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AC_INIT([tlsdate],[0.0.4],[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.
LT_PREREQ([2.2])
LT_INIT
LT_LANG([C])
gl_VISIBILITY
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
CONFIG_EXTRA
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.
COMPILE_DATE=`date +%s`
AC_SUBST([COMPILE_DATE])
AC_DEFINE_UNQUOTED([RECENT_COMPILE_DATE],
[(uint32_t) ${COMPILE_DATE}],
[Time in seconds since the Disco epoch at build time])
# Build up the directory we will use to install certs
TLSDATE_CA_ROOTS="${sysconfdir}/$PACKAGE_NAME/ca-roots"
AC_SUBST([TLSDATE_CA_ROOTS])
# Required headers
# 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([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([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([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/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_FUNCS([setresuid])
AC_CHECK_FUNCS([gettimeofday])
# Check for -lrt
AC_CHECK_LIB([rt], [clock_gettime], [
RT_LIB="-lrt"
AC_SUBST(RT_LIB)
AC_DEFINE([HAVE_LIBRT], [1], [Have clock_gettime])
],[
AC_MSG_ERROR([Your system lacks clock_gettime])
])
# Debug and hardening flags all in one shot
# Alwas do this at the end, otherwise you end up filtering system/other libraries
AC_DEFUN([LOCAL_CHECK_FLAGS],[
AC_REQUIRE([AX_CHECK_LINK_FLAG])
AC_REQUIRE([AX_APPEND_COMPILE_FLAGS])
AC_LANG_PUSH([C])
CFLAGS=
LIBS=
AX_APPEND_COMPILE_FLAGS([-g -O1 -Wall])
AX_APPEND_COMPILE_FLAGS([-fno-strict-aliasing])
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_CONFIG_FILES([Makefile])
AC_OUTPUT
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