| # configure.in for GCC |
| # Process this file with autoconf to generate a configuration script. |
| |
| # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
| # Free Software Foundation, Inc. |
| |
| #This file is part of GCC. |
| |
| #GCC 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 2, or (at your option) any later |
| #version. |
| |
| #GCC 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. |
| |
| #You should have received a copy of the GNU General Public License |
| #along with GCC; see the file COPYING. If not, write to the Free |
| #Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
| #02111-1307, USA. |
| |
| # Initialization and defaults |
| AC_PREREQ(2.13) |
| AC_INIT(tree.c) |
| AC_CONFIG_HEADER(auto-host.h:config.in) |
| |
| remove=rm |
| hard_link=ln |
| symbolic_link='ln -s' |
| copy=cp |
| |
| # Check for bogus environment variables. |
| # Test if LIBRARY_PATH contains the notation for the current directory |
| # since this would lead to problems installing/building glibc. |
| # LIBRARY_PATH contains the current directory if one of the following |
| # is true: |
| # - one of the terminals (":" and ";") is the first or last sign |
| # - two terminals occur directly after each other |
| # - the path contains an element with a dot in it |
| AC_MSG_CHECKING(LIBRARY_PATH variable) |
| changequote(,)dnl |
| case ${LIBRARY_PATH} in |
| [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) |
| library_path_setting="contains current directory" |
| ;; |
| *) |
| library_path_setting="ok" |
| ;; |
| esac |
| changequote([,])dnl |
| AC_MSG_RESULT($library_path_setting) |
| if test "$library_path_setting" != "ok"; then |
| AC_MSG_ERROR([ |
| *** LIBRARY_PATH shouldn't contain the current directory when |
| *** building gcc. Please change the environment variable |
| *** and run configure again.]) |
| fi |
| |
| # Test if GCC_EXEC_PREFIX contains the notation for the current directory |
| # since this would lead to problems installing/building glibc. |
| # GCC_EXEC_PREFIX contains the current directory if one of the following |
| # is true: |
| # - one of the terminals (":" and ";") is the first or last sign |
| # - two terminals occur directly after each other |
| # - the path contains an element with a dot in it |
| AC_MSG_CHECKING(GCC_EXEC_PREFIX variable) |
| changequote(,)dnl |
| case ${GCC_EXEC_PREFIX} in |
| [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) |
| gcc_exec_prefix_setting="contains current directory" |
| ;; |
| *) |
| gcc_exec_prefix_setting="ok" |
| ;; |
| esac |
| changequote([,])dnl |
| AC_MSG_RESULT($gcc_exec_prefix_setting) |
| if test "$gcc_exec_prefix_setting" != "ok"; then |
| AC_MSG_ERROR([ |
| *** GCC_EXEC_PREFIX shouldn't contain the current directory when |
| *** building gcc. Please change the environment variable |
| *** and run configure again.]) |
| fi |
| |
| # Check for additional parameters |
| |
| # With GNU ld |
| AC_ARG_WITH(gnu-ld, |
| [ --with-gnu-ld arrange to work with GNU ld.], |
| gnu_ld_flag="$with_gnu_ld", |
| gnu_ld_flag=no) |
| |
| # With pre-defined ld |
| AC_ARG_WITH(ld, |
| [ --with-ld arrange to use the specified ld (full pathname)], |
| DEFAULT_LINKER="$with_ld") |
| if test x"${DEFAULT_LINKER+set}" = x"set"; then |
| if test ! -x "$DEFAULT_LINKER"; then |
| AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER]) |
| elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
| gnu_ld_flag=yes |
| fi |
| AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", |
| [Define to enable the use of a default linker.]) |
| fi |
| |
| # With GNU as |
| AC_ARG_WITH(gnu-as, |
| [ --with-gnu-as arrange to work with GNU as], |
| gas_flag="$with_gnu_as", |
| gas_flag=no) |
| |
| AC_ARG_WITH(as, |
| [ --with-as arrange to use the specified as (full pathname)], |
| DEFAULT_ASSEMBLER="$with_as") |
| if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then |
| if test ! -x "$DEFAULT_ASSEMBLER"; then |
| AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER]) |
| elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
| gas_flag=yes |
| fi |
| AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER", |
| [Define to enable the use of a default assembler.]) |
| fi |
| |
| # With stabs |
| AC_ARG_WITH(stabs, |
| [ --with-stabs arrange to use stabs instead of host debug format], |
| stabs="$with_stabs", |
| stabs=no) |
| |
| # With ELF |
| AC_ARG_WITH(elf, |
| [ --with-elf arrange to use ELF instead of host debug format], |
| elf="$with_elf", |
| elf=no) |
| |
| # Specify the local prefix |
| local_prefix= |
| AC_ARG_WITH(local-prefix, |
| [ --with-local-prefix=DIR specifies directory to put local include], |
| [case "${withval}" in |
| yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;; |
| no) ;; |
| *) local_prefix=$with_local_prefix ;; |
| esac]) |
| |
| # Default local prefix if it is empty |
| if test x$local_prefix = x; then |
| local_prefix=/usr/local |
| fi |
| |
| # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only |
| # passed in by the toplevel make and thus we'd get different behavior |
| # depending on where we built the sources. |
| gcc_gxx_include_dir= |
| # Specify the g++ header file directory |
| AC_ARG_WITH(gxx-include-dir, |
| [ --with-gxx-include-dir=DIR |
| specifies directory to put g++ header files], |
| [case "${withval}" in |
| yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;; |
| no) ;; |
| *) gcc_gxx_include_dir=$with_gxx_include_dir ;; |
| esac]) |
| |
| if test x${gcc_gxx_include_dir} = x; then |
| if test x${enable_version_specific_runtime_libs} = xyes; then |
| gcc_gxx_include_dir='${libsubdir}/include/c++' |
| else |
| topsrcdir=${srcdir}/.. . ${srcdir}/../config.if |
| changequote(<<, >>)dnl |
| gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir} |
| changequote([, ])dnl |
| fi |
| fi |
| |
| AC_ARG_WITH(sysroot, |
| [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.], |
| [ |
| case ${with_sysroot} in |
| yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;; |
| *) TARGET_SYSTEM_ROOT=$with_sysroot ;; |
| esac |
| |
| TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' |
| CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)' |
| |
| if test "x$exec_prefix" = xNONE; then |
| if test "x$prefix" = xNONE; then |
| test_prefix=/usr/local |
| else |
| test_prefix=$prefix |
| fi |
| else |
| test_prefix=$exec_prefix |
| fi |
| case ${TARGET_SYSTEM_ROOT} in |
| "${test_prefix}"|"${test_prefix}/"*|\ |
| '${exec_prefix}'|'${exec_prefix}/'*) |
| t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" |
| TARGET_SYSTEM_ROOT_DEFINE="$t" |
| ;; |
| esac |
| ], [ |
| TARGET_SYSTEM_ROOT= |
| TARGET_SYSTEM_ROOT_DEFINE= |
| CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include' |
| ]) |
| AC_SUBST(TARGET_SYSTEM_ROOT) |
| AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) |
| AC_SUBST(CROSS_SYSTEM_HEADER_DIR) |
| |
| # Determine the host, build, and target systems |
| AC_CANONICAL_SYSTEM |
| |
| # Set program_transform_name |
| AC_ARG_PROGRAM |
| |
| # Find the native compiler |
| AC_PROG_CC |
| AC_PROG_CC_C_O |
| # autoconf is lame and doesn't give us any substitution variable for this. |
| if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then |
| NO_MINUS_C_MINUS_O=yes |
| else |
| OUTPUT_OPTION='-o $@' |
| fi |
| AC_SUBST(NO_MINUS_C_MINUS_O) |
| AC_SUBST(OUTPUT_OPTION) |
| |
| # See if GNAT has been installed |
| gcc_AC_PROG_GNAT |
| |
| AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, |
| ac_cv_prog_cc_no_long_long, |
| [save_CFLAGS="$CFLAGS" |
| CFLAGS="-Wno-long-long" |
| AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, |
| ac_cv_prog_cc_no_long_long=no) |
| CFLAGS="$save_CFLAGS"]) |
| |
| if test x$have_gnat != xno ; then |
| AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long, |
| ac_cv_prog_adac_no_long_long, |
| [cat >conftest.adb <<EOF |
| procedure conftest is begin null; end conftest; |
| EOF |
| if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then |
| ac_cv_prog_adac_no_long_long=yes |
| else |
| ac_cv_prog_adac_no_long_long=no |
| fi |
| rm -f conftest*]) |
| else |
| ac_cv_prog_adac_no_long_long=yes |
| fi |
| |
| strict1_warn= |
| if test $ac_cv_prog_cc_no_long_long = yes && \ |
| test $ac_cv_prog_adac_no_long_long = yes ; then |
| strict1_warn="-pedantic -Wno-long-long" |
| fi |
| AC_SUBST(strict1_warn) |
| |
| AC_PROG_CPP |
| AC_C_INLINE |
| gcc_AC_C_VOLATILE |
| |
| gcc_AC_C_LONG_DOUBLE |
| gcc_AC_C_LONG_LONG |
| gcc_AC_C__BOOL |
| |
| # sizeof(char) is 1 by definition. |
| gcc_AC_COMPILE_CHECK_SIZEOF(short) |
| gcc_AC_COMPILE_CHECK_SIZEOF(int) |
| gcc_AC_COMPILE_CHECK_SIZEOF(long) |
| if test $ac_cv_c_long_long = yes; then |
| gcc_AC_COMPILE_CHECK_SIZEOF(long long) |
| fi |
| if test $ac_cv_c___int64 = yes; then |
| gcc_AC_COMPILE_CHECK_SIZEOF(__int64) |
| fi |
| |
| gcc_AC_C_CHARSET |
| |
| # If the native compiler is GCC, we can enable warnings even in stage1. |
| # That's useful for people building cross-compilers, or just running a |
| # quick `make'. |
| warn_cflags= |
| if test "x$GCC" = "xyes"; then |
| warn_cflags='$(GCC_WARN_CFLAGS)' |
| fi |
| AC_SUBST(warn_cflags) |
| |
| # Determine whether or not multilibs are enabled. |
| AC_ARG_ENABLE(multilib, |
| [ --enable-multilib enable library support for multiple ABIs], |
| [], [enable_multilib=yes]) |
| AC_SUBST(enable_multilib) |
| |
| # Enable expensive internal checks |
| AC_ARG_ENABLE(checking, |
| [ --enable-checking[=LIST] |
| enable expensive run-time checks. With LIST, |
| enable only specific categories of checks. |
| Categories are: misc,tree,rtl,rtlflag,gc,gcac; |
| default is misc,tree,gc,rtlflag], |
| [ac_checking= |
| ac_tree_checking= |
| ac_rtl_checking= |
| ac_rtlflag_checking= |
| ac_gc_checking= |
| ac_gc_always_collect= |
| case "${enableval}" in |
| yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ; |
| ac_rtlflag_checking=1 ;; |
| no) ;; |
| *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
| set fnord $enableval; shift |
| IFS="$ac_save_IFS" |
| for check |
| do |
| case $check in |
| misc) ac_checking=1 ;; |
| tree) ac_tree_checking=1 ;; |
| rtlflag) ac_rtlflag_checking=1 ;; |
| rtl) ac_rtl_checking=1 ;; |
| gc) ac_gc_checking=1 ;; |
| gcac) ac_gc_always_collect=1 ;; |
| valgrind) ac_checking_valgrind=1 ;; |
| *) AC_MSG_ERROR(unknown check category $check) ;; |
| esac |
| done |
| ;; |
| esac |
| ], |
| []) |
| nocommon_flag="" |
| if test x$ac_checking != x ; then |
| AC_DEFINE(ENABLE_CHECKING, 1, |
| [Define if you want more run-time sanity checks. This one gets a grab |
| bag of miscellaneous but relatively cheap checks.]) |
| nocommon_flag=-fno-common |
| fi |
| AC_SUBST(nocommon_flag) |
| if test x$ac_tree_checking != x ; then |
| AC_DEFINE(ENABLE_TREE_CHECKING, 1, |
| [Define if you want all operations on trees (the basic data |
| structure of the front ends) to be checked for dynamic type safety |
| at runtime. This is moderately expensive.]) |
| fi |
| if test x$ac_rtl_checking != x ; then |
| AC_DEFINE(ENABLE_RTL_CHECKING, 1, |
| [Define if you want all operations on RTL (the basic data structure |
| of the optimizer and back end) to be checked for dynamic type safety |
| at runtime. This is quite expensive.]) |
| fi |
| if test x$ac_rtlflag_checking != x ; then |
| AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1, |
| [Define if you want RTL flag accesses to be checked against the RTL |
| codes that are supported for each access macro. This is relatively |
| cheap.]) |
| fi |
| if test x$ac_gc_checking != x ; then |
| AC_DEFINE(ENABLE_GC_CHECKING, 1, |
| [Define if you want the garbage collector to do object poisoning and |
| other memory allocation checks. This is quite expensive.]) |
| fi |
| if test x$ac_gc_always_collect != x ; then |
| AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1, |
| [Define if you want the garbage collector to operate in maximally |
| paranoid mode, validating the entire heap and collecting garbage at |
| every opportunity. This is extremely expensive.]) |
| fi |
| valgrind_path_defines= |
| valgrind_command= |
| if test x$ac_checking_valgrind != x ; then |
| # It is certainly possible that there's valgrind but no valgrind.h. |
| # GCC relies on making annotations so we must have both. |
| AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no) |
| AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind, |
| [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1]) |
| if test "x$valgrind_path" = "x" || test $have_valgrind_h = no; then |
| AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h]) |
| fi |
| valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"' |
| valgrind_command="$valgrind_path -q" |
| AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1, |
| [Define if you want to run subprograms and generated programs |
| through valgrind (a memory checker). This is extremely expensive.]) |
| fi |
| AC_SUBST(valgrind_path_defines) |
| AC_SUBST(valgrind_command) |
| |
| # Enable code coverage collection |
| AC_ARG_ENABLE(coverage, |
| [ --enable-coverage[=LEVEL] |
| enable compiler\'s code coverage collection. |
| Use to measure compiler performance and locate |
| unused parts of the compiler. With LEVEL, specificy |
| optimization. Values are opt, noopt, |
| default is noopt], |
| [case "${enableval}" in |
| yes|noopt) |
| coverage_flags="-fprofile-arcs -ftest-coverage -O0" |
| ;; |
| opt) |
| coverage_flags="-fprofile-arcs -ftest-coverage -O2" |
| ;; |
| *) |
| AC_MSG_ERROR(unknown coverage setting $enableval) |
| ;; |
| esac], |
| [coverage_flags=""]) |
| AC_SUBST(coverage_flags) |
| |
| AC_ARG_WITH(cpp_install_dir, |
| [ --with-cpp-install-dir=DIR |
| install the user visible C preprocessor in DIR |
| (relative to PREFIX) as well as PREFIX/bin], |
| [if test x$withval = xyes; then |
| AC_MSG_ERROR([option --with-cpp-install-dir requires an argument]) |
| elif test x$withval != xno; then |
| cpp_install_dir=$withval |
| fi]) |
| |
| # Enable __cxa_atexit for C++. |
| AC_ARG_ENABLE(__cxa_atexit, |
| [ --enable-__cxa_atexit enable __cxa_atexit for C++], |
| [], []) |
| if test x$enable___cxa_atexit = xyes; then |
| AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1, |
| [Define if you want to use __cxa_atexit, rather than atexit, to |
| register C++ destructors for local statics and global objects. |
| This is essential for fully standards-compliant handling of |
| destructors, but requires __cxa_atexit in libc.]) |
| fi |
| |
| # Enable Multibyte Characters for C/C++ |
| AC_ARG_ENABLE(c-mbchar, |
| [ --enable-c-mbchar enable multibyte characters for C and C++], |
| if test x$enable_c_mbchar != xno; then |
| AC_DEFINE(MULTIBYTE_CHARS, 1, |
| [Define if you want the C and C++ compilers to support multibyte |
| character sets for source code.]) |
| fi) |
| |
| # Enable threads |
| # Pass with no value to take the default |
| # Pass with a value to specify a thread package |
| AC_ARG_ENABLE(threads, |
| [ --enable-threads enable thread usage for target GCC |
| --enable-threads=LIB use LIB thread package for target GCC],, |
| enable_threads='') |
| |
| enable_threads_flag=$enable_threads |
| # Check if a valid thread package |
| case x${enable_threads_flag} in |
| x | xno) |
| # No threads |
| target_thread_file='single' |
| ;; |
| xyes) |
| # default |
| target_thread_file='' |
| ;; |
| xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \ |
| xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix) |
| target_thread_file=$enable_threads_flag |
| ;; |
| *) |
| echo "$enable_threads is an unknown thread package" 1>&2 |
| exit 1 |
| ;; |
| esac |
| |
| AC_ARG_ENABLE(objc-gc, |
| [ --enable-objc-gc enable the use of Boehm's garbage collector with |
| the GNU Objective-C runtime], |
| if test x$enable_objc_gc = xno; then |
| objc_boehm_gc='' |
| else |
| objc_boehm_gc=1 |
| fi, |
| objc_boehm_gc='') |
| |
| AC_ARG_WITH(dwarf2, |
| [ --with-dwarf2 force the default debug format to be DWARF 2], |
| dwarf2="$with_dwarf2", |
| dwarf2=no) |
| |
| AC_ARG_ENABLE(shared, |
| [ --disable-shared don't provide a shared libgcc], |
| [ |
| case $enable_shared in |
| yes | no) ;; |
| *) |
| enable_shared=no |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," |
| for pkg in $enableval; do |
| if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then |
| enable_shared=yes |
| fi |
| done |
| IFS="$ac_save_ifs" |
| ;; |
| esac |
| ], [enable_shared=yes]) |
| AC_SUBST(enable_shared) |
| |
| # Stage specific cflags for build. |
| stage1_cflags= |
| case $build in |
| vax-*-*) |
| if test x$GCC = xyes |
| then |
| stage1_cflags="-Wa,-J" |
| else |
| stage1_cflags="-J" |
| fi |
| ;; |
| powerpc-*-darwin*) |
| # The spiffy cpp-precomp chokes on some legitimate constructs in GCC |
| # sources; use -no-cpp-precomp to get to GNU cpp. |
| # Apple's GCC has bugs in designated initializer handling, so disable |
| # that too. |
| stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" |
| ;; |
| esac |
| AC_SUBST(stage1_cflags) |
| |
| AC_PROG_MAKE_SET |
| |
| AC_MSG_CHECKING([whether a default assembler was specified]) |
| if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then |
| if test x"$gas_flag" = x"no"; then |
| AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) |
| else |
| AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
| fi |
| else |
| AC_MSG_RESULT(no) |
| fi |
| |
| AC_MSG_CHECKING([whether a default linker was specified]) |
| if test x"${DEFAULT_LINKER+set}" = x"set"; then |
| if test x"$gnu_ld_flag" = x"no"; then |
| AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) |
| else |
| AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) |
| fi |
| else |
| AC_MSG_RESULT(no) |
| fi |
| |
| AC_MSG_CHECKING(for GNU C library) |
| AC_CACHE_VAL(gcc_cv_glibc, |
| [AC_TRY_COMPILE( |
| [#include <features.h>],[ |
| #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) |
| #error Not a GNU C library system |
| #endif], |
| [gcc_cv_glibc=yes], |
| gcc_cv_glibc=no)]) |
| AC_MSG_RESULT($gcc_cv_glibc) |
| if test $gcc_cv_glibc = yes; then |
| AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) |
| fi |
| |
| # Find some useful tools |
| AC_PROG_AWK |
| gcc_AC_PROG_LN |
| gcc_AC_PROG_LN_S |
| AC_PROG_RANLIB |
| gcc_AC_PROG_INSTALL |
| |
| AC_HEADER_STDC |
| AC_HEADER_TIME |
| gcc_AC_HEADER_STDBOOL |
| gcc_AC_HEADER_STRING |
| AC_HEADER_SYS_WAIT |
| AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ |
| fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \ |
| sys/resource.h sys/param.h sys/times.h sys/stat.h \ |
| direct.h malloc.h langinfo.h) |
| |
| # Check for thread headers. |
| AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) |
| AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) |
| |
| # These tests can't be done till we know if we have limits.h. |
| gcc_AC_C_CHAR_BIT |
| gcc_AC_C_COMPILE_ENDIAN |
| gcc_AC_C_FLOAT_FORMAT |
| |
| # See if we have the mktemp command. |
| AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) |
| |
| # Do we have a single-tree copy of texinfo? |
| if test -f $srcdir/../texinfo/Makefile.in; then |
| MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' |
| gcc_cv_prog_makeinfo_modern=yes |
| AC_MSG_RESULT([Using makeinfo from the unified source tree.]) |
| else |
| # See if makeinfo has been installed and is modern enough |
| # that we can use it. |
| gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, |
| [GNU texinfo.* \([0-9][0-9.]*\)], |
| [4.[2-9]*]) |
| fi |
| |
| if test $gcc_cv_prog_makeinfo_modern = no; then |
| AC_MSG_WARN([ |
| *** Makeinfo is missing or too old. |
| *** Info documentation will not be built.]) |
| BUILD_INFO= |
| else |
| BUILD_INFO=info AC_SUBST(BUILD_INFO) |
| fi |
| |
| # Is pod2man recent enough to regenerate manpages? |
| AC_MSG_CHECKING([for recent Pod::Man]) |
| if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then |
| AC_MSG_RESULT(yes) |
| GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) |
| else |
| AC_MSG_RESULT(no) |
| GENERATED_MANPAGES= |
| fi |
| |
| # How about lex? |
| dnl Don't use AC_PROG_LEX; we insist on flex. |
| dnl LEXLIB is not useful in gcc. |
| if test -f $srcdir/../flex/skel.c; then |
| FLEX='$(objdir)/../flex/flex' |
| else |
| AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex) |
| fi |
| |
| # Bison? |
| # The -L switch is so bison can find its skeleton file. |
| if test -f $srcdir/../bison/bison.simple; then |
| BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' |
| else |
| AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison) |
| fi |
| |
| # These libraries may be used by collect2. |
| # We may need a special search path to get them linked. |
| AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, |
| [save_LIBS="$LIBS" |
| for libs in '' -lld -lmld \ |
| '-L/usr/lib/cmplrs/cc2.11 -lmld' \ |
| '-L/usr/lib/cmplrs/cc3.11 -lmld' |
| do |
| LIBS="$libs" |
| AC_TRY_LINK_FUNC(ldopen, |
| [gcc_cv_collect2_libs="$libs"; break]) |
| done |
| LIBS="$save_LIBS" |
| test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) |
| case $gcc_cv_collect2_libs in |
| "none required") ;; |
| *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; |
| esac |
| AC_SUBST(COLLECT2_LIBS) |
| |
| # When building Ada code on Alpha, we need exc_resume which is usually in |
| # -lexc. So test for it. |
| save_LIBS="$LIBS" |
| LIBS= |
| AC_SEARCH_LIBS(exc_resume, exc) |
| GNAT_LIBEXC="$LIBS" |
| LIBS="$save_LIBS" |
| AC_SUBST(GNAT_LIBEXC) |
| |
| # Some systems put ldexp and frexp in libm instead of libc; assume |
| # they're both in the same place. jcf-dump needs them. |
| save_LIBS="$LIBS" |
| LIBS= |
| AC_SEARCH_LIBS(ldexp, m) |
| LDEXP_LIB="$LIBS" |
| LIBS="$save_LIBS" |
| AC_SUBST(LDEXP_LIB) |
| |
| # See if the stage1 system preprocessor understands the ANSI C |
| # preprocessor stringification operator. (Used by symcat.h.) |
| AC_C_STRINGIZE |
| |
| # Use <inttypes.h> only if it exists, |
| # doesn't clash with <sys/types.h>, and declares intmax_t. |
| AC_MSG_CHECKING(for inttypes.h) |
| AC_CACHE_VAL(gcc_cv_header_inttypes_h, |
| [AC_TRY_COMPILE( |
| [#include <sys/types.h> |
| #include <inttypes.h>], |
| [intmax_t i = -1;], |
| [gcc_cv_header_inttypes_h=yes], |
| gcc_cv_header_inttypes_h=no)]) |
| AC_MSG_RESULT($gcc_cv_header_inttypes_h) |
| if test $gcc_cv_header_inttypes_h = yes; then |
| AC_DEFINE(HAVE_INTTYPES_H, 1, |
| [Define if you have a working <inttypes.h> header file.]) |
| fi |
| |
| dnl Disabled until we have a complete test for buggy enum bitfields. |
| dnl gcc_AC_C_ENUM_BF_UNSIGNED |
| |
| AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \ |
| sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \ |
| fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \ |
| scandir alphasort gettimeofday mmap) |
| |
| AC_CHECK_TYPE(ssize_t, int) |
| |
| # Try to determine the array type of the second argument of getgroups |
| # for the target system (int or gid_t). |
| AC_TYPE_GETGROUPS |
| if test "${target}" = "${build}"; then |
| TARGET_GETGROUPS_T=$ac_cv_type_getgroups |
| else |
| case "${target}" in |
| # This condition may need some tweaking. It should include all |
| # targets where the array type of the second argument of getgroups |
| # is int and the type of gid_t is not equivalent to int. |
| *-*-sunos* | *-*-ultrix*) |
| TARGET_GETGROUPS_T=int |
| ;; |
| *) |
| TARGET_GETGROUPS_T=gid_t |
| ;; |
| esac |
| fi |
| AC_SUBST(TARGET_GETGROUPS_T) |
| |
| gcc_AC_FUNC_PRINTF_PTR |
| gcc_AC_FUNC_MMAP_BLACKLIST |
| |
| case "${host}" in |
| *-*-uwin*) |
| AC_MSG_ERROR([ |
| *** UWIN may not be used as a host platform because |
| *** linking with posix.dll is not allowed by the GNU GPL]) |
| ;; |
| *-*-*vms*) |
| # Under VMS, vfork works very different than on Unix. The standard test |
| # won't work, and it isn't easily adaptable. It makes more sense to |
| # just force it. |
| ac_cv_func_vfork_works=yes |
| ;; |
| esac |
| AC_FUNC_VFORK |
| |
| AM_ICONV |
| |
| # We will need to find libiberty.h and ansidecl.h |
| saved_CFLAGS="$CFLAGS" |
| CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" |
| gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \ |
| strsignal putc_unlocked fputs_unlocked fwrite_unlocked \ |
| fprintf_unlocked strstr errno vasprintf \ |
| malloc realloc calloc free basename getopt clock, , ,[ |
| #include "ansidecl.h" |
| #include "system.h"]) |
| |
| gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
| #include "ansidecl.h" |
| #include "system.h" |
| #ifdef HAVE_SYS_RESOURCE_H |
| #include <sys/resource.h> |
| #endif |
| ]) |
| |
| AC_TRY_COMPILE([ |
| #include "ansidecl.h" |
| #include "system.h" |
| #ifdef HAVE_SYS_RESOURCE_H |
| #include <sys/resource.h> |
| #endif |
| ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long], |
| [Define to \`long' if <sys/resource.h> doesn't define.])]) |
| |
| gcc_AC_CHECK_DECLS(times, , ,[ |
| #include "ansidecl.h" |
| #include "system.h" |
| #ifdef HAVE_SYS_TIMES_H |
| #include <sys/times.h> |
| #endif |
| ]) |
| |
| # More time-related stuff. |
| AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ |
| AC_TRY_COMPILE([ |
| #include "ansidecl.h" |
| #include "system.h" |
| #ifdef HAVE_SYS_TIMES_H |
| #include <sys/times.h> |
| #endif |
| ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)]) |
| if test $ac_cv_struct_tms = yes; then |
| AC_DEFINE(HAVE_STRUCT_TMS, 1, |
| [Define if <sys/times.h> defines struct tms.]) |
| fi |
| |
| # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. |
| # revisit after autoconf 2.50. |
| AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ |
| AC_TRY_COMPILE([ |
| #include "ansidecl.h" |
| #include "system.h" |
| ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)]) |
| if test $gcc_cv_type_clock_t = yes; then |
| AC_DEFINE(HAVE_CLOCK_T, 1, |
| [Define if <time.h> defines clock_t.]) |
| fi |
| |
| AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar, |
| [AC_TRY_COMPILE([ |
| #include "ansidecl.h" |
| #include "system.h" |
| ], |
| [if ((uchar *)0) return 0; |
| if (sizeof(uchar)) return 0;], |
| ac_cv_type_uchar=yes, ac_cv_type_uchar=no)]) |
| if test $ac_cv_type_uchar = yes; then |
| AC_DEFINE(HAVE_UCHAR, 1, |
| [Define if <sys/types.h> provides uchar.]) |
| fi |
| |
| AC_ARG_ENABLE(initfini-array, |
| [ --enable-initfini-array use .init_array/.fini_array sections], |
| gcc_cv_initfinit_array=$enableval, [gcc_AC_INITFINI_ARRAY]) |
| |
| # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
| CFLAGS="$saved_CFLAGS" |
| |
| # mkdir takes a single argument on some systems. |
| gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
| |
| # File extensions |
| manext='.1' |
| objext='.o' |
| AC_SUBST(manext) |
| AC_SUBST(objext) |
| |
| # With Setjmp/Longjmp based exception handling. |
| AC_ARG_ENABLE(sjlj-exceptions, |
| [ --enable-sjlj-exceptions |
| arrange to use setjmp/longjmp exception handling], |
| [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` |
| AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, |
| [Define 0/1 to force the choice for exception handling model.])]) |
| |
| AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no) |
| # Use libunwind based exception handling. |
| AC_ARG_ENABLE(libunwind-exceptions, |
| [ --enable-libunwind-exceptions force use libunwind for exceptions], |
| use_libunwind_exceptions=$enableval, |
| use_libunwind_exceptions=$use_libunwind_default) |
| if test x"$use_libunwind_exceptions" = xyes; then |
| AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1, |
| [Define if gcc should use -lunwind.]) |
| fi |
| |
| target_gtfiles= |
| build_xm_file= |
| build_xm_defines= |
| build_install_headers_dir=install-headers-tar |
| build_exeext= |
| host_xm_file= |
| host_xm_defines= |
| host_xmake_file= |
| host_truncate_target= |
| host_exeext= |
| |
| # Decode the host machine, then the target machine. |
| # For the host machine, we save the xm_file variable as host_xm_file; |
| # then we decode the target machine and forget everything else |
| # that came from the host machine. |
| for machine in $build $host $target; do |
| . ${srcdir}/config.gcc |
| done |
| |
| extra_objs="${host_extra_objs} ${extra_objs}" |
| |
| # Default the target-machine variables that were not explicitly set. |
| if test x"$tm_file" = x |
| then tm_file=$cpu_type/$cpu_type.h; fi |
| |
| if test x"$extra_headers" = x |
| then extra_headers=; fi |
| |
| if test x$md_file = x |
| then md_file=$cpu_type/$cpu_type.md; fi |
| |
| if test x$out_file = x |
| then out_file=$cpu_type/$cpu_type.c; fi |
| |
| if test x"$tmake_file" = x |
| then tmake_file=$cpu_type/t-$cpu_type |
| fi |
| |
| if test x"$dwarf2" = xyes |
| then tm_file="$tm_file tm-dwarf2.h" |
| fi |
| |
| # Say what files are being used for the output code and MD file. |
| echo "Using \`$srcdir/config/$out_file' for machine-specific logic." |
| echo "Using \`$srcdir/config/$md_file' as machine description file." |
| |
| # If any of the xm_file variables contain nonexistent files, warn |
| # about them and drop them. |
| |
| bx= |
| for x in $build_xm_file; do |
| if test -f $srcdir/config/$x |
| then bx="$bx $x" |
| else AC_MSG_WARN($srcdir/config/$x does not exist.) |
| fi |
| done |
| build_xm_file="$bx" |
| |
| hx= |
| for x in $host_xm_file; do |
| if test -f $srcdir/config/$x |
| then hx="$hx $x" |
| else AC_MSG_WARN($srcdir/config/$x does not exist.) |
| fi |
| done |
| host_xm_file="$hx" |
| |
| tx= |
| for x in $xm_file; do |
| if test -f $srcdir/config/$x |
| then tx="$tx $x" |
| else AC_MSG_WARN($srcdir/config/$x does not exist.) |
| fi |
| done |
| xm_file="$tx" |
| |
| count=a |
| for f in $tm_file; do |
| count=${count}x |
| done |
| if test $count = ax; then |
| echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
| else |
| echo "Using the following target machine macro files:" |
| for f in $tm_file; do |
| echo " $srcdir/config/$f" |
| done |
| fi |
| |
| count=a |
| for f in $host_xm_file; do |
| count=${count}x |
| done |
| if test $count = a; then |
| : |
| elif test $count = ax; then |
| echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
| else |
| echo "Using the following host machine macro files:" |
| for f in $host_xm_file; do |
| echo " $srcdir/config/$f" |
| done |
| fi |
| |
| if test "$host_xm_file" != "$build_xm_file"; then |
| count=a |
| for f in $build_xm_file; do |
| count=${count}x |
| done |
| if test $count = a; then |
| : |
| elif test $count = ax; then |
| echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
| else |
| echo "Using the following build machine macro files:" |
| for f in $build_xm_file; do |
| echo " $srcdir/config/$f" |
| done |
| fi |
| fi |
| |
| if test x$thread_file = x; then |
| if test x$target_thread_file != x; then |
| thread_file=$target_thread_file |
| else |
| thread_file='single' |
| fi |
| fi |
| |
| # Look for a file containing extra machine modes. |
| if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then |
| extra_modes_file='$(srcdir)'/config/${extra_modes} |
| AC_SUBST(extra_modes_file) |
| AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes", |
| [Define to the name of a file containing a list of extra machine modes |
| for this architecture.]) |
| AC_DEFINE(EXTRA_CC_MODES, 1, |
| [Define if the target architecture needs extra machine modes to represent |
| the results of comparisons.]) |
| fi |
| |
| # auto-host.h is the file containing items generated by autoconf and is |
| # the first file included by config.h. |
| # If host=build, it is correct to have hconfig include auto-host.h |
| # as well. If host!=build, we are in error and need to do more |
| # work to find out the build config parameters. |
| if test x$host = x$build |
| then |
| build_auto=auto-host.h |
| FORBUILD=.. |
| else |
| # We create a subdir, then run autoconf in the subdir. |
| # To prevent recursion we set host and build for the new |
| # invocation of configure to the build for this invocation |
| # of configure. |
| tempdir=build.$$ |
| rm -rf $tempdir |
| mkdir $tempdir |
| cd $tempdir |
| case ${srcdir} in |
| /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
| *) realsrcdir=../${srcdir};; |
| esac |
| saved_CFLAGS="${CFLAGS}" |
| CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \ |
| ${realsrcdir}/configure \ |
| --target=$target_alias --host=$build_alias --build=$build_alias |
| CFLAGS="${saved_CFLAGS}" |
| |
| # We just finished tests for the build machine, so rename |
| # the file auto-build.h in the gcc directory. |
| mv auto-host.h ../auto-build.h |
| cd .. |
| rm -rf $tempdir |
| build_auto=auto-build.h |
| FORBUILD=../$build_alias |
| fi |
| AC_SUBST(FORBUILD) |
| |
| tm_file="${tm_file} defaults.h" |
| host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}" |
| build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}" |
| xm_file="ansidecl.h ${xm_file} ${tm_file}" |
| |
| # Truncate the target if necessary |
| if test x$host_truncate_target != x; then |
| target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
| fi |
| |
| # Get the version trigger filename from the toplevel |
| if test "${with_gcc_version_trigger+set}" = set; then |
| gcc_version_trigger=$with_gcc_version_trigger |
| else |
| gcc_version_trigger=${srcdir}/version.c |
| fi |
| changequote(,)dnl |
| gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'` |
| gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` |
| |
| # Compile in configure arguments. |
| if test -f configargs.h ; then |
| # Being re-configured. |
| gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'` |
| gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" |
| else |
| gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" |
| fi |
| cat > configargs.h <<EOF |
| /* Generated automatically. */ |
| static const char configuration_arguments[] = "$gcc_config_arguments"; |
| static const char thread_model[] = "$thread_file"; |
| EOF |
| changequote([,])dnl |
| |
| # Internationalization |
| PACKAGE=gcc |
| VERSION="$gcc_version" |
| AC_SUBST(PACKAGE) |
| AC_SUBST(VERSION) |
| |
| # Enable NLS support by default |
| AC_ARG_ENABLE(nls, |
| [ --enable-nls use Native Language Support (default)], |
| , enable_nls=yes) |
| |
| # if cross compiling, disable NLS support. |
| # It's not worth the trouble, at least for now. |
| |
| if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then |
| AC_MSG_WARN(Disabling NLS support for canadian cross compiler.) |
| enable_nls=no |
| fi |
| |
| AM_GNU_GETTEXT |
| |
| # Windows32 Registry support for specifying GCC installation paths. |
| AC_ARG_ENABLE(win32-registry, |
| [ --disable-win32-registry |
| disable lookup of installation paths in the |
| Registry on Windows hosts |
| --enable-win32-registry enable registry lookup (default) |
| --enable-win32-registry=KEY |
| use KEY instead of GCC version as the last portion |
| of the registry key],,) |
| case $host_os in |
| win32 | pe | cygwin* | mingw32* | uwin*) |
| AC_MSG_CHECKING(whether windows registry support is requested) |
| if test "x$enable_win32_registry" != xno; then |
| AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, |
| [Define to 1 if installation paths should be looked up in Windows32 |
| Registry. Ignored on non windows32 hosts.]) |
| AC_MSG_RESULT(yes) |
| AC_SEARCH_LIBS(RegOpenKeyExA, advapi32) |
| else |
| AC_MSG_RESULT(no) |
| fi |
| |
| # Check if user specified a different registry key. |
| case "x${enable_win32_registry}" in |
| x | xyes) |
| # default. |
| gcc_cv_win32_registry_key="$VERSION" |
| ;; |
| xno) |
| # no registry lookup. |
| gcc_cv_win32_registry_key='' |
| ;; |
| *) |
| # user-specified key. |
| gcc_cv_win32_registry_key="$enable_win32_registry" |
| ;; |
| esac |
| |
| if test "x$enable_win32_registry" != xno; then |
| AC_MSG_CHECKING(registry key on windows hosts) |
| AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", |
| [Define to be the last portion of registry key on windows hosts.]) |
| AC_MSG_RESULT($gcc_cv_win32_registry_key) |
| fi |
| ;; |
| esac |
| |
| # Get an absolute path to the GCC top-level source directory |
| holddir=`${PWDCMD-pwd}` |
| cd $srcdir |
| topdir=`${PWDCMD-pwd}` |
| cd $holddir |
| |
| # Conditionalize the makefile for this host machine. |
| # Make-host contains the concatenation of all host makefile fragments |
| # [there can be more than one]. This file is built by configure.frag. |
| host_overrides=Make-host |
| dep_host_xmake_file= |
| for f in .. ${host_xmake_file} |
| do |
| if test -f ${srcdir}/config/$f |
| then |
| dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f" |
| fi |
| done |
| |
| # Conditionalize the makefile for this target machine. |
| # Make-target contains the concatenation of all host makefile fragments |
| # [there can be more than one]. This file is built by configure.frag. |
| target_overrides=Make-target |
| dep_tmake_file= |
| for f in .. ${tmake_file} |
| do |
| if test -f ${srcdir}/config/$f |
| then |
| dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f" |
| fi |
| done |
| |
| # If the host doesn't support symlinks, modify CC in |
| # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. |
| # Otherwise, we can use "CC=$(CC)". |
| rm -f symtest.tem |
| if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null |
| then |
| cc_set_by_configure="\$(CC)" |
| quoted_cc_set_by_configure="\$(CC)" |
| stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
| quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
| else |
| rm -f symtest.tem |
| if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null |
| then |
| symbolic_link="cp -p" |
| else |
| symbolic_link="cp" |
| fi |
| cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" |
| quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" |
| stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" |
| quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`" |
| fi |
| rm -f symtest.tem |
| |
| out_object_file=`basename $out_file .c`.o |
| |
| tm_file_list= |
| for f in $tm_file; do |
| case $f in |
| ansidecl.h ) |
| tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;; |
| defaults.h ) |
| tm_file_list="${tm_file_list} \$(srcdir)/$f" ;; |
| *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;; |
| esac |
| done |
| |
| tm_p_file_list= |
| for f in $tm_p_file; do |
| tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" |
| done |
| |
| host_xm_file_list= |
| for f in $host_xm_file; do |
| case $f in |
| ansidecl.h ) |
| host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; |
| auto-host.h ) |
| host_xm_file_list="${host_xm_file_list} $f" ;; |
| defaults.h ) |
| host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;; |
| *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;; |
| esac |
| done |
| |
| build_xm_file_list= |
| for f in $build_xm_file; do |
| case $f in |
| ansidecl.h ) |
| build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; |
| auto-build.h | auto-host.h ) |
| build_xm_file_list="${build_xm_file_list} $f" ;; |
| defaults.h ) |
| host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;; |
| *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;; |
| esac |
| done |
| |
| # Define macro CROSS_COMPILE in compilation if this is a cross-compiler. |
| # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR. |
| CROSS= AC_SUBST(CROSS) |
| ALL=all.internal AC_SUBST(ALL) |
| SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR) |
| if test x$host != x$target |
| then |
| CROSS="-DCROSS_COMPILE" |
| ALL=all.cross |
| SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' |
| case "$host","$target" in |
| i?86-*-*,x86_64-*-* \ |
| | powerpc*-*-*,powerpc64*-*-*) |
| CROSS="$CROSS -DNATIVE_CROSS" ;; |
| esac |
| elif test "x$TARGET_SYSTEM_ROOT" != x; then |
| # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR) |
| SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' |
| fi |
| |
| # If this is a cross-compiler that does not |
| # have its own set of headers then define |
| # inhibit_libc |
| |
| # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS. |
| # This prevents libgcc2 from containing any code which requires libc |
| # support. |
| inhibit_libc= |
| if { test x$host != x$target && test "x$with_headers" = x && |
| test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then |
| inhibit_libc=-Dinhibit_libc |
| fi |
| AC_SUBST(inhibit_libc) |
| |
| # When building gcc with a cross-compiler, we need to adjust things so |
| # that the generator programs are still built with the native compiler. |
| # Also, we cannot run fixincludes or fix-header. |
| # Note that the terminology here is wrong; it should be BUILD_* throughout. |
| # FIXME. |
| |
| # These are the normal (build=host) settings: |
| BUILD_PREFIX= AC_SUBST(BUILD_PREFIX) |
| BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1) |
| HOST_CC='$(CC)' AC_SUBST(HOST_CC) |
| HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS) |
| |
| STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC) |
| STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO) |
| |
| # And these apply if build != host. |
| if test x$build != x$host |
| then |
| BUILD_PREFIX=build- |
| BUILD_PREFIX_1=build- |
| HOST_CC='$(CC_FOR_BUILD)' |
| HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)' |
| |
| if test "x$TARGET_SYSTEM_ROOT" = x; then |
| STMP_FIXINC= |
| STMP_FIXPROTO= |
| fi |
| fi |
| |
| # Expand extra_headers to include complete path. |
| # This substitutes for lots of t-* files. |
| extra_headers_list= |
| if test "x$extra_headers" = x |
| then true |
| else |
| # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers. |
| for file in $extra_headers; |
| do |
| extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}" |
| done |
| fi |
| |
| if test x$use_collect2 = xno; then |
| use_collect2= |
| fi |
| |
| # Add a definition of USE_COLLECT2 if system wants one. |
| if test x$use_collect2 != x |
| then |
| host_xm_defines="${host_xm_defines} USE_COLLECT2" |
| xm_defines="${xm_defines} USE_COLLECT2" |
| fi |
| |
| # If we have gas in the build tree, make a link to it. |
| if test -f ../gas/Makefile; then |
| rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null |
| fi |
| |
| # If we have nm and objdump in the build tree, make a link to them. |
| if test -f ../binutils/Makefile; then |
| rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null |
| rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null |
| fi |
| |
| # If we have ld in the build tree, make a link to it. |
| if test -f ../ld/Makefile; then |
| rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null |
| fi |
| |
| # Figure out what assembler we will be using. |
| AC_MSG_CHECKING(what assembler to use) |
| gcc_cv_as= |
| gcc_cv_gas_major_version= |
| gcc_cv_gas_minor_version= |
| gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
| gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd |
| if test -x "$DEFAULT_ASSEMBLER"; then |
| gcc_cv_as="$DEFAULT_ASSEMBLER" |
| elif test -x "$AS"; then |
| gcc_cv_as="$AS" |
| elif test -x as$host_exeext; then |
| # Build using assembler in the current directory. |
| gcc_cv_as=./as$host_exeext |
| elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then |
| # Single tree build which includes gas. |
| for f in $gcc_cv_as_bfd_srcdir/configure $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in |
| do |
| changequote(,)dnl |
| gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` |
| changequote([,])dnl |
| if test x$gcc_cv_gas_version != x; then |
| break |
| fi |
| done |
| changequote(,)dnl |
| gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"` |
| gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"` |
| gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"` |
| changequote([,])dnl |
| fi |
| |
| if test "x$gcc_cv_as" = x; then |
| # Search the same directories that the installed compiler will |
| # search. Else we may find the wrong assembler and lose. If we |
| # do not find a suitable assembler binary, then try the user's |
| # path. |
| # |
| # Also note we have to check MD_EXEC_PREFIX before checking the |
| # user's path. Unfortunately, there is no good way to get at the |
| # value of MD_EXEC_PREFIX here. So we do a brute force search |
| # through all the known MD_EXEC_PREFIX values. Ugh. This needs |
| # to be fixed as part of the make/configure rewrite too. |
| |
| if test "x$exec_prefix" = xNONE; then |
| if test "x$prefix" = xNONE; then |
| test_prefix=/usr/local |
| else |
| test_prefix=$prefix |
| fi |
| else |
| test_prefix=$exec_prefix |
| fi |
| |
| # If the loop below does not find an assembler, then use whatever |
| # one we can find in the users's path. |
| # user's path. |
| if test "x$program_prefix" != xNONE; then |
| gcc_cv_as=${program_prefix}as$host_exeext |
| else |
| gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext |
| fi |
| |
| test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \ |
| $test_prefix/lib/gcc-lib/$target_alias \ |
| /usr/lib/gcc/$target_alias/$gcc_version \ |
| /usr/lib/gcc/$target_alias \ |
| $test_prefix/$target_alias/bin/$target_alias/$gcc_version \ |
| $test_prefix/$target_alias/bin" |
| |
| if test x$host = x$target; then |
| test_dirs="$test_dirs \ |
| /usr/libexec \ |
| /usr/ccs/gcc \ |
| /usr/ccs/bin \ |
| /udk/usr/ccs/bin \ |
| /bsd43/usr/lib/cmplrs/cc \ |
| /usr/cross64/usr/bin \ |
| /usr/lib/cmplrs/cc \ |
| /sysv/usr/lib/cmplrs/cc \ |
| /svr4/usr/lib/cmplrs/cc \ |
| /usr/bin" |
| fi |
| |
| for dir in $test_dirs; do |
| if test -x $dir/as$host_exeext; then |
| gcc_cv_as=$dir/as$host_exeext |
| break; |
| fi |
| done |
| fi |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
| AC_MSG_RESULT("newly built gas") |
| else |
| AC_MSG_RESULT($gcc_cv_as) |
| fi |
| |
| # Figure out what linker we will be using. |
| AC_MSG_CHECKING(what linker to use) |
| gcc_cv_ld= |
| gcc_cv_gld_major_version= |
| gcc_cv_gld_minor_version= |
| gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld |
| gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd |
| if test -x "$DEFAULT_LINKER"; then |
| gcc_cv_ld="$DEFAULT_LINKER" |
| elif test -x "$LD"; then |
| gcc_cv_ld="$LD" |
| elif test -x ld$host_exeext; then |
| # Build using linker in the current directory. |
| gcc_cv_ld=./ld$host_exeext |
| elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then |
| # Single tree build which includes ld. |
| for f in $gcc_cv_ld_bfd_srcdir/configure $gcc_cv_ld_gld_srcdir/configure $gcc_cv_ld_gld_srcdir/configure.in $gcc_cv_ld_gld_srcdir/Makefile.in |
| do |
| changequote(,)dnl |
| gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` |
| changequote([,])dnl |
| if test x$gcc_cv_gld_version != x; then |
| break |
| fi |
| done |
| changequote(,)dnl |
| gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"` |
| gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"` |
| changequote([,])dnl |
| fi |
| |
| if test "x$gcc_cv_ld" = x; then |
| # Search the same directories that the installed compiler will |
| # search. Else we may find the wrong linker and lose. If we |
| # do not find a suitable linker binary, then try the user's |
| # path. |
| # |
| # Also note we have to check MD_EXEC_PREFIX before checking the |
| # user's path. Unfortunately, there is no good way to get at the |
| # value of MD_EXEC_PREFIX here. So we do a brute force search |
| # through all the known MD_EXEC_PREFIX values. Ugh. This needs |
| # to be fixed as part of the make/configure rewrite too. |
| |
| if test "x$exec_prefix" = xNONE; then |
| if test "x$prefix" = xNONE; then |
| test_prefix=/usr/local |
| else |
| test_prefix=$prefix |
| fi |
| else |
| test_prefix=$exec_prefix |
| fi |
| |
| # If the loop below does not find an linker, then use whatever |
| # one we can find in the users's path. |
| # user's path. |
| if test "x$program_prefix" != xNONE; then |
| gcc_cv_ld=${program_prefix}ld$host_exeext |
| else |
| gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext |
| fi |
| |
| test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \ |
| $test_prefix/lib/gcc-lib/$target_alias \ |
| /usr/lib/gcc/$target_alias/$gcc_version \ |
| /usr/lib/gcc/$target_alias \ |
| $test_prefix/$target_alias/bin/$target_alias/$gcc_version \ |
| $test_prefix/$target_alias/bin" |
| |
| if test x$host = x$target; then |
| test_dirs="$test_dirs \ |
| /usr/libexec \ |
| /usr/ccs/gcc \ |
| /usr/ccs/bin \ |
| /udk/usr/ccs/bin \ |
| /bsd43/usr/lib/cmplrs/cc \ |
| /usr/cross64/usr/bin \ |
| /usr/lib/cmplrs/cc \ |
| /sysv/usr/lib/cmplrs/cc \ |
| /svr4/usr/lib/cmplrs/cc \ |
| /usr/bin" |
| fi |
| |
| for dir in $test_dirs; do |
| if test -x $dir/ld$host_exeext; then |
| gcc_cv_ld=$dir/ld$host_exeext |
| break; |
| fi |
| done |
| fi |
| if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then |
| AC_MSG_RESULT("newly built ld") |
| else |
| AC_MSG_RESULT($gcc_cv_ld) |
| fi |
| |
| # Figure out what nm we will be using. |
| AC_MSG_CHECKING(what nm to use) |
| if test -x nm$host_exeext; then |
| gcc_cv_nm=./nm$host_exeext |
| elif test "x$program_prefix" != xNONE; then |
| gcc_cv_nm=${program_prefix}nm$host_exeext |
| else |
| gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext |
| fi |
| AC_MSG_RESULT($gcc_cv_nm) |
| |
| # Figure out what objdump we will be using. |
| AC_MSG_CHECKING(what objdump to use) |
| if test -x objdump$host_exeext; then |
| gcc_cv_objdump=./objdump$host_exeext |
| elif test "x$program_prefix" != xNONE; then |
| gcc_cv_objdump=${program_prefix}objdump$host_exeext |
| else |
| gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext |
| fi |
| AC_MSG_RESULT($gcc_cv_objdump) |
| |
| # Figure out what assembler alignment features are present. |
| AC_MSG_CHECKING(assembler alignment features) |
| gcc_cv_as_alignment_features=none |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
| # Gas version 2.6 and later support for .balign and .p2align. |
| # bytes to skip when using .p2align. |
| if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then |
| gcc_cv_as_alignment_features=".balign and .p2align" |
| AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) |
| fi |
| # Gas version 2.8 and later support specifying the maximum |
| # bytes to skip when using .p2align. |
| if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then |
| gcc_cv_as_alignment_features=".p2align including maximum skip" |
| AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) |
| fi |
| elif test x$gcc_cv_as != x; then |
| # Check if we have .balign and .p2align |
| echo ".balign 4" > conftest.s |
| echo ".p2align 2" >> conftest.s |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_alignment_features=".balign and .p2align" |
| AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) |
| fi |
| rm -f conftest.s conftest.o |
| # Check if specifying the maximum bytes to skip when |
| # using .p2align is supported. |
| echo ".p2align 4,,7" > conftest.s |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_alignment_features=".p2align including maximum skip" |
| AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) |
| fi |
| rm -f conftest.s conftest.o |
| fi |
| AC_MSG_RESULT($gcc_cv_as_alignment_features) |
| |
| AC_MSG_CHECKING(assembler subsection support) |
| gcc_cv_as_subsections=no |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
| if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then |
| gcc_cv_as_subsections="working .subsection -1" |
| fi |
| elif test x$gcc_cv_as != x; then |
| # Check if we have .subsection |
| echo ".subsection 1" > conftest.s |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_subsections=".subsection" |
| if test x$gcc_cv_nm != x; then |
| cat > conftest.s <<EOF |
| conftest_label1: .word 0 |
| .subsection -1 |
| conftest_label2: .word 0 |
| .previous |
| EOF |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 |
| $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 |
| if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then |
| : |
| else |
| gcc_cv_as_subsections="working .subsection -1" |
| fi |
| fi |
| fi |
| fi |
| rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 |
| fi |
| if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then |
| AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, |
| [Define if your assembler supports .subsection and .subsection -1 starts |
| emitting at the beginning of your section.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_subsections) |
| |
| AC_MSG_CHECKING(assembler weak support) |
| gcc_cv_as_weak=no |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
| if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then |
| gcc_cv_as_weak="yes" |
| fi |
| elif test x$gcc_cv_as != x; then |
| # Check if we have .weak |
| echo " .weak foobar" > conftest.s |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_weak="yes" |
| fi |
| rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 |
| fi |
| if test x"$gcc_cv_as_weak" = xyes; then |
| AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_weak) |
| |
| AC_MSG_CHECKING(assembler hidden support) |
| gcc_cv_as_hidden=no |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
| if test "$gcc_cv_gas_major_version" -eq 2 \ |
| -a "$gcc_cv_gas_minor_version" -eq 12 \ |
| -a "$gcc_cv_gas_patch_version" -ge 1 \ |
| -o "$gcc_cv_gas_major_version" -eq 2 \ |
| -a "$gcc_cv_gas_minor_version" -gt 12 \ |
| -o "$gcc_cv_gas_major_version" -gt 2 \ |
| && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then |
| gcc_cv_as_hidden="yes" |
| fi |
| elif test x$gcc_cv_as != x; then |
| # Check if we have .hidden |
| echo " .hidden foobar" > conftest.s |
| echo "foobar:" >> conftest.s |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_hidden="yes" |
| fi |
| rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 |
| |
| # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN. |
| # This is irritatingly difficult to feature test for. Look for |
| # the date string after the version number. |
| ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1` |
| if echo "$ld_ver" | grep GNU > /dev/null; then |
| changequote(,)dnl |
| ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\)\([ ].*\|\)$,\1,p'` |
| ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'` |
| if test 0"$ld_date" -lt 20020404; then |
| if test -n "$ld_date"; then |
| # If there was date string, but was earlier than 2002-04-04, fail |
| gcc_cv_as_hidden="no" |
| elif test -z "$ld_vers"; then |
| # If there was no date string nor ld version number, something is wrong |
| gcc_cv_as_hidden="no" |
| else |
| ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` |
| ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` |
| ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'` |
| test -z "$ld_vers_patch" && ld_vers_patch=0 |
| if test "$ld_vers_major" -lt 2; then |
| gcc_cv_as_hidden="no" |
| elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then |
| gcc_cv_as_hidden="no" |
| elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \ |
| -a "$ld_vers_patch" -eq 0; then |
| gcc_cv_as_hidden="no" |
| fi |
| fi |
| fi |
| changequote([,])dnl |
| else |
| # non-GNU linkers don't seem to support .hidden yet |
| gcc_cv_as_hidden=no |
| fi |
| fi |
| if test x"$gcc_cv_as_hidden" = xyes; then |
| AC_DEFINE(HAVE_GAS_HIDDEN, 1, |
| [Define if your assembler supports .hidden.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_hidden) |
| libgcc_visibility=$gcc_cv_as_hidden |
| AC_SUBST(libgcc_visibility) |
| |
| AC_MSG_CHECKING(assembler leb128 support) |
| gcc_cv_as_leb128=no |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
| if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 11 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then |
| gcc_cv_as_leb128="yes" |
| fi |
| elif test x$gcc_cv_as != x; then |
| # Check if we have .[us]leb128, and support symbol arithmetic with it. |
| cat > conftest.s <<EOF |
| .data |
| .uleb128 L2 - L1 |
| L1: |
| .uleb128 1280 |
| .sleb128 -1010 |
| L2: |
| EOF |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_leb128="yes" |
| |
| # GAS versions before 2.11 do not support uleb128, |
| # despite appearing to. |
| # ??? There exists an elf-specific test that will crash |
| # the assembler. Perhaps it's better to figure out whether |
| # arbitrary sections are supported and try the test. |
| as_ver=`$gcc_cv_as --version 2>/dev/null | head -1` |
| if echo "$as_ver" | grep GNU > /dev/null; then |
| changequote(,)dnl |
| as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'` |
| as_major=`echo $as_ver | sed 's/\..*//'` |
| as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'` |
| changequote([,])dnl |
| if test $as_major -eq 2 -a $as_minor -lt 11; then |
| gcc_cv_as_leb128="no" |
| fi |
| fi |
| fi |
| rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 |
| fi |
| if test x"$gcc_cv_as_leb128" = xyes; then |
| AC_DEFINE(HAVE_AS_LEB128, 1, |
| [Define if your assembler supports .uleb128.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_leb128) |
| |
| AC_MSG_CHECKING(assembler eh_frame optimization) |
| gcc_cv_as_eh_frame=no |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
| if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then |
| gcc_cv_as_eh_frame="yes" |
| fi |
| elif test x$gcc_cv_as != x; then |
| # Check if this is GAS. |
| as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1` |
| rm -f a.out 2> /dev/null |
| if echo "$as_ver" | grep GNU > /dev/null; then |
| # Versions up to and including 2.11.0 may mis-optimize |
| # .eh_frame data. Try something. |
| cat > conftest.s <<EOF |
| .text |
| .LFB1: |
| .4byte 0 |
| .L1: |
| .4byte 0 |
| .LFE1: |
| .section .eh_frame,"aw",@progbits |
| __FRAME_BEGIN__: |
| .4byte .LECIE1-.LSCIE1 |
| .LSCIE1: |
| .4byte 0x0 |
| .byte 0x1 |
| .ascii "z\0" |
| .byte 0x1 |
| .byte 0x78 |
| .byte 0x1a |
| .byte 0x0 |
| .byte 0x4 |
| .4byte 1 |
| .p2align 1 |
| .LECIE1: |
| .LSFDE1: |
| .4byte .LEFDE1-.LASFDE1 |
| .LASFDE1: |
| .4byte .LASFDE1-__FRAME_BEGIN__ |
| .4byte .LFB1 |
| .4byte .LFE1-.LFB1 |
| .byte 0x4 |
| .4byte .LFE1-.LFB1 |
| .byte 0x4 |
| .4byte .L1-.LFB1 |
| .LEFDE1: |
| EOF |
| cat > conftest.lit <<EOF |
| 0000 10000000 00000000 017a0001 781a0004 .........z..x... |
| 0010 01000000 12000000 18000000 00000000 ................ |
| 0020 08000000 04080000 0044 .........D |
| EOF |
| cat > conftest.big <<EOF |
| 0000 00000010 00000000 017a0001 781a0004 .........z..x... |
| 0010 00000001 00000012 00000018 00000000 ................ |
| 0020 00000008 04000000 0844 .........D |
| EOF |
| # If the assembler didn't choke, and we can objdump, |
| # and we got the correct data, then succeed. |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ |
| && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \ |
| | tail -3 > conftest.got \ |
| && { cmp conftest.lit conftest.got > /dev/null 2>&1 \ |
| || cmp conftest.big conftest.got > /dev/null 2>&1; } |
| then |
| gcc_cv_as_eh_frame="yes" |
| else |
| gcc_cv_as_eh_frame="bad" |
| if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then |
| AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1, |
| [Define if your assembler mis-optimizes .eh_frame data.]) |
| fi |
| fi |
| fi |
| rm -f conftest.* |
| fi |
| AC_MSG_RESULT($gcc_cv_as_eh_frame) |
| |
| AC_MSG_CHECKING(assembler section merging support) |
| gcc_cv_as_shf_merge=no |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
| if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then |
| gcc_cv_as_shf_merge=yes |
| fi |
| elif test x$gcc_cv_as != x; then |
| # Check if we support SHF_MERGE sections |
| echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s |
| if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_shf_merge=yes |
| fi |
| rm -f conftest.s conftest.o |
| fi |
| if test x"$gcc_cv_as_shf_merge" = xyes; then |
| AC_DEFINE(HAVE_GAS_SHF_MERGE, 1, |
| [Define if your assembler supports marking sections with SHF_MERGE flag.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_shf_merge) |
| |
| AC_MSG_CHECKING(assembler thread-local storage support) |
| gcc_cv_as_tls=no |
| conftest_s= |
| tls_first_major= |
| tls_first_minor= |
| case "$target" in |
| changequote(,)dnl |
| alpha*-*-*) |
| conftest_s=' |
| .section ".tdata","awT",@progbits |
| foo: .long 25 |
| .text |
| ldq $27,__tls_get_addr($29) !literal!1 |
| lda $16,foo($29) !tlsgd!1 |
| jsr $26,($27),__tls_get_addr !lituse_tlsgd!1 |
| ldq $27,__tls_get_addr($29) !literal!2 |
| lda $16,foo($29) !tlsldm!2 |
| jsr $26,($27),__tls_get_addr !lituse_tlsldm!2 |
| ldq $1,foo($29) !gotdtprel |
| ldah $2,foo($29) !dtprelhi |
| lda $3,foo($2) !dtprello |
| lda $4,foo($29) !dtprel |
| ldq $1,foo($29) !gottprel |
| ldah $2,foo($29) !tprelhi |
| lda $3,foo($2) !tprello |
| lda $4,foo($29) !tprel' |
| tls_first_major=2 |
| tls_first_minor=13 |
| ;; |
| i[34567]86-*-*) |
| changequote([,])dnl |
| conftest_s=' |
| .section ".tdata","awT",@progbits |
| foo: .long 25 |
| .text |
| movl %gs:0, %eax |
| leal foo@TLSGD(,%ebx,1), %eax |
| leal foo@TLSLDM(%ebx), %eax |
| leal foo@DTPOFF(%eax), %edx |
| movl foo@GOTTPOFF(%ebx), %eax |
| subl foo@GOTTPOFF(%ebx), %eax |
| addl foo@GOTNTPOFF(%ebx), %eax |
| movl foo@INDNTPOFF, %eax |
| movl $foo@TPOFF, %eax |
| subl $foo@TPOFF, %eax |
| leal foo@NTPOFF(%ecx), %eax' |
| tls_first_major=2 |
| tls_first_minor=14 |
| ;; |
| x86_64-*-*) |
| conftest_s=' |
| .section ".tdata","awT",@progbits |
| foo: .long 25 |
| .text |
| movq %fs:0, %rax |
| leaq foo@TLSGD(%rip), %rdi |
| leaq foo@TLSLD(%rip), %rdi |
| leaq foo@DTPOFF(%rax), %rdx |
| movq foo@GOTTPOFF(%rip), %rax |
| movq $foo@TPOFF, %rax' |
| tls_first_major=2 |
| tls_first_minor=14 |
| ;; |
| ia64-*-*) |
| conftest_s=' |
| .section ".tdata","awT",@progbits |
| foo: data8 25 |
| .text |
| addl r16 = @ltoff(@dtpmod(foo#)), gp |
| addl r17 = @ltoff(@dtprel(foo#)), gp |
| addl r18 = @ltoff(@tprel(foo#)), gp |
| addl r19 = @dtprel(foo#), gp |
| adds r21 = @dtprel(foo#), r13 |
| movl r23 = @dtprel(foo#) |
| addl r20 = @tprel(foo#), gp |
| adds r22 = @tprel(foo#), r13 |
| movl r24 = @tprel(foo#)' |
| tls_first_major=2 |
| tls_first_minor=13 |
| ;; |
| s390-*-*) |
| conftest_s=' |
| .section ".tdata","awT",@progbits |
| foo: .long 25 |
| .text |
| .long foo@TLSGD |
| .long foo@TLSLDM |
| .long foo@DTPOFF |
| .long foo@NTPOFF |
| .long foo@GOTNTPOFF |
| .long foo@INDNTPOFF |
| l %r1,foo@GOTNTPOFF(%r12) |
| l %r1,0(%r1):tls_load:foo |
| bas %r14,0(%r1,%r13):tls_gdcall:foo |
| bas %r14,0(%r1,%r13):tls_ldcall:foo' |
| tls_first_major=2 |
| tls_first_minor=14 |
| ;; |
| s390x-*-*) |
| conftest_s=' |
| .section ".tdata","awT",@progbits |
| foo: .long 25 |
| .text |
| .quad foo@TLSGD |
| .quad foo@TLSLDM |
| .quad foo@DTPOFF |
| .quad foo@NTPOFF |
| .quad foo@GOTNTPOFF |
| lg %r1,foo@GOTNTPOFF(%r12) |
| larl %r1,foo@INDNTPOFF |
| brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo |
| brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo' |
| tls_first_major=2 |
| tls_first_minor=14 |
| ;; |
| esac |
| if test -z "$tls_first_major"; then |
| : |
| elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x |
| then |
| if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \ |
| -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \ |
| -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then |
| gcc_cv_as_tls=yes |
| fi |
| elif test x$gcc_cv_as != x; then |
| echo "$conftest_s" > conftest.s |
| if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1 |
| then |
| gcc_cv_as_tls=yes |
| fi |
| rm -f conftest.s conftest.o |
| fi |
| if test "$gcc_cv_as_tls" = yes; then |
| AC_DEFINE(HAVE_AS_TLS, 1, |
| [Define if your assembler supports thread-local storage.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_tls) |
| |
| case "$target" in |
| # All TARGET_ABI_OSF targets. |
| alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*) |
| AC_CACHE_CHECK([assembler supports explicit relocations], |
| gcc_cv_as_explicit_relocs, [ |
| gcc_cv_as_explicit_relocs=unknown |
| if test x$gcc_cv_gas_major_version != x \ |
| -a x$gcc_cv_gas_minor_version != x |
| then |
| if test "$gcc_cv_gas_major_version" -eq 2 \ |
| -a "$gcc_cv_gas_minor_version" -ge 12 \ |
| -o "$gcc_cv_gas_major_version" -gt 2; then |
| gcc_cv_as_explicit_relocs=yes |
| fi |
| elif test x$gcc_cv_as != x; then |
| cat > conftest.s << 'EOF' |
| .set nomacro |
| .text |
| extbl $3, $2, $3 !lituse_bytoff!1 |
| ldq $2, a($29) !literal!1 |
| ldq $4, b($29) !literal!2 |
| ldq_u $3, 0($2) !lituse_base!1 |
| ldq $27, f($29) !literal!5 |
| jsr $26, ($27), f !lituse_jsr!5 |
| ldah $29, 0($26) !gpdisp!3 |
| lda $0, c($29) !gprel |
| ldah $1, d($29) !gprelhigh |
| lda $1, d($1) !gprellow |
| lda $29, 0($29) !gpdisp!3 |
| EOF |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_explicit_relocs=yes |
| else |
| gcc_cv_as_explicit_relocs=no |
| fi |
| rm -f conftest.s conftest.o |
| fi |
| ]) |
| if test "x$gcc_cv_as_explicit_relocs" = xyes; then |
| AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1, |
| [Define if your assembler supports explicit relocations.]) |
| fi |
| ;; |
| sparc*-*-*) |
| AC_CACHE_CHECK([assembler .register pseudo-op support], |
| gcc_cv_as_register_pseudo_op, [ |
| gcc_cv_as_register_pseudo_op=unknown |
| if test x$gcc_cv_as != x; then |
| # Check if we have .register |
| echo ".register %g2, #scratch" > conftest.s |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_register_pseudo_op=yes |
| else |
| gcc_cv_as_register_pseudo_op=no |
| fi |
| rm -f conftest.s conftest.o |
| fi |
| ]) |
| if test "x$gcc_cv_as_register_pseudo_op" = xyes; then |
| AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, |
| [Define if your assembler supports .register.]) |
| fi |
| |
| AC_CACHE_CHECK([assembler supports -relax], |
| gcc_cv_as_relax_opt, [ |
| gcc_cv_as_relax_opt=unknown |
| if test x$gcc_cv_as != x; then |
| # Check if gas supports -relax |
| echo ".text" > conftest.s |
| if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_relax_opt=yes |
| else |
| gcc_cv_as_relax_opt=no |
| fi |
| rm -f conftest.s conftest.o |
| fi |
| ]) |
| if test "x$gcc_cv_as_relax_opt" = xyes; then |
| AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, |
| [Define if your assembler supports -relax option.]) |
| fi |
| |
| AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], |
| gcc_cv_as_sparc_ua_pcrel, [ |
| gcc_cv_as_sparc_ua_pcrel=unknown |
| if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then |
| gcc_cv_as_sparc_ua_pcrel=no |
| echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s |
| if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \ |
| && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then |
| gcc_cv_as_sparc_ua_pcrel=yes |
| fi |
| rm -f conftest.s conftest.o conftest |
| fi |
| ]) |
| if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then |
| AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, |
| [Define if your assembler and linker support unaligned PC relative relocs.]) |
| fi |
| |
| AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols], |
| gcc_cv_as_sparc_ua_pcrel_hidden, [ |
| if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then |
| gcc_cv_as_sparc_ua_pcrel_hidden=unknown |
| if test x$gcc_cv_objdump != x; then |
| gcc_cv_as_sparc_ua_pcrel_hidden=no |
| echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s |
| echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s |
| echo "foo: .skip 4" >> conftest.s |
| if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \ |
| && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \ |
| && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \ |
| | grep ' 31000000 07323334' > /dev/null 2>&1; then |
| if $gcc_cv_objdump -R conftest 2> /dev/null \ |
| | grep 'DISP32' > /dev/null 2>&1; then |
| : |
| else |
| gcc_cv_as_sparc_ua_pcrel_hidden=yes |
| fi |
| fi |
| fi |
| rm -f conftest.s conftest.o conftest |
| else |
| gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel" |
| fi |
| ]) |
| if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then |
| AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1, |
| [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.]) |
| fi |
| |
| AC_CACHE_CHECK([for assembler offsetable %lo() support], |
| gcc_cv_as_offsetable_lo10, [ |
| gcc_cv_as_offsetable_lo10=unknown |
| if test "x$gcc_cv_as" != x; then |
| # Check if assembler has offsetable %lo() |
| echo "or %g1, %lo(ab) + 12, %g1" > conftest.s |
| echo "or %g1, %lo(ab + 12), %g1" > conftest1.s |
| if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \ |
| > /dev/null 2>&1 && |
| $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \ |
| > /dev/null 2>&1; then |
| if cmp conftest.o conftest1.o > /dev/null 2>&1; then |
| gcc_cv_as_offsetable_lo10=no |
| else |
| gcc_cv_as_offsetable_lo10=yes |
| fi |
| else |
| gcc_cv_as_offsetable_lo10=no |
| fi |
| rm -f conftest.s conftest.o conftest1.s conftest1.o |
| fi |
| ]) |
| if test "x$gcc_cv_as_offsetable_lo10" = xyes; then |
| AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, |
| [Define if your assembler supports offsetable %lo().]) |
| fi |
| |
| ;; |
| |
| changequote(,)dnl |
| i[34567]86-*-* | x86_64-*-*) |
| changequote([,])dnl |
| AC_MSG_CHECKING(assembler instructions) |
| gcc_cv_as_instructions= |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
| if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then |
| gcc_cv_as_instructions="filds fists" |
| fi |
| elif test x$gcc_cv_as != x; then |
| set "filds fists" "filds mem; fists mem" |
| while test $# -gt 0 |
| do |
| echo "$2" > conftest.s |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" " |
| fi |
| shift 2 |
| done |
| rm -f conftest.s conftest.o |
| fi |
| if test x"$gcc_cv_as_instructions" != x; then |
| AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_instructions) |
| |
| AC_MSG_CHECKING(cmov syntax) |
| gcc_cv_as_ix86_cmov_sun_syntax=no |
| if test x$gcc_cv_as != x; then |
| echo 'cmovl.l %edx, %eax' > conftest.s |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_ix86_cmov_sun_syntax=yes |
| fi |
| rm -f conftest.s conftest.o |
| fi |
| if test "x$gcc_cv_as_ix86_cmov_sun_syntax" = xyes; then |
| AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1, |
| [Define if your assembler supports the Sun syntax for cmov.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_ix86_cmov_sun_syntax) |
| |
| AC_MSG_CHECKING(assembler GOTOFF in data directives) |
| gcc_cv_as_gotoff_in_data=no |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x |
| then |
| if test "$gcc_cv_gas_major_version" -eq 2 \ |
| -a "$gcc_cv_gas_minor_version" -ge 11 \ |
| -o "$gcc_cv_gas_major_version" -gt 2; then |
| gcc_cv_as_gotoff_in_data=yes |
| fi |
| elif test x$gcc_cv_as != x; then |
| cat > conftest.s <<EOF |
| .text |
| .L0: |
| nop |
| .data |
| .long .L0@GOTOFF |
| EOF |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_gotoff_in_data=yes |
| fi |
| fi |
| AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA, |
| [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`], |
| [Define true if the assembler supports '.long foo@GOTOFF'.]) |
| AC_MSG_RESULT($gcc_cv_as_gotoff_in_data) |
| ;; |
| |
| ia64*-*-*) |
| AC_CACHE_CHECK([assembler supports ltoffx and ldxmov], |
| gcc_cv_as_ltoffx_ldxmov_relocs, [ |
| gcc_cv_as_ltoffx_ldxmov_relocs=unknown |
| if test x$gcc_cv_gas_major_version != x \ |
| -a x$gcc_cv_gas_minor_version != x |
| then |
| if test "$gcc_cv_gas_major_version" -eq 2 \ |
| -a "$gcc_cv_gas_minor_version" -ge 14 \ |
| -o "$gcc_cv_gas_major_version" -gt 2; then |
| gcc_cv_as_ltoffx_ldxmov_relocs=yes |
| fi |
| elif test x$gcc_cv_as != x; then |
| cat > conftest.s << 'EOF' |
| changequote(,)dnl |
| .text |
| addl r15 = @ltoffx(x#), gp |
| ;; |
| ld8.mov r16 = [r15], x# |
| EOF |
| changequote([,])dnl |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then |
| gcc_cv_as_ltoffx_ldxmov_relocs=yes |
| else |
| gcc_cv_as_ltoffx_ldxmov_relocs=no |
| fi |
| rm -f conftest.s conftest.o |
| fi |
| ]) |
| if test "x$gcc_cv_as_ltoffx_ldxmov_relocs" = xyes; then |
| AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1, |
| [Define if your assembler supports ltoffx and ldxmov relocations.]) |
| fi |
| ;; |
| esac |
| |
| AC_MSG_CHECKING(assembler dwarf2 debug_line support) |
| gcc_cv_as_dwarf2_debug_line=no |
| # ??? Not all targets support dwarf2 debug_line, even within a version |
| # of gas. Moreover, we need to emit a valid instruction to trigger any |
| # info to the output file. So, as supported targets are added to gas 2.11, |
| # add some instruction here to (also) show we expect this might work. |
| # ??? Once 2.11 is released, probably need to add first known working |
| # version to the per-target configury. |
| case "$target" in |
| i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \ |
| | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*) |
| insn="nop" |
| ;; |
| ia64*-*-*) |
| insn="nop 0" |
| ;; |
| esac |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; |
| then |
| if test "$gcc_cv_gas_major_version" -eq 2 \ |
| -a "$gcc_cv_gas_minor_version" -ge 11 \ |
| -o "$gcc_cv_gas_major_version" -gt 2 \ |
| && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ |
| && test x"$insn" != x ; then |
| gcc_cv_as_dwarf2_debug_line="yes" |
| fi |
| elif test x$gcc_cv_as != x -a x"$insn" != x ; then |
| echo ' .file 1 "conftest.s"' > conftest.s |
| echo ' .loc 1 3 0' >> conftest.s |
| echo " $insn" >> conftest.s |
| # ??? This fails with non-gnu grep. |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ |
| && grep debug_line conftest.o > /dev/null 2>&1 ; then |
| # The .debug_line file table must be in the exact order that |
| # we specified the files, since these indices are also used |
| # by DW_AT_decl_file. Approximate this test by testing if |
| # the assembler bitches if the same index is assigned twice. |
| echo ' .file 1 "foo.s"' > conftest.s |
| echo ' .file 1 "bar.s"' >> conftest.s |
| if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 |
| then |
| gcc_cv_as_dwarf2_debug_line="no" |
| else |
| gcc_cv_as_dwarf2_debug_line="yes" |
| fi |
| fi |
| rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 |
| fi |
| if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then |
| AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, |
| [Define if your assembler supports dwarf2 .file/.loc directives, |
| and preserves file table indices exactly as given.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line) |
| |
| AC_MSG_CHECKING(assembler --gdwarf2 support) |
| gcc_cv_as_gdwarf2_flag=no |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; |
| then |
| if test "$gcc_cv_gas_major_version" -eq 2 \ |
| -a "$gcc_cv_gas_minor_version" -ge 11 \ |
| -o "$gcc_cv_gas_major_version" -gt 2 \ |
| && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ |
| && test x"$insn" != x ; then |
| gcc_cv_as_gdwarf2_flag="yes" |
| fi |
| elif test x$gcc_cv_as != x -a x"$insn" != x ; then |
| echo '' > conftest.s |
| # ??? This fails with non-gnu grep. |
| if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1 |
| then |
| gcc_cv_as_gdwarf2_flag="yes" |
| fi |
| rm -f conftest.s conftest.o |
| fi |
| if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then |
| AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1, |
| [Define if your assembler supports the --gdwarf2 option.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag) |
| |
| AC_MSG_CHECKING(assembler --gstabs support) |
| gcc_cv_as_gstabs_flag=no |
| if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; |
| then |
| if test "$gcc_cv_gas_major_version" -eq 2 \ |
| -a "$gcc_cv_gas_minor_version" -ge 11 \ |
| -o "$gcc_cv_gas_major_version" -gt 2 \ |
| && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ |
| && test x"$insn" != x ; then |
| gcc_cv_as_gstabs_flag="yes" |
| fi |
| elif test x$gcc_cv_as != x -a x"$insn" != x ; then |
| echo '' > conftest.s |
| # ??? This fails with non-gnu grep. |
| if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then |
| gcc_cv_as_gstabs_flag="yes" |
| # The native Solaris 9/Intel assembler doesn't understand --gstabs |
| # and warns about it, but still exits successfully. So check for |
| # this. |
| if $gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | \ |
| grep -i warning > /dev/null ; then |
| gcc_cv_as_gstabs_flag="no" |
| fi |
| fi |
| rm -f conftest.s conftest.o |
| fi |
| if test x"$gcc_cv_as_gstabs_flag" = xyes; then |
| AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1, |
| [Define if your assembler supports the --gstabs option.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_as_gstabs_flag) |
| |
| AC_MSG_CHECKING(linker read-only and read-write section mixing) |
| gcc_cv_ld_ro_rw_mix=unknown |
| if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then |
| if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then |
| gcc_cv_ld_ro_rw_mix=read-write |
| fi |
| elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then |
| echo '.section myfoosect, "a"' > conftest1.s |
| echo '.section myfoosect, "aw"' > conftest2.s |
| echo '.byte 1' >> conftest2.s |
| echo '.section myfoosect, "a"' > conftest3.s |
| echo '.byte 0' >> conftest3.s |
| if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \ |
| && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \ |
| && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \ |
| && $gcc_cv_ld -shared -o conftest1.so conftest1.o \ |
| conftest2.o conftest3.o > /dev/null 2>&1; then |
| gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \ |
| | sed -e '/myfoosect/!d' -e N` |
| if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then |
| if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then |
| gcc_cv_ld_ro_rw_mix=read-only |
| else |
| gcc_cv_ld_ro_rw_mix=read-write |
| fi |
| fi |
| fi |
| changequote(,)dnl |
| rm -f conftest.* conftest[123].* |
| changequote([,])dnl |
| fi |
| if test x$gcc_cv_ld_ro_rw_mix = xread-write; then |
| AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1, |
| [Define if your linker links a mix of read-only |
| and read-write sections into a read-write section.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix) |
| |
| AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support) |
| gcc_cv_ld_eh_frame_hdr=no |
| if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then |
| if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then |
| gcc_cv_ld_eh_frame_hdr=yes |
| fi |
| elif test x$gcc_cv_ld != x; then |
| # Check if linker supports --eh-frame-hdr option |
| if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then |
| gcc_cv_ld_eh_frame_hdr=yes |
| fi |
| fi |
| if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then |
| AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1, |
| [Define if your linker supports --eh-frame-hdr option.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) |
| |
| AC_MSG_CHECKING(linker --as-needed support) |
| gcc_cv_ld_as_needed=no |
| if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then |
| if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then |
| gcc_cv_ld_as_needed=yes |
| fi |
| elif test x$gcc_cv_ld != x; then |
| # Check if linker supports --as-needed and --no-as-needed options |
| if $gcc_cv_ld --help 2>/dev/null | grep as-needed > /dev/null; then |
| gcc_cv_ld_as_needed=yes |
| fi |
| fi |
| if test x"$gcc_cv_ld_as_needed" = xyes; then |
| AC_DEFINE(HAVE_LD_AS_NEEDED, 1, |
| [Define if your linker supports --as-needed and --no-as-needed options.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_ld_as_needed) |
| |
| # Miscellaneous target-specific checks. |
| case "$target" in |
| mips*-*-*) |
| AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently) |
| gcc_cv_mips_libgloss_startup=no |
| gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss |
| if test "x$exec_prefix" = xNONE; then |
| if test "x$prefix" = xNONE; then |
| test_prefix=/usr/local |
| else |
| test_prefix=$prefix |
| fi |
| else |
| test_prefix=$exec_prefix |
| fi |
| for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld |
| do |
| if grep '^STARTUP' $f > /dev/null 2>&1; then |
| gcc_cv_mips_libgloss_startup=yes |
| break |
| fi |
| done |
| if test x"$gcc_cv_mips_libgloss_startup" = xyes; then |
| AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1, |
| [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.]) |
| fi |
| AC_MSG_RESULT($gcc_cv_mips_libgloss_startup) |
| ;; |
| esac |
| |
| if test x$with_sysroot = x && test x$host = x$target \ |
| && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then |
| AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include") |
| fi |
| |
| # Figure out what language subdirectories are present. |
| # Look if the user specified --enable-languages="..."; if not, use |
| # the environment variable $LANGUAGES if defined. $LANGUAGES might |
| # go away some day. |
| # NB: embedded tabs in this IF block -- do not untabify |
| if test x"${enable_languages+set}" != xset; then |
| if test x"${LANGUAGES+set}" = xset; then |
| enable_languages="${LANGUAGES}" |
| AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead]) |
| |
| else |
| enable_languages=all |
| fi |
| else |
| if test x"${enable_languages}" = x \ |
| || test x"${enable_languages}" = xyes; |
| then |
| AC_MSG_ERROR([--enable-languages needs at least one language argument]) |
| fi |
| fi |
| enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` |
| |
| # First scan to see if an enabled language requires some other language. |
| # We assume that a given config-lang.in will list all the language |
| # front ends it requires, even if some are required indirectly. |
| for lang in ${srcdir}/*/config-lang.in .. |
| do |
| case $lang in |
| ..) |
| ;; |
| # The odd quoting in the next line works around |
| # an apparent bug in bash 1.12 on linux. |
| changequote(,)dnl |
| ${srcdir}/[*]/config-lang.in) |
| ;; |
| *) |
| lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` |
| this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang` |
| for other in $this_lang_requires |
| do |
| case ,${enable_languages}, in |
| *,$other,*) |
| ;; |
| *,all,*) |
| ;; |
| *,$lang_alias,*) |
| enable_languages="$enable_languages,$other" |
| ;; |
| esac |
| done |
| ;; |
| changequote([,])dnl |
| esac |
| done |
| |
| expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'` |
| found_languages= |
| subdirs= |
| for lang in ${srcdir}/*/config-lang.in .. |
| do |
| case $lang in |
| ..) ;; |
| # The odd quoting in the next line works around |
| # an apparent bug in bash 1.12 on linux. |
| changequote(,)dnl |
| ${srcdir}/[*]/config-lang.in) ;; |
| *) |
| lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` |
| this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang` |
| build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang` |
| if test "x$lang_alias" = x |
| then |
| echo "$lang doesn't set \$language." 1>&2 |
| exit 1 |
| fi |
| case ${build_by_default},${enable_languages}, in |
| *,$lang_alias,*) add_this_lang=yes ;; |
| no,*) add_this_lang=no ;; |
| *,all,*) add_this_lang=yes ;; |
| *) add_this_lang=no ;; |
| esac |
| found_languages="${found_languages} ${lang_alias}" |
| if test x"${add_this_lang}" = xyes; then |
| case $lang in |
| ${srcdir}/ada/config-lang.in) |
| if test x$have_gnat = xyes ; then |
| subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" |
| fi |
| ;; |
| *) |
| subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" |
| ;; |
| esac |
| fi |
| ;; |
| changequote([,])dnl |
| esac |
| done |
| |
| missing_languages= |
| for expected_language in ${expected_languages} .. |
| do |
| if test "${expected_language}" != ..; then |
| missing_language="${expected_language}" |
| if test "${expected_language}" = "c" \ |
| || test "${expected_language}" = "all"; then |
| missing_language= |
| fi |
| for found_language in ${found_languages} .. |
| do |
| if test "${found_language}" != ..; then |
| if test "${expected_language}" = "${found_language}"; then |
| missing_language= |
| fi |
| fi |
| done |
| if test "x${missing_language}" != x; then |
| missing_languages="${missing_languages} ${missing_language}" |
| fi |
| fi |
| done |
| |
| if test "x$missing_languages" != x; then |
| AC_MSG_ERROR([ |
| The following requested languages were not found:${missing_languages} |
| The following languages were available: c${found_languages}]) |
| fi |
| |
| # Make gthr-default.h if we have a thread file. |
| gthread_flags= |
| if test $thread_file != single; then |
| rm -f gthr-default.h |
| echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h |
| gthread_flags=-DHAVE_GTHR_DEFAULT |
| fi |
| AC_SUBST(gthread_flags) |
| |
| # Find out what GC implementation we want, or may, use. |
| AC_ARG_WITH(gc, |
| [ --with-gc={simple,page} choose the garbage collection mechanism to use |
| with the compiler], |
| [case "$withval" in |
| simple | page) |
| GGC=ggc-$withval |
| ;; |
| *) |
| AC_MSG_ERROR([$withval is an invalid option to --with-gc]) |
| ;; |
| esac], |
| [GGC=ggc-page]) |
| AC_SUBST(GGC) |
| echo "Using $GGC for garbage collection." |
| |
| # Use the system's zlib library. |
| zlibdir=-L../zlib |
| zlibinc="-I\$(srcdir)/../zlib" |
| AC_ARG_WITH(system-zlib, |
| [ --with-system-zlib use installed libz], |
| zlibdir= |
| zlibinc= |
| ) |
| AC_SUBST(zlibdir) |
| AC_SUBST(zlibinc) |
| |
| dnl Very limited version of automake's enable-maintainer-mode |
| |
| AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) |
| dnl maintainer-mode is disabled by default |
| AC_ARG_ENABLE(maintainer-mode, |
| [ --enable-maintainer-mode |
| enable make rules and dependencies not useful |
| (and sometimes confusing) to the casual installer], |
| maintainer_mode=$enableval, |
| maintainer_mode=no) |
| |
| AC_MSG_RESULT($maintainer_mode) |
| |
| if test "$maintainer_mode" = "yes"; then |
| MAINT='' |
| else |
| MAINT='#' |
| fi |
| AC_SUBST(MAINT)dnl |
| |
| # Make empty files to contain the specs and options for each language. |
| # Then add #include lines to for a compiler that has specs and/or options. |
| |
| lang_specs_files= |
| lang_options_files= |
| lang_tree_files= |
| for subdir in . $subdirs |
| do |
| if test -f $srcdir/$subdir/lang-specs.h; then |
| lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" |
| fi |
| if test -f $srcdir/$subdir/lang-options.h; then |
| lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h" |
| fi |
| if test -f $srcdir/$subdir/$subdir-tree.def; then |
| lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" |
| fi |
| done |
| |
| # These (without "all_") are set in each config-lang.in. |
| # `language' must be a single word so is spelled singularly. |
| all_languages= |
| all_boot_languages= |
| all_compilers= |
| all_stagestuff= |
| all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders' |
| # List of language makefile fragments. |
| all_lang_makefiles= |
| # Files for gengtype |
| all_gtfiles="$target_gtfiles" |
| # Files for gengtype with language |
| all_gtfiles_files_langs= |
| all_gtfiles_files_files= |
| |
| # Add the language fragments. |
| # Languages are added via two mechanisms. Some information must be |
| # recorded in makefile variables, these are defined in config-lang.in. |
| # We accumulate them and plug them into the main Makefile. |
| # The other mechanism is a set of hooks for each of the main targets |
| # like `clean', `install', etc. |
| |
| language_fragments="Make-lang" |
| language_hooks="Make-hooks" |
| |
| for s in .. $subdirs |
| do |
| if test $s != ".." |
| then |
| language= |
| boot_language= |
| compilers= |
| stagestuff= |
| outputs= |
| gtfiles= |
| . ${srcdir}/$s/config-lang.in |
| if test "x$language" = x |
| then |
| echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 |
| exit 1 |
| fi |
| all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in" |
| if test -f ${srcdir}/$s/Makefile.in |
| then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in" |
| fi |
| all_languages="$all_languages $language" |
| if test "x$boot_language" = xyes |
| then |
| all_boot_languages="$all_boot_languages $language" |
| fi |
| all_compilers="$all_compilers $compilers" |
| all_stagestuff="$all_stagestuff $stagestuff" |
| all_outputs="$all_outputs $outputs" |
| all_gtfiles="$all_gtfiles $gtfiles" |
| for f in .. $gtfiles |
| do |
| if test $f != ".." |
| then |
| all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " |
| all_gtfiles_files_files="$all_gtfiles_files_files ${f} " |
| fi |
| done |
| fi |
| done |
| |
| # Pick up gtfiles for c |
| gtfiles= |
| s="c" |
| . ${srcdir}/c-config-lang.in |
| all_gtfiles="$all_gtfiles $gtfiles" |
| for f in .. $gtfiles |
| do |
| if test $f != ".." |
| then |
| all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " |
| all_gtfiles_files_files="$all_gtfiles_files_files ${f} " |
| fi |
| done |
| |
| check_languages= |
| for language in .. $all_languages |
| do |
| if test $language != ".." |
| then |
| check_languages="$check_languages check-$language" |
| fi |
| done |
| |
| # Since we can't use `::' targets, we link each language in |
| # with a set of hooks, reached indirectly via lang.${target}. |
| |
| rm -f Make-hooks |
| touch Make-hooks |
| target_list="all.build all.cross start.encap rest.encap \ |
| info dvi generated-manpages \ |
| install-normal install-common install-info install-man \ |
| uninstall \ |
| mostlyclean clean distclean extraclean maintainer-clean \ |
| stage1 stage2 stage3 stage4" |
| for t in $target_list |
| do |
| x= |
| for lang in .. $all_languages |
| do |
| if test $lang != ".."; then |
| x="$x $lang.$t" |
| fi |
| done |
| echo "lang.$t: $x" >> Make-hooks |
| done |
| |
| # Create .gdbinit. |
| |
| echo "dir ." > .gdbinit |
| echo "dir ${srcdir}" >> .gdbinit |
| if test x$gdb_needs_out_file_path = xyes |
| then |
| echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit |
| fi |
| if test "x$subdirs" != x; then |
| for s in $subdirs |
| do |
| echo "dir ${srcdir}/$s" >> .gdbinit |
| done |
| fi |
| echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
| |
| # Define variables host_canonical and build_canonical |
| # because some Cygnus local changes in the Makefile depend on them. |
| build_canonical=${build} |
| host_canonical=${host} |
| target_subdir= |
| if test "${host}" != "${target}" ; then |
| target_subdir=${target_alias}/ |
| fi |
| AC_SUBST(build_canonical) |
| AC_SUBST(host_canonical) |
| AC_SUBST(target_subdir) |
| |
| # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
| # absolute path for gcc_tooldir based on inserting the number of up-directory |
| # movements required to get from $(exec_prefix) to $(prefix) into the basic |
| # $(libsubdir)/@(unlibsubdir) based path. |
| # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
| # make and thus we'd get different behavior depending on where we built the |
| # sources. |
| if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
| gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)' |
| else |
| changequote(<<, >>)dnl |
| # An explanation of the sed strings: |
| # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' |
| # -e 's|/$||' match a trailing forward slash and eliminates it |
| # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) |
| # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../ |
| # |
| # (*) Note this pattern overwrites the first character of the string |
| # with a forward slash if one is not already present. This is not a |
| # problem because the exact names of the sub-directories concerned is |
| # unimportant, just the number of them matters. |
| # |
| # The practical upshot of these patterns is like this: |
| # |
| # prefix exec_prefix result |
| # ------ ----------- ------ |
| # /foo /foo/bar ../ |
| # /foo/ /foo/bar ../ |
| # /foo /foo/bar/ ../ |
| # /foo/ /foo/bar/ ../ |
| # /foo /foo/bar/ugg ../../ |
| # |
| dollar='$$' |
| gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)" |
| changequote([, ])dnl |
| fi |
| AC_SUBST(gcc_tooldir) |
| AC_SUBST(dollar) |
| |
| # Find a directory in which to install a shared libgcc. |
| |
| AC_ARG_ENABLE(version-specific-runtime-libs, |
| [ --enable-version-specific-runtime-libs |
| specify that runtime libraries should be |
| installed in a compiler-specific directory]) |
| |
| AC_ARG_WITH(slibdir, |
| [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], |
| slibdir="$with_slibdir", |
| if test "${enable_version_specific_runtime_libs+set}" = set; then |
| slibdir='$(libsubdir)' |
| elif test "$host" != "$target"; then |
| slibdir='$(build_tooldir)/lib' |
| else |
| slibdir='$(libdir)' |
| fi) |
| AC_SUBST(slibdir) |
| |
| objdir=`${PWDCMD-pwd}` |
| AC_SUBST(objdir) |
| |
| # Process the language and host/target makefile fragments. |
| ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file" |
| |
| # Substitute configuration variables |
| AC_SUBST(subdirs) |
| AC_SUBST(srcdir) |
| AC_SUBST(all_boot_languages) |
| AC_SUBST(all_compilers) |
| AC_SUBST(all_gtfiles) |
| AC_SUBST(all_gtfiles_files_langs) |
| AC_SUBST(all_gtfiles_files_files) |
| AC_SUBST(all_lang_makefiles) |
| AC_SUBST(all_languages) |
| AC_SUBST(all_stagestuff) |
| AC_SUBST(build_exeext) |
| AC_SUBST(build_install_headers_dir) |
| AC_SUBST(build_xm_file_list) |
| AC_SUBST(build_xm_file) |
| AC_SUBST(build_xm_defines) |
| AC_SUBST(check_languages) |
| AC_SUBST(cc_set_by_configure) |
| AC_SUBST(quoted_cc_set_by_configure) |
| AC_SUBST(cpp_install_dir) |
| AC_SUBST(dep_host_xmake_file) |
| AC_SUBST(dep_tmake_file) |
| AC_SUBST(extra_headers_list) |
| AC_SUBST(extra_objs) |
| AC_SUBST(extra_parts) |
| AC_SUBST(extra_passes) |
| AC_SUBST(extra_programs) |
| AC_SUBST(float_h_file) |
| AC_SUBST(gcc_config_arguments) |
| AC_SUBST(gcc_gxx_include_dir) |
| AC_SUBST(libstdcxx_incdir) |
| AC_SUBST(gcc_version) |
| AC_SUBST(gcc_version_full) |
| AC_SUBST(gcc_version_trigger) |
| AC_SUBST(host_exeext) |
| AC_SUBST(host_extra_gcc_objs) |
| AC_SUBST(host_xm_file_list) |
| AC_SUBST(host_xm_file) |
| AC_SUBST(host_xm_defines) |
| AC_SUBST(install) |
| AC_SUBST(lang_options_files) |
| AC_SUBST(lang_specs_files) |
| AC_SUBST(lang_tree_files) |
| AC_SUBST(local_prefix) |
| AC_SUBST(md_file) |
| AC_SUBST(objc_boehm_gc) |
| AC_SUBST(out_file) |
| AC_SUBST(out_object_file) |
| AC_SUBST(stage_prefix_set_by_configure) |
| AC_SUBST(quoted_stage_prefix_set_by_configure) |
| AC_SUBST(symbolic_link) |
| AC_SUBST(thread_file) |
| AC_SUBST(tm_file_list) |
| AC_SUBST(tm_file) |
| AC_SUBST(tm_defines) |
| AC_SUBST(tm_p_file_list) |
| AC_SUBST(tm_p_file) |
| AC_SUBST(xm_file) |
| AC_SUBST(xm_defines) |
| AC_SUBST(target_alias) |
| AC_SUBST(c_target_objs) |
| AC_SUBST(cxx_target_objs) |
| AC_SUBST(target_cpu_default) |
| |
| AC_SUBST_FILE(target_overrides) |
| AC_SUBST_FILE(host_overrides) |
| AC_SUBST_FILE(language_fragments) |
| AC_SUBST_FILE(language_hooks) |
| |
| # Echo that links are built |
| if test x$host = x$target |
| then |
| str1="native " |
| else |
| str1="cross-" |
| str2=" from $host" |
| fi |
| |
| if test x$host != x$build |
| then |
| str3=" on a $build system" |
| fi |
| |
| if test "x$str2" != x || test "x$str3" != x |
| then |
| str4= |
| fi |
| |
| echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2 |
| |
| if test "x$str2" != x || test "x$str3" != x |
| then |
| echo " ${str2}${str3}." 1>&2 |
| fi |
| |
| # Truncate the target if necessary |
| if test x$host_truncate_target != x; then |
| target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
| fi |
| |
| # Configure the subdirectories |
| # AC_CONFIG_SUBDIRS($subdirs) |
| |
| # Create the Makefile |
| # and configure language subdirectories |
| AC_OUTPUT($all_outputs, |
| [ |
| case x$CONFIG_HEADERS in |
| xauto-host.h:config.in) |
| echo > cstamp-h ;; |
| esac |
| # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
| # bootstrapping and the installation procedure can still use |
| # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, |
| # FLAGS_TO_PASS has been modified to solve the problem there. |
| # This is virtually a duplicate of what happens in configure.lang; we do |
| # an extra check to make sure this only happens if ln -s can be used. |
| if test "$symbolic_link" = "ln -s"; then |
| for d in .. ${subdirs} fixinc ; do |
| if test $d != ..; then |
| STARTDIR=`${PWDCMD-pwd}` |
| cd $d |
| for t in stage1 stage2 stage3 stage4 include |
| do |
| rm -f $t |
| $symbolic_link ../$t $t 2>/dev/null |
| done |
| cd $STARTDIR |
| fi |
| done |
| else true ; fi |
| # Avoid having to add intl to our include paths. |
| if test -f intl/libintl.h; then |
| echo creating libintl.h |
| echo '#include "intl/libintl.h"' >libintl.h |
| fi |
| ], |
| [subdirs='$subdirs' |
| symbolic_link='$symbolic_link' |
| ]) |