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957a29c469
libsodium/configure.ac
Frank Denis 33357dc52e Running the JS tests requires the filesystem.
2015-01-18 00:46:48 +01:00

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AC_PREREQ([2.65])
AC_INIT([libsodium],[1.0.2],
[https://github.com/jedisct1/libsodium/issues],
[libsodium],
[https://github.com/jedisct1/libsodium])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([src/libsodium/sodium/version.c])
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE([1.11 dist-bzip2 tar-ustar foreign subdir-objects])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AM_MAINTAINER_MODE
AM_DEP_TRACK
AC_SUBST(VERSION)
ISODATE=`date +%Y-%m-%d`
AC_SUBST(ISODATE)
SODIUM_LIBRARY_VERSION_MAJOR=7
SODIUM_LIBRARY_VERSION_MINOR=4
DLL_VERSION=6
SODIUM_LIBRARY_VERSION=14:0:1
# | | |
# +------+ | +---+
# | | |
# current:revision:age
# | | |
# | | +- increment if interfaces have been added
# | | set to zero if interfaces have been removed
# | | or changed
# | +- increment if source code has changed
# | set to zero if current is incremented
# +- increment if interfaces have been added, removed or changed
AC_SUBST(SODIUM_LIBRARY_VERSION_MAJOR)
AC_SUBST(SODIUM_LIBRARY_VERSION_MINOR)
AC_SUBST(SODIUM_LIBRARY_VERSION)
AC_SUBST(DLL_VERSION)
LX_CFLAGS=${CFLAGS-NONE}
dnl Path check
AS_IF([test pwd | fgrep ' ' > /dev/null 2>&1],
[AC_MSG_WARN([The build directory contains whitespaces - This can cause tests/installation to fail due to limitations of some libtool versions])]
)
dnl Switches
AC_ARG_ENABLE(ssp,
[AS_HELP_STRING(--disable-ssp,Do not compile with -fstack-protector)],
[
AS_IF([test "x$enableval" = "xno"], [
enable_ssp="no"
], [
enable_ssp="yes"
])
],
[
enable_ssp="yes"
])
AC_ARG_ENABLE(asm,
[AS_HELP_STRING(--disable-asm,Disable assembly implementations)],
[
AS_IF([test "x$enableval" = "xno"], [
enable_asm="no"
], [
enable_asm="yes"
])
],
[
enable_asm="yes"
])
AS_IF([test "x$EMSCRIPTEN" != "x"],[
enable_asm="no"
AC_MSG_WARN([compiling to javascript - asm implementations disabled])
])
AC_ARG_ENABLE(pie,
[AS_HELP_STRING(--disable-pie,Do not produce position independent executables)],
enable_pie=$enableval, enable_pie="maybe")
AS_CASE([$host_os], [mingw*|cygwin*|msys], [enable_pie="no"])
AC_ARG_ENABLE(blocking-random,
[AS_HELP_STRING(--enable-blocking-random,Enable this switch only if /dev/urandom is totally broken on the target platform)],
[
AS_IF([test "x$enableval" = "xyes"], [
AC_DEFINE([USE_BLOCKING_RANDOM], [1], [/dev/urandom is insecure on the target platform])
])
])
AC_ARG_ENABLE(minimal,
[AS_HELP_STRING(--enable-minimal,
[Only compile the minimum set of functions required for the high-level API])],
[
AS_IF([test "x$enableval" = "xyes"], [
enable_minimal="yes"
], [
enable_minimal="no"
])
],
[
enable_minimal="no"
])
AM_CONDITIONAL([MINIMAL], [test x$enable_minimal = xyes])
AC_ARG_WITH(safecode,
[AS_HELP_STRING(--with-safecode,For maintainers only - please do not use)],
[AS_IF([test "x$withval" = "xyes"], [
AC_ARG_VAR([SAFECODE_HOME], [set to the safecode base directory])
: ${SAFECODE_HOME:=/opt/safecode}
LDFLAGS="$LDFLAGS -L${SAFECODE_HOME}/lib"
LIBS="$LIBS -lsc_dbg_rt -lpoolalloc_bitmap -lstdc++"
CFLAGS="$CFLAGS -fmemsafety"
])
])
AC_ARG_ENABLE(debug,
[AS_HELP_STRING(--enable-debug,For maintainers only - please do not use)],
[
AS_IF([test "x$enableval" = "xyes"], [
AS_IF([test "x$LX_CFLAGS" = "xNONE"], [
nxflags=""
for flag in `echo $CFLAGS`; do
AS_CASE([$flag],
[-O*], [ ],
[-g*], [ ],
[*], [AS_VAR_APPEND([nxflags], [" $flag"])])
done
CFLAGS="$nxflags -O0 -g3"
])
CPPFLAGS="$CPPFLAGS -DDEBUG=1"
])
])
AC_SUBST([MAINT])
dnl Checks
AC_PROG_CC_C99
AM_PROG_AS
AC_USE_SYSTEM_EXTENSIONS
AX_CHECK_COMPILE_FLAG([-D_FORTIFY_SOURCE=2],
[CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"])
AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
[CFLAGS="$CFLAGS -fvisibility=hidden"])
AS_CASE([$host_os], [cygwin*|mingw*|msys|pw32*|cegcc*], [ ], [
AX_CHECK_COMPILE_FLAG([-fPIC], [
AX_CHECK_LINK_FLAG([-fPIC],
[CFLAGS="$CFLAGS -fPIC"]
)
])
])
AS_IF([test "$enable_pie" != "no"],[
AX_CHECK_COMPILE_FLAG([-fPIE], [
AX_CHECK_LINK_FLAG([-fPIE],
[AX_CHECK_LINK_FLAG([-pie],
[CFLAGS="$CFLAGS -fPIE"
LDFLAGS="$LDFLAGS -pie"])
])
])
])
AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [CFLAGS="$CFLAGS -fno-strict-aliasing"])
AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CFLAGS="$CFLAGS -fno-strict-overflow"], [
AX_CHECK_COMPILE_FLAG([-fwrapv], [CFLAGS="$CFLAGS -fwrapv"])
])
LIBTOOL_OLD_FLAGS="$LIBTOOL_EXTRA_FLAGS"
LIBTOOL_EXTRA_FLAGS="$LIBTOOL_EXTRA_FLAGS -version-info $SODIUM_LIBRARY_VERSION"
AC_ARG_ENABLE(soname-versions,
[AC_HELP_STRING([--enable-soname-versions], [enable soname versions (must be disabled for Android) (default: enabled)])],
[
AS_IF([test "x$enableval" = "xno"], [
LIBTOOL_EXTRA_FLAGS="$LIBTOOL_OLD_FLAGS -avoid-version"
])
]
)
AS_CASE([$host_os],
[cygwin*|mingw*|msys|pw32*|cegcc*], [
AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
])
AS_IF([test "x$enable_ssp" != "xno"],[
AS_CASE([$host_os],
[cygwin*|mingw*|msys|pw32*|cegcc*], [ ],
[*], [
AX_CHECK_COMPILE_FLAG([-fstack-protector], [
AX_CHECK_LINK_FLAG([-fstack-protector],
[CFLAGS="$CFLAGS -fstack-protector"]
)
])
])
])
AX_CHECK_COMPILE_FLAG([-Winit-self], [CFLAGS="$CFLAGS -Winit-self"])
AX_CHECK_COMPILE_FLAG([-Wwrite-strings], [CFLAGS="$CFLAGS -Wwrite-strings"])
AX_CHECK_COMPILE_FLAG([-Wdiv-by-zero], [CFLAGS="$CFLAGS -Wdiv-by-zero"])
AX_CHECK_COMPILE_FLAG([-Wsometimes-uninitialized], [CFLAGS="$CFLAGS -Wsometimes-uninitialized"])
AC_ARG_VAR([CWFLAGS], [define to compilation flags for generating extra warnings])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wall], [CWFLAGS="$CWFLAGS -Wall"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wextra], [CWFLAGS="$CWFLAGS -Wextra"])
AC_MSG_CHECKING(for clang)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
#ifndef __clang__
be sad
#endif
]])],
[AC_MSG_RESULT(yes)
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wno-unknown-warning-option],
[CWFLAGS="$CWFLAGS -Wno-unknown-warning-option"])
],
[AC_MSG_RESULT(no)
])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wbad-function-cast], [CWFLAGS="$CWFLAGS -Wbad-function-cast"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcast-align], [CWFLAGS="$CWFLAGS -Wcast-align"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcast-qual], [CWFLAGS="$CWFLAGS -Wcast-qual"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wchar-subscripts], [CWFLAGS="$CWFLAGS -Wchar-subscripts"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcomment], [CWFLAGS="$CWFLAGS -Wcomment"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wfloat-equal], [CWFLAGS="$CWFLAGS -Wfloat-equal"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wformat=2], [CWFLAGS="$CWFLAGS -Wformat=2"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wimplicit], [CWFLAGS="$CWFLAGS -Wimplicit"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmissing-declarations], [CWFLAGS="$CWFLAGS -Wmissing-declarations"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmissing-prototypes], [CWFLAGS="$CWFLAGS -Wmissing-prototypes"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wnormalized=id], [CWFLAGS="$CWFLAGS -Wnormalized=id"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Woverride-init], [CWFLAGS="$CWFLAGS -Woverride-init"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wparentheses], [CWFLAGS="$CWFLAGS -Wparentheses"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wpointer-arith], [CWFLAGS="$CWFLAGS -Wpointer-arith"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wredundant-decls], [CWFLAGS="$CWFLAGS -Wredundant-decls"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wstrict-prototypes], [CWFLAGS="$CWFLAGS -Wstrict-prototypes"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wswitch-enum], [CWFLAGS="$CWFLAGS -Wswitch-enum"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wvariable-decl], [CWFLAGS="$CWFLAGS -Wvariable-decl"])
AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
AX_CHECK_LINK_FLAG([-Wl,-z,noexecstack], [LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"])
LT_INIT
AC_SUBST(LIBTOOL_DEPS)
AC_ARG_VAR([AR], [path to the ar utility])
AC_CHECK_TOOL([AR], [ar], [ar])
dnl Checks for headers
AS_IF([test "x$EMSCRIPTEN" = "x"],[
AC_MSG_CHECKING(for MMX instructions set)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#pragma GCC target("mmx")
#include <mmintrin.h>
]], [[ __m64 x = _mm_setzero_si64(); ]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_MMINTRIN_H], [1], [mmx is available])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING(for SSE2 instructions set)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#pragma GCC target("sse2")
#include <emmintrin.h>
]], [[ __m128d x = _mm_setzero_pd(); ]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_EMMINTRIN_H], [1], [sse2 is available])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING(for SSE3 instructions set)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#pragma GCC target("sse3")
#include <pmmintrin.h>
]], [[ __m128 x = _mm_addsub_ps(_mm_cvtpd_ps(_mm_setzero_pd()),
_mm_cvtpd_ps(_mm_setzero_pd())); ]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_PMMINTRIN_H], [1], [sse3 is available])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING(for SSSE3 instructions set)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#pragma GCC target("ssse3")
#include <tmmintrin.h>
]], [[ __m64 x = _mm_abs_pi32(_m_from_int(0)); ]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_TMMINTRIN_H], [1], [ssse3 is available])],
[AC_MSG_RESULT(no)])
])
AC_CHECK_HEADERS([sys/mman.h])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_C_BIGENDIAN(
AC_DEFINE(NATIVE_BIG_ENDIAN, 1, [machine is bigendian]),
AC_DEFINE(NATIVE_LITTLE_ENDIAN, 1, [machine is littleendian]),
AC_MSG_ERROR([unknown endianess]),
AC_MSG_ERROR([universal endianess is not supported - compile separately and use lipo(1)])
)
AC_MSG_CHECKING(whether __STDC_LIMIT_MACROS is required)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <limits.h>
#include <stdint.h>
]], [[
(void) SIZE_MAX;
(void) UINT64_MAX;
]])],
[AC_MSG_RESULT(no)],
[AC_MSG_RESULT(yes)
CPPFLAGS="$CPPFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS"
])
HAVE_AMD64_ASM_V=0
AS_IF([test "$enable_asm" != "no"],[
AC_MSG_CHECKING(whether we should use x86_64 asm code)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
]], [[
#if defined(__amd64) || defined(__amd64__) || defined(__x86_64__)
# if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(_WIN32) || defined(_WIN64)
# error Windows x86_64 calling conventions are not supported yet
# endif
/* neat */
#else
# error !x86_64
#endif
__asm__("pxor %xmm12,%xmm6");
]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_AMD64_ASM], [1], [x86_64 asm code should be used])
HAVE_AMD64_ASM_V=1],
[AC_MSG_RESULT(no)])
])
AM_CONDITIONAL([HAVE_AMD64_ASM], [test $HAVE_AMD64_ASM_V = 1])
AC_SUBST(HAVE_AMD64_ASM_V)
AC_MSG_CHECKING(for 128-bit arithmetic)
HAVE_TI_MODE_V=0
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifndef __GNUC__
# error mode(TI) is a gcc extension
#endif
#if defined(__clang__) && !defined(__x86_64__)
# error clang doesn't properly compile smult_curve25519_donna_c64.c
#endif
#ifndef NATIVE_LITTLE_ENDIAN
# error donna_c64 currently requires a little endian CPU
#endif
#ifdef EMSCRIPTEN
# error emscripten currently supports only shift operations on integers \
# larger than 64 bits
#endif
#include <stdint.h>
typedef unsigned uint128_t __attribute__((mode(TI)));
void fcontract(uint128_t *t) {
*t += 0x8000000000000 - 1;
}
]], [[
(void) fcontract;
]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_TI_MODE], [1], [gcc TI mode is available])
HAVE_TI_MODE_V=1],
[AC_MSG_RESULT(no)])
AM_CONDITIONAL([HAVE_TI_MODE], [test $HAVE_TI_MODE_V = 1])
AC_SUBST(HAVE_TI_MODE_V)
HAVE_CPUID_V=0
AS_IF([test "$enable_asm" != "no"],[
AC_MSG_CHECKING(for cpuid instruction)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
unsigned int cpu_info[4];
__asm__ __volatile__ ("xchgl %%ebx, %k1; cpuid; xchgl %%ebx, %k1" :
"=a" (cpu_info[0]), "=&r" (cpu_info[1]),
"=c" (cpu_info[2]), "=d" (cpu_info[3]) :
"0" (0U), "2" (0U));
]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_CPUID], [1], [cpuid instruction is available])
HAVE_CPUID_V=1],
[AC_MSG_RESULT(no)])
])
AC_SUBST(HAVE_CPUID_V)
AC_MSG_CHECKING(if weak symbols are supported)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
__attribute__((weak)) void __dummy(void *x) { }
void f(void *x) { __dummy(x); }
]], [[ ]]
)],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_WEAK_SYMBOLS], [1], [weak symbols are supported])],
[AC_MSG_RESULT(no)])
AS_CASE([$host_cpu],
[i*86 | x86_64 | powerpc* | s390*],
[AC_MSG_NOTICE([data alignment is not required on this target])],
[*],
[AC_MSG_NOTICE([data alignment is required on this target])
AC_DEFINE([CPU_ALIGNED_ACCESS_REQUIRED], [1], [data alignment is required])]
)
dnl Checks for functions and headers
AS_IF([test "x$EMSCRIPTEN" = "x"],[
AC_CHECK_FUNCS([arc4random arc4random_buf])
AC_CHECK_FUNCS([mmap mlock madvise mprotect explicit_bzero])
])
AC_CHECK_FUNCS([posix_memalign])
AC_SUBST([LIBTOOL_EXTRA_FLAGS])
TEST_LDFLAGS=''
AS_IF([test "x$EMSCRIPTEN" != "x"],[
EXEEXT=.js
TEST_LDFLAGS='--memory-init-file 0 --pre-js pre.js.inc -s NO_BROWSER=1 -s RESERVED_FUNCTION_POINTERS=8'
])
AC_SUBST(TEST_LDFLAGS)
AM_CONDITIONAL([EMSCRIPTEN], [test "x$EMSCRIPTEN" != "x"])
dnl Libtool.
LT_INIT([dlopen])
AC_LIBTOOL_WIN32_DLL
gl_LD_OUTPUT_DEF
dnl Output.
AH_VERBATIM([NDEBUG], [/* Always evaluate assert() calls */
#ifdef NDEBUG
#/**/undef/**/ NDEBUG
#endif])
AC_CONFIG_FILES([Makefile
dist-build/Makefile
libsodium.pc
libsodium-uninstalled.pc
msvc-scripts/Makefile
src/Makefile
src/libsodium/Makefile
src/libsodium/include/Makefile
src/libsodium/include/sodium/version.h
test/default/Makefile
test/Makefile
])
AC_OUTPUT
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