mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-11-10 21:23:58 +01:00
25fa21802f
This will centralize the version configuration in one file to simplify future changes. Also fixes some typos in the Automake options comments.
1727 lines
53 KiB
Plaintext
1727 lines
53 KiB
Plaintext
dnl Copyright (c) 2001-2004, Roger Dingledine
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dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
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dnl Copyright (c) 2007-2015, The Tor Project, Inc.
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dnl See LICENSE for licensing information
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AC_PREREQ([2.63])
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AC_INIT([tor],[0.2.8.1-alpha-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
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# "1.11" means we require automake version 1.11 or newer
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# "subdir-objects" means put .o files in the same directory as the .c files
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AM_INIT_AUTOMAKE([foreign 1.11 subdir-objects])
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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AC_CONFIG_HEADERS([orconfig.h])
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AC_CANONICAL_HOST
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PKG_PROG_PKG_CONFIG
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if test -f "/etc/redhat-release"; then
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if test -f "/usr/kerberos/include"; then
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CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
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fi
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fi
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# Not a no-op; we want to make sure that CPPFLAGS is set before we use
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# the += operator on it in src/or/Makefile.am
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CPPFLAGS="$CPPFLAGS -I\${top_srcdir}/src/common"
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#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]))
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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]))
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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]))
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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,
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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]))
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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])
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fi
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AM_CONDITIONAL(UNITTESTS_ENABLED, test "x$enable_unittests" != "xno")
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AM_CONDITIONAL(COVERAGE_ENABLED, test "x$enable_coverage" = "xyes")
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AM_CONDITIONAL(UNITTESTS_ENABLED, test x$enable_unittests != xno)
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AM_CONDITIONAL(COVERAGE_ENABLED, test x$enable_coverage = xyes)
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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
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enable_static_libevent="yes";
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enable_static_openssl="yes";
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enable_static_zlib="yes";
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CFLAGS="$CFLAGS -static"
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fi
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if test "$enable_system_torrc" = "no"; then
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AC_DEFINE(DISABLE_SYSTEM_TORRC, 1,
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[Defined if we're not going to look for a torrc in SYSCONF])
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fi
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AM_CONDITIONAL(USE_OPENBSD_MALLOC, test "x$enable_openbsd_malloc" = "xyes")
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if test "x$enable_instrument_downloads" = "xyes"; then
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AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
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[Defined if we want to keep track of how much of each kind of resource we download.])
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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 "${enableval}" in
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"yes") transparent=true ;;
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"no") transparent=false ;;
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*) AC_MSG_ERROR(bad value for --enable-transparent) ;;
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esac], [transparent=true])
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AC_ARG_ENABLE(asciidoc,
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AS_HELP_STRING(--disable-asciidoc, [don't use asciidoc (disables building of manpages)]),
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[case "${enableval}" in
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"yes") asciidoc=true ;;
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"no") asciidoc=false ;;
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*) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
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esac], [asciidoc=true])
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# systemd notify support
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AC_ARG_ENABLE(systemd,
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AS_HELP_STRING(--enable-systemd, [enable systemd notification support]),
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[case "${enableval}" in
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"yes") systemd=true ;;
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"no") systemd=false ;;
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* ) AC_MSG_ERROR(bad value for --enable-systemd) ;;
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esac], [systemd=auto])
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# systemd support
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if test "x$enable_systemd" = "xno"; then
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have_systemd=no;
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else
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PKG_CHECK_MODULES(SYSTEMD,
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[libsystemd-daemon],
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have_systemd=yes,
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have_systemd=no)
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if test "x$have_systemd" = "xno"; then
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AC_MSG_NOTICE([Okay, checking for systemd a different way...])
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PKG_CHECK_MODULES(SYSTEMD,
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[libsystemd],
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have_systemd=yes,
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have_systemd=no)
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fi
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fi
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if test "x$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])
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fi
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case "$host" in
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*-*-solaris* )
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AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
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;;
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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,
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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
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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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dnl Linker hardening options
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dnl Currently these options are ELF specific - you can't use this with MacOSX
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AC_ARG_ENABLE(linker-hardening,
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AS_HELP_STRING(--disable-linker-hardening, [disable linker security fixups]))
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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
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AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
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[Defined if we default to host local appdata paths on Windows])
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fi
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# Tor2web mode flag
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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"
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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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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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dnl check for the correct "ar" when cross-compiling
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AN_MAKEVAR([AR], [AC_PROG_AR])
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AN_PROGRAM([ar], [AC_PROG_AR])
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AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL([AR], [ar], [ar])])
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AC_PROG_AR
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dnl Check whether the above macro has settled for a simply named tool even
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dnl though we're cross compiling. We must do this before running AC_PROG_CC,
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dnl because that will find any cc on the system, not only the cross-compiler,
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dnl and then verify that a binary built with this compiler runs on the
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dnl build system. It will then come to the false conclusion that we're not
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dnl cross-compiling.
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if test "x$enable_tool_name_check" != "xno"; then
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if test "x$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.)])
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fi
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fi
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_MAKE_SET
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AC_PROG_RANLIB
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AC_PATH_PROG([PERL], [perl])
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dnl autoconf 2.59 appears not to support AC_PROG_SED
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AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
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dnl check for asciidoc and a2x
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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$upnp" = "xtrue")
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AM_CONDITIONAL(NAT_PMP, test "x$natpmp" = "xtrue")
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AM_CONDITIONAL(MINIUPNPC, test "x$upnp" = "xtrue")
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AM_PROG_CC_C_O
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AC_PROG_CC_C99
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AC_ARG_VAR([PYTHON], [path to Python binary])
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AC_CHECK_PROGS(PYTHON, [python python2 python2.7 python3 python3.3])
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if test "x$PYTHON" = "x"; then
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AC_MSG_WARN([Python unavailable; some tests will not be run.])
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fi
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AM_CONDITIONAL(USEPYTHON, [test "x$PYTHON" != "x"])
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ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [
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AC_C_FLEXIBLE_ARRAY_MEMBER
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], [
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dnl Maybe we've got an old autoconf...
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AC_CACHE_CHECK([for flexible array members],
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tor_cv_c_flexarray,
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[AC_COMPILE_IFELSE(
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AC_LANG_PROGRAM([
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struct abc { int a; char b[]; };
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], [
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struct abc *def = malloc(sizeof(struct abc)+sizeof(char));
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def->b[0] = 33;
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]),
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[tor_cv_c_flexarray=yes],
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[tor_cv_c_flexarray=no])])
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if test "$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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])
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AC_CACHE_CHECK([for working C99 mid-block declaration syntax],
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tor_cv_c_c99_decl,
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([], [int x; x = 3; int y; y = 4 + x;])],
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[tor_cv_c_c99_decl=yes],
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[tor_cv_c_c99_decl=no] )])
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if test "$tor_cv_c_c99_decl" != "yes"; then
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AC_MSG_ERROR([Your compiler doesn't support c99 mid-block declarations. This is required as of Tor 0.2.6.x])
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fi
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AC_CACHE_CHECK([for working C99 designated initializers],
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tor_cv_c_c99_designated_init,
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([struct s { int a; int b; };],
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[[ struct s ss = { .b = 5, .a = 6 }; ]])],
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[tor_cv_c_c99_designated_init=yes],
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[tor_cv_c_c99_designated_init=no] )])
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if test "$tor_cv_c_c99_designated_init" != "yes"; then
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AC_MSG_ERROR([Your compiler doesn't support c99 designated initializers. This is required as of Tor 0.2.6.x])
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fi
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TORUSER=_tor
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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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[
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TORUSER=$withval
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]
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)
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AC_SUBST(TORUSER)
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TORGROUP=_tor
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AC_ARG_WITH(tor-group,
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AS_HELP_STRING(--with-tor-group=NAME, [specify group name for tor daemon]),
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[
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TORGROUP=$withval
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]
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)
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AC_SUBST(TORGROUP)
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dnl If _WIN32 is defined and non-zero, we are building for win32
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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
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#if _WIN32
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return 0;
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#else
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return 1;
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#endif
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#else
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return 2;
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#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]),
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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;}
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#else
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#error
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int main(int c, char **v) {return x(y);}
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#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]))
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fi
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AH_BOTTOM([
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#ifdef _WIN32
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/* Defined to access windows functions and definitions for >=WinXP */
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# ifndef WINVER
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# define WINVER 0x0501
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# endif
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/* Defined to access _other_ windows functions and definitions for >=WinXP */
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# ifndef _WIN32_WINNT
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# define _WIN32_WINNT 0x0501
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# endif
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/* Defined to avoid including some windows headers as part of Windows.h */
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# ifndef WIN32_LEAN_AND_MEAN
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# define WIN32_LEAN_AND_MEAN 1
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# endif
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#endif
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])
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AM_CONDITIONAL(BUILD_NT_SERVICES, test "x$bwin32" = "xtrue")
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dnl Enable C99 when compiling with MIPSpro
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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))
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#error
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return x(y);
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#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"
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fi
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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])
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AC_SEARCH_LIBS(inet_aton, [resolv])
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AC_SEARCH_LIBS(backtrace, [execinfo])
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saved_LIBS="$LIBS"
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AC_SEARCH_LIBS([clock_gettime], [rt])
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if test "$LIBS" != "$saved_LIBS"; then
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# Looks like we need -lrt for clock_gettime().
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have_rt=yes
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fi
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AC_SEARCH_LIBS(pthread_create, [pthread])
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AC_SEARCH_LIBS(pthread_detach, [pthread])
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AM_CONDITIONAL(THREADS_WIN32, test "$bwin32" = "true")
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AM_CONDITIONAL(THREADS_PTHREADS, test "$bwin32" = "false")
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AC_CHECK_FUNCS(
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_NSGetEnviron \
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RtlSecureZeroMemory \
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SecureZeroMemory \
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accept4 \
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backtrace \
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backtrace_symbols_fd \
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clock_gettime \
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eventfd \
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explicit_bzero \
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timingsafe_memcmp \
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flock \
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ftime \
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getaddrinfo \
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getentropy \
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getifaddrs \
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getpass \
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getrlimit \
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gettimeofday \
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gmtime_r \
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htonll \
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inet_aton \
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ioctl \
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issetugid \
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llround \
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localtime_r \
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lround \
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memmem \
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memset_s \
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pipe \
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pipe2 \
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prctl \
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readpassphrase \
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rint \
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sigaction \
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socketpair \
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statvfs \
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strlcat \
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strlcpy \
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strnlen \
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strptime \
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strtok_r \
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strtoull \
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sysconf \
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sysctl \
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uname \
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usleep \
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vasprintf \
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_vscprintf
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)
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if test "$bwin32" != "true"; then
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AC_CHECK_HEADERS(pthread.h)
|
|
AC_CHECK_FUNCS(pthread_create)
|
|
AC_CHECK_FUNCS(pthread_condattr_setclock)
|
|
fi
|
|
|
|
if test "$bwin32" = "true"; then
|
|
AC_CHECK_DECLS([SecureZeroMemory, _getwch], , , [
|
|
#include <windows.h>
|
|
#include <conio.h>
|
|
#include <wchar.h>
|
|
])
|
|
fi
|
|
|
|
AM_CONDITIONAL(BUILD_READPASSPHRASE_C,
|
|
test "x$ac_cv_func_readpassphrase" = "xno" && test "$bwin32" = "false")
|
|
|
|
dnl ------------------------------------------------------
|
|
dnl Where do you live, libevent? And how do we call you?
|
|
|
|
if test "$bwin32" = "true"; then
|
|
TOR_LIB_WS32=-lws2_32
|
|
TOR_LIB_IPHLPAPI=-liphlpapi
|
|
# Some of the cargo-cults recommend -lwsock32 as well, but I don't
|
|
# think it's actually necessary.
|
|
TOR_LIB_GDI=-lgdi32
|
|
else
|
|
TOR_LIB_WS32=
|
|
TOR_LIB_GDI=
|
|
fi
|
|
AC_SUBST(TOR_LIB_WS32)
|
|
AC_SUBST(TOR_LIB_GDI)
|
|
AC_SUBST(TOR_LIB_IPHLPAPI)
|
|
|
|
tor_libevent_pkg_redhat="libevent"
|
|
tor_libevent_pkg_debian="libevent-dev"
|
|
tor_libevent_devpkg_redhat="libevent-devel"
|
|
tor_libevent_devpkg_debian="libevent-dev"
|
|
|
|
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 "$enable_static_libevent" = "yes"; then
|
|
if test "$have_rt" = "yes"; then
|
|
STATIC_LIBEVENT_FLAGS=" -lrt "
|
|
fi
|
|
fi
|
|
|
|
TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32], [
|
|
#ifdef _WIN32
|
|
#include <winsock2.h>
|
|
#endif
|
|
#include <stdlib.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <event.h>], [
|
|
#ifdef _WIN32
|
|
#include <winsock2.h>
|
|
#endif
|
|
void exit(int); void *event_init(void);],
|
|
[
|
|
#ifdef _WIN32
|
|
{WSADATA d; WSAStartup(0x101,&d); }
|
|
#endif
|
|
event_init(); exit(0);
|
|
], [--with-libevent-dir], [/opt/libevent])
|
|
|
|
dnl Now check for particular libevent functions.
|
|
save_LIBS="$LIBS"
|
|
save_LDFLAGS="$LDFLAGS"
|
|
save_CPPFLAGS="$CPPFLAGS"
|
|
LIBS="-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $LIBS"
|
|
LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
|
|
CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
|
|
AC_CHECK_FUNCS([event_get_version_number \
|
|
evutil_secure_rng_set_urandom_device_file \
|
|
evutil_secure_rng_init \
|
|
])
|
|
AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
|
|
[#include <event.h>
|
|
])
|
|
|
|
AC_CHECK_HEADERS(event2/event.h event2/dns.h event2/bufferevent_ssl.h)
|
|
|
|
LIBS="$STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $save_LIBS"
|
|
|
|
AM_CONDITIONAL(USE_EXTERNAL_EVDNS,
|
|
test "x$ac_cv_header_event2_dns_h" = "xyes")
|
|
|
|
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
|
|
TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a $STATIC_LIBEVENT_FLAGS"
|
|
fi
|
|
else
|
|
if test "x$ac_cv_header_event2_event_h" = "xyes"; then
|
|
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"))
|
|
|
|
if test "$ac_cv_search_event_new" != "none required"; then
|
|
TOR_LIBEVENT_LIBS="$ac_cv_search_event_new"
|
|
fi
|
|
if test "$ac_cv_search_evdns_base_new" != "none required"; then
|
|
TOR_LIBEVENT_LIBS="$ac_cv_search_evdns_base_new $TOR_LIBEVENT_LIBS"
|
|
fi
|
|
else
|
|
TOR_LIBEVENT_LIBS="-levent"
|
|
fi
|
|
fi
|
|
|
|
LIBS="$save_LIBS"
|
|
LDFLAGS="$save_LDFLAGS"
|
|
CPPFLAGS="$save_CPPFLAGS"
|
|
|
|
dnl This isn't the best test for Libevent 2.0.3-alpha. Once it's released,
|
|
dnl we can do much better.
|
|
if test "$enable_bufferevents" = "yes"; then
|
|
if test "$ac_cv_header_event2_bufferevent_ssl_h" != "yes"; then
|
|
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.])
|
|
else
|
|
|
|
CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent"
|
|
|
|
# Check for the right version. First see if version detection works.
|
|
AC_MSG_CHECKING([whether we can detect the Libevent version])
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
|
|
#include <event2/event.h>
|
|
#if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 10
|
|
#error
|
|
int x = y(zz);
|
|
#else
|
|
int x = 1;
|
|
#endif
|
|
])], [event_version_number_works=yes; AC_MSG_RESULT([yes]) ],
|
|
[event_version_number_works=no; AC_MSG_RESULT([no])])
|
|
if test "$event_version_number_works" != "yes"; then
|
|
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])
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
|
|
#include <event2/event.h>
|
|
#if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 0x02000d00
|
|
#error
|
|
int x = y(zz);
|
|
#else
|
|
int x = 1;
|
|
#endif
|
|
])], [ AC_MSG_RESULT([yes]) ],
|
|
[ AC_MSG_RESULT([no])
|
|
AC_MSG_ERROR([Libevent does not seem new enough to support bufferevents. We require 2.0.13-stable or later]) ] )
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
LIBS="$save_LIBS"
|
|
LDFLAGS="$save_LDFLAGS"
|
|
CPPFLAGS="$save_CPPFLAGS"
|
|
|
|
AM_CONDITIONAL(USE_BUFFEREVENTS, test "$enable_bufferevents" = "yes")
|
|
if test "$enable_bufferevents" = "yes"; then
|
|
AC_DEFINE(USE_BUFFEREVENTS, 1, [Defined if we're going to use Libevent's buffered IO API])
|
|
if test "$enable_static_libevent" = "yes"; then
|
|
TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent_openssl.a $TOR_LIBEVENT_LIBS"
|
|
else
|
|
TOR_LIBEVENT_LIBS="-levent_openssl $TOR_LIBEVENT_LIBS"
|
|
fi
|
|
fi
|
|
AC_SUBST(TOR_LIBEVENT_LIBS)
|
|
|
|
dnl ------------------------------------------------------
|
|
dnl Where do you live, libm?
|
|
|
|
dnl On some platforms (Haiku/BeOS) the math library is
|
|
dnl part of libroot. In which case don't link against lm
|
|
TOR_LIB_MATH=""
|
|
save_LIBS="$LIBS"
|
|
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"
|
|
fi
|
|
LIBS="$save_LIBS"
|
|
AC_SUBST(TOR_LIB_MATH)
|
|
|
|
dnl ------------------------------------------------------
|
|
dnl Where do you live, openssl? And how do we call you?
|
|
|
|
tor_openssl_pkg_redhat="openssl"
|
|
tor_openssl_pkg_debian="libssl-dev"
|
|
tor_openssl_devpkg_redhat="openssl-devel"
|
|
tor_openssl_devpkg_debian="libssl-dev"
|
|
|
|
ALT_openssl_WITHVAL=""
|
|
AC_ARG_WITH(ssl-dir,
|
|
AS_HELP_STRING(--with-ssl-dir=PATH, [obsolete alias for --with-openssl-dir]),
|
|
[
|
|
if test "x$withval" != "xno" && test "x$withval" != "x"; then
|
|
ALT_openssl_WITHVAL="$withval"
|
|
fi
|
|
])
|
|
|
|
TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
|
|
[#include <openssl/rand.h>],
|
|
[void RAND_add(const void *buf, int num, double entropy);],
|
|
[RAND_add((void*)0,0,0); exit(0);], [],
|
|
[/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
|
|
|
|
dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
|
|
|
|
if test "$enable_static_openssl" = "yes"; then
|
|
if test "$tor_cv_library_openssl_dir" = "(system)"; then
|
|
AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
|
|
else
|
|
TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
|
|
fi
|
|
else
|
|
TOR_OPENSSL_LIBS="-lssl -lcrypto"
|
|
fi
|
|
AC_SUBST(TOR_OPENSSL_LIBS)
|
|
|
|
dnl Now check for particular openssl functions.
|
|
save_LIBS="$LIBS"
|
|
save_LDFLAGS="$LDFLAGS"
|
|
save_CPPFLAGS="$CPPFLAGS"
|
|
LIBS="$TOR_OPENSSL_LIBS $LIBS"
|
|
LDFLAGS="$TOR_LDFLAGS_openssl $LDFLAGS"
|
|
CPPFLAGS="$TOR_CPPFLAGS_openssl $CPPFLAGS"
|
|
|
|
AC_TRY_COMPILE([
|
|
#include <openssl/opensslv.h>
|
|
#if OPENSSL_VERSION_NUMBER < 0x1000000fL
|
|
#error "too old"
|
|
#endif
|
|
], [],
|
|
[ : ],
|
|
[ AC_ERROR([OpenSSL is too old. We require 1.0.0 or later. You can specify a path to a newer one with --with-openssl-dir.]) ])
|
|
|
|
AC_TRY_COMPILE([
|
|
#include <openssl/opensslv.h>
|
|
#include <openssl/evp.h>
|
|
#if defined(OPENSSL_NO_EC) || defined(OPENSSL_NO_ECDH) || defined(OPENSSL_NO_ECDSA)
|
|
#error "no ECC"
|
|
#endif
|
|
#if !defined(NID_X9_62_prime256v1) || !defined(NID_secp224r1)
|
|
#error "curves unavailable"
|
|
#endif
|
|
], [],
|
|
[ : ],
|
|
[ AC_ERROR([OpenSSL is built without full ECC support, including curves P256 and P224. You can specify a path to one with ECC support with --with-openssl-dir.]) ])
|
|
|
|
AC_CHECK_MEMBERS([struct ssl_method_st.get_cipher_by_char], , ,
|
|
[#include <openssl/ssl.h>
|
|
])
|
|
|
|
AC_CHECK_FUNCS([ \
|
|
SSL_SESSION_get_master_key \
|
|
SSL_get_server_random \
|
|
SSL_get_client_ciphers \
|
|
SSL_get_client_random \
|
|
SSL_CIPHER_find \
|
|
TLS_method
|
|
])
|
|
|
|
dnl Check if OpenSSL has scrypt implementation.
|
|
AC_CHECK_FUNCS([ EVP_PBE_scrypt ])
|
|
|
|
LIBS="$save_LIBS"
|
|
LDFLAGS="$save_LDFLAGS"
|
|
CPPFLAGS="$save_CPPFLAGS"
|
|
|
|
dnl ------------------------------------------------------
|
|
dnl Where do you live, zlib? And how do we call you?
|
|
|
|
tor_zlib_pkg_redhat="zlib"
|
|
tor_zlib_pkg_debian="zlib1g"
|
|
tor_zlib_devpkg_redhat="zlib-devel"
|
|
tor_zlib_devpkg_debian="zlib1g-dev"
|
|
|
|
TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
|
|
[#include <zlib.h>],
|
|
[const char * zlibVersion(void);],
|
|
[zlibVersion(); exit(0);], [--with-zlib-dir],
|
|
[/opt/zlib])
|
|
|
|
if test "$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)
|
|
|
|
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)
|
|
|
|
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.
|
|
|
|
all_ldflags_for_check="$TOR_LDFLAGS_zlib $TOR_LDFLAGS_openssl $TOR_LDFLAGS_libevent"
|
|
all_libs_for_check="$TOR_ZLIB_LIBS $TOR_LIB_MATH $TOR_LIBEVENT_LIBS $TOR_OPENSSL_LIBS $TOR_SYSTEMD_LIBS $TOR_LIB_WS32 $TOR_LIB_GDI $TOR_CAP_LIBS"
|
|
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
|
|
#if !defined(__clang__)
|
|
#error
|
|
#endif])], have_clang=yes, have_clang=no)
|
|
|
|
if test "x$enable_gcc_hardening" != "xno"; then
|
|
CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2"
|
|
if test "x$have_clang" = "xyes"; then
|
|
TOR_CHECK_CFLAGS(-Qunused-arguments)
|
|
fi
|
|
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])
|
|
m4_ifdef([AS_VAR_IF],[
|
|
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.)]))
|
|
)])
|
|
AS_VAR_POPDEF([can_link])
|
|
AS_VAR_POPDEF([can_compile])
|
|
TOR_CHECK_CFLAGS(-Wstack-protector)
|
|
TOR_CHECK_CFLAGS(-fwrapv)
|
|
TOR_CHECK_CFLAGS(--param ssp-buffer-size=1)
|
|
if test "$bwin32" = "false"; then
|
|
TOR_CHECK_CFLAGS(-fPIE)
|
|
TOR_CHECK_LDFLAGS(-pie, "$all_ldflags_for_check", "$all_libs_for_check")
|
|
fi
|
|
fi
|
|
|
|
if test "x$enable_expensive_hardening" = "xyes"; then
|
|
TOR_CHECK_CFLAGS([-fsanitize=address])
|
|
TOR_CHECK_CFLAGS([-fsanitize=undefined])
|
|
TOR_CHECK_CFLAGS([-fno-omit-frame-pointer])
|
|
fi
|
|
|
|
if test "x$enable_linker_hardening" != "xno"; then
|
|
TOR_CHECK_LDFLAGS(-z relro -z now, "$all_ldflags_for_check", "$all_libs_for_check")
|
|
fi
|
|
|
|
# For backtrace support
|
|
TOR_CHECK_LDFLAGS(-rdynamic)
|
|
|
|
dnl ------------------------------------------------------
|
|
dnl Now see if we have a -fomit-frame-pointer compiler option.
|
|
|
|
saved_CFLAGS="$CFLAGS"
|
|
TOR_CHECK_CFLAGS(-fomit-frame-pointer)
|
|
F_OMIT_FRAME_POINTER=''
|
|
if test "$saved_CFLAGS" != "$CFLAGS"; then
|
|
if test "x$enable_expensive_hardening" != "xyes"; then
|
|
F_OMIT_FRAME_POINTER='-fomit-frame-pointer'
|
|
fi
|
|
fi
|
|
CFLAGS="$saved_CFLAGS"
|
|
AC_SUBST(F_OMIT_FRAME_POINTER)
|
|
|
|
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)
|
|
|
|
dnl ============================================================
|
|
dnl Check for libseccomp
|
|
|
|
if test "x$enable_seccomp" != "xno"; then
|
|
AC_CHECK_HEADERS([seccomp.h])
|
|
AC_SEARCH_LIBS(seccomp_init, [seccomp])
|
|
fi
|
|
|
|
dnl ============================================================
|
|
dnl Check for libscrypt
|
|
|
|
if test "x$enable_libscrypt" != "xno"; then
|
|
AC_CHECK_HEADERS([libscrypt.h])
|
|
AC_SEARCH_LIBS(libscrypt_scrypt, [scrypt])
|
|
fi
|
|
|
|
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=
|
|
|
|
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="$tor_saved_LIBS" ])
|
|
|
|
dnl Okay, now we need to figure out which one to actually use. Fall back
|
|
dnl to curve25519-donna.c
|
|
|
|
if test "x$tor_cv_can_use_curve25519_donna_c64" != "xno"; then
|
|
build_curve25519_donna_c64=yes
|
|
use_curve25519_donna=yes
|
|
elif test "x$tor_cv_can_use_curve25519_nacl" = "xyes"; then
|
|
use_curve25519_nacl=yes
|
|
CURVE25519_LIBS=-lnacl
|
|
else
|
|
build_curve25519_donna=yes
|
|
use_curve25519_donna=yes
|
|
fi
|
|
|
|
if test "x$use_curve25519_donna" = "xyes"; then
|
|
AC_DEFINE(USE_CURVE25519_DONNA, 1,
|
|
[Defined if we should use an internal curve25519_donna{,_c64} implementation])
|
|
fi
|
|
if test "x$use_curve25519_nacl" = "xyes"; then
|
|
AC_DEFINE(USE_CURVE25519_NACL, 1,
|
|
[Defined if we should use a curve25519 from nacl])
|
|
fi
|
|
AM_CONDITIONAL(BUILD_CURVE25519_DONNA,
|
|
test "x$build_curve25519_donna" = "xyes")
|
|
AM_CONDITIONAL(BUILD_CURVE25519_DONNA_C64,
|
|
test "x$build_curve25519_donna_c64" = "xyes")
|
|
AC_SUBST(CURVE25519_LIBS)
|
|
|
|
dnl Make sure to enable support for large off_t if available.
|
|
AC_SYS_LARGEFILE
|
|
|
|
AC_CHECK_HEADERS(
|
|
assert.h \
|
|
errno.h \
|
|
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
|
|
, , 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.))
|
|
|
|
dnl These headers are not essential
|
|
|
|
AC_CHECK_HEADERS(
|
|
arpa/inet.h \
|
|
crt_externs.h \
|
|
execinfo.h \
|
|
grp.h \
|
|
ifaddrs.h \
|
|
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 \
|
|
readpassphrase.h \
|
|
stdint.h \
|
|
sys/eventfd.h \
|
|
sys/file.h \
|
|
sys/ioctl.h \
|
|
sys/limits.h \
|
|
sys/mman.h \
|
|
sys/param.h \
|
|
sys/prctl.h \
|
|
sys/resource.h \
|
|
sys/select.h \
|
|
sys/socket.h \
|
|
sys/statvfs.h \
|
|
sys/syscall.h \
|
|
sys/sysctl.h \
|
|
sys/syslimits.h \
|
|
sys/time.h \
|
|
sys/types.h \
|
|
sys/un.h \
|
|
sys/utime.h \
|
|
sys/wait.h \
|
|
syslog.h \
|
|
utime.h
|
|
)
|
|
|
|
AC_CHECK_HEADERS(sys/param.h)
|
|
|
|
AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
|
|
[#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif])
|
|
AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
|
|
[#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NET_IF_H
|
|
#include <net/if.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif])
|
|
|
|
AC_CHECK_HEADERS(linux/if.h,[],[],
|
|
[
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
])
|
|
|
|
AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
|
|
linux_netfilter_ipv4=1, linux_netfilter_ipv4=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])
|
|
|
|
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])
|
|
|
|
if test "x$transparent" = "xtrue"; then
|
|
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$transparent_ok" = "x1"; then
|
|
AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
|
|
case "$host" in
|
|
*-*-openbsd* | *-*-bitrig*)
|
|
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
|
|
|
|
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])
|
|
|
|
dnl In case we aren't given a working stdint.h, we'll need to grow our own.
|
|
dnl Watch out.
|
|
|
|
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)
|
|
AC_CHECK_SIZEOF(intptr_t)
|
|
AC_CHECK_SIZEOF(uintptr_t)
|
|
|
|
dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
|
|
|
|
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)
|
|
AC_CHECK_SIZEOF(void *)
|
|
AC_CHECK_SIZEOF(time_t)
|
|
AC_CHECK_SIZEOF(size_t)
|
|
AC_CHECK_SIZEOF(pid_t)
|
|
|
|
AC_CHECK_TYPES([uint, u_char, ssize_t])
|
|
|
|
AC_PC_FROM_UCONTEXT([:])
|
|
|
|
dnl used to include sockaddr_storage, but everybody has that.
|
|
AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
|
|
[#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
|
|
#ifdef _WIN32
|
|
#define _WIN32_WINNT 0x0501
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <winsock2.h>
|
|
#include <ws2tcpip.h>
|
|
#endif
|
|
])
|
|
AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
|
|
[#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
|
|
#ifdef _WIN32
|
|
#define _WIN32_WINNT 0x0501
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <winsock2.h>
|
|
#include <ws2tcpip.h>
|
|
#endif
|
|
])
|
|
|
|
AC_CHECK_TYPES([rlim_t], , ,
|
|
[#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_RESOURCE_H
|
|
#include <sys/resource.h>
|
|
#endif
|
|
])
|
|
|
|
AX_CHECK_SIGN([time_t],
|
|
[ : ],
|
|
[ : ], [
|
|
#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
|
|
])
|
|
|
|
if test "$ax_cv_decl_time_t_signed" = "no"; then
|
|
AC_MSG_ERROR([You have an unsigned time_t; Tor does not support that. Please tell the Tor developers about your interesting platform.])
|
|
fi
|
|
|
|
AX_CHECK_SIGN([size_t],
|
|
[ tor_cv_size_t_signed=yes ],
|
|
[ tor_cv_size_t_signed=no ], [
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
])
|
|
|
|
if test "$ax_cv_decl_size_t_signed" = "yes"; then
|
|
AC_MSG_ERROR([You have a signed size_t; that's grossly nonconformant.])
|
|
fi
|
|
|
|
AX_CHECK_SIGN([enum always],
|
|
[ AC_DEFINE(ENUM_VALS_ARE_SIGNED, 1, [Define if enum is always signed]) ],
|
|
[ : ], [
|
|
enum always { AAA, BBB, CCC };
|
|
])
|
|
|
|
AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
])
|
|
|
|
# We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
|
|
|
|
AC_CHECK_SIZEOF(cell_t)
|
|
|
|
# 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>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#ifdef HAVE_STDDEF_H
|
|
#include <stddef.h>
|
|
#endif
|
|
int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
|
|
return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
|
|
[tor_cv_null_is_zero=yes],
|
|
[tor_cv_null_is_zero=no],
|
|
[tor_cv_null_is_zero=cross])])
|
|
|
|
if test "$tor_cv_null_is_zero" = "cross"; then
|
|
# Cross-compiling; let's hope that the target isn't raving mad.
|
|
AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
|
|
fi
|
|
|
|
if test "$tor_cv_null_is_zero" != "no"; then
|
|
AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
|
|
[Define to 1 iff memset(0) sets pointers to NULL])
|
|
fi
|
|
|
|
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])])
|
|
|
|
if test "$tor_cv_dbl0_is_zero" = "cross"; then
|
|
# Cross-compiling; let's hope that the target isn't raving mad.
|
|
AC_MSG_NOTICE([Cross-compiling: we'll assume that 0.0 can be represented as a sequence of 0-valued bytes.])
|
|
fi
|
|
|
|
if test "$tor_cv_dbl0_is_zero" != "no"; then
|
|
AC_DEFINE([DOUBLE_0_REP_IS_ZERO_BYTES], 1,
|
|
[Define to 1 iff memset(0) sets doubles to 0.0])
|
|
fi
|
|
|
|
# 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])])
|
|
|
|
if test "$tor_cv_malloc_zero_works" = "cross"; then
|
|
# Cross-compiling; let's hope that the target isn't raving mad.
|
|
AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
|
|
fi
|
|
|
|
if test "$tor_cv_malloc_zero_works" = "yes"; then
|
|
AC_DEFINE([MALLOC_ZERO_WORKS], 1,
|
|
[Define to 1 iff malloc(0) returns a pointer])
|
|
fi
|
|
|
|
# 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])])
|
|
|
|
if test "$tor_cv_twos_complement" = "cross"; then
|
|
# Cross-compiling; let's hope that the target isn't raving mad.
|
|
AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
|
|
fi
|
|
|
|
if test "$tor_cv_twos_complement" != "no"; then
|
|
AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
|
|
[Define to 1 iff we represent negative integers with
|
|
two's complement])
|
|
fi
|
|
|
|
# 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])])
|
|
|
|
if test "$tor_cv_sign_extend" = "cross"; then
|
|
# Cross-compiling; let's hope that the target isn't raving mad.
|
|
AC_MSG_NOTICE([Cross-compiling: we'll assume that right-shifting negative integers causes sign-extension])
|
|
fi
|
|
|
|
if test "$tor_cv_sign_extend" != "no"; then
|
|
AC_DEFINE([RSHIFT_DOES_SIGN_EXTEND], 1,
|
|
[Define to 1 iff right-shifting a negative value performs sign-extension])
|
|
fi
|
|
|
|
# Whether we should use the dmalloc memory allocation debugging library.
|
|
AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
|
|
AC_ARG_WITH(dmalloc,
|
|
AS_HELP_STRING(--with-dmalloc, [use debug memory allocation library]),
|
|
[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 [[ $dmalloc -eq 1 ]]; then
|
|
AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
|
|
AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
|
|
AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
|
|
AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
|
|
fi
|
|
|
|
AC_ARG_WITH(tcmalloc,
|
|
AS_HELP_STRING(--with-tcmalloc, [use tcmalloc memory allocation library]),
|
|
[ tcmalloc=yes ], [ tcmalloc=no ])
|
|
|
|
if test "x$tcmalloc" = "xyes"; then
|
|
LDFLAGS="-ltcmalloc $LDFLAGS"
|
|
fi
|
|
|
|
using_custom_malloc=no
|
|
if test "x$enable_openbsd_malloc" = "xyes"; then
|
|
using_custom_malloc=yes
|
|
fi
|
|
if test "x$tcmalloc" = "xyes"; then
|
|
using_custom_malloc=yes
|
|
fi
|
|
if test "$using_custom_malloc" = "no"; then
|
|
AC_CHECK_FUNCS(mallinfo)
|
|
fi
|
|
|
|
# By default, we're going to assume we don't have mlockall()
|
|
# 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.
|
|
AC_CHECK_FUNCS(mlockall)
|
|
AC_CHECK_DECLS([mlockall], , , [
|
|
#ifdef HAVE_SYS_MMAN_H
|
|
#include <sys/mman.h>
|
|
#endif])
|
|
|
|
# Allow user to specify an alternate syslog facility
|
|
AC_ARG_WITH(syslog-facility,
|
|
AS_HELP_STRING(--with-syslog-facility=LOG, [syslog facility to use (default=LOG_DAEMON)]),
|
|
syslog_facility="$withval", syslog_facility="LOG_DAEMON")
|
|
AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
|
|
AC_SUBST(LOGFACILITY)
|
|
|
|
# Check if we have getresuid and getresgid
|
|
AC_CHECK_FUNCS(getresuid getresgid)
|
|
|
|
# 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 $MY_CFLAGS"
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
|
|
#include <netdb.h>
|
|
], [[
|
|
char *cp1, *cp2;
|
|
struct hostent *h1, *h2;
|
|
int i1, i2;
|
|
(void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
|
|
]])],[
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
|
|
[Define this if gethostbyname_r takes 6 arguments])
|
|
AC_MSG_RESULT(6)
|
|
], [
|
|
AC_TRY_COMPILE([
|
|
#include <netdb.h>
|
|
], [
|
|
char *cp1, *cp2;
|
|
struct hostent *h1;
|
|
int i1, i2;
|
|
(void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
|
|
], [
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
|
|
[Define this if gethostbyname_r takes 5 arguments])
|
|
AC_MSG_RESULT(5)
|
|
], [
|
|
AC_TRY_COMPILE([
|
|
#include <netdb.h>
|
|
], [
|
|
char *cp1;
|
|
struct hostent *h1;
|
|
struct hostent_data hd;
|
|
(void) gethostbyname_r(cp1,h1,&hd);
|
|
], [
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
|
|
[Define this if gethostbyname_r takes 3 arguments])
|
|
AC_MSG_RESULT(3)
|
|
], [
|
|
AC_MSG_RESULT(0)
|
|
])
|
|
])
|
|
])
|
|
CFLAGS=$OLD_CFLAGS
|
|
])
|
|
|
|
AC_CACHE_CHECK([whether the C compiler supports __func__],
|
|
tor_cv_have_func_macro,
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
|
|
#include <stdio.h>
|
|
int main(int c, char **v) { puts(__func__); }])],
|
|
tor_cv_have_func_macro=yes,
|
|
tor_cv_have_func_macro=no))
|
|
|
|
AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
|
|
tor_cv_have_FUNC_macro,
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
|
|
#include <stdio.h>
|
|
int main(int c, char **v) { puts(__FUNC__); }])],
|
|
tor_cv_have_FUNC_macro=yes,
|
|
tor_cv_have_FUNC_macro=no))
|
|
|
|
AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
|
|
tor_cv_have_FUNCTION_macro,
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
|
|
#include <stdio.h>
|
|
int main(int c, char **v) { puts(__FUNCTION__); }])],
|
|
tor_cv_have_FUNCTION_macro=yes,
|
|
tor_cv_have_FUNCTION_macro=no))
|
|
|
|
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
|
|
#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))
|
|
|
|
if test "$tor_cv_have_func_macro" = "yes"; then
|
|
AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
|
|
fi
|
|
|
|
if test "$tor_cv_have_FUNC_macro" = "yes"; then
|
|
AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
|
|
fi
|
|
|
|
if test "$tor_cv_have_FUNCTION_macro" = "yes"; then
|
|
AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
|
|
[Defined if the compiler supports __FUNCTION__])
|
|
fi
|
|
|
|
if test "$tor_cv_have_environ_declared" = "yes"; then
|
|
AC_DEFINE(HAVE_EXTERN_ENVIRON_DECLARED, 1,
|
|
[Defined if we have extern char **environ already declared])
|
|
fi
|
|
|
|
# $prefix stores the value of the --prefix command line option, or
|
|
# NONE if the option wasn't set. In the case that it wasn't set, make
|
|
# it be the default, so that we can use it to expand directories now.
|
|
if test "x$prefix" = "xNONE"; then
|
|
prefix=$ac_default_prefix
|
|
fi
|
|
|
|
# and similarly for $exec_prefix
|
|
if test "x$exec_prefix" = "xNONE"; then
|
|
exec_prefix=$prefix
|
|
fi
|
|
|
|
if test "x$BUILDDIR" = "x"; then
|
|
BUILDDIR=`pwd`
|
|
fi
|
|
AC_SUBST(BUILDDIR)
|
|
AH_TEMPLATE([BUILDDIR],[tor's build directory])
|
|
AC_DEFINE_UNQUOTED(BUILDDIR,"$BUILDDIR")
|
|
|
|
if test "x$CONFDIR" = "x"; then
|
|
CONFDIR=`eval echo $sysconfdir/tor`
|
|
fi
|
|
AC_SUBST(CONFDIR)
|
|
AH_TEMPLATE([CONFDIR],[tor's configuration directory])
|
|
AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
|
|
|
|
BINDIR=`eval echo $bindir`
|
|
AC_SUBST(BINDIR)
|
|
LOCALSTATEDIR=`eval echo $localstatedir`
|
|
AC_SUBST(LOCALSTATEDIR)
|
|
|
|
if test "$bwin32" = "true"; then
|
|
# 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
|
|
|
|
# Set CFLAGS _after_ all the above checks, since our warnings are stricter
|
|
# than autoconf's macros like.
|
|
if test "$GCC" = "yes"; then
|
|
# Disable GCC's strict aliasing checks. They are an hours-to-debug
|
|
# accident waiting to happen.
|
|
CFLAGS="$CFLAGS -Wall -fno-strict-aliasing"
|
|
else
|
|
# Override optimization level for non-gcc compilers
|
|
CFLAGS="$CFLAGS -O"
|
|
enable_gcc_warnings=no
|
|
enable_gcc_warnings_advisory=no
|
|
fi
|
|
|
|
# OS X Lion started deprecating the system openssl. Let's just disable
|
|
# all deprecation warnings on OS X. Also, to potentially make the binary
|
|
# a little smaller, let's enable dead_strip.
|
|
case "$host_os" in
|
|
|
|
darwin*)
|
|
CFLAGS="$CFLAGS -Wno-deprecated-declarations"
|
|
LDFLAGS="$LDFLAGS -dead_strip" ;;
|
|
esac
|
|
|
|
# Add some more warnings which we use in development but not in the
|
|
# released versions. (Some relevant gcc versions can't handle these.)
|
|
if test "x$enable_gcc_warnings" = "xyes" ||
|
|
test "x$enable_gcc_warnings_advisory" = "xyes"; then
|
|
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
|
|
#if !defined(__GNUC__) || (__GNUC__ < 4)
|
|
#error
|
|
#endif])], have_gcc4=yes, have_gcc4=no)
|
|
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
|
|
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
|
|
#error
|
|
#endif])], have_gcc42=yes, have_gcc42=no)
|
|
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
|
|
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
|
|
#error
|
|
#endif])], have_gcc43=yes, have_gcc43=no)
|
|
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
|
|
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 6)
|
|
#error
|
|
#endif])], have_gcc46=yes, have_gcc46=no)
|
|
|
|
|
|
save_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -Wshorten-64-to-32"
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], have_shorten64_flag=yes,
|
|
have_shorten64_flag=no)
|
|
CFLAGS="$save_CFLAGS"
|
|
|
|
case "$host" in
|
|
*-*-openbsd* | *-*-bitrig*)
|
|
# 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="$CFLAGS -Wno-system-headers" ;;
|
|
esac
|
|
|
|
CFLAGS="$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"
|
|
|
|
if test "x$enable_gcc_warnings" = "xyes"; then
|
|
CFLAGS="$CFLAGS -Werror"
|
|
fi
|
|
|
|
# Disabled, so we can use mallinfo(): -Waggregate-return
|
|
|
|
if test "x$have_gcc4" = "xyes"; then
|
|
# These warnings break gcc 3.3.5 and work on gcc 4.0.2
|
|
CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wold-style-definition"
|
|
fi
|
|
|
|
if test "x$have_gcc42" = "xyes"; then
|
|
# These warnings break gcc 4.0.2 and work on gcc 4.2
|
|
# XXXX020 See if any of these work with earlier versions.
|
|
CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wstrict-overflow=1"
|
|
|
|
# We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
|
|
fi
|
|
|
|
if test "x$have_gcc42" = "xyes" && test "x$have_clang" = "xno"; then
|
|
# These warnings break gcc 4.0.2 and clang, but work on gcc 4.2
|
|
CFLAGS="$CFLAGS -Wnormalized=id -Woverride-init"
|
|
fi
|
|
|
|
if test "x$have_gcc43" = "xyes"; then
|
|
# These warnings break gcc 4.2 and work on gcc 4.3
|
|
# XXXX020 See if any of these work with earlier versions.
|
|
CFLAGS="$CFLAGS -Wextra -Warray-bounds"
|
|
fi
|
|
|
|
if test "x$have_gcc46" = "xyes"; then
|
|
# 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="$CFLAGS -Wlogical-op"
|
|
fi
|
|
|
|
if test "x$have_shorten64_flag" = "xyes"; then
|
|
CFLAGS="$CFLAGS -Wshorten-64-to-32"
|
|
fi
|
|
|
|
|
|
|
|
##This will break the world on some 64-bit architectures
|
|
# CFLAGS="$CFLAGS -Winline"
|
|
fi
|
|
|
|
if test "$enable_coverage" = "yes" && test "$have_clang" = "no"; then
|
|
case "$host_os" in
|
|
darwin*)
|
|
AC_MSG_WARN([Tried to enable coverage on OSX without using the clang compiler. This might not work! If coverage fails, use CC=clang when configuring with --enable-profiling.])
|
|
esac
|
|
fi
|
|
|
|
CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
|
|
|
|
AC_CONFIG_FILES([
|
|
Doxyfile
|
|
Makefile
|
|
contrib/dist/suse/tor.sh
|
|
contrib/operator-tools/tor.logrotate
|
|
contrib/dist/tor.sh
|
|
contrib/dist/torctl
|
|
contrib/dist/tor.service
|
|
src/config/torrc.sample
|
|
src/config/torrc.minimal
|
|
scripts/maint/checkOptionDocs.pl
|
|
scripts/maint/updateVersions.pl
|
|
])
|
|
|
|
if test "x$asciidoc" = "xtrue" && test "$ASCIIDOC" = "none"; then
|
|
regular_mans="doc/tor doc/tor-gencert doc/tor-resolve doc/torify"
|
|
for file in $regular_mans ; do
|
|
if ! [[ -f "$srcdir/$file.1.in" ]] || ! [[ -f "$srcdir/$file.html.in" ]] ; then
|
|
echo "==================================";
|
|
echo;
|
|
echo "Building Tor has failed since manpages cannot be built.";
|
|
echo;
|
|
echo "You need asciidoc installed to be able to build the manpages.";
|
|
echo "To build without manpages, use the --disable-asciidoc argument";
|
|
echo "when calling configure.";
|
|
echo;
|
|
echo "==================================";
|
|
exit 1;
|
|
fi
|
|
done
|
|
fi
|
|
|
|
AC_OUTPUT
|