-literal-null-conversion
-Wnon-pod-varargs
-Wnonportable-cfstrings
2017-11-29 17:04:41 +01:00
-Wnormalized=nfkc
2016-06-01 22:20:17 +02:00
-Wnull-arithmetic
-Wnull-character
-Wnull-conversion
2016-06-01 19:38:36 +02:00
-Wnull-dereference
2016-06-01 22:20:17 +02:00
-Wout-of-line-declaration
-Wover-aligned
2016-06-01 19:38:36 +02:00
-Woverlength-strings
-Woverride-init
2016-06-01 22:20:17 +02:00
-Woverriding-method-mismatch
-Wpointer-type-mismatch
-Wpredefined-identifier-outside-function
-Wprotocol-property-synthesis-ambiguity
-Wreadonly-iboutlet-property
-Wreadonly-setter-attrs
-Wreceiver-expr
-Wreceiver-forward-class
-Wreceiver-is-weak
-Wreinterpret-base-class
-Wrequires-super-attribute
-Wreserved-user-defined-literal
-Wreturn-stack-address
-Wsection
-Wselector-type-mismatch
-Wsentinel
-Wserialized-diagnostics
2016-07-05 20:19:31 +02:00
-Wshadow
2016-06-01 19:38:36 +02:00
-Wshift-count-negative
-Wshift-count-overflow
-Wshift-negative-value
-Wshift-overflow=2
2016-06-01 22:20:17 +02:00
-Wshift-sign-overflow
-Wshorten-64-to-32
2016-06-01 19:38:36 +02:00
-Wsizeof-array-argument
2016-06-01 22:20:17 +02:00
-Wsource-uses-openmp
-Wstatic-float-init
-Wstatic-in-inline
-Wstatic-local-in-inline
2017-01-22 17:32:54 +01:00
-Wstrict-overflow=1
2016-06-01 22:20:17 +02:00
-Wstring-compare
2016-06-02 16:05:03 +02:00
-Wstring-conversion
2016-06-01 22:20:17 +02:00
-Wstrlcpy-strlcat-size
-Wstrncat-size
2016-06-01 19:38:36 +02:00
-Wsuggest-attribute=format
-Wsuggest-attribute=noreturn
2016-06-01 22:20:17 +02:00
-Wsuper-class-method-mismatch
2016-06-01 19:38:36 +02:00
-Wswitch-bool
-Wsync-nand
2016-06-01 22:20:17 +02:00
-Wtautological-constant-out-of-range-compare
-Wtentative-definition-incomplete-type
2016-06-01 19:38:36 +02:00
-Wtrampolines
2016-06-01 22:20:17 +02:00
-Wtype-safety
-Wtypedef-redefinition
-Wtypename-missing
-Wundefined-inline
-Wundefined-internal
-Wundefined-reinterpret-cast
-Wunicode
-Wunicode-whitespace
-Wunknown-warning-option
-Wunnamed-type-template-args
-Wunneeded-member-function
-Wunsequenced
-Wunsupported-visibility
2016-06-01 19:38:36 +02:00
-Wunused-but-set-parameter
-Wunused-but-set-variable
2016-06-01 22:20:17 +02:00
-Wunused-command-line-argument
2016-06-01 19:38:36 +02:00
-Wunused-const-variable=2
2016-06-01 22:20:17 +02:00
-Wunused-exception-parameter
2016-06-01 19:38:36 +02:00
-Wunused-local-typedefs
2016-06-01 22:20:17 +02:00
-Wunused-member-function
-Wunused-sanitize-argument
-Wunused-volatile-lvalue
-Wuser-defined-literals
2016-06-01 19:38:36 +02:00
-Wvariadic-macros
2016-06-01 22:20:17 +02:00
-Wvector-conversion
-Wvector-conversions
-Wvexing-parse
-Wvisibility
-Wvla-extension
-Wzero-length-array
2018-12-21 15:49:33 +01:00
], [ TOR_TRY_COMPILE_WITH_CFLAGS(warning_flag, [],
[TOR_WARNING_FLAGS="$TOR_WARNING_FLAGS warning_flag" CFLAGS="$CFLAGS warning_flag"], true)
])
2016-06-01 19:38:36 +02:00
2017-01-22 17:32:54 +01:00
dnl We should re-enable this in some later version. Clang doesn't
dnl mind, but it causes trouble with GCC.
dnl -Wstrict-overflow=2
2016-09-08 15:37:40 +02:00
dnl These seem to require annotations that we don't currently use,
dnl and they give false positives in our pthreads wrappers. (Clang 4)
dnl -Wthread-safety
dnl -Wthread-safety-analysis
dnl -Wthread-safety-attributes
dnl -Wthread-safety-beta
dnl -Wthread-safety-precise
2018-12-21 15:49:33 +01:00
W_FLAGS="$W_FLAGS -W -Wfloat-equal -Wundef -Wpointer-arith"
W_FLAGS="$W_FLAGS -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings"
W_FLAGS="$W_FLAGS -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2"
W_FLAGS="$W_FLAGS -Wwrite-strings"
W_FLAGS="$W_FLAGS -Wnested-externs -Wbad-function-cast -Wswitch-enum"
W_FLAGS="$W_FLAGS -Waggregate-return -Wpacked -Wunused"
W_FLAGS="$W_FLAGS -Wunused-parameter "
2016-06-01 22:13:41 +02:00
# These interfere with building main() { return 0; }, which autoconf
# likes to use as its default program.
2018-12-21 15:49:33 +01:00
W_FLAGS="$W_FLAGS -Wold-style-definition -Wmissing-declarations"
TOR_WARNING_FLAGS="$TOR_WARNING_FLAGS $W_FLAGS"
CFLAGS="$CFLAGS $W_FLAGS"
2016-06-01 22:13:41 +02:00
2016-06-01 19:38:36 +02:00
if test "$tor_cv_cflags__Wnull_dereference" = "yes"; then
AC_DEFINE([HAVE_CFLAG_WNULL_DEREFERENCE], 1, [True if we have -Wnull-dereference])
2008-02-21 21:54:45 +01:00
fi
2016-06-11 18:58:24 +02:00
if test "$tor_cv_cflags__Woverlength_strings" = "yes"; then
AC_DEFINE([HAVE_CFLAG_WOVERLENGTH_STRINGS], 1, [True if we have -Woverlength-strings])
fi
2018-07-26 19:32:34 +02:00
if test "$tor_cv_cflags__warn_unused_const_variable_2" = "yes"; then
AC_DEFINE([HAVE_CFLAG_WUNUSED_CONST_VARIABLE], 1, [True if we have -Wunused-const-variable])
fi
2008-02-21 21:54:45 +01:00
2018-12-21 15:49:33 +01:00
CFLAGS="$CFLAGS_NOWARNINGS"
2016-05-23 20:39:56 +02:00
if test "x$enable_fatal_warnings" = "xyes"; then
# I'd like to use TOR_CHECK_CFLAGS here, but I can't, since the
# default autoconf programs are full of errors.
CFLAGS="$CFLAGS -Werror"
fi
2013-10-31 16:57:50 +01:00
2006-10-08 23:05:11 +02:00
fi
2004-11-02 04:02:17 +01:00
2018-12-21 15:49:33 +01:00
AC_SUBST(TOR_WARNING_FLAGS)
echo "$TOR_WARNING_FLAGS">warning_flags
TOR_TRY_COMPILE_WITH_CFLAGS([@warning_flags], [],
CFLAGS="$CFLAGS @warning_flags",
CFLAGS="$CFLAGS $TOR_WARNING_FLAGS")
2016-02-04 02:28:38 +01:00
if test "$enable_coverage" = "yes" && test "$have_clang" = "no"; then
2013-07-09 18:37:11 +02:00
case "$host_os" in
darwin*)
2020-09-23 16:11:36 +02:00
tor_incr_n_warnings
2016-07-26 17:33:02 +02:00
AC_MSG_WARN([Tried to enable coverage on OSX without using the clang compiler. This might not work! If coverage fails, use CC=clang when configuring with --enable-coverage.])
2013-07-09 18:37:11 +02:00
esac
fi
2008-02-21 21:54:45 +01:00
2007-05-26 01:59:47 +02:00
CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
2010-11-11 20:22:48 +01:00
AC_CONFIG_FILES([
2018-07-11 02:15:23 +02:00
Doxyfile
Makefile
config.rust
contrib/operator-tools/tor.logrotate
src/config/torrc.sample
src/config/torrc.minimal
src/rust/.cargo/config
scripts/maint/checkOptionDocs.pl
2018-12-21 15:49:33 +01:00
warning_flags
2010-11-11 20:22:48 +01:00
])
2010-11-11 19:59:18 +01:00
2016-02-04 02:28:38 +01:00
if test "x$asciidoc" = "xtrue" && test "$ASCIIDOC" = "none"; then
2020-07-14 15:02:03 +02:00
regular_mans="doc/man/tor doc/man/tor-gencert doc/man/tor-resolve doc/man/torify"
2013-05-14 19:18:28 +02:00
for file in $regular_mans ; do
2013-05-24 20:43:57 +02:00
if ! [[ -f "$srcdir/$file.1.in" ]] || ! [[ -f "$srcdir/$file.html.in" ]] ; then
2013-05-14 19:18:28 +02:00
echo "==================================";
echo;
2014-09-28 17:09:25 +02:00
echo "Building Tor has failed since manpages cannot be built.";
echo;
echo "You need asciidoc installed to be able to build the manpages.";
2013-05-14 19:18:28 +02:00
echo "To build without manpages, use the --disable-asciidoc argument";
echo "when calling configure.";
echo;
echo "==================================";
exit 1;
fi
done
fi
2017-02-01 16:08:40 +01:00
if test "$fragile_hardening" = "yes"; then
2020-09-23 16:11:36 +02:00
tor_incr_n_warnings
2017-02-01 16:08:40 +01:00
AC_MSG_WARN([
============
Warning! Building Tor with --enable-fragile-hardening (also known as
--enable-expensive-hardening) makes some kinds of attacks harder, but makes
other kinds of attacks easier. A Tor instance build with this option will be
somewhat less vulnerable to remote code execution, arithmetic overflow, or
out-of-bounds read/writes... but at the cost of becoming more vulnerable to
denial of service attacks. For more information, see
2020-09-14 17:02:38 +02:00
https://gitlab.torproject.org/tpo/core/team/-/wikis/TorFragileHardening
2017-02-01 16:08:40 +01:00
============
])
fi
2007-03-04 20:49:04 +01:00
AC_OUTPUT
2019-08-08 16:08:02 +02:00
2020-09-23 15:52:43 +02:00
if test "$openssl_ver_mismatch" = "yes"; then
2020-09-23 16:11:36 +02:00
tor_incr_n_warnings
2020-09-23 15:52:43 +02:00
AC_MSG_WARN([
============
Warning! The version OpenSSL headers we get from compiling with
"${TOR_CPPFLAGS_OPENSSL:-(no extra options)}"
do not match version of the OpenSSL library we get when linking with
"$TOR_LDFLAGS_OPENSSL $TOR_OPENSSL_LIBS".
This might cause compilation to fail. Try using --with-openssl-dir to specify
the exact OpenSSL path you want.
============
])
fi
2019-08-08 16:08:02 +02:00
#
# Mini-report on what will be built.
#
PPRINT_INIT
PPRINT_SET_INDENT(1)
PPRINT_SET_TS(65)
AS_ECHO
AS_ECHO("Tor Version: ${PPRINT_COLOR_BLDBLU}Tor $PACKAGE_VERSION $PPRINT_COLOR_RST")
AS_ECHO
PPRINT_SUBTITLE([Build Features])
PPRINT_PROP_STRING([Compiler], [$CC])
PPRINT_PROP_STRING([Host OS], [$host_os])
AS_ECHO
test "x$enable_fatal_warnings" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([Warnings are fatal (--enable-fatal-warnings)], $value)
test "x$enable_rust" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([Rust support (--enable-rust)], $value)
2020-01-30 17:18:34 +01:00
test "x$enable_cargo_online_mode" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([Cargo Online Fetch (--enable-cargo-online-mode)], $value)
2019-08-08 16:08:02 +02:00
test "x$enable_android" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([Android support (--enable-android)], $value)
AS_ECHO
PPRINT_SUBTITLE([Static Build])
test "x$enable_static_tor" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([tor (--enable-static-tor)], $value)
if test "x$enable_static_libevent" = "xyes"; then
PPRINT_PROP_STRING([libevent], [$TOR_LIBDIR_libevent])
else
PPRINT_PROP_BOOL([libevent (--enable-static-libevent)], $value)
fi
if test "x$enable_static_openssl" = "xyes"; then
PPRINT_PROP_STRING([libssl], [$TOR_LIBDIR_openssl])
else
PPRINT_PROP_BOOL([libssl (--enable-static-openssl)], $value)
fi
if test "x$enable_static_zlib" = "xyes"; then
PPRINT_PROP_STRING([zlib1g], [$TOR_LIBDIR_zlib])
else
PPRINT_PROP_BOOL([zlib1g (--enable-static-zlib)], $value)
fi
AS_ECHO
PPRINT_SUBTITLE([Optional Libraries])
test "x$enable_nss" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([libnss (--enable-nss)], $value)
test "x$enable_seccomp" != "xno" && value=1 || value=0
PPRINT_PROP_BOOL([libseccomp (--disable-seccomp)], $value)
test "x$enable_libscrypt" != "xno" && value=1 || value=0
PPRINT_PROP_BOOL([libscrypt (--disable-libscrypt)], $value)
2020-01-30 17:18:34 +01:00
test "x$enable_systemd" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([Systemd support (--enable-systemd)], $value)
2021-01-18 20:37:26 +01:00
test "x$have_lzma" = "xyes" && value=1 || value=0
2020-01-30 17:18:34 +01:00
PPRINT_PROP_BOOL([liblzma (--enable-lzma)], $value)
2021-01-18 20:37:26 +01:00
test "x$have_zstd" = "xyes" && value=1 || value=0
2020-01-30 17:18:34 +01:00
PPRINT_PROP_BOOL([libzstd (--enable-zstd)], $value)
2019-08-08 16:08:02 +02:00
AS_ECHO
PPRINT_SUBTITLE([Hardening])
test "x$enable_gcc_hardening" != "xno" && value=1 || value=0
PPRINT_PROP_BOOL([Compiler Hardening (--disable-gcc-hardening)], $value)
test "x$enable_linker_hardening" != "xno" && value=1 || value=0
PPRINT_PROP_BOOL([Linker Hardening (--disable-linker-hardening)], $value)
2020-01-30 17:18:34 +01:00
test "x$fragile_hardening" = "xyes" && value=1 || value=0
2019-08-08 16:08:02 +02:00
PPRINT_PROP_BOOL([Fragile Hardening (--enable-fragile-hardening, dev only)], $value)
AS_ECHO
PPRINT_SUBTITLE([Modules])
2020-01-30 17:18:34 +01:00
m4_foreach_w([mname], MODULES,
[
2020-03-31 14:21:12 +02:00
AM_COND_IF(m4_join([], [BUILD_MODULE_], m4_toupper([]mname[])), value=1, value=0)
2021-01-14 15:25:46 +01:00
m4_set_contains([MODULES_WITH_NO_OPTIONS], mname,
PPRINT_PROP_BOOL([mname], $value),
PPRINT_PROP_BOOL([mname (--disable-module-mname)], $value))
2020-01-30 17:18:34 +01:00
]
)
2019-10-24 15:08:36 +02:00
2019-08-08 16:08:02 +02:00
AS_ECHO
PPRINT_SUBTITLE([Documentation])
2020-01-30 17:18:34 +01:00
test "x$enable_asciidoc" != "xno" && value=1 || value=0
PPRINT_PROP_BOOL([AsciiDoc (--disable-asciidoc)], $value)
2019-08-08 16:08:02 +02:00
test "x$enable_manpage" != "xno" && value=1 || value=0
PPRINT_PROP_BOOL([Man Pages (--disable-manpage)], $value)
test "x$enable_html_manual" != "xno" && value=1 || value=0
PPRINT_PROP_BOOL([HTML Manual (--disable-html-manual)], $value)
AS_ECHO
PPRINT_SUBTITLE([Tests])
test "x$enable_unittests" != "xno" && value=1 || value=0
PPRINT_PROP_BOOL([Unit tests (--disable-unittests)], $value)
test "x$enable_asserts_in_tests" = "xno" && value=1 || value=0
2020-01-30 17:18:34 +01:00
PPRINT_PROP_BOOL([assert()s enabled (--enable-asserts-in-tests, dev only)], $value)
2019-08-08 16:08:02 +02:00
test "x$enable_coverage" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([Code Coverage (--enable-coverage)], $value)
test "x$enable_libfuzzer" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([libFuzzer support (--enable-libfuzzer)], $value)
test "x$enable_oss_fuzz" = "xyes" && value=1 || value=0
PPRINT_PROP_BOOL([OSS-Fuzz support (--enable-oss-fuzz)], $value)
2020-01-09 18:17:49 +01:00
AS_ECHO
2020-01-15 16:55:07 +01:00
PPRINT_SUBTITLE([Tracing (--enable-tracing-instrumentation-<type>)])
2020-01-09 18:17:49 +01:00
test "x$enable_tracing_instrumentation_log_debug" = "xyes" && value=1 || value=0
2020-01-15 16:55:07 +01:00
PPRINT_PROP_BOOL([Tracepoints to log_debug() (log-debug)], $value)
2020-01-09 18:17:49 +01:00
2020-01-14 20:58:09 +01:00
test "x$enable_tracing_instrumentation_usdt" = "xyes" && value=1 || value=0
2020-01-15 16:55:07 +01:00
PPRINT_PROP_BOOL([USDT Instrumentation (usdt)], $value)
2020-01-14 20:58:09 +01:00
2020-02-11 17:26:04 +01:00
test "x$enable_tracing_instrumentation_lttng" = "xyes" && value=1 || value=0
2020-01-15 16:55:07 +01:00
PPRINT_PROP_BOOL([LTTng Instrumentation (lttng)], $value)
2020-02-11 17:26:04 +01:00
2019-08-08 16:08:02 +02:00
AS_ECHO
PPRINT_SUBTITLE([Install Directories])
report_mandir="`eval eval echo $mandir`"
PPRINT_PROP_STRING([Binaries], [$BINDIR])
PPRINT_PROP_STRING([Configuration], [$CONFDIR])
PPRINT_PROP_STRING([Man Pages], [$report_mandir])
AS_ECHO
AS_ECHO(["Configure Line: ./configure $configure_flags"])
2020-09-23 16:11:36 +02:00
if test "$tor_ac_n_warnings" != "0"; then
AS_ECHO
PPRINT_WARN([
Encountered $tor_ac_n_warnings warning(s). See messages above for more info.
])
fi