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-rw-r--r--configure.ac446
1 files changed, 446 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..773c0d3
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,446 @@
+AC_PREREQ([2.65])
+AC_INIT([libsodium],[0.6.1],
+ [https://github.com/jedisct1/libsodium/issues],
+ [libsodium],
+ [https://github.com/jedisct1/libsodium])
+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=6
+SODIUM_LIBRARY_VERSION_MINOR=1
+DLL_VERSION=5
+SODIUM_LIBRARY_VERSION=12:0:2
+# | | |
+# +------+ | +---+
+# | | |
+# 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=${CFLAGS-NONE}
+
+dnl Switches
+
+AC_ARG_ENABLE(ssp,
+[AS_HELP_STRING(--disable-ssp,Do not compile with -fstack-protector)],
+[
+ AS_IF([test "x$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])
+])
+
+AS_CASE([$host], [x86_64-*-mingw* | x86_64-*-cygwin*], [enable_asm="no"])
+
+AC_ARG_ENABLE(pie,
+[AS_HELP_STRING(--disable-pie,Do not produce position independent executables)],
+ enable_pie=$enableval, enable_pie="maybe")
+
+AS_CASE([$host_os], [mingw*], [enable_pie="no"])
+
+AC_ARG_ENABLE(blocking-random,
+[AS_HELP_STRING(--enable-blocking-random,Use /dev/random instead of /dev/urandom)],
+[
+ AS_IF([test "x$enableval" = "xyes"], [
+ AC_DEFINE([USE_BLOCKING_RANDOM], [1], [Use blocking random])
+ ])
+])
+
+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="$CPPFLAGS -DDEBUG=1"
+ ])
+])
+
+AC_SUBST([MAINT])
+
+dnl Checks
+
+AC_PROG_CC_C99
+AM_PROG_AS
+AC_USE_SYSTEM_EXTENSIONS
+CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
+
+AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
+ [CFLAGS="$CFLAGS -fvisibility=hidden"])
+
+AX_CHECK_COMPILE_FLAG([-fPIC], [
+ AX_CHECK_LINK_FLAG([-fPIC],
+ [CFLAGS="$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="$LDFLAGS -pie"])
+ ])
+ ])
+])
+
+AX_CHECK_COMPILE_FLAG([-fwrapv], [CFLAGS="$CFLAGS -fwrapv"])
+AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [CFLAGS="$CFLAGS -fno-strict-aliasing"])
+AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CFLAGS="$CFLAGS -fno-strict-overflow"])
+
+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* | 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* | pw32* | cegcc*], [ ],
+ [dragonfly*], [
+ AX_CHECK_COMPILE_FLAG([-fstack-protector], [
+ AX_CHECK_LINK_FLAG([-fstack-protector],
+ [CFLAGS="$CFLAGS -fstack-protector"]
+ )
+ ])
+ ],
+ [*], [
+ AX_CHECK_COMPILE_FLAG([-fstack-protector-all], [
+ AX_CHECK_LINK_FLAG([-fstack-protector-all],
+ [CFLAGS="$CFLAGS -fstack-protector-all"]
+ )
+ ])
+ ])
+])
+
+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 can assemble basic amd64 code)
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ ]], [[
+#if defined(__amd64) || defined(__amd64__) || defined(__x86_64__)
+/* neat */
+#else
+# error !amd64
+#endif
+__asm__("pxor %xmm12,%xmm6");
+]])],
+ [AC_MSG_RESULT(yes)
+ AC_DEFINE([HAVE_AMD64_ASM], [1], [basic amd64 code can be assembled])
+ 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([$host_cpu],
+ [i*86 | x86_64 | powerpc* | s390*],
+ [AC_MSG_NOTICE([data alignment is not required on this target])],
+ [*],
+ [AC_MSG_NOTICE([data alignment is required on this target])
+ AC_DEFINE([CPU_ALIGNED_ACCESS_REQUIRED], [1], [data alignment is required])]
+)
+
+dnl Checks for functions and headers
+
+AC_CHECK_FUNC(clock_gettime, , [AC_CHECK_LIB(rt, clock_gettime)])
+AC_CHECK_FUNC(fegetenv, , [AC_CHECK_LIB(m, fegetenv)])
+
+AS_IF([test "x$EMSCRIPTEN" = "x"],[
+ AC_CHECK_FUNCS([arc4random arc4random_buf])
+])
+AC_CHECK_FUNCS([mlock VirtualLock])
+AC_CHECK_FUNCS([SecureZeroMemory explicit_bzero posix_memalign])
+
+AC_SUBST([LIBTOOL_EXTRA_FLAGS])
+
+dnl Libtool.
+
+LT_INIT([dlopen])
+AC_LIBTOOL_WIN32_DLL
+gl_LD_OUTPUT_DEF
+
+dnl Output.
+
+AH_VERBATIM([NDEBUG], [/* Never ever ignore assertions */
+#ifdef NDEBUG
+#/**/undef/**/ NDEBUG
+#endif])
+
+AS_IF([test "x$PKG_CONFIG" != "x"], [
+ AC_CONFIG_FILES([libsodium.pc])
+])
+AC_CONFIG_FILES([Makefile
+ dist-build/Makefile
+ 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