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
2015-01-02 20:27:39 +01:00
dnl Copyright (c) 2007-2015, 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])
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AC_INIT([tor],[0.2.8.17-dev])
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AC_CONFIG_SRCDIR([src/or/main.c])
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AC_CONFIG_MACRO_DIR([m4])
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# "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
AM_INIT_AUTOMAKE([foreign 1.11 subdir-objects])
2012-08-02 16:01:25 +02:00
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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AC_CONFIG_HEADERS([orconfig.h])
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2004-05-17 22:53:04 +02:00
AC_CANONICAL_HOST
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PKG_PROG_PKG_CONFIG
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if test -f "/etc/redhat-release"; then
if test -f "/usr/kerberos/include"; then
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CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
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fi
2004-05-26 22:23:12 +02:00
fi
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2007-08-08 16:43:30 +02:00
# Not a no-op; we want to make sure that CPPFLAGS is set before we use
# the += operator on it in src/or/Makefile.am
2009-03-09 00:18:44 +01:00
CPPFLAGS="$CPPFLAGS -I\${top_srcdir}/src/common"
2007-08-08 16:43:30 +02:00
2008-01-13 01:20:44 +01:00
#XXXX020 We should make these enabled or not, before 0.2.0.x-final
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AC_ARG_ENABLE(openbsd-malloc,
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AS_HELP_STRING(--enable-openbsd-malloc, [use malloc code from OpenBSD. Linux only]))
2008-06-02 17:09:24 +02:00
AC_ARG_ENABLE(instrument-downloads,
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AS_HELP_STRING(--enable-instrument-downloads, [instrument downloads of directory resources etc.]))
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AC_ARG_ENABLE(static-openssl,
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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,
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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,
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AS_HELP_STRING(--enable-static-zlib, [link against a static zlib library. Requires --with-zlib-dir]))
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AC_ARG_ENABLE(static-tor,
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AS_HELP_STRING(--enable-static-tor, [create an entirely static Tor binary. Requires --with-openssl-dir and --with-libevent-dir and --with-zlib-dir]))
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AC_ARG_ENABLE(unittests,
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AS_HELP_STRING(--disable-unittests, [don't build unit tests for Tor. Risky!]))
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AC_ARG_ENABLE(coverage,
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AS_HELP_STRING(--enable-coverage, [enable coverage support in the unit-test build]))
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AC_ARG_ENABLE(asserts-in-tests,
AS_HELP_STRING(--disable-asserts-in-tests, [disable tor_assert() calls in the unit tests, for branch coverage]))
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AC_ARG_ENABLE(system-torrc,
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AS_HELP_STRING(--disable-system-torrc, [don't look for a system-wide torrc file]))
2013-06-06 20:56:05 +02:00
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if test "x$enable_coverage" != "xyes" -a "x$enable_asserts_in_tests" = "xno" ; then
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AC_MSG_ERROR([Can't disable assertions outside of coverage build])
fi
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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$enable_asserts_in_tests" = "xno")
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if test "$enable_static_tor" = "yes"; then
enable_static_libevent="yes";
enable_static_openssl="yes";
enable_static_zlib="yes";
CFLAGS="$CFLAGS -static"
fi
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if test "$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
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AM_CONDITIONAL(USE_OPENBSD_MALLOC, test "x$enable_openbsd_malloc" = "xyes")
if test "x$enable_instrument_downloads" = "xyes"; then
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AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
[Defined if we want to keep track of how much of each kind of resource we download.])
fi
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AC_ARG_ENABLE(transparent,
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AS_HELP_STRING(--disable-transparent, [disable transparent proxy support]),
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[case "${enableval}" in
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"yes") transparent=true ;;
"no") transparent=false ;;
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*) AC_MSG_ERROR(bad value for --enable-transparent) ;;
esac], [transparent=true])
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AC_ARG_ENABLE(asciidoc,
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AS_HELP_STRING(--disable-asciidoc, [don't use asciidoc (disables building of manpages)]),
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[case "${enableval}" in
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"yes") asciidoc=true ;;
"no") asciidoc=false ;;
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*) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
esac], [asciidoc=true])
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# systemd notify support
AC_ARG_ENABLE(systemd,
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AS_HELP_STRING(--enable-systemd, [enable systemd notification support]),
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[case "${enableval}" in
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"yes") systemd=true ;;
"no") systemd=false ;;
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* ) AC_MSG_ERROR(bad value for --enable-systemd) ;;
esac], [systemd=auto])
# systemd support
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if test "x$enable_systemd" = "xno"; then
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have_systemd=no;
else
PKG_CHECK_MODULES(SYSTEMD,
[libsystemd-daemon],
have_systemd=yes,
have_systemd=no)
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if test "x$have_systemd" = "xno"; then
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AC_MSG_NOTICE([Okay, checking for systemd a different way...])
PKG_CHECK_MODULES(SYSTEMD,
[libsystemd],
have_systemd=yes,
have_systemd=no)
fi
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fi
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if test "x$have_systemd" = "xyes"; then
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AC_DEFINE(HAVE_SYSTEMD,1,[Have systemd])
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TOR_SYSTEMD_CFLAGS="${SYSTEMD_CFLAGS}"
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TOR_SYSTEMD_LIBS="${SYSTEMD_LIBS}"
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PKG_CHECK_MODULES(LIBSYSTEMD209, [libsystemd >= 209],
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[AC_DEFINE(HAVE_SYSTEMD_209,1,[Have systemd v209 or more])], [])
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fi
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AC_SUBST(TOR_SYSTEMD_CFLAGS)
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AC_SUBST(TOR_SYSTEMD_LIBS)
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if test "x$enable_systemd" = "xyes" -a "x$have_systemd" != "xyes" ; then
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AC_MSG_ERROR([Explicitly requested systemd support, but systemd not found])
fi
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case "$host" in
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*-*-solaris* )
AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
;;
esac
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AC_ARG_ENABLE(gcc-warnings,
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AS_HELP_STRING(--enable-gcc-warnings, [enable verbose warnings]))
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AC_ARG_ENABLE(gcc-warnings-advisory,
AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
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dnl Others suggest '/gs /safeseh /nxcompat /dynamicbase' for non-gcc on Windows
AC_ARG_ENABLE(gcc-hardening,
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AS_HELP_STRING(--disable-gcc-hardening, [disable compiler security checks]))
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AC_ARG_ENABLE(expensive-hardening,
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AS_HELP_STRING(--enable-expensive-hardening, [enable more expensive compiler hardening; makes Tor slower]))
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2009-11-07 00:45:27 +01:00
dnl Linker hardening options
dnl Currently these options are ELF specific - you can't use this with MacOSX
AC_ARG_ENABLE(linker-hardening,
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AS_HELP_STRING(--disable-linker-hardening, [disable linker security fixups]))
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2009-01-16 00:07:11 +01:00
AC_ARG_ENABLE(local-appdata,
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AS_HELP_STRING(--enable-local-appdata, [default to host local application data paths on Windows]))
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if test "$enable_local_appdata" = "yes"; then
AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
[Defined if we default to host local appdata paths on Windows])
fi
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# Tor2web mode flag
AC_ARG_ENABLE(tor2web-mode,
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AS_HELP_STRING(--enable-tor2web-mode, [support tor2web non-anonymous mode]),
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[if test "x$enableval" = "xyes"; then
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CFLAGS="$CFLAGS -D ENABLE_TOR2WEB_MODE=1"
fi])
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AC_ARG_ENABLE(bufferevents,
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AS_HELP_STRING(--enable-bufferevents, [use Libevent's buffered IO]))
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2013-10-21 19:30:38 +02:00
AC_ARG_ENABLE(tool-name-check,
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AS_HELP_STRING(--disable-tool-name-check, [check for sanely named toolchain when cross-compiling]))
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AC_ARG_ENABLE(seccomp,
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AS_HELP_STRING(--disable-seccomp, [do not attempt to use libseccomp]))
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AC_ARG_ENABLE(libscrypt,
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AS_HELP_STRING(--disable-libscrypt, [do not attempt to use libscrypt]))
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2011-09-02 17:51:49 +02:00
dnl check for the correct "ar" when cross-compiling
AN_MAKEVAR([AR], [AC_PROG_AR])
AN_PROGRAM([ar], [AC_PROG_AR])
AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL([AR], [ar], [ar])])
AC_PROG_AR
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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.
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if test "x$enable_tool_name_check" != "xno"; then
if test "x$ac_tool_warned" = "xyes"; then
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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.)])
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elif test "x$ac_ct_AR" != "x" -a "x$cross_compiling" = "xmaybe"; then
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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
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_MAKE_SET
AC_PROG_RANLIB
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2015-03-11 10:47:13 +01:00
AC_PATH_PROG([PERL], [perl])
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dnl autoconf 2.59 appears not to support AC_PROG_SED
AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
2009-01-04 03:43:05 +01:00
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dnl check for asciidoc and a2x
AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
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AC_PATH_PROGS([A2X], [a2x a2x.py], none)
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AM_CONDITIONAL(USE_ASCIIDOC, test "x$asciidoc" = "xtrue")
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AM_CONDITIONAL(USE_FW_HELPER, test "x$natpmp" = "xtrue" || test "x$upnp" = "xtrue")
AM_CONDITIONAL(NAT_PMP, test "x$natpmp" = "xtrue")
AM_CONDITIONAL(MINIUPNPC, test "x$upnp" = "xtrue")
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AM_PROG_CC_C_O
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AC_PROG_CC_C99
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2015-02-13 13:57:07 +01:00
AC_ARG_VAR([PYTHON], [path to Python binary])
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AC_CHECK_PROGS(PYTHON, [python python2 python2.7 python3 python3.3])
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if test "x$PYTHON" = "x"; then
AC_MSG_WARN([Python unavailable; some tests will not be run.])
fi
AM_CONDITIONAL(USEPYTHON, [test "x$PYTHON" != "x"])
2011-01-06 21:59:05 +01:00
ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [
AC_C_FLEXIBLE_ARRAY_MEMBER
], [
dnl Maybe we've got an old autoconf...
AC_CACHE_CHECK([for flexible array members],
tor_cv_c_flexarray,
[AC_COMPILE_IFELSE(
AC_LANG_PROGRAM([
struct abc { int a; char b[]; };
], [
struct abc *def = malloc(sizeof(struct abc)+sizeof(char));
def->b[0] = 33;
]),
[tor_cv_c_flexarray=yes],
[tor_cv_c_flexarray=no])])
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if test "$tor_cv_flexarray" = "yes"; then
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AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [], [Define to nothing if C supports flexible array members, and to 1 if it does not.])
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else
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AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [1], [Define to nothing if C supports flexible array members, and to 1 if it does not.])
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fi
])
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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
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TORUSER=_tor
AC_ARG_WITH(tor-user,
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AS_HELP_STRING(--with-tor-user=NAME, [specify username for tor daemon]),
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[
TORUSER=$withval
]
)
AC_SUBST(TORUSER)
TORGROUP=_tor
AC_ARG_WITH(tor-group,
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AS_HELP_STRING(--with-tor-group=NAME, [specify group name for tor daemon]),
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[
TORGROUP=$withval
]
)
AC_SUBST(TORGROUP)
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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])
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AC_RUN_IFELSE([AC_LANG_SOURCE([
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int main(int c, char **v) {
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#ifdef _WIN32
#if _WIN32
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return 0;
#else
return 1;
#endif
#else
return 2;
#endif
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}])],
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bwin32=true; AC_MSG_RESULT([yes]),
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bwin32=false; AC_MSG_RESULT([no]),
bwin32=cross; AC_MSG_RESULT([cross])
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)
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if test "$bwin32" = "cross"; then
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AC_MSG_CHECKING([for win32 (cross)])
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([
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#ifdef _WIN32
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int main(int c, char **v) {return 0;}
#else
#error
int main(int c, char **v) {return x(y);}
#endif
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])],
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bwin32=true; AC_MSG_RESULT([yes]),
bwin32=false; AC_MSG_RESULT([no]))
fi
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AH_BOTTOM([
#ifdef _WIN32
/* Defined to access windows functions and definitions for >=WinXP */
# ifndef WINVER
# define WINVER 0x0501
# endif
/* Defined to access _other_ windows functions and definitions for >=WinXP */
# ifndef _WIN32_WINNT
# define _WIN32_WINNT 0x0501
# endif
/* Defined to avoid including some windows headers as part of Windows.h */
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN 1
# endif
#endif
])
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AM_CONDITIONAL(BUILD_NT_SERVICES, test "x$bwin32" = "xtrue")
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2006-11-15 22:17:48 +01:00
dnl Enable C99 when compiling with MIPSpro
AC_MSG_CHECKING([for MIPSpro compiler])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [
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#if (defined(__sgi) && defined(_COMPILER_VERSION))
#error
return x(y);
#endif
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])],
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bmipspro=false; AC_MSG_RESULT(no),
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bmipspro=true; AC_MSG_RESULT(yes))
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if test "$bmipspro" = "true"; then
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CFLAGS="$CFLAGS -c99"
fi
2007-09-20 19:07:45 +02:00
AC_C_BIGENDIAN
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AC_SEARCH_LIBS(socket, [socket network])
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AC_SEARCH_LIBS(gethostbyname, [nsl])
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AC_SEARCH_LIBS(dlopen, [dl])
2006-10-06 05:27:40 +02:00
AC_SEARCH_LIBS(inet_aton, [resolv])
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AC_SEARCH_LIBS(backtrace, [execinfo])
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saved_LIBS="$LIBS"
AC_SEARCH_LIBS([clock_gettime], [rt])
if test "$LIBS" != "$saved_LIBS"; then
# Looks like we need -lrt for clock_gettime().
have_rt=yes
fi
2005-07-13 19:31:52 +02:00
2014-06-20 16:20:10 +02:00
AC_SEARCH_LIBS(pthread_create, [pthread])
AC_SEARCH_LIBS(pthread_detach, [pthread])
2005-05-17 03:51:23 +02:00
2015-02-09 09:09:00 +01:00
AM_CONDITIONAL(THREADS_WIN32, test "$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(
2012-02-14 12:21:03 +01:00
_NSGetEnviron \
2016-01-11 15:02:42 +01:00
RtlSecureZeroMemory \
SecureZeroMemory \
2011-12-22 16:52:31 +01:00
accept4 \
2013-07-19 20:09:58 +02:00
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 \
2010-11-11 20:22:48 +01:00
flock \
ftime \
getaddrinfo \
2011-12-22 16:52:31 +01:00
getifaddrs \
2015-03-01 15:35:36 +01:00
getpass \
2010-11-11 20:22:48 +01:00
getrlimit \
gettimeofday \
gmtime_r \
2016-01-03 17:27:54 +01:00
htonll \
2010-11-11 20:22:48 +01:00
inet_aton \
2011-12-22 16:52:31 +01:00
ioctl \
2012-08-16 01:26:53 +02:00
issetugid \
2012-08-09 18:21:37 +02:00
llround \
2010-11-11 20:22:48 +01:00
localtime_r \
2011-12-22 16:52:31 +01:00
lround \
2010-11-11 20:22:48 +01:00
memmem \
2016-01-07 21:53:24 +01:00
memset_s \
2013-09-25 02:43:48 +02:00
pipe \
pipe2 \
2010-11-11 20:22:48 +01:00
prctl \
2015-03-01 15:35:36 +01:00
readpassphrase \
2011-12-22 16:52:31 +01:00
rint \
2013-07-19 20:09:58 +02:00
sigaction \
2010-11-11 20:22:48 +01:00
socketpair \
2015-08-05 20:01:49 +02:00
statvfs \
2010-11-11 20:22:48 +01:00
strlcat \
strlcpy \
2014-10-13 20:59:17 +02:00
strnlen \
2010-11-11 20:22:48 +01:00
strptime \
strtok_r \
strtoull \
sysconf \
2014-04-03 17:46:01 +02:00
sysctl \
2010-11-11 20:22:48 +01:00
uname \
2013-09-28 05:15:53 +02:00
usleep \
2010-11-11 20:22:48 +01:00
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
2016-11-23 01:24:13 +01:00
# Apple messed up when they added two functions functions in Sierra: they
# forgot to decorate them with appropriate AVAILABLE_MAC_OS_VERSION
# checks. So we should only probe for those functions if we are sure that we
# are not targetting OSX 10.11 or earlier.
AC_MSG_CHECKING([for a pre-Sierra OSX build target])
AC_TRY_COMPILE([
#ifdef __APPLE__
# include <AvailabilityMacros.h>
# ifndef MAC_OS_VERSION_10_12
# define MAC_OS_VERSION_10_12 101200
# endif
# if defined(MAC_OS_X_VERSION_MIN_REQUIRED)
# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_VERSION_10_12
# error "Running on Mac OSX 10.11 or earlier"
# endif
# endif
#endif
], [],
[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
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 "$bwin32" = "true"; then
2007-05-01 04:53:32 +02:00
TOR_LIB_WS32=-lws2_32
2011-08-22 18:38:22 +02:00
TOR_LIB_IPHLPAPI=-liphlpapi
2007-05-01 04:53:32 +02:00
# Some of the cargo-cults recommend -lwsock32 as well, but I don't
# think it's actually necessary.
2007-05-01 03:36:32 +02:00
TOR_LIB_GDI=-lgdi32
2007-03-04 20:49:02 +01:00
else
2007-05-01 03:36:32 +02:00
TOR_LIB_WS32=
TOR_LIB_GDI=
2007-03-04 20:49:02 +01:00
fi
2007-05-01 03:36:32 +02:00
AC_SUBST(TOR_LIB_WS32)
AC_SUBST(TOR_LIB_GDI)
2011-08-22 18:38:22 +02:00
AC_SUBST(TOR_LIB_IPHLPAPI)
2007-03-04 20:49:02 +01:00
2007-04-11 18:28:44 +02:00
tor_libevent_pkg_redhat="libevent"
2007-05-27 17:20:38 +02:00
tor_libevent_pkg_debian="libevent-dev"
2007-04-11 18:28:44 +02:00
tor_libevent_devpkg_redhat="libevent-devel"
tor_libevent_devpkg_debian="libevent-dev"
2011-03-17 02:35:31 +01:00
dnl On Gnu/Linux or any place we require it, we'll add librt to the Libevent
dnl linking for static builds.
STATIC_LIBEVENT_FLAGS=""
if test "$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
TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32], [
2012-01-31 18:05:03 +01:00
#ifdef _WIN32
2008-05-16 21:44:57 +02:00
#include <winsock2.h>
#endif
2007-03-04 20:47:34 +01:00
#include <sys/time.h>
2006-03-19 21:36:26 +01:00
#include <sys/types.h>
2008-05-16 22:13:10 +02:00
#include <event.h>], [
2012-01-31 18:05:03 +01:00
#ifdef _WIN32
2008-05-16 22:13:10 +02:00
#include <winsock2.h>
#endif
2016-03-25 21:26:13 +01:00
void *event_init(void);],
2008-05-16 21:44:57 +02:00
[
2012-01-31 18:05:03 +01:00
#ifdef _WIN32
2008-05-16 22:13:10 +02:00
{WSADATA d; WSAStartup(0x101,&d); }
2008-05-16 21:44:57 +02:00
#endif
2016-03-25 21:26:13 +01:00
event_init();
2008-05-16 21:44:57 +02:00
], [--with-libevent-dir], [/opt/libevent])
2005-05-17 03:51:23 +02:00
2006-10-25 04:51:45 +02:00
dnl Now check for particular libevent functions.
2007-05-01 00:42:47 +02:00
save_LIBS="$LIBS"
save_LDFLAGS="$LDFLAGS"
2007-05-26 01:59:47 +02:00
save_CPPFLAGS="$CPPFLAGS"
2011-03-17 02:35:31 +01:00
LIBS="-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $LIBS"
2008-09-08 03:57:02 +02:00
LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
2007-05-26 01:59:47 +02:00
CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
2015-03-12 21:59:05 +01:00
AC_CHECK_FUNCS([event_get_version_number \
2013-09-09 21:29:19 +02:00
evutil_secure_rng_set_urandom_device_file \
2014-04-16 20:54:39 +02:00
evutil_secure_rng_init \
2015-03-12 21:59:05 +01:00
])
2009-01-07 22:05:02 +01:00
AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
[#include <event.h>
])
2014-06-20 14:47:26 +02:00
AC_CHECK_HEADERS(event2/event.h event2/dns.h event2/bufferevent_ssl.h)
2009-06-04 07:05:23 +02:00
2015-12-09 14:59:01 +01:00
LIBS="$STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $save_LIBS"
2010-01-24 21:03:45 +01:00
2016-02-04 02:28:38 +01:00
AM_CONDITIONAL(USE_EXTERNAL_EVDNS,
test "x$ac_cv_header_event2_dns_h" = "xyes")
2009-06-04 07:05:23 +02:00
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
2011-03-17 02:35:31 +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 $TOR_LIBEVENT_LIBS"
fi
else
TOR_LIBEVENT_LIBS="-levent"
fi
2010-01-24 20:34:47 +01:00
fi
2015-11-25 15:43:12 +01:00
LIBS="$save_LIBS"
LDFLAGS="$save_LDFLAGS"
CPPFLAGS="$save_CPPFLAGS"
2009-07-31 17:11:45 +02:00
dnl This isn't the best test for Libevent 2.0.3-alpha. Once it's released,
dnl we can do much better.
2016-02-04 02:28:38 +01:00
if test "$enable_bufferevents" = "yes"; then
if test "$ac_cv_header_event2_bufferevent_ssl_h" != "yes"; then
2010-10-15 02:46:19 +02:00
AC_MSG_ERROR([You've asked for bufferevent support, but you're using a version of Libevent without SSL support. This won't work. We need Libevent 2.0.8-rc or later, and you don't seem to even have Libevent 2.0.3-alpha.])
2010-09-27 19:24:19 +02:00
else
CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent"
# Check for the right version. First see if version detection works.
AC_MSG_CHECKING([whether we can detect the Libevent version])
2010-10-11 17:08:42 +02:00
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2010-09-27 19:24:19 +02:00
#include <event2/event.h>
#if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 10
#error
int x = y(zz);
#else
int x = 1;
#endif
2010-10-11 17:08:42 +02:00
])], [event_version_number_works=yes; AC_MSG_RESULT([yes]) ],
2010-09-27 19:24:19 +02:00
[event_version_number_works=no; AC_MSG_RESULT([no])])
2016-02-04 02:28:38 +01:00
if test "$event_version_number_works" != "yes"; then
2010-09-27 19:24:19 +02:00
AC_MSG_WARN([Version detection on Libevent seems broken. Your Libevent installation is probably screwed up or very old.])
else
AC_MSG_CHECKING([whether Libevent is new enough for bufferevents])
2010-10-11 17:08:42 +02:00
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
2010-09-27 19:24:19 +02:00
#include <event2/event.h>
2011-08-17 18:53:50 +02:00
#if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 0x02000d00
2010-09-27 19:24:19 +02:00
#error
int x = y(zz);
#else
int x = 1;
#endif
2010-10-11 17:08:42 +02:00
])], [ AC_MSG_RESULT([yes]) ],
2010-09-27 19:24:19 +02:00
[ AC_MSG_RESULT([no])
2011-08-17 18:53:50 +02:00
AC_MSG_ERROR([Libevent does not seem new enough to support bufferevents. We require 2.0.13-stable or later]) ] )
2010-09-27 19:24:19 +02:00
fi
fi
2009-07-31 17:11:45 +02:00
fi
2010-09-27 19:24:19 +02:00
LIBS="$save_LIBS"
LDFLAGS="$save_LDFLAGS"
CPPFLAGS="$save_CPPFLAGS"
2009-07-31 17:11:45 +02:00
AM_CONDITIONAL(USE_BUFFEREVENTS, test "$enable_bufferevents" = "yes")
if test "$enable_bufferevents" = "yes"; then
2011-05-06 15:34:00 +02:00
AC_DEFINE(USE_BUFFEREVENTS, 1, [Defined if we're going to use Libevent's buffered IO API])
if test "$enable_static_libevent" = "yes"; then
TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent_openssl.a $TOR_LIBEVENT_LIBS"
else
TOR_LIBEVENT_LIBS="-levent_openssl $TOR_LIBEVENT_LIBS"
fi
2009-07-31 17:11:45 +02:00
fi
2011-05-06 15:34:00 +02:00
AC_SUBST(TOR_LIBEVENT_LIBS)
2009-07-31 17:11:45 +02:00
2011-12-17 14:30:41 +01:00
dnl ------------------------------------------------------
dnl Where do you live, libm?
dnl On some platforms (Haiku/BeOS) the math library is
dnl part of libroot. In which case don't link against lm
TOR_LIB_MATH=""
save_LIBS="$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="$save_LIBS"
AC_SUBST(TOR_LIB_MATH)
2005-05-17 03:51:23 +02:00
dnl ------------------------------------------------------
2006-01-27 20:38:16 +01:00
dnl Where do you live, openssl? And how do we call you?
2004-03-20 21:00:58 +01:00
2007-04-11 18:28:44 +02:00
tor_openssl_pkg_redhat="openssl"
2013-09-02 20:54:50 +02:00
tor_openssl_pkg_debian="libssl-dev"
2007-04-11 18:28:44 +02:00
tor_openssl_devpkg_redhat="openssl-devel"
tor_openssl_devpkg_debian="libssl-dev"
2008-08-22 18:55:28 +02:00
ALT_openssl_WITHVAL=""
AC_ARG_WITH(ssl-dir,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--with-ssl-dir=PATH, [obsolete alias for --with-openssl-dir]),
2008-08-22 18:55:28 +02:00
[
2016-02-04 02:28:38 +01:00
if test "x$withval" != "xno" && test "x$withval" != "x"; then
2008-08-22 18:55:28 +02:00
ALT_openssl_WITHVAL="$withval"
fi
])
2007-05-01 03:36:32 +02:00
TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
2007-03-04 20:47:53 +01:00
[#include <openssl/rand.h>],
[void RAND_add(const void *buf, int num, double entropy);],
2016-03-25 21:26:13 +01:00
[RAND_add((void*)0,0,0);], [],
2007-03-04 20:47:53 +01:00
[/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
2006-01-27 20:38:16 +01:00
2007-03-04 20:49:04 +01:00
dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
2010-01-24 20:34:47 +01:00
if test "$enable_static_openssl" = "yes"; then
if test "$tor_cv_library_openssl_dir" = "(system)"; then
AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
else
2010-02-02 22:12:45 +01:00
TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
2010-01-24 20:34:47 +01:00
fi
else
2010-02-02 22:12:45 +01:00
TOR_OPENSSL_LIBS="-lssl -lcrypto"
2010-01-24 20:34:47 +01:00
fi
AC_SUBST(TOR_OPENSSL_LIBS)
2015-05-26 17:05:36 +02:00
dnl Now check for particular openssl functions.
save_LIBS="$LIBS"
save_LDFLAGS="$LDFLAGS"
save_CPPFLAGS="$CPPFLAGS"
LIBS="$TOR_OPENSSL_LIBS $LIBS"
LDFLAGS="$TOR_LDFLAGS_openssl $LDFLAGS"
CPPFLAGS="$TOR_CPPFLAGS_openssl $CPPFLAGS"
2015-09-01 15:02:12 +02:00
AC_TRY_COMPILE([
#include <openssl/opensslv.h>
#if OPENSSL_VERSION_NUMBER < 0x1000000fL
#error "too old"
#endif
], [],
2015-09-10 09:33:59 +02:00
[ : ],
2015-09-01 15:02:12 +02:00
[ AC_ERROR([OpenSSL is too old. We require 1.0.0 or later. You can specify a path to a newer one with --with-openssl-dir.]) ])
2015-09-19 16:36:55 +02:00
AC_TRY_COMPILE([
#include <openssl/opensslv.h>
#include <openssl/evp.h>
#if defined(OPENSSL_NO_EC) || defined(OPENSSL_NO_ECDH) || defined(OPENSSL_NO_ECDSA)
#error "no ECC"
#endif
#if !defined(NID_X9_62_prime256v1) || !defined(NID_secp224r1)
#error "curves unavailable"
#endif
], [],
[ : ],
[ AC_ERROR([OpenSSL is built without full ECC support, including curves P256 and P224. You can specify a path to one with ECC support with --with-openssl-dir.]) ])
2014-10-03 18:15:09 +02:00
AC_CHECK_MEMBERS([struct ssl_method_st.get_cipher_by_char], , ,
[#include <openssl/ssl.h>
])
2015-05-26 17:05:36 +02:00
AC_CHECK_FUNCS([ \
SSL_SESSION_get_master_key \
SSL_get_server_random \
SSL_get_client_ciphers \
SSL_get_client_random \
2015-06-02 19:27:55 +02:00
SSL_CIPHER_find \
2015-06-02 20:58:57 +02:00
TLS_method
2015-05-26 17:05:36 +02:00
])
2015-07-06 20:31:01 +02:00
dnl Check if OpenSSL has scrypt implementation.
AC_CHECK_FUNCS([ EVP_PBE_scrypt ])
2015-05-26 17:05:36 +02:00
LIBS="$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)
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 $TOR_LDFLAGS_libevent"
2015-11-06 19:12:44 +01:00
all_libs_for_check="$TOR_ZLIB_LIBS $TOR_LIB_MATH $TOR_LIBEVENT_LIBS $TOR_OPENSSL_LIBS $TOR_SYSTEMD_LIBS $TOR_LIB_WS32 $TOR_LIB_GDI $TOR_CAP_LIBS"
2012-06-11 17:00:48 +02:00
2012-06-13 22:37:23 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#if !defined(__clang__)
#error
#endif])], have_clang=yes, have_clang=no)
2016-02-04 02:28:38 +01:00
if test "x$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(-fwrapv)
TOR_CHECK_CFLAGS(--param ssp-buffer-size=1)
2012-06-11 18:22:48 +02:00
if test "$bwin32" = "false"; then
TOR_CHECK_CFLAGS(-fPIE)
TOR_CHECK_LDFLAGS(-pie, "$all_ldflags_for_check", "$all_libs_for_check")
fi
2012-06-11 17:00:48 +02:00
fi
2002-06-29 01:26:42 +02:00
2016-02-04 02:28:38 +01:00
if test "x$enable_expensive_hardening" = "xyes"; then
2014-04-14 23:10:34 +02:00
TOR_CHECK_CFLAGS([-fsanitize=address])
TOR_CHECK_CFLAGS([-fsanitize=undefined])
TOR_CHECK_CFLAGS([-fno-omit-frame-pointer])
fi
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
2016-02-04 02:28:38 +01:00
if test "x$enable_expensive_hardening" != "xyes"; then
2014-04-14 23:10:34 +02:00
F_OMIT_FRAME_POINTER='-fomit-frame-pointer'
fi
2013-01-30 19:08:04 +01:00
fi
CFLAGS="$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
2010-11-11 20:22:48 +01:00
AC_CHECK_HEADERS(
assert.h \
errno.h \
fcntl.h \
signal.h \
string.h \
2015-11-06 19:12:44 +01:00
sys/capability.h \
2010-11-11 20:22:48 +01:00
sys/fcntl.h \
sys/stat.h \
sys/time.h \
sys/types.h \
time.h \
unistd.h
, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
2005-01-12 07:42:32 +01:00
2003-08-11 22:50:30 +02:00
dnl These headers are not essential
2010-11-11 20:22:48 +01:00
AC_CHECK_HEADERS(
arpa/inet.h \
2012-02-14 12:21:03 +01:00
crt_externs.h \
2013-07-19 20:09:58 +02:00
execinfo.h \
2010-11-11 20:22:48 +01:00
grp.h \
2011-12-22 16:52:31 +01:00
ifaddrs.h \
2010-11-11 20:22:48 +01:00
inttypes.h \
limits.h \
linux/types.h \
machine/limits.h \
malloc.h \
malloc/malloc.h \
malloc_np.h \
netdb.h \
netinet/in.h \
netinet/in6.h \
pwd.h \
2015-03-01 15:35:36 +01:00
readpassphrase.h \
2010-11-11 20:22:48 +01:00
stdint.h \
2013-09-25 02:43:48 +02:00
sys/eventfd.h \
2010-11-11 20:22:48 +01:00
sys/file.h \
sys/ioctl.h \
sys/limits.h \
sys/mman.h \
sys/param.h \
sys/prctl.h \
sys/resource.h \
2014-04-30 18:48:46 +02:00
sys/select.h \
2010-11-11 20:22:48 +01:00
sys/socket.h \
2015-08-05 20:01:49 +02:00
sys/statvfs.h \
2015-11-26 16:21:50 +01:00
sys/syscall.h \
2014-04-03 17:46:01 +02:00
sys/sysctl.h \
2010-11-11 20:22:48 +01:00
sys/syslimits.h \
sys/time.h \
sys/types.h \
sys/un.h \
sys/utime.h \
sys/wait.h \
syslog.h \
utime.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])
2016-02-04 02:28:38 +01:00
if test "x$transparent" = "xtrue"; then
2006-08-10 11:01:46 +02:00
transparent_ok=0
2016-02-04 02:28:38 +01:00
if test "x$net_if_found" = "x1" && test "x$net_pfvar_found" = "x1"; then
2006-08-10 11:01:46 +02:00
transparent_ok=1
fi
2016-02-04 02:28:38 +01:00
if test "x$linux_netfilter_ipv4" = "x1"; then
2006-08-10 11:01:46 +02:00
transparent_ok=1
fi
2016-02-04 02:28:38 +01:00
if test "x$linux_netfilter_ipv6_ip6_tables" = "x1"; then
2014-12-23 16:51:33 +01:00
transparent_ok=1
fi
2016-02-04 02:28:38 +01:00
if test "x$transparent_ok" = "x1"; then
2006-08-10 11:01:46 +02:00
AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
2016-02-04 02:28:38 +01:00
case "$host" in
2012-10-04 16:56:33 +02:00
*-*-openbsd* | *-*-bitrig*)
2006-08-10 11:01:46 +02:00
AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
esac
else
AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
fi
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
dnl In case we aren't given a working stdint.h, we'll need to grow our own.
dnl Watch out.
2003-08-12 01:21:51 +02:00
AC_CHECK_SIZEOF(int8_t)
AC_CHECK_SIZEOF(int16_t)
AC_CHECK_SIZEOF(int32_t)
AC_CHECK_SIZEOF(int64_t)
AC_CHECK_SIZEOF(uint8_t)
AC_CHECK_SIZEOF(uint16_t)
AC_CHECK_SIZEOF(uint32_t)
AC_CHECK_SIZEOF(uint64_t)
2004-05-05 22:26:35 +02:00
AC_CHECK_SIZEOF(intptr_t)
AC_CHECK_SIZEOF(uintptr_t)
2003-08-12 01:21:51 +02:00
2004-05-05 22:26:35 +02:00
dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
2003-08-11 22:50:30 +02:00
2003-08-11 22:40:21 +02:00
AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
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)
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
2005-02-03 08:25:10 +01:00
# Whether we should use the dmalloc memory allocation debugging library.
2005-02-03 08:26:12 +01:00
AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
2005-02-03 08:25:10 +01:00
AC_ARG_WITH(dmalloc,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--with-dmalloc, [use debug memory allocation library]),
2005-02-03 08:25:10 +01:00
[if [[ "$withval" = "yes" ]]; then
dmalloc=1
AC_MSG_RESULT(yes)
else
dmalloc=1
AC_MSG_RESULT(no)
fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
)
if [[ $dmalloc -eq 1 ]]; then
2005-02-03 08:29:52 +01:00
AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
2005-10-24 20:37:45 +02:00
AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
2005-02-03 08:25:10 +01:00
AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
2007-11-30 20:02:56 +01:00
AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
2005-02-03 08:25:10 +01:00
fi
2008-02-17 20:26:55 +01:00
AC_ARG_WITH(tcmalloc,
2015-02-19 09:34:14 +01:00
AS_HELP_STRING(--with-tcmalloc, [use tcmalloc memory allocation library]),
2008-02-17 20:26:55 +01:00
[ tcmalloc=yes ], [ tcmalloc=no ])
2016-02-04 02:28:38 +01:00
if test "x$tcmalloc" = "xyes"; then
2008-02-17 20:26:55 +01:00
LDFLAGS="-ltcmalloc $LDFLAGS"
fi
2012-08-13 19:27:32 +02:00
using_custom_malloc=no
2016-02-04 02:28:38 +01:00
if test "x$enable_openbsd_malloc" = "xyes"; then
2012-08-13 19:27:32 +02:00
using_custom_malloc=yes
fi
2016-02-04 02:28:38 +01:00
if test "x$tcmalloc" = "xyes"; then
2012-08-13 19:27:32 +02:00
using_custom_malloc=yes
fi
2016-02-04 02:28:38 +01:00
if test "$using_custom_malloc" = "no"; then
2012-08-13 19:27:32 +02:00
AC_CHECK_FUNCS(mallinfo)
fi
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 $MY_CFLAGS"
2010-10-11 11:55:30 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
2005-02-22 05:50:31 +01:00
#include <netdb.h>
2007-03-04 20:52:39 +01:00
], [[
2005-02-22 05:50:31 +01:00
char *cp1, *cp2;
struct hostent *h1, *h2;
int i1, i2;
(void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
2010-10-11 11:55:30 +02:00
]])],[
2005-02-22 05:50:31 +01:00
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
[Define this if gethostbyname_r takes 6 arguments])
AC_MSG_RESULT(6)
], [
AC_TRY_COMPILE([
#include <netdb.h>
], [
char *cp1, *cp2;
struct hostent *h1;
int i1, i2;
(void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
], [
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
[Define this if gethostbyname_r takes 5 arguments])
AC_MSG_RESULT(5)
], [
AC_TRY_COMPILE([
#include <netdb.h>
], [
char *cp1;
struct hostent *h1;
struct hostent_data hd;
(void) gethostbyname_r(cp1,h1,&hd);
], [
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
[Define this if gethostbyname_r takes 3 arguments])
AC_MSG_RESULT(3)
], [
AC_MSG_RESULT(0)
])
])
])
CFLAGS=$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
2012-02-19 16:09:08 +01:00
AC_CACHE_CHECK([whether we have extern char **environ already declared],
tor_cv_have_environ_declared,
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
/* We define _GNU_SOURCE here because it is also defined in compat.c.
* Without it environ doesn't get declared. */
#define _GNU_SOURCE
2012-04-30 18:48:33 +02:00
#ifdef HAVE_UNISTD_H
2012-02-19 16:09:08 +01:00
#include <unistd.h>
2012-04-30 18:48:33 +02:00
#endif
#include <stdlib.h>
2012-02-19 16:09:08 +01:00
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 "$tor_cv_have_FUNCTION_macro" = "yes"; then
2006-03-13 01:25:36 +01:00
AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
[Defined if the compiler supports __FUNCTION__])
fi
2016-02-04 02:28:38 +01:00
if test "$tor_cv_have_environ_declared" = "yes"; then
2012-04-30 18:52:16 +02:00
AC_DEFINE(HAVE_EXTERN_ENVIRON_DECLARED, 1,
2012-02-19 16:09:08 +01:00
[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,"$BUILDDIR")
2006-09-24 23:45:02 +02:00
if test "x$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="$CFLAGS -O"
2006-10-08 23:05:11 +02:00
enable_gcc_warnings=no
2010-01-24 19:32:41 +01:00
enable_gcc_warnings_advisory=no
2006-03-27 02:43:39 +02:00
fi
2006-10-08 23:05:11 +02:00
2011-08-10 19:22:41 +02:00
# OS X Lion started deprecating the system openssl. Let's just disable
2012-01-20 23:13:35 +01:00
# all deprecation warnings on OS X. Also, to potentially make the binary
# a little smaller, let's enable dead_strip.
2011-08-10 19:22:41 +02:00
case "$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
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.)
2016-02-04 02:28:38 +01:00
if test "x$enable_gcc_warnings" = "xyes" ||
test "x$enable_gcc_warnings_advisory" = "xyes"; then
2006-10-11 01:46:51 +02:00
2010-10-11 11:55:30 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
2006-10-11 01:46:47 +02:00
#if !defined(__GNUC__) || (__GNUC__ < 4)
#error
2010-10-11 11:55:30 +02:00
#endif])], have_gcc4=yes, have_gcc4=no)
2006-10-11 01:46:47 +02:00
2010-10-11 11:55:30 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
2007-05-18 23:30:23 +02:00
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
2007-05-15 23:17:48 +02:00
#error
2010-10-11 11:55:30 +02:00
#endif])], have_gcc42=yes, have_gcc42=no)
2007-05-15 23:17:48 +02:00
2010-10-11 11:55:30 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
2008-03-21 20:18:54 +01:00
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
#error
2010-10-11 11:55:30 +02:00
#endif])], have_gcc43=yes, have_gcc43=no)
2008-03-21 20:18:54 +01:00
2013-10-31 16:57:50 +01:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 6)
#error
#endif])], have_gcc46=yes, have_gcc46=no)
2008-02-21 21:54:45 +01:00
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wshorten-64-to-32"
2010-10-11 11:55:30 +02:00
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], have_shorten64_flag=yes,
2008-02-21 21:54:45 +01:00
have_shorten64_flag=no)
CFLAGS="$save_CFLAGS"
2016-02-04 02:28:38 +01:00
case "$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="$CFLAGS -Wno-system-headers" ;;
esac
2010-11-11 20:22:48 +01:00
CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith"
CFLAGS="$CFLAGS -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings"
CFLAGS="$CFLAGS -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2"
CFLAGS="$CFLAGS -Wwrite-strings -Wmissing-declarations -Wredundant-decls"
CFLAGS="$CFLAGS -Wnested-externs -Wbad-function-cast -Wswitch-enum"
2016-02-04 02:28:38 +01:00
if test "x$enable_gcc_warnings" = "xyes"; then
2010-01-24 19:32:41 +01:00
CFLAGS="$CFLAGS -Werror"
fi
2008-03-21 20:18:54 +01:00
2007-07-30 20:14:14 +02:00
# Disabled, so we can use mallinfo(): -Waggregate-return
2006-10-11 01:46:47 +02:00
2016-02-04 02:28:38 +01:00
if test "x$have_gcc4" = "xyes"; then
2006-10-11 01:46:47 +02:00
# These warnings break gcc 3.3.5 and work on gcc 4.0.2
2014-09-25 17:20:04 +02:00
CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wold-style-definition"
2006-10-11 01:46:47 +02:00
fi
2006-10-11 01:46:51 +02:00
2016-02-04 02:28:38 +01:00
if test "x$have_gcc42" = "xyes"; then
2007-05-15 23:17:48 +02:00
# These warnings break gcc 4.0.2 and work on gcc 4.2
# XXXX020 See if any of these work with earlier versions.
2011-03-09 20:05:51 +01:00
CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wstrict-overflow=1"
2008-03-21 20:18:54 +01:00
# We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
fi
2016-02-04 02:28:38 +01:00
if test "x$have_gcc42" = "xyes" && test "x$have_clang" = "xno"; then
2011-03-09 20:05:51 +01:00
# These warnings break gcc 4.0.2 and clang, but work on gcc 4.2
CFLAGS="$CFLAGS -Wnormalized=id -Woverride-init"
fi
2016-02-04 02:28:38 +01:00
if test "x$have_gcc43" = "xyes"; then
2008-03-21 20:18:54 +01:00
# These warnings break gcc 4.2 and work on gcc 4.3
# XXXX020 See if any of these work with earlier versions.
2013-10-31 16:57:50 +01:00
CFLAGS="$CFLAGS -Wextra -Warray-bounds"
fi
2016-02-04 02:28:38 +01:00
if test "x$have_gcc46" = "xyes"; then
2013-10-31 16:57:50 +01:00
# 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="$CFLAGS -Wlogical-op"
2007-05-15 23:17:48 +02:00
fi
2016-02-04 02:28:38 +01:00
if test "x$have_shorten64_flag" = "xyes"; then
2008-02-21 21:54:45 +01:00
CFLAGS="$CFLAGS -Wshorten-64-to-32"
fi
2013-10-31 16:57:50 +01:00
2006-10-11 01:46:51 +02:00
##This will break the world on some 64-bit architectures
# CFLAGS="$CFLAGS -Winline"
2006-10-08 23:05:11 +02:00
fi
2004-11-02 04:02:17 +01:00
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 "$host_os" in
darwin*)
AC_MSG_WARN([Tried to enable coverage on OSX without using the clang compiler. This might not work! If coverage fails, use CC=clang when configuring with --enable-profiling.])
esac
fi
2008-02-21 21:54:45 +01:00
2007-05-26 01:59:47 +02:00
CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
2010-11-11 20:22:48 +01:00
AC_CONFIG_FILES([
Doxyfile
Makefile
2014-04-28 17:59:55 +02:00
contrib/dist/suse/tor.sh
contrib/operator-tools/tor.logrotate
contrib/dist/tor.sh
contrib/dist/torctl
2014-04-29 18:15:40 +02:00
contrib/dist/tor.service
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src/config/torrc.sample
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src/config/torrc.minimal
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scripts/maint/checkOptionDocs.pl
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scripts/maint/updateVersions.pl
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])
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if test "x$asciidoc" = "xtrue" && test "$ASCIIDOC" = "none"; then
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regular_mans="doc/tor doc/tor-gencert doc/tor-resolve doc/torify"
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for file in $regular_mans ; do
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if ! [[ -f "$srcdir/$file.1.in" ]] || ! [[ -f "$srcdir/$file.html.in" ]] ; then
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echo "==================================";
echo;
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echo "Building Tor has failed since manpages cannot be built.";
echo;
echo "You need asciidoc installed to be able to build the manpages.";
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echo "To build without manpages, use the --disable-asciidoc argument";
echo "when calling configure.";
echo;
echo "==================================";
exit 1;
fi
done
fi
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AC_OUTPUT