AC_INIT([tlsdate],[0.0.13],[jacob at appelbaum.net])
AC_CONFIG_AUX_DIR([config])
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_TARGET
AC_ARG_PROGRAM
AC_USE_SYSTEM_EXTENSIONS
AM_INIT_AUTOMAKE([-Wall -Werror -Wno-portability subdir-objects foreign tar-ustar])
AC_PREREQ([2.63])
AC_CONFIG_HEADERS([config.h:config.in])dnl Keep filename to 8.3 for MS-DOS.
PKG_PROG_PKG_CONFIG
LT_PREREQ([2.2])
LT_INIT
LT_LANG([C])
gl_VISIBILITY
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
CONFIG_EXTRA
AX_PLATFORM
dnl Here we should build a small program to fetch the build system time in a portable
dnl manner. We have no Win32 users, we can fix this if we ever find one that
dnl cares.
dnl
dnl In Debian GNU/Linux and other Debian GNU/* systems, we wish to make this a
dnl deterministic build process. There is only one part of the build process that
dnl is entropic and that is this COMPILE_DATE value. We want to check to see if
dnl COMPILE_DATE is defined by the debian/rules file and if it is - we want to use
dnl the value provided by the environment. If it isn't we'll use one that we
dnl generate here.
dnl
echo "checking for \$COMPILE_DATE in the environment..."
if test "${COMPILE_DATE+set}" = set; then
echo "...we've found \$COMPILE_DATE in the environment."
echo "...\$COMPILE_DATE is set to: $COMPILE_DATE"
else
echo "...no \$COMPILE_DATE found in our build environment. Generating now..."
COMPILE_DATE=`date +%s`
echo "...\$COMPILE_DATE is set to: $COMPILE_DATE"
fi
AC_SUBST([COMPILE_DATE])
AC_DEFINE_UNQUOTED([RECENT_COMPILE_DATE],
[${COMPILE_DATE}L],
[Time in seconds since the Disco epoch at build time])
dnl Build up the directory we will use to install certs
TLSDATE_CA_ROOTS="${sysconfdir}/$PACKAGE_NAME/ca-roots"
AC_SUBST([TLSDATE_CA_ROOTS])
dnl Place we install our config file
TLSDATE_CONF_DIR="${sysconfdir}/$PACKAGE_NAME/"
AC_SUBST([TLSDATE_CONF_DIR])
dnl HTTPS User-agent
AC_ARG_WITH([https-user-agent],
[AS_HELP_STRING([--with-https-user-agent=AGENT],
[a User-Agent value to send when running in HTTPS mode])],
[],
[with_https_user_agent="TLSDate/$VERSION"])
AC_DEFINE_UNQUOTED([HTTPS_USER_AGENT],
["${with_https_user_agent}"],
[User-Agent value to send when running as an HTTPS client])
dnl check for PolarSSL
OPT_POLARSSL=yes
AC_MSG_CHECKING([PolarSSL])
AC_ARG_WITH([polarssl],
[AS_HELP_STRING([--with-polarssl=DIR],
[where to look for PolarSSL, DIR points to the installation root])])
AS_CASE([$with_polarssl],
[""|yes|no], [POLARSSL_DIR=""],
[*], [POLARSSL_DIR=$with_polarssl])
OPT_POLARSSL=$with_polarssl
SSL_FLAGS=""
SSL_LDFLAGS=""
SSL_LIBS="-lssl -lcrypto"
AS_IF([test "x${OPT_POLARSSL}" != "xno"], [
AS_IF([test -z "${POLARSSL_DIR}"], [
dnl check for lib first without setting any new path
AC_CHECK_LIB(polarssl, ssl_init,
dnl libpolarssl found, set the variable
[
AC_DEFINE(USE_POLARSSL, 1, [if PolarSSL is enabled])
AC_SUBST(USE_POLARSSL, [1])
POLARSSL_ENABLED=1
USE_POLARSSL="yes"
])
])
addld=""
addlib=""
addcflags=""
polarssllib=""
AS_IF([test "x${USE_POLARSSL}" != "xyes"], [
dnl add the path and test again
addld=-L${POLARSSL_DIR}/lib$libsuff
addcflags=-I${POLARSSL_DIR}/include
polarssllib=${POLARSSL_DIR}/lib$libsuff
LDFLAGS="$LDFLAGS $addld"
AS_IF([test "$addcflags" != "-I/usr/include"], [
AX_APPEND_COMPILE_FLAGS(["$addcflags"])
CPPFLAGS="$CPPFLAGS $addcflags"
])
AC_CHECK_LIB(polarssl, ssl_init,
[
AC_DEFINE(USE_POLARSSL, 1, [if PolarSSL is enabled])
AC_SUBST(USE_POLARSSL, [1])
POLARSSL_ENABLED=1
USE_POLARSSL="yes"
SSL_CFLAGS=$addcflags
SSL_LDFLAGS=$addld
])
])
AS_IF([test "x${USE_POLARSSL}" = "xyes"], [
AC_MSG_NOTICE([detected PolarSSL])
SSL_LIBS="-lpolarssl"
AS_IF([test -n "$polarssllib"], [
dnl when shared libs were found in a path that the run-time
dnl linker doesn't search through, we need to add it to
dnl LD_LIBRARY_PATH to prevent further configure tests to fail
dnl due to this
AS_IF([test "x$cross_compiling" != "xyes"], [
LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$polarssllib"
export LD_LIBRARY_PATH
AC_MSG_NOTICE([Added $polarssllib to LD_LIBRARY_PATH])
])
])
])
])
AC_SUBST(SSL_CFLAGS)
AC_SUBST(SSL_LDFLAGS)
AC_SUBST(SSL_LIBS)
AM_CONDITIONAL(POLARSSL, test "x${USE_POLARSSL}" = "xyes")
dnl Required headers
AS_IF([test "x${USE_POLARSSL}" != "xyes"], [
dnl First check to see if openssl is installed
AC_CHECK_HEADERS([openssl/ssl.h], ,[AC_MSG_ERROR([OpenSSL is not installed, openssl/sslh is missing])])
AC_CHECK_HEADERS([openssl/bio.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([openssl/err.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([openssl/evp.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
])
AC_CHECK_HEADERS([arpa/inet.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([getopt.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([grp.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([pwd.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([stdint.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([stdio.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([stdlib.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([sys/mman.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([sys/socket.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([sys/time.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([sys/types.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([sys/wait.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([time.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([unistd.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([linux/rtc.h])
AC_CHECK_TYPES([struct rtc_time], [], [], [
#ifdef HAVE_LINUX_RTC_H
#include <linux/rtc.h>
#endif
])
AC_CHECK_FUNCS([strchrnul])
AM_CONDITIONAL(HAVE_STRCHRNUL, [test "x${ac_cv_func_strchrnul}" = xyes])
AC_CHECK_FUNCS([strnlen])
AM_CONDITIONAL(HAVE_STRNLEN, [test "x${ac_cv_func_strnlen}" = xyes])
AC_CHECK_FUNCS_ONCE(m4_flatten([
gettimeofday
prctl
preadv
pwritev
setresuid
]))
AC_CHECK_FUNCS([fmemopen funopen])
AM_CONDITIONAL(HAVE_FMEMOPEN, [test "x${ac_cv_func_fmemopen}" = xyes])
AM_CONDITIONAL(HAVE_FUNOPEN, [test "x${ac_cv_func_funopen}" = xyes])
case "$host" in
*-darwin*)
dnl This is for Mac OS X (10.8.2)
AC_CHECK_HEADERS([mach/clock.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_CHECK_HEADERS([mach/mach.h], ,[AC_MSG_ERROR([Required headers missing; compilation will not succeed])])
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nogroup@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nobody"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
*-freebsd*)
dnl This is for FreeBSD
dnl clock_gettime is either part of libc or unavailable.
AC_CHECK_FUNC([clock_gettime], ,
[AC_MSG_ERROR([Your system lacks clock_gettime])])
dnl If the autoconf goo picks up a compiler that runs in pre-POSIX mode,
dnl the fmemopen prototype is hidden causing the unit tests to segfault.
dnl This can happen if gcc is a symlink to gcc46 and is preferred to clang.
AC_CHECK_FUNC([fmemopen], ,
[AC_MSG_WARN([Missing fmemopen, unit tests are likely to segfault. Try CC=clang.])])
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nobody@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nobody"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
*kfreebsd*-gnu*)
dnl This is for Debian GNU/kFreeBSD
dnl clock_gettime is either part of libc or unavailable.
dnl Check for clock_gettime. Some systems put it into -lc, while
dnl others use -lrt. Try the first and fallback to the latter.
RT_LIB=
AC_CHECK_FUNC([clock_gettime], [:],
[AC_CHECK_LIB([rt], [clock_gettime], [RT_LIB="-lrt"],
[AC_MSG_ERROR([Your system lacks clock_gettime])])])
AC_SUBST(RT_LIB)
dnl If the autoconf goo picks up a compiler that runs in pre-POSIX mode,
dnl the fmemopen prototype is hidden causing the unit tests to segfault.
dnl This can happen if gcc is a symlink to gcc46 and is preferred to clang.
AC_CHECK_FUNC([fmemopen], ,
[AC_MSG_ERROR([Missing fmemopen, unit tests are likely to segfault. Try CC=clang.])])
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nobody@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nobody"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
*-netbsd*)
dnl This is for NetBSD
dnl clock_gettime is either part of libc or unavailable.
AC_CHECK_FUNC([clock_gettime], ,
[AC_MSG_ERROR([Your system lacks clock_gettime])])
if test "x${ac_cv_func_fmemopen}" != xyes; then
if test "x${ac_cv_func_funopen}" != xyes; then
AC_MSG_ERROR([We need fmemopen or funopen for unit tests.])
fi
fi
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nobody@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nobody"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
*-openbsd*)
dnl This is for OpenBSD
dnl clock_gettime is either part of libc or unavailable.
AC_CHECK_FUNC([clock_gettime], ,
[AC_MSG_ERROR([Your system lacks clock_gettime])])
dnl If the autoconf goo picks up a compiler that runs in pre-POSIX mode,
dnl the fmemopen prototype is hidden causing the unit tests to segfault.
dnl This can happen if gcc is a symlink to gcc46 and is preferred to clang.
AC_CHECK_FUNC([fmemopen], ,
[AC_MSG_WARN([Missing fmemopen, unit tests are likely to segfault. Try CC=clang.])])
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nobody@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nobody"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
*dragonfly*)
dnl This is for DragonFly BSD
dnl clock_gettime is either part of libc or unavailable.
AC_CHECK_FUNC([clock_gettime], ,
[AC_MSG_ERROR([Your system lacks clock_gettime])])
dnl If the autoconf goo picks up a compiler that runs in pre-POSIX mode,
dnl the fmemopen prototype is hidden causing the unit tests to segfault.
dnl This can happen if gcc is a symlink to gcc46 and is preferred to clang.
AC_CHECK_FUNC([fmemopen], ,
[AC_MSG_WARN([Missing fmemopen, unit tests are likely to segfault. Try CC=clang.])])
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nobody@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nobody"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
*-bsd*)
dnl This is a generic catch for BSD variants
dnl This likely needs to be tuned to catch all
dnl clock_gettime is either part of libc or unavailable.
AC_CHECK_FUNC([clock_gettime], ,
[AC_MSG_ERROR([Your system lacks clock_gettime])])
dnl If the autoconf goo picks up a compiler that runs in pre-POSIX mode,
dnl the fmemopen prototype is hidden causing the unit tests to segfault.
dnl This can happen if gcc is a symlink to gcc46 and is preferred to clang.
AC_CHECK_FUNC([fmemopen], ,
[AC_MSG_ERROR([Missing fmemopen, unit tests are likely to segfault. Try CC=clang.])])
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nobody@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nobody"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
*-linux*)
dnl This is for GNU/Linux
dnl Check for clock_gettime. Some systems put it into -lc, while
dnl others use -lrt. Try the first and fallback to the latter.
RT_LIB=
AC_CHECK_FUNC([clock_gettime], [:],
[AC_CHECK_LIB([rt], [clock_gettime], [RT_LIB="-lrt"],
[AC_MSG_ERROR([Your system lacks clock_gettime])])])
AC_SUBST(RT_LIB)
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nogroup@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nogroup"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
case "$host" in
*-linux-androideabi)
dnl This is for Android NDK as it is a special case of linux
AC_DEFINE(HAVE_ANDROID,1, [Defined if we are to build for an Android system])
AC_SUBST(HAVE_ANDROID, [1])
HAVE_ANDROID="yes"
;;
esac
;;
*-gnu0.*)
dnl This is a generic catch for GNU/Hurd variants
dnl Check for clock_gettime. Some systems put it into -lc, while
dnl others use -lrt. Try the first and fallback to the latter.
RT_LIB=
AC_CHECK_FUNC([clock_gettime], [:],
[AC_CHECK_LIB([rt], [clock_gettime], [RT_LIB="-lrt"],
[AC_MSG_ERROR([Your system lacks clock_gettime])])])
AC_SUBST(RT_LIB)
dnl If the autoconf goo picks up a compiler that runs in pre-POSIX mode,
dnl the fmemopen prototype is hidden causing the unit tests to segfault.
dnl This can happen if gcc is a symlink to gcc46 and is preferred to clang.
AC_CHECK_FUNC([fmemopen], ,
[AC_MSG_ERROR([Missing fmemopen, unit tests are likely to segfault. Try CC=clang.])])
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nobody@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nogroup"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
*-cygwin*)
dnl This is for Cygwin
dnl Check for clock_gettime. Some systems put it into -lc, while
dnl others use -lrt. Try the first and fallback to the latter.
RT_LIB=
AC_CHECK_FUNC([clock_gettime], [:],
[AC_CHECK_LIB([rt], [clock_gettime], [RT_LIB="-lrt"],
[AC_MSG_ERROR([Your system lacks clock_gettime])])])
AC_SUBST(RT_LIB)
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nogroup@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nogroup"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
*-mingw32*)
dnl This is for MINGW32_NT
dnl Check for clock_gettime. Some systems put it into -lc, while
dnl others use -lrt. Try the first and fallback to the latter.
RT_LIB=
AC_CHECK_FUNC([clock_gettime], [:],
[AC_CHECK_LIB([rt], [clock_gettime], [RT_LIB="-lrt"],
[AC_MSG_ERROR([Your system lacks clock_gettime])])])
AC_SUBST(RT_LIB)
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nogroup@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nogroup"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
*-beos*|*-haiku*)
dnl This is for BeOS and Haiku; we probably only support Haiku with gcc4
dnl Check for clock_gettime. Some systems put it into -lc, while
dnl others use -lrt. Try the first and fallback to the latter.
dnl on Haiku we require the bsd library for strsep
RT_LIB=
AC_CHECK_FUNC([clock_gettime], [:],
[AC_CHECK_LIB([rt], [clock_gettime], [RT_LIB="-lrt"],
[AC_MSG_ERROR([Your system lacks clock_gettime])])])
AC_SUBST(RT_LIB)
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nogroup@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nogroup"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
LDFLAGS="$LDFLAGS -lbsd"
CC="/boot/develop/abi/x86/gcc4/tools/gcc-4.6.3-haiku-121101/bin/gcc"
;;
*)
AC_ARG_WITH([unpriv-group],
[AS_HELP_STRING([--with-unpriv-group=<group>],
[Group to drop privs to @<:@default: nogroup@:>@])])
AS_CASE([$with_unpriv_group],
[""|yes|no], [UNPRIV_GROUP="nogroup"],
[*], [UNPRIV_GROUP=$with_unpriv_group])
AC_DEFINE_UNQUOTED([UNPRIV_GROUP], ["${UNPRIV_GROUP}"], [Unprivileged group])
;;
esac
dnl Android conditional
AM_CONDITIONAL(HAVE_ANDROID, test "x${HAVE_ANDROID}" = "xyes")
AC_MSG_CHECKING([user/group to drop privs to])
AC_ARG_WITH([unpriv-user],
[AS_HELP_STRING([--with-unpriv-user=<user>],
[User to drop privs to @<:@default: nobody@:>@])])
AS_CASE([$with_unpriv_user],
[""|yes|no], [UNPRIV_USER="nobody"],
[*], [UNPRIV_USER=$with_unpriv_user])
AC_DEFINE_UNQUOTED([UNPRIV_USER], ["${UNPRIV_USER}"], [Unprivileged user])
AC_SUBST([UNPRIV_USER])
AC_MSG_RESULT(${UNPRIV_USER}:${UNPRIV_GROUP})
AC_MSG_CHECKING([group to allow DBus calls from])
AC_ARG_WITH([dbus-client-group],
[AS_HELP_STRING([--with-dbus-client-group=<group>],
[Allow dbus method calls from group @<:@default: root@:>@])])
AS_CASE([$with_dbus_client_group],
[""|yes|no], [DBUS_CLIENT_GROUP="root"],
[*], [DBUS_CLIENT_GROUP=$with_dbus_client_group])
AC_DEFINE_UNQUOTED([DBUS_CLIENT_GROUP], ["${DBUS_CLIENT_GROUP}"], [DBus client group])
AC_MSG_RESULT(${DBUS_CLIENT_GROUP})
AC_SUBST([DBUS_CLIENT_GROUP])
dnl Check for clock_gettime. Some systems put it into -lc, while
dnl others use -lrt. Try the first and fallback to the latter.
RT_LIB=
AC_CHECK_FUNC([clock_gettime], [:],
[AC_CHECK_LIB([rt], [clock_gettime], [RT_LIB="-lrt"],
[AC_MSG_ERROR([Your system lacks clock_gettime])])])
AC_SUBST(RT_LIB)
PKG_CHECK_MODULES([LIBEVENT], [libevent >= 2.0])
have_dbus=false
AC_ARG_ENABLE([dbus],
[AS_HELP_STRING([--disable-dbus],
[Disable automatically dbus support])])
AS_IF([test "x$enable_dbus" = xyes], [
PKG_CHECK_MODULES([DBUS], [dbus-1], [
have_dbus=true
AC_DEFINE([HAVE_DBUS], [1], [dbus enabled])
], [
AS_IF([test "x$enable_dbus" = xyes],
[AC_MSG_ERROR([dbus requested but not found])])
])
])
AM_CONDITIONAL([HAVE_DBUS], ${have_dbus})
AC_SUBST(DBUS_CFLAGS)
AC_SUBST(DBUS_LIBS)
AC_SUBST(LIBEVENT_CFLAGS)
AC_SUBST(LIBEVENT_LIBS)
have_seccomp_filter=false
AC_ARG_ENABLE([seccomp_filter],
[AS_HELP_STRING([--enable-seccomp-filter],
[Require seccomp filter])])
AC_MSG_CHECKING([kernel for seccomp_filter support])
AS_IF([test "x$enable_seccomp_filter" = xyes], [
dnl Force seccomp filter use
have_seccomp_filter=true
AC_MSG_RESULT([forced])
], [
AS_IF([test "x$enable_seccomp_filter" = xno], [
have_seccomp_filter=no
AC_MSG_RESULT([disabled])
], [
dnl Detect seccomp filter support.
AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <errno.h>
#include <linux/audit.h>
#include <linux/filter.h>
#include <stdlib.h>
#include <sys/prctl.h>
#include "src/seccomp-compat.h"
]],
[[ errno = 0;
if (prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0))
exit(1);
prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, NULL, 0, 0);
exit(errno == EFAULT ? 0 : 1); ]])],
[ AC_MSG_RESULT([yes])
have_seccomp_filter=true
], [
AC_MSG_RESULT([no])
],
[ AC_MSG_RESULT([cross-compiling, assuming yes])
have_seccomp_filter=true
]
)
])])
AS_IF([${have_seccomp_filter}], [
AC_DEFINE([HAVE_SECCOMP_FILTER], [1], [Enable seccomp filter])
])
AM_CONDITIONAL([HAVE_SECCOMP_FILTER], ${have_seccomp_filter})
have_seccomp_debug=false
AC_ARG_ENABLE([seccomp_debugging],
[AS_HELP_STRING([--enable-seccomp-debugging],
[Enable seccomp filter debugging])])
AS_IF([test "x$enable_seccomp_debugging" = xyes], [
AC_DEFINE([SECCOMP_FILTER_DEBUG], [1], [Enable seccomp filter debugging])
have_seccomp_debug=true
])
AM_CONDITIONAL([SECCOMP_FILTER_DEBUG], ${have_seccomp_debug})
AC_MSG_CHECKING([for CrOS-specific platform wake event support])
AC_ARG_ENABLE([cros],
[AS_HELP_STRING([--disable-cros],
[Disable CrOS platform support])])
AS_IF([test "x$enable_cros" = xyes -a "x$enable_dbus" != xyes ], [
AC_MSG_ERROR([--enable-dbus is required for --enable-cros])
])
have_cros=false
AS_IF([test "x$enable_cros" = xyes], [
have_cros=true
AC_DEFINE([HAVE_CROS], [1], [Enable CrOS support])
AC_MSG_RESULT([yes])
], [
AC_MSG_RESULT([no])
])
AM_CONDITIONAL([HAVE_CROS], ${have_cros})
dnl Debug and hardening flags all in one shot
dnl Always do this at the end, otherwise you end up filtering system/other libraries
AC_ARG_ENABLE([hardened-checks],
[AS_HELP_STRING([--disable-hardened-checks],
[Disable automatically enabling hardened toolchain options])])
AC_DEFUN([LOCAL_CHECK_FLAGS],[
AC_REQUIRE([AX_CHECK_LINK_FLAG])
AC_REQUIRE([AX_APPEND_COMPILE_FLAGS])
AC_LANG_PUSH([C])
AS_IF([test "x$enable_hardened_checks" != xno], [
AX_APPEND_COMPILE_FLAGS([-g -O1])
], [
AC_MSG_WARN([using hardened flags is HIGHLY RECOMMENDED and disabling them is a BAD IDEA])
])
AX_APPEND_COMPILE_FLAGS([-Wall -fno-strict-aliasing])
AS_IF([test "x$enable_hardened_checks" != xno], [
AX_APPEND_COMPILE_FLAGS([-D_FORTIFY_SOURCE=2 -fstack-protector-all])
AX_APPEND_COMPILE_FLAGS([-fwrapv -fPIE -Wstack-protector])
AX_APPEND_COMPILE_FLAGS([--param=ssp-buffer-size=1])
AX_CHECK_LINK_FLAG([-z relro -z now])
AX_CHECK_LINK_FLAG([-pie])
])
AC_LANG_POP
])
LOCAL_CHECK_FLAGS
AC_ARG_ENABLE([code-coverage-checks],
[AS_HELP_STRING([--enable-code-coverage-checks],
[Enable gcov/lcov compile time options])],
[AX_APPEND_COMPILE_FLAGS([-ftest-coverage -fprofile-arcs])])
AC_CONFIG_FILES([dbus/org.torproject.tlsdate.conf])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT