344 lines
10 KiB
Plaintext
344 lines
10 KiB
Plaintext
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])
|
|
AC_CONFIG_MACRO_DIR([m4])
|
|
|
|
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
|
|
|
|
AC_PROG_CC
|
|
AC_PROG_CC_STDC
|
|
AM_PROG_CC_C_O
|
|
AC_PROG_LIBTOOL
|
|
LT_INIT
|
|
|
|
CFLAGS="$CFLAGS -Wall -std=gnu99"
|
|
|
|
case $host_os in
|
|
*cygwin*)
|
|
HOST_OS=cygwin
|
|
;;
|
|
*darwin*)
|
|
HOST_OS=darwin
|
|
HOST_ABI=macosx
|
|
;;
|
|
*freebsd*)
|
|
HOST_OS=freebsd
|
|
HOST_ABI=elf
|
|
AC_SUBST([PROG_LDADD], ['-lthr'])
|
|
;;
|
|
*hpux*)
|
|
HOST_OS=hpux;
|
|
CFLAGS="$CFLAGS -mlp64"
|
|
CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=600 -D__STRICT_ALIGNMENT"
|
|
AC_SUBST([PLATFORM_LDADD], ['-lpthread'])
|
|
;;
|
|
*linux*)
|
|
HOST_OS=linux
|
|
HOST_ABI=elf
|
|
CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_SOURCE -D_GNU_SOURCE"
|
|
;;
|
|
*netbsd*)
|
|
HOST_OS=netbsd
|
|
CPPFLAGS="$CPPFLAGS -D_OPENBSD_SOURCE"
|
|
;;
|
|
*openbsd*)
|
|
HOST_ABI=elf
|
|
AC_DEFINE([HAVE_ATTRIBUTE__BOUNDED__], [1], [OpenBSD gcc has bounded])
|
|
;;
|
|
*mingw*)
|
|
HOST_OS=win
|
|
CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE -D_POSIX -D_POSIX_SOURCE -D__USE_MINGW_ANSI_STDIO"
|
|
CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_POSIX_THREAD_SAFE_FUNCTIONS"
|
|
CPPFLAGS="$CPPFLAGS -DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0600"
|
|
CPPFLAGS="$CPPFLAGS -DOPENSSL_NO_SPEED -DNO_SYSLOG"
|
|
CFLAGS="$CFLAGS -static-libgcc"
|
|
LDFLAGS="$LDFLAGS -static-libgcc"
|
|
AC_SUBST([PLATFORM_LDADD], ['-lws2_32'])
|
|
;;
|
|
*solaris*)
|
|
HOST_OS=solaris
|
|
HOST_ABI=elf
|
|
CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__ -D_XOPEN_SOURCE=600 -DBSD_COMP"
|
|
AC_SUBST([PLATFORM_LDADD], ['-lnsl -lsocket'])
|
|
;;
|
|
*) ;;
|
|
esac
|
|
|
|
AM_CONDITIONAL([HOST_CYGWIN], [test x$HOST_OS = xcygwin])
|
|
AM_CONDITIONAL([HOST_DARWIN], [test x$HOST_OS = xdarwin])
|
|
AM_CONDITIONAL([HOST_FREEBSD], [test x$HOST_OS = xfreebsd])
|
|
AM_CONDITIONAL([HOST_HPUX], [test x$HOST_OS = xhpux])
|
|
AM_CONDITIONAL([HOST_LINUX], [test x$HOST_OS = xlinux])
|
|
AM_CONDITIONAL([HOST_NETBSD], [test x$HOST_OS = xnetbsd])
|
|
AM_CONDITIONAL([HOST_SOLARIS], [test x$HOST_OS = xsolaris])
|
|
AM_CONDITIONAL([HOST_WIN], [test x$HOST_OS = xwin])
|
|
|
|
AC_CHECK_FUNC([clock_gettime],,
|
|
[AC_SEARCH_LIBS([clock_gettime],[rt posix4])])
|
|
|
|
AC_CHECK_FUNC([dl_iterate_phdr],,
|
|
[AC_SEARCH_LIBS([dl_iterate_phdr],[dl])])
|
|
|
|
AC_MSG_CHECKING([if compiling with clang])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[
|
|
#ifndef __clang__
|
|
not clang
|
|
#endif
|
|
]])],
|
|
[CLANG=yes],
|
|
[CLANG=no]
|
|
)
|
|
AC_MSG_RESULT([$CLANG])
|
|
AS_IF([test "x$CLANG" = "xyes"], [CLANG_FLAGS=-Qunused-arguments])
|
|
|
|
CFLAGS="$CFLAGS $CLANG_FLAGS"
|
|
LDFLAGS="$LDFLAGS $CLANG_FLAGS"
|
|
|
|
# We want to check for compiler flag support. Prior to clang v5.1, there was no
|
|
# way to make clang's "argument unused" warning fatal. So we invoke the
|
|
# compiler through a wrapper script that greps for this message.
|
|
saved_CC="$CC"
|
|
saved_LD="$LD"
|
|
flag_wrap="$srcdir/scripts/wrap-compiler-for-flag-check"
|
|
CC="$flag_wrap $CC"
|
|
LD="$flag_wrap $LD"
|
|
|
|
AC_ARG_ENABLE([hardening],
|
|
[AS_HELP_STRING([--disable-hardening],
|
|
[Disable options to frustrate memory corruption exploits])],
|
|
[], [enable_hardening=yes])
|
|
|
|
AC_ARG_ENABLE([windows-ssp],
|
|
[AS_HELP_STRING([--enable-windows-ssp],
|
|
[Enable building the stack smashing protection on
|
|
Windows. This currently distributing libssp-0.dll.])])
|
|
|
|
AC_DEFUN([CHECK_CFLAG], [
|
|
AC_LANG_ASSERT(C)
|
|
AC_MSG_CHECKING([if $saved_CC supports "$1"])
|
|
old_cflags="$CFLAGS"
|
|
CFLAGS="$1 -Wall -Werror"
|
|
AC_TRY_LINK([
|
|
#include <stdio.h>
|
|
],
|
|
[printf("Hello")],
|
|
AC_MSG_RESULT([yes])
|
|
CFLAGS=$old_cflags
|
|
HARDEN_CFLAGS="$HARDEN_CFLAGS $1",
|
|
AC_MSG_RESULT([no])
|
|
CFLAGS=$old_cflags
|
|
[$2])
|
|
])
|
|
|
|
AC_DEFUN([CHECK_LDFLAG], [
|
|
AC_LANG_ASSERT(C)
|
|
AC_MSG_CHECKING([if $saved_LD supports "$1"])
|
|
old_ldflags="$LDFLAGS"
|
|
LDFLAGS="$1 -Wall -Werror"
|
|
AC_TRY_LINK([
|
|
#include <stdio.h>
|
|
],
|
|
[printf("Hello")],
|
|
AC_MSG_RESULT([yes])
|
|
LDFLAGS=$old_ldflags
|
|
HARDEN_LDFLAGS="$HARDEN_LDFLAGS $1",
|
|
AC_MSG_RESULT([no])
|
|
LDFLAGS=$old_ldflags
|
|
[$2])
|
|
])
|
|
|
|
AS_IF([test "x$enable_hardening" = "xyes"], [
|
|
# Tell GCC to NOT optimize based on signed arithmetic overflow
|
|
CHECK_CFLAG([[-fno-strict-overflow]])
|
|
|
|
# _FORTIFY_SOURCE replaces builtin functions with safer versions.
|
|
CHECK_CFLAG([[-D_FORTIFY_SOURCE=2]])
|
|
|
|
# Enable read only relocations
|
|
CHECK_LDFLAG([[-Wl,-z,relro]])
|
|
CHECK_LDFLAG([[-Wl,-z,now]])
|
|
|
|
# Windows security flags
|
|
AS_IF([test "x$HOST_OS" = "xwin"], [
|
|
CHECK_LDFLAG([[-Wl,--nxcompat]])
|
|
CHECK_LDFLAG([[-Wl,--dynamicbase]])
|
|
CHECK_LDFLAG([[-Wl,--high-entropy-va]])
|
|
])
|
|
|
|
# Use stack-protector-strong if available; if not, fallback to
|
|
# stack-protector-all which is considered to be overkill
|
|
AS_IF([test "x$enable_windows_ssp" = "xyes" -o "x$HOST_OS" != "xwin"], [
|
|
CHECK_CFLAG([[-fstack-protector-strong]],
|
|
CHECK_CFLAG([[-fstack-protector-all]],
|
|
AC_MSG_WARN([compiler does not appear to support stack protection])
|
|
)
|
|
)
|
|
AS_IF([test "x$HOST_OS" = "xwin"], [
|
|
AC_SEARCH_LIBS([__stack_chk_guard],[ssp])
|
|
])
|
|
])
|
|
])
|
|
|
|
|
|
# Restore CC, LD
|
|
CC="$saved_CC"
|
|
LD="$saved_LD"
|
|
|
|
CFLAGS="$CFLAGS $HARDEN_CFLAGS"
|
|
LDFLAGS="$LDFLAGS $HARDEN_LDFLAGS"
|
|
|
|
# Removing the dependency on -Wno-pointer-sign should be a goal
|
|
save_cflags="$CFLAGS"
|
|
CFLAGS=-Wno-pointer-sign
|
|
AC_MSG_CHECKING([whether CC supports -Wno-pointer-sign])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
|
|
[AC_MSG_RESULT([yes])]
|
|
[AM_CFLAGS=-Wno-pointer-sign],
|
|
[AC_MSG_RESULT([no])]
|
|
)
|
|
CFLAGS="$save_cflags $AM_CFLAGS"
|
|
|
|
save_cflags="$CFLAGS"
|
|
CFLAGS=
|
|
AC_MSG_CHECKING([whether AS supports .note.GNU-stack])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
__asm__(".section .note.GNU-stack,\"\",@progbits");]])],
|
|
[AC_MSG_RESULT([yes])]
|
|
[AM_CFLAGS=-DHAVE_GNU_STACK],
|
|
[AC_MSG_RESULT([no])]
|
|
)
|
|
CFLAGS="$save_cflags $AM_CFLAGS"
|
|
AM_PROG_AS
|
|
|
|
AC_CHECK_FUNCS([arc4random_buf asprintf explicit_bzero funopen getauxval])
|
|
AC_CHECK_FUNCS([getentropy issetugid memmem poll reallocarray])
|
|
AC_CHECK_FUNCS([strlcat strlcpy strndup strnlen strsep strtonum])
|
|
AC_CHECK_FUNCS([symlink])
|
|
AC_CHECK_FUNCS([timingsafe_bcmp timingsafe_memcmp])
|
|
|
|
# Share test results with automake
|
|
AM_CONDITIONAL([HAVE_ARC4RANDOM_BUF], [test "x$ac_cv_func_arc4random_buf" = xyes])
|
|
AM_CONDITIONAL([HAVE_ASPRINTF], [test "x$ac_cv_func_asprintf" = xyes])
|
|
AM_CONDITIONAL([HAVE_EXPLICIT_BZERO], [test "x$ac_cv_func_explicit_bzero" = xyes])
|
|
AM_CONDITIONAL([HAVE_GETENTROPY], [test "x$ac_cv_func_getentropy" = xyes])
|
|
AM_CONDITIONAL([HAVE_ISSETUGID], [test "x$ac_cv_func_issetugid" = xyes])
|
|
AM_CONDITIONAL([HAVE_MEMMEM], [test "x$ac_cv_func_memmem" = xyes])
|
|
AM_CONDITIONAL([HAVE_POLL], [test "x$ac_cv_func_poll" = xyes])
|
|
AM_CONDITIONAL([HAVE_REALLOCARRAY], [test "x$ac_cv_func_reallocarray" = xyes])
|
|
AM_CONDITIONAL([HAVE_STRLCAT], [test "x$ac_cv_func_strlcat" = xyes])
|
|
AM_CONDITIONAL([HAVE_STRLCPY], [test "x$ac_cv_func_strlcpy" = xyes])
|
|
AM_CONDITIONAL([HAVE_STRNDUP], [test "x$ac_cv_func_strndup" = xyes])
|
|
AM_CONDITIONAL([HAVE_STRNLEN], [test "x$ac_cv_func_strnlen" = xyes])
|
|
AM_CONDITIONAL([HAVE_STRSEP], [test "x$ac_cv_func_strsep" = xyes])
|
|
AM_CONDITIONAL([HAVE_STRTONUM], [test "x$ac_cv_func_strtonum" = xyes])
|
|
AM_CONDITIONAL([HAVE_TIMINGSAFE_BCMP], [test "x$ac_cv_func_timingsafe_bcmp" = xyes])
|
|
AM_CONDITIONAL([HAVE_TIMINGSAFE_MEMCMP], [test "x$ac_cv_func_timingsafe_memcmp" = xyes])
|
|
AM_CONDITIONAL([BUILD_CERTHASH], [test "x$ac_cv_func_symlink" = xyes])
|
|
|
|
# overrides for arc4random_buf implementations with known issues
|
|
AM_CONDITIONAL([HAVE_ARC4RANDOM_BUF],
|
|
[test "x$HOST_OS" != xdarwin \
|
|
-a "x$HOST_OS" != xfreebsd \
|
|
-a "x$HOST_OS" != xnetbsd \
|
|
-a "x$ac_cv_func_arc4random_buf" = xyes])
|
|
|
|
# overrides for issetugid implementations with known issues
|
|
AM_CONDITIONAL([HAVE_ISSETUGID],
|
|
[test "x$HOST_OS" != xdarwin \
|
|
-a "x$ac_cv_func_issetugid" = xyes])
|
|
|
|
AC_CACHE_CHECK([whether va_copy exists], ac_cv_have_va_copy, [
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <stdarg.h>
|
|
va_list x,y;
|
|
]], [[ va_copy(x,y); ]])],
|
|
[ ac_cv_have_va_copy="yes" ],
|
|
[ ac_cv_have_va_copy="no"
|
|
])
|
|
])
|
|
if test "x$ac_cv_have_va_copy" = "xyes" ; then
|
|
AC_DEFINE([HAVE_VA_COPY], [1], [Define if va_copy exists])
|
|
fi
|
|
|
|
AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
|
#include <stdarg.h>
|
|
va_list x,y;
|
|
]], [[ __va_copy(x,y); ]])],
|
|
[ ac_cv_have___va_copy="yes" ], [ ac_cv_have___va_copy="no"
|
|
])
|
|
])
|
|
if test "x$ac_cv_have___va_copy" = "xyes" ; then
|
|
AC_DEFINE([HAVE___VA_COPY], [1], [Define if __va_copy exists])
|
|
fi
|
|
|
|
AC_CHECK_HEADERS([sys/sysctl.h err.h])
|
|
|
|
AC_ARG_WITH([openssldir],
|
|
AS_HELP_STRING([--with-openssldir],
|
|
[Set the default openssl directory]),
|
|
AC_DEFINE_UNQUOTED(OPENSSLDIR, "$withval")
|
|
)
|
|
|
|
AC_ARG_WITH([enginesdir],
|
|
AS_HELP_STRING([--with-enginesdir],
|
|
[Set the default engines directory (use with openssldir)]),
|
|
AC_DEFINE_UNQUOTED(ENGINESDIR, "$withval")
|
|
)
|
|
|
|
AC_ARG_ENABLE([asm],
|
|
AS_HELP_STRING([--disable-asm], [Disable assembly]))
|
|
AM_CONDITIONAL([OPENSSL_NO_ASM], [test "x$enable_asm" = "xno"])
|
|
|
|
AC_ARG_ENABLE([extratests],
|
|
AS_HELP_STRING([--enable-extratests], [Enable extra tests that may be unreliable on some platforms]))
|
|
AM_CONDITIONAL([ENABLE_EXTRATESTS], [test "x$enable_extratests" = xyes])
|
|
|
|
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"
|
|
|
|
case $host_cpu in
|
|
*sparc*)
|
|
CPPFLAGS="$CPPFLAGS -D__STRICT_ALIGNMENT"
|
|
;;
|
|
*arm*)
|
|
AS_IF([test "x$BSWAP4" = "xyes"],,
|
|
CPPFLAGS="$CPPFLAGS -D__STRICT_ALIGNMENT")
|
|
;;
|
|
esac
|
|
|
|
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"])
|
|
|
|
AC_CONFIG_FILES([
|
|
Makefile
|
|
include/Makefile
|
|
include/openssl/Makefile
|
|
crypto/Makefile
|
|
ssl/Makefile
|
|
tls/Makefile
|
|
tests/Makefile
|
|
apps/Makefile
|
|
man/Makefile
|
|
libcrypto.pc
|
|
libssl.pc
|
|
libtls.pc
|
|
openssl.pc
|
|
])
|
|
|
|
AC_OUTPUT
|