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440 lines
13 KiB
440 lines
13 KiB
AC_PREREQ([2.65])
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AC_INIT([libsodium],[1.0.1],
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[https://github.com/jedisct1/libsodium/issues],
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[libsodium],
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[https://github.com/jedisct1/libsodium])
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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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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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ISODATE=`date +%Y-%m-%d`
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AC_SUBST(ISODATE)
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SODIUM_LIBRARY_VERSION_MAJOR=7
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SODIUM_LIBRARY_VERSION_MINOR=3
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DLL_VERSION=6
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SODIUM_LIBRARY_VERSION=13:3:0
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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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LX_CFLAGS=${CFLAGS-NONE}
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dnl Switches
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AC_ARG_ENABLE(ssp,
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[AS_HELP_STRING(--disable-ssp,Do not compile with -fstack-protector)],
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[
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AS_IF([test "x$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,Disable assembly implementations)],
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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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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_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], [enable_pie="no"])
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AC_ARG_ENABLE(blocking-random,
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[AS_HELP_STRING(--enable-blocking-random,Use /dev/random instead of /dev/urandom)],
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[
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AS_IF([test "x$enableval" = "xyes"], [
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AC_DEFINE([USE_BLOCKING_RANDOM], [1], [Use blocking random])
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])
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])
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AC_ARG_ENABLE(minimal,
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[AS_HELP_STRING(--enable-minimal,
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[Only compile the minimum set of functions required for the high-level API])],
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[
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AS_IF([test "x$enableval" = "xyes"], [
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enable_minimal="yes"
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], [
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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="yes"
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])
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AM_CONDITIONAL([MINIMAL], [test x$enable_minimal = xyes])
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AC_ARG_WITH(safecode,
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[AS_HELP_STRING(--with-safecode,For maintainers only - please do not use)],
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[AS_IF([test "x$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="$CFLAGS -fmemsafety"
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])
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])
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AC_ARG_ENABLE(debug,
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[AS_HELP_STRING(--enable-debug,For maintainers only - please do not use)],
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[
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AS_IF([test "x$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 -O0 -g3"
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])
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CPPFLAGS="$CPPFLAGS -DDEBUG=1"
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])
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])
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AC_SUBST([MAINT])
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dnl Checks
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AC_PROG_CC_C99
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AM_PROG_AS
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AC_USE_SYSTEM_EXTENSIONS
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AX_CHECK_COMPILE_FLAG([-D_FORTIFY_SOURCE=2],
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[CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"])
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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*], [ ], [
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AX_CHECK_COMPILE_FLAG([-fPIC], [
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AX_CHECK_LINK_FLAG([-fPIC],
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[CFLAGS="$CFLAGS -fPIC"]
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)
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])
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])
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AS_IF([test "$enable_pie" != "no"],[
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AX_CHECK_COMPILE_FLAG([-fPIE], [
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AX_CHECK_LINK_FLAG([-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="$CFLAGS -fwrapv"])
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])
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LIBTOOL_OLD_FLAGS="$LIBTOOL_EXTRA_FLAGS"
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LIBTOOL_EXTRA_FLAGS="$LIBTOOL_EXTRA_FLAGS -version-info $SODIUM_LIBRARY_VERSION"
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AC_ARG_ENABLE(soname-versions,
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[AC_HELP_STRING([--enable-soname-versions], [enable soname versions (must be disabled for Android) (default: enabled)])],
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[
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AS_IF([test "x$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="$LDFLAGS -Wl,--dynamicbase"])
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AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
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])
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AS_IF([test "x$enable_ssp" != "xno"],[
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AS_CASE([$host_os],
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[cygwin*|mingw*|msys|pw32*|cegcc*], [ ],
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[*], [
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AX_CHECK_COMPILE_FLAG([-fstack-protector], [
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AX_CHECK_LINK_FLAG([-fstack-protector],
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[CFLAGS="$CFLAGS -fstack-protector"]
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)
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])
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])
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])
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AX_CHECK_COMPILE_FLAG([-Winit-self], [CFLAGS="$CFLAGS -Winit-self"])
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AX_CHECK_COMPILE_FLAG([-Wwrite-strings], [CFLAGS="$CFLAGS -Wwrite-strings"])
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AX_CHECK_COMPILE_FLAG([-Wdiv-by-zero], [CFLAGS="$CFLAGS -Wdiv-by-zero"])
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AX_CHECK_COMPILE_FLAG([-Wsometimes-uninitialized], [CFLAGS="$CFLAGS -Wsometimes-uninitialized"])
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AC_ARG_VAR([CWFLAGS], [define to compilation flags for generating extra warnings])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wall], [CWFLAGS="$CWFLAGS -Wall"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wextra], [CWFLAGS="$CWFLAGS -Wextra"])
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AC_MSG_CHECKING(for clang)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
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#ifndef __clang__
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be sad
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#endif
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]])],
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[AC_MSG_RESULT(yes)
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wno-unknown-warning-option],
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[CWFLAGS="$CWFLAGS -Wno-unknown-warning-option"])
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],
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[AC_MSG_RESULT(no)
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])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wbad-function-cast], [CWFLAGS="$CWFLAGS -Wbad-function-cast"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcast-align], [CWFLAGS="$CWFLAGS -Wcast-align"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcast-qual], [CWFLAGS="$CWFLAGS -Wcast-qual"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wchar-subscripts], [CWFLAGS="$CWFLAGS -Wchar-subscripts"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcomment], [CWFLAGS="$CWFLAGS -Wcomment"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wfloat-equal], [CWFLAGS="$CWFLAGS -Wfloat-equal"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wformat=2], [CWFLAGS="$CWFLAGS -Wformat=2"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wimplicit], [CWFLAGS="$CWFLAGS -Wimplicit"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmissing-declarations], [CWFLAGS="$CWFLAGS -Wmissing-declarations"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wmissing-prototypes], [CWFLAGS="$CWFLAGS -Wmissing-prototypes"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wnormalized=id], [CWFLAGS="$CWFLAGS -Wnormalized=id"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Woverride-init], [CWFLAGS="$CWFLAGS -Woverride-init"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wparentheses], [CWFLAGS="$CWFLAGS -Wparentheses"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wpointer-arith], [CWFLAGS="$CWFLAGS -Wpointer-arith"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wredundant-decls], [CWFLAGS="$CWFLAGS -Wredundant-decls"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wstrict-prototypes], [CWFLAGS="$CWFLAGS -Wstrict-prototypes"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wswitch-enum], [CWFLAGS="$CWFLAGS -Wswitch-enum"])
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AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wvariable-decl], [CWFLAGS="$CWFLAGS -Wvariable-decl"])
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AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
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AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
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AX_CHECK_LINK_FLAG([-Wl,-z,noexecstack], [LDFLAGS="$LDFLAGS -Wl,-z,noexecstack"])
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LT_INIT
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AC_SUBST(LIBTOOL_DEPS)
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AC_ARG_VAR([AR], [path to the ar utility])
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AC_CHECK_TOOL([AR], [ar], [ar])
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dnl Checks for headers
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AS_IF([test "x$EMSCRIPTEN" = "x"],[
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AC_MSG_CHECKING(for MMX instructions set)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#pragma GCC target("mmx")
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#include <mmintrin.h>
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]], [[ __m64 x = _mm_setzero_si64(); ]])],
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[AC_MSG_RESULT(yes)
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AC_DEFINE([HAVE_MMINTRIN_H], [1], [mmx is available])],
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[AC_MSG_RESULT(no)])
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AC_MSG_CHECKING(for SSE2 instructions set)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#pragma GCC target("sse2")
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#include <emmintrin.h>
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]], [[ __m128d x = _mm_setzero_pd(); ]])],
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[AC_MSG_RESULT(yes)
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AC_DEFINE([HAVE_EMMINTRIN_H], [1], [sse2 is available])],
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[AC_MSG_RESULT(no)])
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AC_MSG_CHECKING(for SSE3 instructions set)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#pragma GCC target("sse3")
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#include <pmmintrin.h>
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]], [[ __m128 x = _mm_addsub_ps(_mm_cvtpd_ps(_mm_setzero_pd()),
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_mm_cvtpd_ps(_mm_setzero_pd())); ]])],
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[AC_MSG_RESULT(yes)
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AC_DEFINE([HAVE_PMMINTRIN_H], [1], [sse3 is available])],
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[AC_MSG_RESULT(no)])
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AC_MSG_CHECKING(for SSSE3 instructions set)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#pragma GCC target("ssse3")
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#include <tmmintrin.h>
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]], [[ __m64 x = _mm_abs_pi32(_m_from_int(0)); ]])],
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[AC_MSG_RESULT(yes)
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AC_DEFINE([HAVE_TMMINTRIN_H], [1], [ssse3 is available])],
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[AC_MSG_RESULT(no)])
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])
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AC_CHECK_HEADERS([sys/mman.h])
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_INLINE
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AC_C_BIGENDIAN(
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AC_DEFINE(NATIVE_BIG_ENDIAN, 1, [machine is bigendian]),
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AC_DEFINE(NATIVE_LITTLE_ENDIAN, 1, [machine is littleendian]),
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AC_MSG_ERROR([unknown endianess]),
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AC_MSG_ERROR([universal endianess is not supported - compile separately and use lipo(1)])
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)
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AC_MSG_CHECKING(whether __STDC_LIMIT_MACROS is required)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include <limits.h>
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#include <stdint.h>
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]], [[
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(void) SIZE_MAX;
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(void) UINT64_MAX;
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]])],
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[AC_MSG_RESULT(no)],
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[AC_MSG_RESULT(yes)
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CPPFLAGS="$CPPFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS"
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])
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HAVE_AMD64_ASM_V=0
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AS_IF([test "$enable_asm" != "no"],[
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AC_MSG_CHECKING(whether we should use x86_64 asm code)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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]], [[
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#if defined(__amd64) || defined(__amd64__) || defined(__x86_64__)
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# if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MINGW64__) || defined(_WIN32) || defined(_WIN64)
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# error Windows x86_64 calling conventions are not supported yet
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# endif
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/* neat */
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#else
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# error !x86_64
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#endif
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__asm__("pxor %xmm12,%xmm6");
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]])],
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[AC_MSG_RESULT(yes)
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AC_DEFINE([HAVE_AMD64_ASM], [1], [x86_64 asm code should be used])
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HAVE_AMD64_ASM_V=1],
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[AC_MSG_RESULT(no)])
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])
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AM_CONDITIONAL([HAVE_AMD64_ASM], [test $HAVE_AMD64_ASM_V = 1])
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AC_SUBST(HAVE_AMD64_ASM_V)
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AC_MSG_CHECKING(for 128-bit arithmetic)
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HAVE_TI_MODE_V=0
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#ifndef __GNUC__
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# error mode(TI) is a gcc extension
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#endif
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#if defined(__clang__) && !defined(__x86_64__)
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# error clang doesn't properly compile smult_curve25519_donna_c64.c
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#endif
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#ifndef NATIVE_LITTLE_ENDIAN
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# error donna_c64 currently requires a little endian CPU
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#endif
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#ifdef EMSCRIPTEN
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# error emscripten currently supports only shift operations on integers \
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# larger than 64 bits
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#endif
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#include <stdint.h>
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typedef unsigned uint128_t __attribute__((mode(TI)));
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void fcontract(uint128_t *t) {
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*t += 0x8000000000000 - 1;
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}
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]], [[
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(void) fcontract;
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]])],
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[AC_MSG_RESULT(yes)
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AC_DEFINE([HAVE_TI_MODE], [1], [gcc TI mode is available])
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HAVE_TI_MODE_V=1],
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|
[AC_MSG_RESULT(no)])
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AM_CONDITIONAL([HAVE_TI_MODE], [test $HAVE_TI_MODE_V = 1])
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AC_SUBST(HAVE_TI_MODE_V)
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HAVE_CPUID_V=0
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|
AS_IF([test "$enable_asm" != "no"],[
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AC_MSG_CHECKING(for cpuid instruction)
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|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[
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unsigned int cpu_info[4];
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|
__asm__ __volatile__ ("xchgl %%ebx, %k1; cpuid; xchgl %%ebx, %k1" :
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"=a" (cpu_info[0]), "=&r" (cpu_info[1]),
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|
"=c" (cpu_info[2]), "=d" (cpu_info[3]) :
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"0" (0U), "2" (0U));
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|
]])],
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|
[AC_MSG_RESULT(yes)
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|
AC_DEFINE([HAVE_CPUID], [1], [cpuid instruction is available])
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|
HAVE_CPUID_V=1],
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|
[AC_MSG_RESULT(no)])
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])
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|
AC_SUBST(HAVE_CPUID_V)
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|
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AC_MSG_CHECKING(if weak symbols are supported)
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|
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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|
__attribute__((weak)) void __dummy(void *x) { }
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|
void f(void *x) { __dummy(x); }
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|
]], [[ ]]
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|
)],
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|
[AC_MSG_RESULT(yes)
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|
AC_DEFINE([HAVE_WEAK_SYMBOLS], [1], [weak symbols are supported])],
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|
[AC_MSG_RESULT(no)])
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|
AS_CASE([$host_cpu],
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|
[i*86 | x86_64 | powerpc* | s390*],
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|
[AC_MSG_NOTICE([data alignment is not required on this target])],
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|
[*],
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|
[AC_MSG_NOTICE([data alignment is required on this target])
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|
AC_DEFINE([CPU_ALIGNED_ACCESS_REQUIRED], [1], [data alignment is required])]
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|
)
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|
|
dnl Checks for functions and headers
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|
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|
AS_IF([test "x$EMSCRIPTEN" = "x"],[
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AC_CHECK_FUNCS([arc4random arc4random_buf])
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|
])
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|
AC_CHECK_FUNCS([mlock mprotect explicit_bzero posix_memalign])
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|
AC_SUBST([LIBTOOL_EXTRA_FLAGS])
|
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|
|
dnl Libtool.
|
|
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|
LT_INIT([dlopen])
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|
AC_LIBTOOL_WIN32_DLL
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|
gl_LD_OUTPUT_DEF
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|
dnl Output.
|
|
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|
AH_VERBATIM([NDEBUG], [/* Always evaluate assert() calls */
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|
#ifdef NDEBUG
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|
#/**/undef/**/ NDEBUG
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|
#endif])
|
|
|
|
AS_IF([test "x$PKG_CONFIG" != "x"], [
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|
AC_CONFIG_FILES([libsodium.pc])
|
|
])
|
|
AC_CONFIG_FILES([Makefile
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|
dist-build/Makefile
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|
msvc-scripts/Makefile
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|
src/Makefile
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|
src/libsodium/Makefile
|
|
src/libsodium/include/Makefile
|
|
src/libsodium/include/sodium/version.h
|
|
])
|
|
AC_OUTPUT
|