diff options
Diffstat (limited to 'libatomic/configure.ac')
| -rw-r--r-- | libatomic/configure.ac | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/libatomic/configure.ac b/libatomic/configure.ac deleted file mode 100644 index 023f1727b1..0000000000 --- a/libatomic/configure.ac +++ /dev/null @@ -1,267 +0,0 @@ -# Process this file with autoreconf to produce a configure script. -# Copyright (C) 2012-2017 Free Software Foundation, Inc. -# -# This file is part of the GNU Atomic Library (libatomic). -# -# Libatomic is free software; you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3 of the License, or -# (at your option) any later version. -# -# Libatomic is distributed in the hope that it will be useful, but WITHOUT ANY -# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -# FOR A PARTICULAR PURPOSE. See the GNU General Public License for -# more details. -# -# Under Section 7 of GPL version 3, you are granted additional -# permissions described in the GCC Runtime Library Exception, version -# 3.1, as published by the Free Software Foundation. -# -# You should have received a copy of the GNU General Public License and -# a copy of the GCC Runtime Library Exception along with this program; -# see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -# <http://www.gnu.org/licenses/>. - -AC_PREREQ(2.59) -AC_INIT([GNU Atomic Library], 1.0,,[libatomic]) -AC_CONFIG_HEADER(auto-config.h) - -# ------- -# Options -# ------- - -AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) -LIBAT_ENABLE(version-specific-runtime-libs, no, , - [Specify that runtime libraries should be installed in a compiler-specific directory], - permit yes|no) -AC_MSG_RESULT($enable_version_specific_runtime_libs) - -# We would like our source tree to be readonly. However when releases or -# pre-releases are generated, the flex/bison generated files as well as the -# various formats of manuals need to be included along with the rest of the -# sources. Therefore we have --enable-generated-files-in-srcdir to do -# just that. -AC_MSG_CHECKING([for --enable-generated-files-in-srcdir]) -LIBAT_ENABLE(generated-files-in-srcdir, no, , - [put copies of generated files in source dir intended for creating source - tarballs for users without texinfo bison or flex.], - permit yes|no) -AC_MSG_RESULT($enable_generated_files_in_srcdir) -AM_CONDITIONAL(GENINSRC, test "$enable_generated_files_in_srcdir" = yes) - - -# ------- - -# Gets build, host, target, *_vendor, *_cpu, *_os, etc. -# -# You will slowly go insane if you do not grok the following fact: when -# building this library, the top-level /target/ becomes the library's /host/. -# -# configure then causes --target to default to --host, exactly like any -# other package using autoconf. Therefore, 'target' and 'host' will -# always be the same. This makes sense both for native and cross compilers -# just think about it for a little while. :-) -# -# Also, if this library is being configured as part of a cross compiler, the -# top-level configure script will pass the "real" host as $with_cross_host. -# -# Do not delete or change the following two lines. For why, see -# http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html -AC_CANONICAL_SYSTEM -target_alias=${target_alias-$host_alias} - -# Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the -# following is magically included in AUTOMAKE_OPTIONS in each Makefile.am. -# 1.9.0: minimum required version -# no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch -# of other PACKAGE_* variables will, however, and there's nothing -# we can do about that; they come from AC_INIT). -# no-dist: we don't want 'dist' and related rules. -# foreign: we don't follow the normal rules for GNU packages (no COPYING -# file in the top srcdir, etc, etc), so stop complaining. -# -Wall: turns on all automake warnings... -# -Wno-portability: ...except this one, since GNU make is required. -# -Wno-override: ... and this one, since we do want this in testsuite. -AM_INIT_AUTOMAKE([1.9.0 foreign no-dist -Wall -Wno-portability -Wno-override]) -AM_ENABLE_MULTILIB(, ..) - -# Calculate toolexeclibdir -# Also toolexecdir, though it's only used in toolexeclibdir -case ${enable_version_specific_runtime_libs} in - yes) - # Need the gcc compiler version to know where to install libraries - # and header files if --enable-version-specific-runtime-libs option - # is selected. - toolexecdir='$(libdir)/gcc/$(target_alias)' - toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)' - ;; - no) - if test -n "$with_cross_host" && - test x"$with_cross_host" != x"no"; then - # Install a library built with a cross compiler in tooldir, not libdir. - toolexecdir='$(exec_prefix)/$(target_alias)' - toolexeclibdir='$(toolexecdir)/lib' - else - toolexecdir='$(libdir)/gcc-lib/$(target_alias)' - toolexeclibdir='$(libdir)' - fi - multi_os_directory=`$CC -print-multi-os-directory` - case $multi_os_directory in - .) ;; # Avoid trailing /. - *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; - esac - ;; -esac -AC_SUBST(toolexecdir) -AC_SUBST(toolexeclibdir) - -# Check the compiler. -# The same as in boehm-gc and libstdc++. Have to borrow it from there. -# We must force CC to /not/ be precious variables; otherwise -# the wrong, non-multilib-adjusted value will be used in multilibs. -# As a side effect, we have to subst CFLAGS ourselves. - -m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) -m4_define([_AC_ARG_VAR_PRECIOUS],[]) -AC_PROG_CC -AM_PROG_AS -m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) - -AC_SUBST(CFLAGS) - -# In order to override CFLAGS_FOR_TARGET, all of our special flags go -# in XCFLAGS. But we need them in CFLAGS during configury. So put them -# in both places for now and restore CFLAGS at the end of config. -save_CFLAGS="$CFLAGS" - -# Find other programs we need. -AC_CHECK_TOOL(AR, ar) -AC_CHECK_TOOL(NM, nm) -AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error) -AC_PATH_PROG(PERL, perl, perl-not-found-in-path-error) -AC_PROG_INSTALL - -# Configure libtool -AM_PROG_LIBTOOL -ACX_LT_HOST_FLAGS -AC_SUBST(enable_shared) -AC_SUBST(enable_static) -AM_MAINTAINER_MODE - -# For libtool versioning info, format is CURRENT:REVISION:AGE -libtool_VERSION=3:0:2 -AC_SUBST(libtool_VERSION) - -# Check for used threading-model -AC_MSG_CHECKING([for thread model used by GCC]) -target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'` -AC_MSG_RESULT([$target_thread_file]) - -# Get target configury. -. ${srcdir}/configure.tgt -if test -n "$UNSUPPORTED"; then - AC_MSG_ERROR([Configuration ${target} is unsupported.]) -fi - -# Disable fallbacks to __sync routines from libgcc. Otherwise we'll -# make silly decisions about what the cpu can do. -CFLAGS="$save_CFLAGS -fno-sync-libcalls $XCFLAGS" - -# Check header files. -AC_STDC_HEADERS -ACX_HEADER_STRING -GCC_HEADER_STDINT(gstdint.h) -AC_CHECK_HEADERS([fenv.h]) - -# Check for common type sizes -LIBAT_FORALL_MODES([LIBAT_HAVE_INT_MODE]) - -# Check for compiler builtins of atomic operations. -LIBAT_TEST_ATOMIC_INIT -LIBAT_FORALL_MODES([LIBAT_HAVE_ATOMIC_LOADSTORE]) -LIBAT_FORALL_MODES([LIBAT_HAVE_ATOMIC_TAS]) -LIBAT_FORALL_MODES([LIBAT_HAVE_ATOMIC_EXCHANGE]) -LIBAT_FORALL_MODES([LIBAT_HAVE_ATOMIC_CAS]) -LIBAT_FORALL_MODES([LIBAT_HAVE_ATOMIC_FETCH_ADD]) -LIBAT_FORALL_MODES([LIBAT_HAVE_ATOMIC_FETCH_OP]) - -AC_C_BIGENDIAN -# I don't like the default behaviour of WORDS_BIGENDIAN undefined for LE. -AH_BOTTOM( -[#ifndef WORDS_BIGENDIAN -#define WORDS_BIGENDIAN 0 -#endif]) - -LIBAT_WORDSIZE - -# Check to see if -pthread or -lpthread is needed. Prefer the former. -# In case the pthread.h system header is not found, this test will fail. -case " $config_path " in - *" posix "*) - XPCFLAGS="" - CFLAGS="$CFLAGS -pthread" - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [#include <pthread.h> - void *g(void *d) { return NULL; }], - [pthread_t t; pthread_create(&t,NULL,g,NULL);])], - [XPCFLAGS=" -pthread"], - [CFLAGS="$save_CFLAGS $XCFLAGS" LIBS="-lpthread $LIBS" - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [#include <pthread.h> - void *g(void *d) { return NULL; }], - [pthread_t t; pthread_create(&t,NULL,g,NULL);])], - [], - [AC_MSG_ERROR([Pthreads are required to build libatomic])])]) - CFLAGS="$save_CFLAGS $XPCFLAGS" - ;; -esac - -# See what sort of export controls are available. -LIBAT_CHECK_ATTRIBUTE_VISIBILITY -LIBAT_CHECK_ATTRIBUTE_DLLEXPORT -LIBAT_CHECK_ATTRIBUTE_ALIAS -if test x$try_ifunc = xyes; then - LIBAT_CHECK_IFUNC -fi - -# Check linker support. -LIBAT_ENABLE_SYMVERS - -# Cleanup and exit. -CFLAGS="$save_CFLAGS" -AC_CACHE_SAVE - -# Add -Wall -Werror if we are using GCC. -if test "x$GCC" = "xyes"; then - XCFLAGS="$XCFLAGS -Wall -Werror" -fi - -XCFLAGS="$XCFLAGS $XPCFLAGS" - -AC_SUBST(config_path) -AC_SUBST(XCFLAGS) -AC_SUBST(XLDFLAGS) -AC_SUBST(LIBS) -AC_SUBST(SIZES) - -AM_CONDITIONAL(HAVE_IFUNC, test x$libat_cv_have_ifunc = xyes) -AM_CONDITIONAL(ARCH_ARM_LINUX, - [expr "$config_path" : ".* linux/arm .*" > /dev/null]) -AM_CONDITIONAL(ARCH_I386, - [test "$ARCH" = x86 && test x$libat_cv_wordsize = x4]) -AM_CONDITIONAL(ARCH_X86_64, - [test "$ARCH" = x86 && test x$libat_cv_wordsize = x8]) - -# Determine what GCC version number to use in filesystem paths. -GCC_BASE_VER - -if test ${multilib} = yes; then - multilib_arg="--enable-multilib" -else - multilib_arg= -fi - -AC_CONFIG_FILES(Makefile testsuite/Makefile) -AC_OUTPUT |