919 lines
29 KiB
Plaintext
919 lines
29 KiB
Plaintext
|
AC_PREREQ([2.69])
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AC_INIT([libsodium],[1.0.18],[https://github.com/jedisct1/libsodium/issues],[libsodium],[https://libsodium.org])
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AC_CONFIG_AUX_DIR([build-aux])
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AC_CONFIG_MACRO_DIR([m4])
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AC_CONFIG_SRCDIR([src/libsodium/sodium/version.c])
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AC_CANONICAL_HOST
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AC_CANONICAL_TARGET
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AM_INIT_AUTOMAKE([1.11 dist-bzip2 tar-ustar foreign subdir-objects])
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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AM_MAINTAINER_MODE
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AM_DEP_TRACK
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AC_SUBST(VERSION)
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SODIUM_LIBRARY_VERSION_MAJOR=10
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SODIUM_LIBRARY_VERSION_MINOR=3
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DLL_VERSION=24
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SODIUM_LIBRARY_VERSION=26:0:3
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# | | |
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# +------+ | +---+
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# | | |
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# current:revision:age
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# | | |
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# | | +- increment if interfaces have been added
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# | | set to zero if interfaces have been removed
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# | | or changed
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# | +- increment if source code has changed
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# | set to zero if current is incremented
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# +- increment if interfaces have been added, removed or changed
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AC_SUBST(SODIUM_LIBRARY_VERSION_MAJOR)
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AC_SUBST(SODIUM_LIBRARY_VERSION_MINOR)
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AC_SUBST(SODIUM_LIBRARY_VERSION)
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AC_SUBST(DLL_VERSION)
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AC_LANG_ASSERT(C)
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LX_CFLAGS=${CFLAGS-NONE}
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PKGCONFIG_LIBS_PRIVATE=""
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dnl Path check
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AS_IF([pwd | fgrep ' ' > /dev/null 2>&1],
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[AC_MSG_ERROR([The build directory contains whitespaces - This can cause tests/installation to fail due to limitations of some libtool versions])]
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)
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AC_PROG_CC
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AM_PROG_AS
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AC_USE_SYSTEM_EXTENSIONS
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dnl Switches
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AC_ARG_ENABLE(ssp,
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[AS_HELP_STRING(--disable-ssp,Do not compile with -fstack-protector)],
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[
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AS_IF([test "x$enableval" = "xno"], [
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enable_ssp="no"
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], [
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enable_ssp="yes"
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])
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],
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[
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enable_ssp="yes"
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])
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AC_ARG_ENABLE(asm,
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[AS_HELP_STRING(--disable-asm,[Do not compile assembly code -- As a side effect, this disables CPU-specific implementations on non-Windows platforms. Only for use with targets such as WebAssembly.])],
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[
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AS_IF([test "x$enableval" = "xno"], [
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enable_asm="no"
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], [
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enable_asm="yes"
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])
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],
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[
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enable_asm="yes"
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])
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AS_IF([test "x$EMSCRIPTEN" != "x"], [
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AX_CHECK_COMPILE_FLAG([-s ASSERTIONS=0], [
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enable_asm="no"
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AC_MSG_WARN([compiling to JavaScript - asm implementations disabled])
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], [
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AC_MSG_WARN([EMSCRIPTEN environment variable defined, but emcc doesn't appear to be used - Assuming compilation to native code])
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CFLAGS="$CFLAGS -U__EMSCRIPTEN__"
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unset EMSCRIPTEN
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])
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])
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AC_ARG_ENABLE(pie,
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[AS_HELP_STRING(--disable-pie,Do not produce position independent executables)],
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enable_pie=$enableval, enable_pie="maybe")
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AS_CASE([$host_os], [mingw*|cygwin*|msys|eabi*], [enable_pie="no"])
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AC_ARG_ENABLE(blocking-random,
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[AS_HELP_STRING(--enable-blocking-random,Enable this switch only if /dev/urandom is totally broken on the target platform)],
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[
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AS_IF([test "x$enableval" = "xyes"], [
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AC_DEFINE([USE_BLOCKING_RANDOM], [1], [/dev/urandom is insecure on the target platform])
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])
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])
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AC_ARG_ENABLE(minimal,
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[AS_HELP_STRING(--enable-minimal,
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[Only compile the minimum set of functions required for the high-level API])],
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[
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AS_IF([test "x$enableval" = "xyes"], [
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enable_minimal="yes"
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SODIUM_LIBRARY_MINIMAL_DEF="#define SODIUM_LIBRARY_MINIMAL 1"
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AC_DEFINE([MINIMAL], [1], [Define for a minimal build, without deprecated functions and functions that high-level APIs depend on])
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], [
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enable_minimal="no"
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])
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],
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[
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enable_minimal="no"
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])
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AM_CONDITIONAL([MINIMAL], [test x$enable_minimal = xyes])
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AC_SUBST(SODIUM_LIBRARY_MINIMAL_DEF)
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AC_ARG_WITH(pthreads, AS_HELP_STRING([--with-pthreads],
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[use pthreads library, or --without-pthreads to disable threading support.]),
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[ ], [withval="yes"])
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AS_IF([test "x$withval" = "xyes"], [
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AX_PTHREAD([
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <pthread.h>
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]], [[
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pthread_mutex_t mutex;
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pthread_mutex_lock(&mutex);
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pthread_mutex_unlock(&mutex)
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]]
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)], [
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AC_DEFINE([HAVE_PTHREAD], [1], [Define if you have POSIX threads libraries and header files])
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with_threads="yes"
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LIBS="$PTHREAD_LIBS $LIBS"
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PKGCONFIG_LIBS_PRIVATE="$PTHREAD_LIBS $PTHREAD_CFLAGS $PKGCONFIG_LIBS_PRIVATE"
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CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
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CC="$PTHREAD_CC"
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])
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],
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[ AC_MSG_NOTICE(pthread mutexes are not available) ]
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)
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], [with_threads="no"])
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AC_ARG_WITH(safecode,
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[AS_HELP_STRING(--with-safecode,For maintainers only - please do not use)],
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[AS_IF([test "x$withval" = "xyes"], [
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AC_ARG_VAR([SAFECODE_HOME], [set to the safecode base directory])
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: ${SAFECODE_HOME:=/opt/safecode}
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LDFLAGS="$LDFLAGS -L${SAFECODE_HOME}/lib"
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LIBS="$LIBS -lsc_dbg_rt -lpoolalloc_bitmap -lstdc++"
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CFLAGS="$CFLAGS -fmemsafety"
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])
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])
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AC_ARG_WITH(ctgrind,
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[AS_HELP_STRING(--with-ctgrind,For maintainers only - please do not use)],
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[AS_IF([test "x$withval" = "xyes"], [
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AC_CHECK_LIB(ctgrind, ct_poison)
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])
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])
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AC_ARG_ENABLE(retpoline,
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[AS_HELP_STRING(--enable-retpoline,Use return trampolines for indirect calls)],
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[AS_IF([test "x$enableval" = "xyes"], [
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AX_CHECK_COMPILE_FLAG([-mindirect-branch=thunk-inline],
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[CFLAGS="$CFLAGS -mindirect-branch=thunk-inline"],
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[AX_CHECK_COMPILE_FLAG([-mretpoline], [CFLAGS="$CFLAGS -mretpoline"])]
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)
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AX_CHECK_COMPILE_FLAG([-mindirect-branch-register])
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])
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])
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ENABLE_CWFLAGS=no
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AC_ARG_ENABLE(debug,
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[AS_HELP_STRING(--enable-debug,For maintainers only - please do not use)],
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[
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AS_IF([test "x$enableval" = "xyes"], [
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AS_IF([test "x$LX_CFLAGS" = "xNONE"], [
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nxflags=""
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for flag in `echo $CFLAGS`; do
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AS_CASE([$flag],
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[-O*], [ ],
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[-g*], [ ],
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[*], [AS_VAR_APPEND([nxflags], [" $flag"])])
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done
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CFLAGS="$nxflags -O -g3"
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])
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ENABLE_CWFLAGS=yes
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CPPFLAGS="$CPPFLAGS -DDEBUG=1 -U_FORTIFY_SOURCE"
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])
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])
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AC_ARG_ENABLE(opt,
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[AS_HELP_STRING(--enable-opt,Optimize for the native CPU - The resulting library will be faster but not portable)],
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[
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AS_IF([test "x$enableval" = "xyes"], [
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AX_CHECK_COMPILE_FLAG([-Ofast], [CFLAGS="$CFLAGS -Ofast"])
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AX_CHECK_COMPILE_FLAG([-ftree-vectorize], [CFLAGS="$CFLAGS -ftree-vectorize"])
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AX_CHECK_COMPILE_FLAG([-ftree-slp-vectorize], [CFLAGS="$CFLAGS -ftree-slp-vectorize"])
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AX_CHECK_COMPILE_FLAG([-fomit-frame-pointer], [CFLAGS="$CFLAGS -fomit-frame-pointer"])
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AX_CHECK_COMPILE_FLAG([-march=native], [CFLAGS="$CFLAGS -march=native"])
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])
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])
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AC_SUBST(MAINT)
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AC_SUBST(PKGCONFIG_LIBS_PRIVATE)
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AX_VALGRIND_CHECK
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dnl Checks
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AC_C_VARARRAYS
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AC_CHECK_DEFINE([__wasi__], [WASI="yes"], [])
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AS_CASE([$host_os], [linux-gnu], [AX_ADD_FORTIFY_SOURCE], [ ])
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AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
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[CFLAGS="$CFLAGS -fvisibility=hidden"])
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AS_CASE([$host_os], [cygwin*|mingw*|msys|pw32*|cegcc*|eabi*], [ ], [
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AX_CHECK_COMPILE_FLAG([-fPIC], [CFLAGS="$CFLAGS -fPIC"])
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])
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AS_IF([test "$enable_pie" != "no"],[
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AX_CHECK_COMPILE_FLAG([-fPIE], [
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AX_CHECK_LINK_FLAG([-pie], [
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[CFLAGS="$CFLAGS -fPIE"
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LDFLAGS="$LDFLAGS -pie"]
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])
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])
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])
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AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing], [CFLAGS="$CFLAGS -fno-strict-aliasing"])
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AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CFLAGS="$CFLAGS -fno-strict-overflow"], [
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AX_CHECK_COMPILE_FLAG([-fwrapv], [CFLAGS="$CFLAGS -fwrapv"])
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])
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AS_IF([test "$GCC" = "yes" ], [
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AS_CASE([$host_cpu],
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[i?86|amd64|x86_64], [
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AC_COMPILE_IFELSE(
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[AC_LANG_SOURCE([
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#if !defined(__clang__) && defined(__GNUC__) && ((__GNUC__ << 8) | __GNUC_MINOR__) < 0x403
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# error old gcc
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#endif
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int main(void) { return 0; }
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])],,[
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AX_CHECK_COMPILE_FLAG([-flax-vector-conversions], [CFLAGS="$CFLAGS -flax-vector-conversions"])
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])
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]
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)
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])
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LIBTOOL_OLD_FLAGS="$LIBTOOL_EXTRA_FLAGS"
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LIBTOOL_EXTRA_FLAGS="$LIBTOOL_EXTRA_FLAGS -version-info $SODIUM_LIBRARY_VERSION"
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AC_ARG_ENABLE(soname-versions,
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[AS_HELP_STRING([--enable-soname-versions], [enable soname versions (must be disabled for Android) (default: enabled)])],
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[
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AS_IF([test "x$enableval" = "xno"], [
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LIBTOOL_EXTRA_FLAGS="$LIBTOOL_OLD_FLAGS -avoid-version"
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])
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]
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)
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AS_CASE([$host_os],
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[cygwin*|mingw*|msys|pw32*|cegcc*], [
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AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
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AX_CHECK_LINK_FLAG([-Wl,--high-entropy-va], [LDFLAGS="$LDFLAGS -Wl,--high-entropy-va"])
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AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
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])
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AS_CASE([$host_os],
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[cygwin*|mingw*|msys|pw32*|cegcc*|eabi*], [
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AX_CHECK_COMPILE_FLAG([-fno-asynchronous-unwind-tables], [
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[CFLAGS="$CFLAGS -fno-asynchronous-unwind-tables"]
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||
|
|
])
|
||
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|
])
|
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|
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|
||
|
|
AC_MSG_CHECKING(for a broken Xcode version)
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|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
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|
|
#if !defined(__APPLE_CC__) || __APPLE_CC__ != 6000
|
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|
|
#error Not Apple
|
||
|
|
#endif
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||
|
|
#if !defined(__clang_major__) || __clang_major__ != 11
|
||
|
|
#error Not Xcode 11
|
||
|
|
#endif
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||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(yes)
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|
|
AC_MSG_WARN([Using unsupported Xcode version])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CFLAGS -fno-stack-check],
|
||
|
|
[CFLAGS="$CFLAGS -fno-stack-check"])
|
||
|
|
],
|
||
|
|
[AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
|
||
|
|
AS_IF([test "x$enable_ssp" != "xno"],[
|
||
|
|
|
||
|
|
AS_CASE([$host_os],
|
||
|
|
[cygwin*|mingw*|msys|pw32*|cegcc*|haiku|none|eabi*], [ ],
|
||
|
|
[*], [
|
||
|
|
AX_CHECK_COMPILE_FLAG([-fstack-protector], [
|
||
|
|
AX_CHECK_LINK_FLAG([-fstack-protector],
|
||
|
|
[CFLAGS="$CFLAGS -fstack-protector"]
|
||
|
|
)
|
||
|
|
])
|
||
|
|
])
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_ARG_VAR([CWFLAGS], [define to compilation flags for generating extra warnings])
|
||
|
|
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CFLAGS -Wall], [CWFLAGS="$CFLAGS -Wall"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CFLAGS -Wextra], [CWFLAGS="$CFLAGS -Wextra"])
|
||
|
|
|
||
|
|
AC_MSG_CHECKING(for clang)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
|
||
|
|
#ifndef __clang__
|
||
|
|
#error Not clang
|
||
|
|
#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([$CWFLAGS -Wcast-qual], [CWFLAGS="$CWFLAGS -Wcast-qual"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wdiv-by-zero], [CWFLAGS="$CWFLAGS -Wdiv-by-zero"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wduplicated-branches], [CWFLAGS="$CWFLAGS -Wduplicated-branches"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wduplicated-cond], [CWFLAGS="$CWFLAGS -Wduplicated-cond"])
|
||
|
|
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([$CWFLAGS -Wlogical-op], [CWFLAGS="$CWFLAGS -Wlogical-op"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmaybe-uninitialized], [CWFLAGS="$CWFLAGS -Wmaybe-uninitialized"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmisleading-indentation], [CWFLAGS="$CWFLAGS -Wmisleading-indentation"])
|
||
|
|
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([$CWFLAGS -Wnested-externs], [CWFLAGS="$CWFLAGS -Wnested-externs"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wno-type-limits], [CWFLAGS="$CWFLAGS -Wno-type-limits"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wno-unknown-pragmas], [CWFLAGS="$CWFLAGS -Wno-unknown-pragmas"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wnormalized=id], [CWFLAGS="$CWFLAGS -Wnormalized=id"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wnull-dereference], [CWFLAGS="$CWFLAGS -Wnull-dereference"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wold-style-declaration], [CWFLAGS="$CWFLAGS -Wold-style-declaration"])
|
||
|
|
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([$CWFLAGS -Wrestrict], [CWFLAGS="$CWFLAGS -Wrestrict"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wshorten-64-to-32], [CWFLAGS="$CWFLAGS -Wshorten-64-to-32"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wsometimes-uninitialized], [CWFLAGS="$CWFLAGS -Wsometimes-uninitialized"])
|
||
|
|
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_COMPILE_FLAG([$CWFLAGS -Wwrite-strings], [CWFLAGS="$CWFLAGS -Wwrite-strings"])
|
||
|
|
|
||
|
|
AS_IF([test "x$EMSCRIPTEN" = "x"], [
|
||
|
|
AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$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"])
|
||
|
|
])
|
||
|
|
|
||
|
|
AX_CHECK_CATCHABLE_SEGV
|
||
|
|
AX_CHECK_CATCHABLE_ABRT
|
||
|
|
|
||
|
|
AS_IF([test "x$with_threads" = "xyes"], [
|
||
|
|
AX_TLS([AC_MSG_RESULT(thread local storage is supported)
|
||
|
|
AX_CHECK_COMPILE_FLAG([-ftls-model=local-dynamic],
|
||
|
|
[CFLAGS="$CFLAGS -ftls-model=local-dynamic"])],
|
||
|
|
[AC_MSG_RESULT(thread local storage is not supported)]) ])
|
||
|
|
|
||
|
|
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$EMSCRIPTEN" = "x"], [
|
||
|
|
|
||
|
|
oldcflags="$CFLAGS"
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mmmx], [CFLAGS="$CFLAGS -mmmx"])
|
||
|
|
AC_MSG_CHECKING(for MMX instructions set)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#pragma GCC target("mmx")
|
||
|
|
#include <mmintrin.h>
|
||
|
|
]], [[ __m64 x = _mm_setzero_si64(); ]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_MMINTRIN_H], [1], [mmx is available])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mmmx], [CFLAGS_MMX="-mmmx"])],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
CFLAGS="$oldcflags"
|
||
|
|
|
||
|
|
oldcflags="$CFLAGS"
|
||
|
|
AX_CHECK_COMPILE_FLAG([-msse2], [CFLAGS="$CFLAGS -msse2"])
|
||
|
|
AC_MSG_CHECKING(for SSE2 instructions set)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#pragma GCC target("sse2")
|
||
|
|
#ifndef __SSE2__
|
||
|
|
# define __SSE2__
|
||
|
|
#endif
|
||
|
|
#include <emmintrin.h>
|
||
|
|
]], [[ __m128d x = _mm_setzero_pd();
|
||
|
|
__m128i z = _mm_srli_epi64(_mm_setzero_si128(), 26); ]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_EMMINTRIN_H], [1], [sse2 is available])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-msse2], [CFLAGS_SSE2="-msse2"])],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
CFLAGS="$oldcflags"
|
||
|
|
|
||
|
|
oldcflags="$CFLAGS"
|
||
|
|
AX_CHECK_COMPILE_FLAG([-msse3], [CFLAGS="$CFLAGS -msse3"])
|
||
|
|
AC_MSG_CHECKING(for SSE3 instructions set)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#pragma GCC target("sse3")
|
||
|
|
#include <pmmintrin.h>
|
||
|
|
]], [[ __m128 x = _mm_addsub_ps(_mm_cvtpd_ps(_mm_setzero_pd()),
|
||
|
|
_mm_cvtpd_ps(_mm_setzero_pd())); ]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_PMMINTRIN_H], [1], [sse3 is available])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-msse3], [CFLAGS_SSE3="-msse3"])],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
CFLAGS="$oldcflags"
|
||
|
|
|
||
|
|
oldcflags="$CFLAGS"
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mssse3], [CFLAGS="$CFLAGS -mssse3"])
|
||
|
|
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])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mssse3], [CFLAGS_SSSE3="-mssse3"])],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
CFLAGS="$oldcflags"
|
||
|
|
|
||
|
|
oldcflags="$CFLAGS"
|
||
|
|
AX_CHECK_COMPILE_FLAG([-msse4.1], [CFLAGS="$CFLAGS -msse4.1"])
|
||
|
|
AC_MSG_CHECKING(for SSE4.1 instructions set)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#pragma GCC target("sse4.1")
|
||
|
|
#include <smmintrin.h>
|
||
|
|
]], [[ __m128i x = _mm_minpos_epu16(_mm_setzero_si128()); ]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_SMMINTRIN_H], [1], [sse4.1 is available])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-msse4.1], [CFLAGS_SSE41="-msse4.1"])],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
CFLAGS="$oldcflags"
|
||
|
|
|
||
|
|
oldcflags="$CFLAGS"
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mavx], [CFLAGS="$CFLAGS -mavx"])
|
||
|
|
AC_MSG_CHECKING(for AVX instructions set)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#pragma GCC target("avx")
|
||
|
|
#include <immintrin.h>
|
||
|
|
]], [[ _mm256_zeroall(); ]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_AVXINTRIN_H], [1], [AVX is available])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mavx], [CFLAGS_AVX="-mavx"])],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
CFLAGS="$oldcflags"
|
||
|
|
|
||
|
|
oldcflags="$CFLAGS"
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mavx2], [CFLAGS="$CFLAGS -mavx2"])
|
||
|
|
AC_MSG_CHECKING(for AVX2 instructions set)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#pragma GCC target("avx2")
|
||
|
|
#include <immintrin.h>
|
||
|
|
]], [[
|
||
|
|
__m256 x = _mm256_set1_ps(3.14);
|
||
|
|
__m256 y = _mm256_permutevar8x32_ps(x, _mm256_set1_epi32(42));
|
||
|
|
return _mm256_movemask_ps(_mm256_cmp_ps(x, y, _CMP_NEQ_OQ));
|
||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_AVX2INTRIN_H], [1], [AVX2 is available])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mavx2], [CFLAGS_AVX2="-mavx2"])
|
||
|
|
AC_MSG_CHECKING(if _mm256_broadcastsi128_si256 is correctly defined)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#pragma GCC target("avx2")
|
||
|
|
#include <immintrin.h>
|
||
|
|
]], [[ __m256i y = _mm256_broadcastsi128_si256(_mm_setzero_si128()); ]])],
|
||
|
|
[AC_MSG_RESULT(yes)],
|
||
|
|
[AC_MSG_RESULT(no)
|
||
|
|
AC_DEFINE([_mm256_broadcastsi128_si256], [_mm_broadcastsi128_si256],
|
||
|
|
[Define to the local name of _mm256_broadcastsi128_si256])])
|
||
|
|
],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
CFLAGS="$oldcflags"
|
||
|
|
|
||
|
|
oldcflags="$CFLAGS"
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mavx512f], [CFLAGS="$CFLAGS -mavx512f"])
|
||
|
|
AC_MSG_CHECKING(for AVX512F instructions set)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#pragma GCC target("avx512f")
|
||
|
|
#include <immintrin.h>
|
||
|
|
]], [[
|
||
|
|
|
||
|
|
#ifndef __AVX512F__
|
||
|
|
# error No AVX512 support
|
||
|
|
#elif defined(__clang__)
|
||
|
|
# if __clang_major__ < 4
|
||
|
|
# error Compiler AVX512 support may be broken
|
||
|
|
# endif
|
||
|
|
#elif defined(__GNUC__)
|
||
|
|
# if __GNUC__ < 6
|
||
|
|
# error Compiler AVX512 support may be broken
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
__m512i x = _mm512_setzero_epi32();
|
||
|
|
__m512i y = _mm512_permutexvar_epi64(_mm512_setr_epi64(0, 1, 4, 5, 2, 3, 6, 7), x);
|
||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_AVX512FINTRIN_H], [1], [AVX512F is available])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mavx512f], [CFLAGS_AVX512F="-mavx512f"])],
|
||
|
|
[AC_MSG_RESULT(no)
|
||
|
|
AX_CHECK_COMPILE_FLAG([$CFLAGS -mno-avx512f],
|
||
|
|
[CFLAGS="$CFLAGS -mno-avx512f"])
|
||
|
|
])
|
||
|
|
CFLAGS="$oldcflags"
|
||
|
|
|
||
|
|
oldcflags="$CFLAGS"
|
||
|
|
AX_CHECK_COMPILE_FLAG([-maes], [CFLAGS="$CFLAGS -maes"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mpclmul], [CFLAGS="$CFLAGS -mpclmul"])
|
||
|
|
AC_MSG_CHECKING(for AESNI instructions set and PCLMULQDQ)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#pragma GCC target("aes")
|
||
|
|
#pragma GCC target("pclmul")
|
||
|
|
#include <wmmintrin.h>
|
||
|
|
]], [[ __m128i x = _mm_aesimc_si128(_mm_setzero_si128());
|
||
|
|
__m128i y = _mm_clmulepi64_si128(_mm_setzero_si128(), _mm_setzero_si128(), 0);]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_WMMINTRIN_H], [1], [aesni is available])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-maes], [CFLAGS_AESNI="-maes"])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mpclmul], [CFLAGS_PCLMUL="-mpclmul"])
|
||
|
|
],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
CFLAGS="$oldcflags"
|
||
|
|
|
||
|
|
oldcflags="$CFLAGS"
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mrdrnd], [CFLAGS="$CFLAGS -mrdrnd"])
|
||
|
|
AC_MSG_CHECKING(for RDRAND)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#pragma GCC target("rdrnd")
|
||
|
|
#include <immintrin.h>
|
||
|
|
]], [[ unsigned long long x; _rdrand64_step(&x); ]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_RDRAND], [1], [rdrand is available])
|
||
|
|
AX_CHECK_COMPILE_FLAG([-mrdrnd], [CFLAGS_RDRAND="-mrdrnd"])
|
||
|
|
],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
CFLAGS="$oldcflags"
|
||
|
|
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_SUBST(CFLAGS_MMX)
|
||
|
|
AC_SUBST(CFLAGS_SSE2)
|
||
|
|
AC_SUBST(CFLAGS_SSE3)
|
||
|
|
AC_SUBST(CFLAGS_SSSE3)
|
||
|
|
AC_SUBST(CFLAGS_SSE41)
|
||
|
|
AC_SUBST(CFLAGS_AVX)
|
||
|
|
AC_SUBST(CFLAGS_AVX2)
|
||
|
|
AC_SUBST(CFLAGS_AVX512F)
|
||
|
|
AC_SUBST(CFLAGS_AESNI)
|
||
|
|
AC_SUBST(CFLAGS_PCLMUL)
|
||
|
|
AC_SUBST(CFLAGS_RDRAND)
|
||
|
|
|
||
|
|
AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/random.h intrin.h])
|
||
|
|
|
||
|
|
AC_MSG_CHECKING([if _xgetbv() is available])
|
||
|
|
AC_LINK_IFELSE(
|
||
|
|
[AC_LANG_PROGRAM([[ #include <intrin.h> ]], [[ (void) _xgetbv(0) ]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE__XGETBV], [1], [_xgetbv() is available])],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
|
||
|
|
dnl Checks for typedefs, structures, and compiler characteristics.
|
||
|
|
|
||
|
|
AC_C_INLINE
|
||
|
|
AS_CASE([$host_cpu],
|
||
|
|
[i?86|amd64|x86_64],
|
||
|
|
[ac_cv_c_bigendian=no]
|
||
|
|
)
|
||
|
|
AC_C_BIGENDIAN(
|
||
|
|
AC_DEFINE(NATIVE_BIG_ENDIAN, 1, [machine is bigendian]),
|
||
|
|
AC_DEFINE(NATIVE_LITTLE_ENDIAN, 1, [machine is littleendian]),
|
||
|
|
AC_MSG_ERROR([unknown endianness]),
|
||
|
|
AC_MSG_ERROR([universal endianness is not supported - compile separately and use lipo(1)])
|
||
|
|
)
|
||
|
|
|
||
|
|
AC_MSG_CHECKING(whether __STDC_LIMIT_MACROS is required)
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#include <limits.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
]], [[
|
||
|
|
(void) SIZE_MAX;
|
||
|
|
(void) UINT64_MAX;
|
||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(no)],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
CPPFLAGS="$CPPFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS"
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_MSG_CHECKING(whether we can use inline asm code)
|
||
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
]], [[
|
||
|
|
int a = 42;
|
||
|
|
int *pnt = &a;
|
||
|
|
__asm__ __volatile__ ("" : : "r"(pnt) : "memory");
|
||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_INLINE_ASM], [1], [inline asm code can be used])]
|
||
|
|
[AC_MSG_RESULT(no)]
|
||
|
|
)
|
||
|
|
|
||
|
|
HAVE_AMD64_ASM_V=0
|
||
|
|
AS_IF([test "$enable_asm" != "no"],[
|
||
|
|
AC_MSG_CHECKING(whether we can use x86_64 asm code)
|
||
|
|
AC_LINK_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
|
||
|
|
unsigned char i = 0, o = 0, t;
|
||
|
|
__asm__ __volatile__ ("pxor %%xmm12, %%xmm6 \n"
|
||
|
|
"movb (%[i]), %[t] \n"
|
||
|
|
"addb %[t], (%[o]) \n"
|
||
|
|
: [t] "=&r"(t)
|
||
|
|
: [o] "D"(&o), [i] "S"(&i)
|
||
|
|
: "memory", "flags", "cc");
|
||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_AMD64_ASM], [1], [x86_64 asm code can be used])
|
||
|
|
HAVE_AMD64_ASM_V=1],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
])
|
||
|
|
AM_CONDITIONAL([HAVE_AMD64_ASM], [test $HAVE_AMD64_ASM_V = 1])
|
||
|
|
AC_SUBST(HAVE_AMD64_ASM_V)
|
||
|
|
|
||
|
|
HAVE_AVX_ASM_V=0
|
||
|
|
AS_IF([test "$enable_asm" != "no"],[
|
||
|
|
AC_MSG_CHECKING(whether we can assemble AVX opcodes)
|
||
|
|
AC_LINK_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__ __volatile__ ("vpunpcklqdq %xmm0,%xmm13,%xmm0");
|
||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_AVX_ASM], [1], [AVX opcodes are supported])
|
||
|
|
HAVE_AVX_ASM_V=1],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
])
|
||
|
|
AM_CONDITIONAL([HAVE_AVX_ASM], [test $HAVE_AVX_ASM_V = 1])
|
||
|
|
AC_SUBST(HAVE_AVX_ASM_V)
|
||
|
|
|
||
|
|
AC_MSG_CHECKING(for 128-bit arithmetic)
|
||
|
|
HAVE_TI_MODE_V=0
|
||
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#if !defined(__clang__) && !defined(__GNUC__) && !defined(__SIZEOF_INT128__)
|
||
|
|
# error mode(TI) is a gcc extension, and __int128 is not available
|
||
|
|
#endif
|
||
|
|
#if defined(__clang__) && !defined(__x86_64__) && !defined(__aarch64__)
|
||
|
|
# error clang does not properly handle the 128-bit type on 32-bit systems
|
||
|
|
#endif
|
||
|
|
#ifndef NATIVE_LITTLE_ENDIAN
|
||
|
|
# error libsodium currently expects a little endian CPU for the 128-bit type
|
||
|
|
#endif
|
||
|
|
#ifdef __EMSCRIPTEN__
|
||
|
|
# error emscripten currently doesn't support some operations on integers larger than 64 bits
|
||
|
|
#endif
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#if defined(__SIZEOF_INT128__)
|
||
|
|
typedef unsigned __int128 uint128_t;
|
||
|
|
#else
|
||
|
|
typedef unsigned uint128_t __attribute__((mode(TI)));
|
||
|
|
#endif
|
||
|
|
void fcontract(uint128_t *t) {
|
||
|
|
*t += 0x8000000000000 - 1;
|
||
|
|
*t *= *t;
|
||
|
|
*t >>= 84;
|
||
|
|
}
|
||
|
|
]], [[
|
||
|
|
(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_LINK_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)
|
||
|
|
|
||
|
|
asm_hide_symbol="unsupported"
|
||
|
|
AS_IF([test "$enable_asm" != "no"],[
|
||
|
|
AC_MSG_CHECKING(if the .private_extern asm directive is supported)
|
||
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
|
||
|
|
__asm__ __volatile__ (".private_extern dummy_symbol \n"
|
||
|
|
".private_extern _dummy_symbol \n"
|
||
|
|
".globl dummy_symbol \n"
|
||
|
|
".globl _dummy_symbol \n"
|
||
|
|
"dummy_symbol: \n"
|
||
|
|
"_dummy_symbol: \n"
|
||
|
|
" nop \n"
|
||
|
|
);
|
||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
asm_hide_symbol=".private_extern"],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
|
||
|
|
AC_MSG_CHECKING(if the .hidden asm directive is supported)
|
||
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
|
||
|
|
__asm__ __volatile__ (".hidden dummy_symbol \n"
|
||
|
|
".hidden _dummy_symbol \n"
|
||
|
|
".globl dummy_symbol \n"
|
||
|
|
".globl _dummy_symbol \n"
|
||
|
|
"dummy_symbol: \n"
|
||
|
|
"_dummy_symbol: \n"
|
||
|
|
" nop \n"
|
||
|
|
);
|
||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AS_IF([test "$asm_hide_symbol" = "unsupported"],
|
||
|
|
[asm_hide_symbol=".hidden"],
|
||
|
|
[AC_MSG_NOTICE([unable to reliably tag symbols as private])
|
||
|
|
asm_hide_symbol="unsupported"])
|
||
|
|
],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
|
||
|
|
AS_IF([test "$asm_hide_symbol" != "unsupported"],[
|
||
|
|
AC_DEFINE_UNQUOTED([ASM_HIDE_SYMBOL], [$asm_hide_symbol], [directive to hide symbols])
|
||
|
|
])
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_MSG_CHECKING(if weak symbols are supported)
|
||
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#if !defined(__ELF__) && !defined(__APPLE_CC__)
|
||
|
|
# error Support for weak symbols may not be available
|
||
|
|
#endif
|
||
|
|
__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)])
|
||
|
|
|
||
|
|
AC_MSG_CHECKING(if data alignment is required)
|
||
|
|
aligned_access_required=yes
|
||
|
|
AS_CASE([$host_cpu],
|
||
|
|
[i?86|amd64|x86_64|powerpc*|s390*],
|
||
|
|
[aligned_access_required=no],
|
||
|
|
[arm*],
|
||
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#ifndef __ARM_FEATURE_UNALIGNED
|
||
|
|
# error data alignment is required
|
||
|
|
#endif
|
||
|
|
]], [[]])], [aligned_access_required=no], [])]
|
||
|
|
)
|
||
|
|
AS_IF([test "x$aligned_access_required" = "xyes"],
|
||
|
|
[AC_MSG_RESULT(yes)],
|
||
|
|
[AC_MSG_RESULT(no)
|
||
|
|
AC_DEFINE([CPU_UNALIGNED_ACCESS], [1], [unaligned memory access is supported])])
|
||
|
|
|
||
|
|
AC_MSG_CHECKING(if atomic operations are supported)
|
||
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[ ]], [[
|
||
|
|
static volatile int _sodium_lock;
|
||
|
|
__sync_lock_test_and_set(&_sodium_lock, 1);
|
||
|
|
__sync_lock_release(&_sodium_lock);
|
||
|
|
]]
|
||
|
|
)],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE([HAVE_ATOMIC_OPS], [1], [atomic operations are supported])],
|
||
|
|
[AC_MSG_RESULT(no)])
|
||
|
|
|
||
|
|
dnl Checks for functions and headers
|
||
|
|
|
||
|
|
AC_FUNC_ALLOCA
|
||
|
|
AS_IF([test "x$EMSCRIPTEN" = "x"],[
|
||
|
|
AC_CHECK_FUNCS([arc4random arc4random_buf])
|
||
|
|
AS_IF([test "x$WASI" = "x"],[
|
||
|
|
AC_CHECK_FUNCS([mmap mlock madvise mprotect])
|
||
|
|
AC_CHECK_FUNCS([raise])
|
||
|
|
AC_CHECK_FUNCS([sysconf])
|
||
|
|
])
|
||
|
|
AC_MSG_CHECKING(for getrandom with a standard API)
|
||
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#include <stdlib.h>
|
||
|
|
#ifdef HAVE_UNISTD_H
|
||
|
|
# include <unistd.h>
|
||
|
|
#endif
|
||
|
|
#ifdef HAVE_SYS_RANDOM_H
|
||
|
|
# include <sys/random.h>
|
||
|
|
#endif
|
||
|
|
#ifdef __SANITIZE_ADDRESS__
|
||
|
|
# error A recent libasan version on an old system may intercept nonexistent functions
|
||
|
|
#endif
|
||
|
|
]], [[
|
||
|
|
unsigned char buf;
|
||
|
|
(void) getrandom((void *) &buf, 1U, 0U);
|
||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_CHECK_FUNCS([getrandom])],
|
||
|
|
[AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_MSG_CHECKING(for getentropy with a standard API)
|
||
|
|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
|
||
|
|
#include <stdlib.h>
|
||
|
|
#ifdef HAVE_UNISTD_H
|
||
|
|
# include <unistd.h>
|
||
|
|
#endif
|
||
|
|
#ifdef HAVE_SYS_RANDOM_H
|
||
|
|
# include <sys/random.h>
|
||
|
|
#endif
|
||
|
|
#ifdef __SANITIZE_ADDRESS__
|
||
|
|
# error A recent libasan version on an old system may intercept nonexistent functions
|
||
|
|
#endif
|
||
|
|
]], [[
|
||
|
|
unsigned char buf;
|
||
|
|
|
||
|
|
if (&getentropy != NULL) {
|
||
|
|
(void) getentropy((void *) &buf, 1U);
|
||
|
|
}
|
||
|
|
]])],
|
||
|
|
[AC_MSG_RESULT(yes)
|
||
|
|
AC_CHECK_FUNCS([getentropy])],
|
||
|
|
[AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
])
|
||
|
|
|
||
|
|
AS_IF([test "x$WASI" = "x"],[
|
||
|
|
AC_CHECK_FUNCS([getpid])
|
||
|
|
AC_CHECK_FUNCS([getauxva elf_aux_info])
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_CHECK_FUNCS([posix_memalign nanosleep])
|
||
|
|
|
||
|
|
AS_IF([test "x$WASI" = "x"],[
|
||
|
|
AC_CHECK_FUNCS([memset_s explicit_bzero explicit_memset])
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_SUBST([LIBTOOL_EXTRA_FLAGS])
|
||
|
|
|
||
|
|
TEST_LDFLAGS=''
|
||
|
|
AS_IF([test "x$EMSCRIPTEN" != "x"],[
|
||
|
|
EXEEXT=.js
|
||
|
|
TEST_LDFLAGS='--memory-init-file 0 --pre-js pre.js.inc -s RESERVED_FUNCTION_POINTERS=8'
|
||
|
|
])
|
||
|
|
AC_SUBST(TEST_LDFLAGS)
|
||
|
|
AM_CONDITIONAL([EMSCRIPTEN], [test "x$EMSCRIPTEN" != "x"])
|
||
|
|
AM_CONDITIONAL([WASI], [test "x$WASI" != "x"])
|
||
|
|
|
||
|
|
AC_DEFINE([CONFIGURED], [1], [the build system was properly configured])
|
||
|
|
|
||
|
|
dnl Libtool.
|
||
|
|
|
||
|
|
LT_INIT([dlopen win32-dll])
|
||
|
|
gl_LD_OUTPUT_DEF
|
||
|
|
|
||
|
|
dnl Output.
|
||
|
|
|
||
|
|
AH_VERBATIM([NDEBUG], [/* Always evaluate assert() calls */
|
||
|
|
#ifdef NDEBUG
|
||
|
|
#/**/undef/**/ NDEBUG
|
||
|
|
#endif])
|
||
|
|
|
||
|
|
AS_IF([test "x$ENABLE_CWFLAGS" = "xyes"], [
|
||
|
|
CFLAGS="$CFLAGS $CWFLAGS"
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_CONFIG_FILES([Makefile
|
||
|
|
builds/Makefile
|
||
|
|
contrib/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
|