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# Copyright (c) 2014-2015 Brent Cook
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
AC_INIT([libressl], m4_esyscmd([tr -d '\n' < VERSION]))
AC_SUBST([LIBCRYPTO_VERSION], m4_esyscmd([tr -d '\n' < crypto/VERSION]))
AC_SUBST([LIBSSL_VERSION], m4_esyscmd([tr -d '\n' < ssl/VERSION]))
AC_SUBST([LIBTLS_VERSION], m4_esyscmd([tr -d '\n' < tls/VERSION]))
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE([subdir-objects foreign])
AC_CONFIG_MACRO_DIR([m4])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
# This must be saved before AC_PROG_CC
USER_CFLAGS="$CFLAGS"
AC_PROG_CC([cc gcc])
AC_PROG_CC_STDC
AM_PROG_CC_C_O
AC_PROG_LIBTOOL
LT_INIT
CHECK_OS_OPTIONS
CHECK_C_HARDENING_OPTIONS
DISABLE_AS_EXECUTABLE_STACK
AM_PROG_AS
DISABLE_COMPILER_WARNINGS
# Check if the certhash command should be built
AC_CHECK_FUNCS([symlink])
AM_CONDITIONAL([BUILD_CERTHASH], [test "x$ac_cv_func_symlink" = xyes])
# Check if funopen exists
AC_CHECK_FUNC([funopen])
CHECK_LIBC_COMPAT
CHECK_SYSCALL_COMPAT
CHECK_CRYPTO_COMPAT
CHECK_VA_COPY
CHECK_B64_NTOP
AC_ARG_WITH([openssldir],
AS_HELP_STRING([--with-openssldir],
[Set the default openssl directory]),
OPENSSLDIR="$withval"
AC_SUBST(OPENSSLDIR)
)
AM_CONDITIONAL([OPENSSLDIR_DEFINED], [test x$with_openssldir != x])
AC_ARG_ENABLE([extratests],
AS_HELP_STRING([--enable-extratests], [Enable extra tests that may be unreliable on some platforms]))
AM_CONDITIONAL([ENABLE_EXTRATESTS], [test "x$enable_extratests" = xyes])
AC_ARG_ENABLE([tests],
[AS_HELP_STRING([--disable-tests], [Disable tests @<:@default=enabled@:>@])],
[
if ! test "x${enable_tests}" = "xyes"; then
enable_tests="no"
fi],
[enable_tests="yes"])
AM_CONDITIONAL([ENABLE_TESTS], [test "x$enable_tests" = xyes])
# Add CPU-specific alignment flags
old_cflags=$CFLAGS
CFLAGS="$CFLAGS -I$srcdir/include"
AC_MSG_CHECKING([if BSWAP4 builds without __STRICT_ALIGNMENT])
AC_TRY_COMPILE([#include "$srcdir/crypto/modes/modes_lcl.h"],
[int a = 0; BSWAP4(a);],
AC_MSG_RESULT([yes])
BSWAP4=yes,
AC_MSG_RESULT([no])
BSWAP4=no)
CFLAGS="$old_cflags"
AS_CASE([$host_cpu],
[*sparc*], [CPPFLAGS="$CPPFLAGS -D__STRICT_ALIGNMENT"],
[*arm*], [host_cpu=arm],
[*amd64*], [host_cpu=x86_64 HOSTARCH=intel],
[i?86], [HOSTARCH=intel],
[x86_64], [HOSTARCH=intel]
)
AS_IF([test "x$BSWAP4" = "xyes" -a "$host_cpu" = "arm" ],,CPPFLAGS="$CPPFLAGS -D__STRICT_ALIGNMENT")
AM_CONDITIONAL([HOST_CPU_IS_INTEL], [test "x$HOSTARCH" = "xintel"])
AC_MSG_CHECKING([if .gnu.warning accepts long strings])
AC_LINK_IFELSE([AC_LANG_SOURCE([[
extern void SSLv3_method();
__asm__(".section .gnu.warning.SSLv3_method\n\t.ascii \"SSLv3_method is insecure\"\n\t.text");
int main() {return 0;}
]])], [
AC_DEFINE(HAS_GNU_WARNING_LONG, 1, [Define if .gnu.warning accepts long strings.])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
])
AC_ARG_ENABLE([asm],
AS_HELP_STRING([--disable-asm], [Disable assembly]))
AM_CONDITIONAL([OPENSSL_NO_ASM], [test "x$enable_asm" = "xno"])
# Conditionally enable assembly by default
AM_CONDITIONAL([HOST_ASM_ELF_ARM],
[test "x$HOST_ABI" = "xelf" -a "$host_cpu" = "arm" -a "x$enable_asm" != "xno"])
AM_CONDITIONAL([HOST_ASM_ELF_X86_64],
[test "x$HOST_ABI" = "xelf" -a "$host_cpu" = "x86_64" -a "x$enable_asm" != "xno"])
AM_CONDITIONAL([HOST_ASM_MACOSX_X86_64],
[test "x$HOST_ABI" = "xmacosx" -a "$host_cpu" = "x86_64" -a "x$enable_asm" != "xno"])
AM_CONDITIONAL([HOST_ASM_MASM_X86_64],
[test "x$HOST_ABI" = "xmasm" -a "$host_cpu" = "x86_64" -a "x$enable_asm" != "xno"])
AM_CONDITIONAL([HOST_ASM_MINGW64_X86_64],
[test "x$HOST_ABI" = "xmingw64" -a "$host_cpu" = "x86_64" -a "x$enable_asm" != "xno"])
# Check if time_t is sized correctly
AC_CHECK_SIZEOF([time_t], [time.h])
AC_CONFIG_FILES([
Makefile
include/Makefile
include/openssl/Makefile
crypto/Makefile
ssl/Makefile
tls/Makefile
tests/Makefile
apps/Makefile
apps/ocspcheck/Makefile
apps/openssl/Makefile
apps/nc/Makefile
man/Makefile
libcrypto.pc
libssl.pc
libtls.pc
openssl.pc
])
AM_CONDITIONAL([SMALL_TIME_T], [test "$ac_cv_sizeof_time_t" = "4"])
if test "$ac_cv_sizeof_time_t" = "4"; then
AC_DEFINE([SMALL_TIME_T])
echo " ** Warning, this system is unable to represent times past 2038"
echo " ** It will behave incorrectly when handling valid RFC5280 dates"
if test "$host_os" = "mingw32" ; then
echo " **"
echo " ** You can solve this by adjusting the build flags in your"
echo " ** mingw-w64 toolchain. Refer to README.windows for details."
fi
fi
AC_REQUIRE_AUX_FILE([tap-driver.sh])
AC_OUTPUT
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