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configure.ac
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dnl Copyright (c) 2001-2004, Roger Dingledine
dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
dnl Copyright (c) 2007-2019, The Tor Project, Inc.
dnl See LICENSE for licensing information
AC_PREREQ([2.63])
AC_INIT([tor],[0.4.4.0-alpha-dev])
AC_CONFIG_SRCDIR([src/app/main/tor_main.c])
AC_CONFIG_MACRO_DIR([m4])
configure_flags="$*"
# DO NOT EDIT THIS DEFINITION BY HAND UNLESS YOU KNOW WHAT YOU'RE DOING.
#
# The update_versions.py script updates this definition when the
# version number changes. Tor uses it to make sure that it
# only shuts down for missing "required protocols" when those protocols
# are listed as required by a consensus after this date.
AC_DEFINE(APPROX_RELEASE_DATE, ["2020-02-11"], # for 0.4.4.0-alpha-dev
[Approximate date when this software was released. (Updated when the version changes.)])
# "foreign" means we don't follow GNU package layout standards
# "1.11" means we require automake version 1.11 or newer
# "subdir-objects" means put .o files in the same directory as the .c files
AM_INIT_AUTOMAKE([foreign 1.11 subdir-objects -Wall -Werror])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_CONFIG_HEADERS([orconfig.h])
AC_USE_SYSTEM_EXTENSIONS
AC_CANONICAL_HOST
PKG_PROG_PKG_CONFIG
if test "x$PKG_CONFIG" = "x" ; then
pkg_config_user_action="install pkg-config, and check the PKG_CONFIG_PATH environment variable"
AC_MSG_NOTICE([Some libraries need pkg-config, including systemd, nss, lzma, zstd, and custom mallocs.])
AC_MSG_NOTICE([To use those libraries, $pkg_config_user_action.])
else
pkg_config_user_action="check the PKG_CONFIG_PATH environment variable"
fi
if test "x$PKG_CONFIG_PATH" = "x" && test "x$prefix" != "xNONE" && test "$host" != "$build"; then
export PKG_CONFIG_PATH=$prefix/lib/pkgconfig
AC_MSG_NOTICE([set PKG_CONFIG_PATH=$PKG_CONFIG_PATH to support cross-compiling])
fi
AC_ARG_ENABLE(openbsd-malloc,
AS_HELP_STRING(--enable-openbsd-malloc, [use malloc code from OpenBSD. Linux only. Deprecated: see --with-malloc]))
AC_ARG_ENABLE(static-openssl,
AS_HELP_STRING(--enable-static-openssl, [link against a static openssl library. Requires --with-openssl-dir]))
AC_ARG_ENABLE(static-libevent,
AS_HELP_STRING(--enable-static-libevent, [link against a static libevent library. Requires --with-libevent-dir]))
AC_ARG_ENABLE(static-zlib,
AS_HELP_STRING(--enable-static-zlib, [link against a static zlib library. Requires --with-zlib-dir]))
AC_ARG_ENABLE(static-tor,
AS_HELP_STRING(--enable-static-tor, [create an entirely static Tor binary. Requires --with-openssl-dir and --with-libevent-dir and --with-zlib-dir]))
AC_ARG_ENABLE(unittests,
AS_HELP_STRING(--disable-unittests, [don't build unit tests for Tor. Risky!]))
AC_ARG_ENABLE(coverage,
AS_HELP_STRING(--enable-coverage, [enable coverage support in the unit-test build]))
AC_ARG_ENABLE(asserts-in-tests,
AS_HELP_STRING(--disable-asserts-in-tests, [disable tor_assert() calls in the unit tests, for branch coverage]))
AC_ARG_ENABLE(system-torrc,
AS_HELP_STRING(--disable-system-torrc, [don't look for a system-wide torrc file]))
AC_ARG_ENABLE(libfuzzer,
AS_HELP_STRING(--enable-libfuzzer, [build extra fuzzers based on 'libfuzzer']))
AC_ARG_ENABLE(oss-fuzz,
AS_HELP_STRING(--enable-oss-fuzz, [build extra fuzzers based on 'oss-fuzz' environment]))
AC_ARG_ENABLE(memory-sentinels,
AS_HELP_STRING(--disable-memory-sentinels, [disable code that tries to prevent some kinds of memory access bugs. For fuzzing only.]))
AC_ARG_ENABLE(rust,
AS_HELP_STRING(--enable-rust, [enable rust integration]))
AC_ARG_ENABLE(cargo-online-mode,
AS_HELP_STRING(--enable-cargo-online-mode, [Allow cargo to make network requests to fetch crates. For builds with rust only.]))
AC_ARG_ENABLE(restart-debugging,
AS_HELP_STRING(--enable-restart-debugging, [Build Tor with support for debugging in-process restart. Developers only.]))
AC_ARG_ENABLE(zstd-advanced-apis,
AS_HELP_STRING(--disable-zstd-advanced-apis, [Build without support for zstd's "static-only" APIs.]))
AC_ARG_ENABLE(nss,
AS_HELP_STRING(--enable-nss, [Use Mozilla's NSS TLS library. (EXPERIMENTAL)]))
AC_ARG_ENABLE(pic,
AS_HELP_STRING(--enable-pic, [Build Tor's binaries as position-independent code, suitable to link as a library.]))
AC_ARG_ENABLE(missing-doc-warnings,
AS_HELP_STRING(--enable-missing-doc-warnings, [Tell doxygen to warn about missing documentation. Makes doxygen warnings nonfatal.]))
if test "$enable_missing_doc_warnings" = "yes"; then
DOXYGEN_FATAL_WARNINGS=NO
DOXYGEN_WARN_ON_MISSING=YES
elif test "$enable_fatal_warnings" = "yes"; then
# Fatal warnings from doxygen are nice, but not if we're warning about
# missing documentation.
DOXYGEN_FATAL_WARNINGS=YES
DOXYGEN_WARN_ON_MISSING=NO
else
DOXYGEN_FATAL_WARNINGS=NO
DOXYGEN_WARN_ON_MISSING=NO
fi
AC_SUBST(DOXYGEN_FATAL_WARNINGS)
AC_SUBST(DOXYGEN_WARN_ON_MISSING)
if test "x$enable_coverage" != "xyes" -a "x$enable_asserts_in_tests" = "xno" ; then
AC_MSG_ERROR([Can't disable assertions outside of coverage build])
fi
AM_CONDITIONAL(UNITTESTS_ENABLED, test "x$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")
AM_CONDITIONAL(LIBFUZZER_ENABLED, test "x$enable_libfuzzer" = "xyes")
AM_CONDITIONAL(OSS_FUZZ_ENABLED, test "x$enable_oss_fuzz" = "xyes")
AM_CONDITIONAL(USE_RUST, test "x$enable_rust" = "xyes")
AM_CONDITIONAL(USE_NSS, test "x$enable_nss" = "xyes")
AM_CONDITIONAL(USE_OPENSSL, test "x$enable_nss" != "xyes")
if test "x$enable_nss" = "xyes"; then
AC_DEFINE(ENABLE_NSS, 1,
[Defined if we're building with NSS.])
else
AC_DEFINE(ENABLE_OPENSSL, 1,
[Defined if we're building with OpenSSL or LibreSSL])
fi
if test "$enable_static_tor" = "yes"; then
enable_static_libevent="yes";
enable_static_openssl="yes";
enable_static_zlib="yes";
CFLAGS="$CFLAGS -static"
fi
if test "$enable_system_torrc" = "no"; then
AC_DEFINE(DISABLE_SYSTEM_TORRC, 1,
[Defined if we're not going to look for a torrc in SYSCONF])
fi
if test "$enable_memory_sentinels" = "no"; then
AC_DEFINE(DISABLE_MEMORY_SENTINELS, 1,
[Defined if we're turning off memory safety code to look for bugs])
fi
AC_ARG_ENABLE(manpage,
AS_HELP_STRING(--disable-manpage, [Disable manpage generation.]))
AC_ARG_ENABLE(html-manual,
AS_HELP_STRING(--disable-html-manual, [Disable HTML documentation.]))
AC_ARG_ENABLE(asciidoc,
AS_HELP_STRING(--disable-asciidoc, [don't use asciidoc (disables building of manpages)]),
[case "${enableval}" in
"yes") asciidoc=true ;;
"no") asciidoc=false ;;
*) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
esac], [asciidoc=true])
# systemd notify support
AC_ARG_ENABLE(systemd,
AS_HELP_STRING(--enable-systemd, [enable systemd notification support]),
[case "${enableval}" in
"yes") systemd=true ;;
"no") systemd=false ;;
* ) AC_MSG_ERROR(bad value for --enable-systemd) ;;
esac], [systemd=auto])
if test "$enable_restart_debugging" = "yes"; then
AC_DEFINE(ENABLE_RESTART_DEBUGGING, 1,
[Defined if we're building with support for in-process restart debugging.])
fi
if test "$enable_zstd_advanced_apis" != "no"; then
AC_DEFINE(ENABLE_ZSTD_ADVANCED_APIS, 1,
[Defined if we're going to try to use zstd's "static-only" APIs.])
fi
# systemd support
if test "x$enable_systemd" = "xno"; then
have_systemd=no;
else
PKG_CHECK_MODULES(SYSTEMD,
[libsystemd-daemon],
have_systemd=yes,
have_systemd=no)
if test "x$have_systemd" = "xno"; then
AC_MSG_NOTICE([Okay, checking for systemd a different way...])
PKG_CHECK_MODULES(SYSTEMD,
[libsystemd],
have_systemd=yes,
have_systemd=no)
fi
fi
if test "x$have_systemd" = "xyes"; then
AC_DEFINE(HAVE_SYSTEMD,1,[Have systemd])
TOR_SYSTEMD_CFLAGS="${SYSTEMD_CFLAGS}"
TOR_SYSTEMD_LIBS="${SYSTEMD_LIBS}"
PKG_CHECK_MODULES(LIBSYSTEMD209, [libsystemd >= 209],
[AC_DEFINE(HAVE_SYSTEMD_209,1,[Have systemd v209 or greater])], [])
fi
AC_SUBST(TOR_SYSTEMD_CFLAGS)
AC_SUBST(TOR_SYSTEMD_LIBS)
if test "x$enable_systemd" = "xyes" -a "x$have_systemd" != "xyes" ; then
AC_MSG_ERROR([Explicitly requested systemd support, but systemd not found, $pkg_config_user_action, or set SYSTEMD_CFLAGS and SYSTEMD_LIBS.])
fi
case "$host" in
*-*-solaris* )
AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
;;
esac
AC_ARG_ENABLE(gcc-warnings,
AS_HELP_STRING(--enable-gcc-warnings, [deprecated alias for enable-fatal-warnings]))
AC_ARG_ENABLE(fatal-warnings,
AS_HELP_STRING(--enable-fatal-warnings, [tell the compiler to treat all warnings as errors.]))
AC_ARG_ENABLE(gcc-warnings-advisory,
AS_HELP_STRING(--disable-gcc-warnings-advisory, [disable the regular verbose warnings]))
dnl Others suggest '/gs /safeseh /nxcompat /dynamicbase' for non-gcc on Windows
AC_ARG_ENABLE(gcc-hardening,
AS_HELP_STRING(--disable-gcc-hardening, [disable compiler security checks]))
dnl Deprecated --enable-expensive-hardening but keep it for now for backward compat.
AC_ARG_ENABLE(expensive-hardening,
AS_HELP_STRING(--enable-expensive-hardening, [enable more fragile and expensive compiler hardening; makes Tor slower]))
AC_ARG_ENABLE(fragile-hardening,
AS_HELP_STRING(--enable-fragile-hardening, [enable more fragile and expensive compiler hardening; makes Tor slower]))
if test "x$enable_expensive_hardening" = "xyes" || test "x$enable_fragile_hardening" = "xyes"; then
fragile_hardening="yes"
AC_DEFINE(DEBUG_SMARTLIST, 1, [Enable smartlist debugging])
fi
dnl Linker hardening options
dnl Currently these options are ELF specific - you can't use this with MacOSX
AC_ARG_ENABLE(linker-hardening,
AS_HELP_STRING(--disable-linker-hardening, [disable linker security fixups]))
AC_ARG_ENABLE(local-appdata,
AS_HELP_STRING(--enable-local-appdata, [default to host local application data paths on Windows]))
if test "$enable_local_appdata" = "yes"; then
AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
[Defined if we default to host local appdata paths on Windows])
fi
AC_ARG_ENABLE(tool-name-check,
AS_HELP_STRING(--disable-tool-name-check, [check for sanely named toolchain when cross-compiling]))
AC_ARG_ENABLE(seccomp,
AS_HELP_STRING(--disable-seccomp, [do not attempt to use libseccomp]))
AC_ARG_ENABLE(libscrypt,
AS_HELP_STRING(--disable-libscrypt, [do not attempt to use libscrypt]))
dnl Enable event tracing which are transformed to debug log statement.
AC_ARG_ENABLE(event-tracing-debug,
AS_HELP_STRING(--enable-event-tracing-debug, [build with event tracing to debug log]))
AM_CONDITIONAL([USE_EVENT_TRACING_DEBUG], [test "x$enable_event_tracing_debug" = "xyes"])
if test x$enable_event_tracing_debug = xyes; then
AC_DEFINE([USE_EVENT_TRACING_DEBUG], [1], [Tracing framework to log debug])
AC_DEFINE([TOR_EVENT_TRACING_ENABLED], [1], [Compile the event tracing instrumentation])
fi
dnl Enable Android only features.
AC_ARG_ENABLE(android,
AS_HELP_STRING(--enable-android, [build with Android features enabled]))
AM_CONDITIONAL([USE_ANDROID], [test "x$enable_android" = "xyes"])
if test "x$enable_android" = "xyes"; then
AC_DEFINE([USE_ANDROID], [1], [Compile with Android specific features enabled])
dnl Check if the Android log library is available.
AC_CHECK_HEADERS([android/log.h])
AC_SEARCH_LIBS(__android_log_write, [log])
fi
dnl ---
dnl Tor modules options. These options are namespaced with --disable-module-XXX
dnl ---
dnl All our modules.
m4_define(MODULES, relay dirauth dircache)
dnl Relay module.
AC_ARG_ENABLE([module-relay],
AS_HELP_STRING([--disable-module-relay],
[Build tor without the Relay modules: tor can not run as a relay, bridge, or authority. Implies --disable-module-dirauth]))
AM_CONDITIONAL(BUILD_MODULE_RELAY, [test "x$enable_module_relay" != "xno"])
AM_COND_IF(BUILD_MODULE_RELAY,
AC_DEFINE([HAVE_MODULE_RELAY], [1],
[Compile with Relay feature support]))
dnl Dircache module. (This cannot be enabled or disabled independently of
dnl the relay module. It is not listed by --list-modules for this reason.)
AM_CONDITIONAL(BUILD_MODULE_DIRCACHE,
[test "x$enable_module_relay" != "xno"])
AM_COND_IF(BUILD_MODULE_DIRCACHE,
AC_DEFINE([HAVE_MODULE_DIRCACHE], [1],
[Compile with directory cache support]))
dnl Directory Authority module.
AC_ARG_ENABLE([module-dirauth],
AS_HELP_STRING([--disable-module-dirauth],
[Build tor without the Directory Authority module: tor can not run as a directory authority or bridge authority]))
AM_CONDITIONAL(BUILD_MODULE_DIRAUTH,[test "x$enable_module_dirauth" != "xno" && test "x$enable_module_relay" != "xno"])
AM_COND_IF(BUILD_MODULE_DIRAUTH,
AC_DEFINE([HAVE_MODULE_DIRAUTH], [1],
[Compile with Directory Authority feature support]))
dnl Helper variables.
TOR_MODULES_ALL_ENABLED=
AC_DEFUN([ADD_MODULE], [
MODULE=m4_toupper($1)
TOR_MODULES_ALL_ENABLED="${TOR_MODULES_ALL_ENABLED} -DHAVE_MODULE_${MODULE}=1"
])
m4_foreach_w([module], MODULES, [ADD_MODULE([module])])
AC_SUBST(TOR_MODULES_ALL_ENABLED)
dnl check for the correct "ar" when cross-compiling.
dnl (AM_PROG_AR was new in automake 1.11.2, which we do not yet require,
dnl so kludge up a replacement for the case where it isn't there yet.)
m4_ifdef([AM_PROG_AR],
[AM_PROG_AR],
[AN_MAKEVAR([AR], [AC_PROG_AR])
AN_PROGRAM([ar], [AC_PROG_AR])
AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL([AR], [ar], [:])])
AC_PROG_AR])
dnl Check whether the above macro has settled for a simply named tool even
dnl though we're cross compiling. We must do this before running AC_PROG_CC,
dnl because that will find any cc on the system, not only the cross-compiler,
dnl and then verify that a binary built with this compiler runs on the
dnl build system. It will then come to the false conclusion that we're not
dnl cross-compiling.
if test "x$enable_tool_name_check" != "xno"; then
if test "x$ac_tool_warned" = "xyes"; then
AC_MSG_ERROR([We are cross compiling but could not find a properly named toolchain. Do you have your cross-compiling toolchain in PATH? (You can --disable-tool-name-check to ignore this.)])
elif test "x$ac_ct_AR" != "x" -a "x$cross_compiling" = "xmaybe"; then
AC_MSG_ERROR([We think we are cross compiling but could not find a properly named toolchain. Do you have your cross-compiling toolchain in PATH? (You can --disable-tool-name-check to ignore this.)])
fi
fi
AC_PROG_CC
AC_PROG_CPP
AC_PROG_MAKE_SET
AC_PROG_RANLIB
AC_PROG_SED
AC_ARG_VAR([PERL], [path to Perl binary])
AC_CHECK_PROGS([PERL], [perl])
AM_CONDITIONAL(USE_PERL, [test "x$ac_cv_prog_PERL" != "x"])
dnl check for asciidoc and a2x
AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
AC_PATH_PROGS([A2X], [a2x a2x.py], none)
AM_CONDITIONAL(USE_ASCIIDOC, test "x$asciidoc" = "xtrue")
AM_CONDITIONAL(BUILD_MANPAGE, [test "x$enable_manpage" != "xno"])
AM_CONDITIONAL(BUILD_HTML_DOCS, [test "x$enable_html_manual" != "xno"])
AM_PROG_CC_C_O
AC_PROG_CC_C99
AC_CACHE_CHECK([for Python 3], [tor_cv_PYTHON],
[AC_PATH_PROGS_FEATURE_CHECK([PYTHON], [ \
python3 \
python3.8 python3.7 python3.6 python3.5 python3.4 \
python ],
[["$ac_path_PYTHON" -c 'import sys; sys.exit(sys.version_info[0]<3)' && tor_cv_PYTHON="$ac_path_PYTHON" ac_path_PYTHON_found=:]] )])
AC_SUBST([PYTHON], [$tor_cv_PYTHON])
PYTHON="$tor_cv_PYTHON"
if test "x$PYTHON" = "x"; then
AC_MSG_WARN([Python 3 unavailable; some tests will not be run.])
fi
AM_CONDITIONAL(USEPYTHON, [test "x$PYTHON" != "x"])
dnl List all external rust crates we depend on here. Include the version
rust_crates=" \
digest-0.7.2 \
libc-0.2.39 \
"
AC_SUBST(rust_crates)
ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [
AC_C_FLEXIBLE_ARRAY_MEMBER
], [
dnl Maybe we've got an old autoconf...
AC_CACHE_CHECK([for flexible array members],
tor_cv_c_flexarray,
[AC_COMPILE_IFELSE(
AC_LANG_PROGRAM([
struct abc { int a; char b[]; };
], [
struct abc *def = malloc(sizeof(struct abc)+sizeof(char));
def->b[0] = 33;
]),
[tor_cv_c_flexarray=yes],
[tor_cv_c_flexarray=no])])
if test "$tor_cv_flexarray" = "yes"; then
AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [], [Define to nothing if C supports flexible array members, and to 1 if it does not.])
else
AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [1], [Define to nothing if C supports flexible array members, and to 1 if it does not.])
fi
])
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
TORUSER=_tor
AC_ARG_WITH(tor-user,
AS_HELP_STRING(--with-tor-user=NAME, [specify username for tor daemon]),
[
TORUSER=$withval
]
)
AC_SUBST(TORUSER)
TORGROUP=_tor
AC_ARG_WITH(tor-group,
AS_HELP_STRING(--with-tor-group=NAME, [specify group name for tor daemon]),
[
TORGROUP=$withval
]
)
AC_SUBST(TORGROUP)
dnl If _WIN32 is defined and non-zero, we are building for win32
AC_MSG_CHECKING([for win32])
AC_RUN_IFELSE([AC_LANG_SOURCE([
int main(int c, char **v) {
#ifdef _WIN32
#if _WIN32
return 0;
#else
return 1;
#endif
#else
return 2;
#endif
}])],
bwin32=true; AC_MSG_RESULT([yes]),
bwin32=false; AC_MSG_RESULT([no]),
bwin32=cross; AC_MSG_RESULT([cross])
)
if test "$bwin32" = "cross"; then
AC_MSG_CHECKING([for win32 (cross)])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#ifdef _WIN32
int main(int c, char **v) {return 0;}
#else
#error
int main(int c, char **v) {return x(y);}
#endif
])],
bwin32=true; AC_MSG_RESULT([yes]),
bwin32=false; AC_MSG_RESULT([no]))
fi
AH_BOTTOM([
#ifdef _WIN32
/* Defined to access windows functions and definitions for >=WinXP */
# ifndef WINVER
# define WINVER 0x0501
# endif
/* Defined to access _other_ windows functions and definitions for >=WinXP */
# ifndef _WIN32_WINNT
# define _WIN32_WINNT 0x0501
# endif
/* Defined to avoid including some windows headers as part of Windows.h */
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN 1
# endif
#endif
])
AM_CONDITIONAL(WIN32, test "x$bwin32" = "xtrue")
AM_CONDITIONAL(BUILD_NT_SERVICES, test "x$bwin32" = "xtrue")
AM_CONDITIONAL(BUILD_LIBTORRUNNER, test "x$bwin32" != "xtrue")
dnl Enable C99 when compiling with MIPSpro
AC_MSG_CHECKING([for MIPSpro compiler])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [
#if (defined(__sgi) && defined(_COMPILER_VERSION))
#error
return x(y);
#endif
])],
bmipspro=false; AC_MSG_RESULT(no),
bmipspro=true; AC_MSG_RESULT(yes))
if test "$bmipspro" = "true"; then
CFLAGS="$CFLAGS -c99"
fi
AC_C_BIGENDIAN
AC_ARG_VAR([TOR_RUST_TARGET], [Rust target, must be specified when cross-compiling (HOST != BUILD). example: i686-pc-windows-gnu])
if test "x$enable_rust" = "xyes"; then
AC_ARG_VAR([RUSTC], [path to the rustc binary])
AC_CHECK_PROG([RUSTC], [rustc], [rustc],[no])
if test "x$RUSTC" = "xno"; then
AC_MSG_ERROR([rustc unavailable but rust integration requested.])
fi
AC_ARG_VAR([CARGO], [path to the cargo binary])
AC_CHECK_PROG([CARGO], [cargo], [cargo],[no])
if test "x$CARGO" = "xno"; then
AC_MSG_ERROR([cargo unavailable but rust integration requested.])
fi
AC_DEFINE([HAVE_RUST], 1, [have Rust])
if test "x$enable_fatal_warnings" = "xyes"; then
RUST_WARN=
else
RUST_WARN=#
fi
if test "x$enable_cargo_online_mode" = "xyes"; then
CARGO_ONLINE=
RUST_DL=#
else
CARGO_ONLINE=--frozen
RUST_DL=
dnl When we're not allowed to touch the network, we need crate dependencies
dnl locally available.
AC_MSG_CHECKING([rust crate dependencies])
AC_ARG_VAR([TOR_RUST_DEPENDENCIES], [path to directory with local crate mirror])
if test "x$TOR_RUST_DEPENDENCIES" = "x"; then
TOR_RUST_DEPENDENCIES="${srcdir}/src/ext/rust/crates"
fi
dnl Check whether the path exists before we try to cd into it.
if test ! -d "$TOR_RUST_DEPENDENCIES"; then
AC_MSG_ERROR([Rust dependency directory $TOR_RUST_DEPENDENCIES does not exist. Specify a dependency directory using the TOR_RUST_DEPENDENCIES variable or allow cargo to fetch crates using --enable-cargo-online-mode.])
ERRORED=1
fi
dnl Make the path absolute, since we'll be using it from within a
dnl subdirectory.
TOR_RUST_DEPENDENCIES=$(cd "$TOR_RUST_DEPENDENCIES" ; pwd)
for dep in $rust_crates; do
if test ! -d "$TOR_RUST_DEPENDENCIES"/"$dep"; then
AC_MSG_ERROR([Failure to find rust dependency $TOR_RUST_DEPENDENCIES/$dep. Specify a dependency directory using the TOR_RUST_DEPENDENCIES variable or allow cargo to fetch crates using --enable-cargo-online-mode.])
ERRORED=1
fi
done
if test "x$ERRORED" = "x"; then
AC_MSG_RESULT([yes])
fi
fi
dnl For now both MSVC and MinGW rust libraries will output static libs with
dnl the MSVC naming convention.
if test "$bwin32" = "true"; then
tor_rust_static_name=tor_rust.lib
else
tor_rust_static_name=libtor_rust.a
fi
AC_CANONICAL_BUILD
if test -n "$TOR_RUST_TARGET"; then
if test "$host" = "$build"; then
AC_MSG_ERROR([HOST = BUILD is invalid if TOR_RUST_TARGET is specified, see configure --help for more information.])
fi
RUST_TARGET_PROP="target = '$TOR_RUST_TARGET'"
TOR_RUST_LIB_PATH="src/rust/target/$TOR_RUST_TARGET/release/$tor_rust_static_name"
else
if test "$host" != "$build"; then
AC_MSG_ERROR([TOR_RUST_TARGET must be specified when cross-compiling with Rust enabled.])
fi
RUST_TARGET_PROP=
TOR_RUST_LIB_PATH="src/rust/target/release/$tor_rust_static_name"
fi
AC_SUBST(RUST_TARGET_PROP)
AC_SUBST(TOR_RUST_LIB_PATH)
AC_SUBST(CARGO_ONLINE)
AC_SUBST(RUST_WARN)
AC_SUBST(RUST_DL)
dnl Let's check the rustc version, too
AC_MSG_CHECKING([rust version])
RUSTC_VERSION=`$RUSTC --version`
RUSTC_VERSION_MAJOR=`$RUSTC --version | cut -d ' ' -f 2 | cut -d '.' -f 1`
RUSTC_VERSION_MINOR=`$RUSTC --version | cut -d ' ' -f 2 | cut -d '.' -f 2`
if test "x$RUSTC_VERSION_MAJOR" = "x" -o "x$RUSTC_VERSION_MINOR" = "x"; then
AC_MSG_ERROR([rustc version couldn't be identified])
fi
if test "$RUSTC_VERSION_MAJOR" -lt 2 -a "$RUSTC_VERSION_MINOR" -lt 31; then
AC_MSG_ERROR([rustc must be at least version 1.31.0])
fi
AC_MSG_RESULT([$RUSTC_VERSION])
fi
AC_SEARCH_LIBS(socket, [socket network])
AC_SEARCH_LIBS(gethostbyname, [nsl])
AC_SEARCH_LIBS(dlopen, [dl])
AC_SEARCH_LIBS(inet_aton, [resolv])
AC_SEARCH_LIBS(backtrace, [execinfo])
saved_LIBS="$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
if test "$bwin32" = "false"; then
AC_SEARCH_LIBS(pthread_create, [pthread])
AC_SEARCH_LIBS(pthread_detach, [pthread])
fi
AM_CONDITIONAL(THREADS_WIN32, test "$bwin32" = "true")
AM_CONDITIONAL(THREADS_PTHREADS, test "$bwin32" = "false")
AC_CHECK_FUNCS(
_NSGetEnviron \
RtlSecureZeroMemory \
SecureZeroMemory \
accept4 \
backtrace \
backtrace_symbols_fd \
eventfd \
explicit_bzero \
timingsafe_memcmp \
flock \
ftime \
get_current_dir_name \
getaddrinfo \
getdelim \
getifaddrs \
getline \
getpass \
getrlimit \
gettimeofday \
gmtime_r \
gnu_get_libc_version \
htonll \
inet_aton \
ioctl \
issetugid \
llround \
localtime_r \
lround \
madvise \
memmem \
memset_s \
minherit \
mmap \
pipe \
pipe2 \
prctl \
readpassphrase \
rint \
sigaction \
socketpair \
statvfs \
strncasecmp \
strcasecmp \
strlcat \
strlcpy \
strnlen \
strptime \
strtok_r \
strtoull \
sysconf \
sysctl \
truncate \
uname \
usleep \
vasprintf \
_vscprintf
)
# Apple messed up when they added some functions: they
# forgot to decorate them with appropriate AVAILABLE_MAC_OS_VERSION
# checks.
# We should only probe for these functions if we are sure that we
# are not targeting OS X 10.9 or earlier.
AC_MSG_CHECKING([for a pre-Yosemite OS X build target])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef __APPLE__
# include <AvailabilityMacros.h>
# ifndef MAC_OS_X_VERSION_10_10
# define MAC_OS_X_VERSION_10_10 101000
# endif
# if defined(MAC_OS_X_VERSION_MIN_REQUIRED)
# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_10
# error "Running on Mac OS X 10.9 or earlier"
# endif
# endif
#endif
]], [[]])],
[on_macos_pre_10_10=no ; AC_MSG_RESULT([no])],
[on_macos_pre_10_10=yes; AC_MSG_RESULT([yes])])
if test "$on_macos_pre_10_10" = "no"; then
AC_CHECK_FUNCS(
mach_approximate_time \
)
fi
# We should only probe for these functions if we are sure that we
# are not targeting OSX 10.11 or earlier.
AC_MSG_CHECKING([for a pre-Sierra OSX build target])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef __APPLE__
# include <AvailabilityMacros.h>
# ifndef MAC_OS_X_VERSION_10_12
# define MAC_OS_X_VERSION_10_12 101200
# endif
# if defined(MAC_OS_X_VERSION_MIN_REQUIRED)
# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_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 "$on_macos_pre_10_12" = "no"; then
AC_CHECK_FUNCS(
clock_gettime \
getentropy \
)
fi
if test "$bwin32" != "true"; then
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 "$bwin32" = "false")
AC_MSG_CHECKING([whether free(NULL) works])
AC_RUN_IFELSE([AC_LANG_PROGRAM([
#include <stdlib.h>
], [
char *p = NULL;
free(p);
])],
[free_null_ok=true; AC_MSG_RESULT(yes)],
[free_null_ok=false; AC_MSG_RESULT(no)],
[free_null_ok=cross; AC_MSG_RESULT(cross)])
if test "$free_null_ok" = "false"; then
AC_MSG_ERROR([Your libc implementation doesn't allow free(NULL), as required by C99.])
fi
dnl ------------------------------------------------------
dnl Where do you live, libevent? And how do we call you?
if test "$bwin32" = "true"; then
TOR_LIB_WS32=-lws2_32
TOR_LIB_IPHLPAPI=-liphlpapi
# Some of the cargo-cults recommend -lwsock32 as well, but I don't
# think it's actually necessary.
TOR_LIB_GDI=-lgdi32
TOR_LIB_USERENV=-luserenv
else
TOR_LIB_WS32=
TOR_LIB_GDI=
TOR_LIB_USERENV=
fi
AC_SUBST(TOR_LIB_WS32)
AC_SUBST(TOR_LIB_GDI)
AC_SUBST(TOR_LIB_IPHLPAPI)
AC_SUBST(TOR_LIB_USERENV)
tor_libevent_pkg_redhat="libevent"
tor_libevent_pkg_debian="libevent-dev"
tor_libevent_devpkg_redhat="libevent-devel"
tor_libevent_devpkg_debian="libevent-dev"
dnl On Gnu/Linux or any place we require it, we'll add librt to the Libevent
dnl linking for static builds.
STATIC_LIBEVENT_FLAGS=""
if test "$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 $TOR_LIB_WS32], [
#ifdef _WIN32
#include <winsock2.h>
#endif
#include <sys/time.h>
#include <sys/types.h>
#include <event2/event.h>], [
#ifdef _WIN32
#include <winsock2.h>
#endif
struct event_base;
struct event_base *event_base_new(void);
void event_base_free(struct event_base *);],
[
#ifdef _WIN32
{WSADATA d; WSAStartup(0x101,&d); }
#endif
event_base_free(event_base_new());
], [--with-libevent-dir], [/opt/libevent])
dnl Determine the incantation needed to link libevent.
save_LIBS="$LIBS"
save_LDFLAGS="$LDFLAGS"
save_CPPFLAGS="$CPPFLAGS"
LIBS="$STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $save_LIBS"
LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
AC_CHECK_HEADERS(event2/event.h event2/dns.h event2/bufferevent_ssl.h)
if test "$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 $TOR_LIBEVENT_LIBS"
fi
else
AC_MSG_ERROR("libevent2 is required but the headers could not be found")
fi
fi
dnl Now check for particular libevent functions.
AC_CHECK_FUNCS([evutil_secure_rng_set_urandom_device_file \
evutil_secure_rng_add_bytes \
evdns_base_get_nameserver_addr \
])
LIBS="$save_LIBS"
LDFLAGS="$save_LDFLAGS"
CPPFLAGS="$save_CPPFLAGS"
dnl Check that libevent is at least at version 2.0.10, the first stable
dnl release of its series
CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent"
AC_MSG_CHECKING([whether Libevent is new enough])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include <event2/event.h>
#if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 0x02000a00
#error
int x = y(zz);
#else
int x = 1;
#endif
])], [ AC_MSG_RESULT([yes]) ],
[ AC_MSG_RESULT([no])
AC_MSG_ERROR([Libevent is not new enough. We require 2.0.10-stable or later]) ] )
LIBS="$save_LIBS"
LDFLAGS="$save_LDFLAGS"
CPPFLAGS="$save_CPPFLAGS"
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 Hello, NSS. You're new around here.
if test "x$enable_nss" = "xyes"; then
PKG_CHECK_MODULES(NSS,
[nss],
[have_nss=yes],
[have_nss=no; AC_MSG_ERROR([You asked for NSS but I can't find it, $pkg_config_user_action, or set NSS_CFLAGS and NSS_LIBS.])])
AC_SUBST(NSS_CFLAGS)
AC_SUBST(NSS_LIBS)
fi
dnl ------------------------------------------------------
dnl Where do you live, openssl? And how do we call you?
if test "x$enable_nss" != "xyes"; then
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
])
AC_MSG_NOTICE([Now, we'll look for OpenSSL >= 1.0.1])
TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI $TOR_LIB_WS32],
[#include <openssl/ssl.h>
char *getenv(const char *);],
[struct ssl_cipher_st;
unsigned SSL_CIPHER_get_id(const struct ssl_cipher_st *);
char *getenv(const char *);],
dnl This funny-looking test program calls getenv, so that the compiler
dnl will neither make code that call SSL_CIPHER_get_id(NULL) [producing
dnl a crash], nor optimize out the call to SSL_CIPHER_get_id().
dnl We look for SSL_cipher_get_id() because it is present in
dnl OpenSSL >=1.0.1, because it is not deprecated, and because Tor
dnl depends on it.
[if (getenv("THIS_SHOULDNT_BE_SET_X201803")) SSL_CIPHER_get_id((void *)0);], [],
[/usr/local/opt/openssl /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /opt/openssl])
dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
if test "$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_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <openssl/opensslv.h>
#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER < 0x1000100fL
#error "too old"
#endif
]], [[]])],
[ : ],
[ AC_MSG_ERROR([OpenSSL is too old. We require 1.0.1 or later. You can specify a path to a newer one with --with-openssl-dir.]) ])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <openssl/opensslv.h>
#include <openssl/evp.h>
#if defined(OPENSSL_NO_EC) || defined(OPENSSL_NO_ECDH) || defined(OPENSSL_NO_ECDSA)