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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..888ca19 --- /dev/null +++ b/configure.ac @@ -0,0 +1,165 @@ +# 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 |