# configure.in for GCC
# Process this file with autoconf to generate a configuration script.
-# Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
+# Free Software Foundation, Inc.
#This file is part of GCC.
#Software Foundation, 59 Temple Place - Suite 330, Boston, MA
#02111-1307, USA.
-# Initialization and defaults
+# --------------------------------
+# Initialization and sanity checks
+# --------------------------------
+
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
+# Determine the host, build, and target systems
+AC_CANONICAL_SYSTEM
+
+# Determine the target- and build-specific subdirectories
+GCC_TOPLEV_SUBDIRS
+
+# Set program_transform_name
+AC_ARG_PROGRAM
# Check for bogus environment variables.
# Test if LIBRARY_PATH contains the notation for the current directory
*** and run configure again.])
fi
-# Check for additional parameters
+# -----------
+# Directories
+# -----------
+
+# 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(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=$withval
+fi])
+
+# -------------------
+# Find default linker
+# -------------------
# With GNU ld
AC_ARG_WITH(gnu-ld,
[Define to enable the use of a default linker.])
fi
+AC_MSG_CHECKING([whether a default linker was specified])
+if test x"${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 ($DEFAULT_LINKER - GNU ld)])
+ fi
+else
+ AC_MSG_RESULT(no)
+fi
+
+# ----------------------
+# Find default assembler
+# ----------------------
+
# With GNU as
AC_ARG_WITH(gnu-as,
[ --with-gnu-as arrange to work with GNU as],
[Define to enable the use of a default assembler.])
fi
-# With stabs
-AC_ARG_WITH(stabs,
-[ --with-stabs arrange to use stabs instead of host debug format],
-stabs="$with_stabs",
-stabs=no)
+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
-# With ELF
-AC_ARG_WITH(elf,
-[ --with-elf arrange to use ELF instead of host debug format],
-elf="$with_elf",
-elf=no)
+# ---------------
+# Find C compiler
+# ---------------
-# Specify the local prefix
-local_prefix=
-AC_ARG_WITH(local-prefix,
-[ --with-local-prefix=DIR specifies directory to put local include],
-[case "${withval}" in
-yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
-no) ;;
-*) local_prefix=$with_local_prefix ;;
-esac])
+# 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 $@'
+fi
+AC_SUBST(NO_MINUS_C_MINUS_O)
+AC_SUBST(OUTPUT_OPTION)
-# Default local prefix if it is empty
-if test x$local_prefix = x; then
- local_prefix=/usr/local
+# -------------------------
+# Check C compiler features
+# -------------------------
+
+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"])
+
+AC_PROG_CPP
+AC_C_INLINE
+
+gcc_AC_C_LONG_LONG
+gcc_AC_C__BOOL
+
+# sizeof(char) is 1 by definition.
+AC_COMPILE_CHECK_SIZEOF(short)
+AC_COMPILE_CHECK_SIZEOF(int)
+AC_COMPILE_CHECK_SIZEOF(long)
+if test $ac_cv_c_long_long = yes; then
+ AC_COMPILE_CHECK_SIZEOF(long long)
+fi
+if test $ac_cv_c___int64 = yes; then
+ AC_COMPILE_CHECK_SIZEOF(__int64)
fi
-# Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
-# passed in by the toplevel make and thus we'd get different behavior
-# depending on where we built the sources.
-gcc_gxx_include_dir=
-# Specify the g++ header file directory
-AC_ARG_WITH(gxx-include-dir,
-[ --with-gxx-include-dir=DIR
- specifies directory to put g++ header files],
-[case "${withval}" in
-yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
-no) ;;
-*) gcc_gxx_include_dir=$with_gxx_include_dir ;;
-esac])
+# -----------------
+# Find Ada compiler
+# -----------------
-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
+# See if GNAT has been installed
+gcc_AC_PROG_GNAT
+
+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
-# 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)
+# ---------------------
+# Warnings and checking
+# ---------------------
+
+strict1_warn=
+if test $ac_cv_prog_cc_no_long_long = yes && \
+ test $ac_cv_prog_adac_no_long_long = yes ; then
+ strict1_warn="-pedantic -Wno-long-long"
+fi
+AC_SUBST(strict1_warn)
+
+# If the native compiler is GCC, we can enable warnings even in stage1.
+# That's useful for people building cross-compilers, or just running a
+# quick `make'.
+warn_cflags=
+if test "x$GCC" = "xyes"; then
+ warn_cflags='$(GCC_WARN_CFLAGS)'
+fi
+AC_SUBST(warn_cflags)
+
+# Enable -Werror in bootstrap stage2 and later.
+# Change the default to "no" on release branches.
+AC_ARG_ENABLE(werror,
+[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
+[enable_werror=yes])
+if test x$enable_werror = xyes ; then
+ WERROR=-Werror
+fi
+AC_SUBST(WERROR)
# Enable expensive internal checks
AC_ARG_ENABLE(checking,
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 $check) ;;
esac
done
],
# Enable some checks by default for development versions of GCC
[ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
+nocommon_flag=""
if test x$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$ac_tree_checking != x ; then
AC_DEFINE(ENABLE_TREE_CHECKING, 1,
[Define if you want all operations on trees (the basic data
paranoid mode, validating the entire heap and collecting garbage at
every opportunity. This is extremely expensive.])
fi
+valgrind_path_defines=
+valgrind_command=
+if test x$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_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
+ AC_TRY_CPP(
+ [#include <memcheck.h>
+#ifndef VALGRIND_DISCARD
+#error VALGRIND_DISCARD not defined
+#endif],
+ [gcc_cv_header_memcheck_h=yes],
+ gcc_cv_header_memcheck_h=no)
+ AC_MSG_RESULT($gcc_cv_header_memcheck_h)
+ AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
+ AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
+ [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
+ if test "x$valgrind_path" = "x" || (test $have_valgrind_h = no && test $gcc_cv_header_memcheck_h = no); then
+ AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h/memcheck.h])
+ fi
+ valgrind_path_defines=-DVALGRIND_PATH='\"'$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.])
+ if test $gcc_cv_header_memcheck_h = yes; then
+ AC_DEFINE(HAVE_MEMCHECK_H, 1,
+ [Define if valgrind's memcheck.h header is installed.])
+ fi
+fi
+AC_SUBST(valgrind_path_defines)
+AC_SUBST(valgrind_command)
+
+# Enable code coverage collection
+AC_ARG_ENABLE(coverage,
+[ --enable-coverage[=LEVEL]
+ enable compiler\'s code coverage collection.
+ Use to measure compiler performance and locate
+ unused parts of the compiler. With LEVEL, specify
+ optimization. Values are opt, noopt,
+ default is noopt],
+[case "${enableval}" in
+yes|noopt)
+ coverage_flags="-fprofile-arcs -ftest-coverage -O0 -DSELF_COVERAGE=1"
+ ;;
+opt)
+ coverage_flags="-fprofile-arcs -ftest-coverage -O2 -DSELF_COVERAGE=2"
+ ;;
+*)
+ 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])
+# -------------------------------
+# Miscenalleous configure options
+# -------------------------------
+
+# 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)
+
+# 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 __cxa_atexit for C++.
AC_ARG_ENABLE(__cxa_atexit,
[ --enable-__cxa_atexit enable __cxa_atexit for C++],
[], [])
-if test x$enable___cxa_atexit = xyes; then
- AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
- [Define if you want to use __cxa_atexit, rather than atexit, to
- register C++ destructors for local statics and global objects.
- This is essential for fully standards-compliant handling of
- destructors, but requires __cxa_atexit in libc.])
-fi
-
+
# Enable Multibyte Characters for C/C++
AC_ARG_ENABLE(c-mbchar,
[ --enable-c-mbchar enable multibyte characters for C and C++],
target_thread_file=''
;;
xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
- xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
+ xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix | xgnat)
target_thread_file=$enable_threads_flag
;;
*)
], [enable_shared=yes])
AC_SUBST(enable_shared)
-# 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)
-
-# Stage specific cflags for build.
-stage1_cflags=
-case $build in
-vax-*-*)
- if test x$GCC = xyes
- then
- stage1_cflags="-Wa,-J"
+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$prefix" = xNONE; then
+ test_prefix=/usr/local
else
- stage1_cflags="-J"
+ test_prefix=$prefix
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
+ 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)
-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
+# -------------------------
+# Checks for other programs
+# -------------------------
-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
+AC_PROG_MAKE_SET
# Find some useful tools
AC_PROG_AWK
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/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)
# that we can use it.
gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
[GNU texinfo.* \([0-9][0-9.]*\)],
- [4.[1-9]*])
+ [4.[2-9]*])
fi
if test $gcc_cv_prog_makeinfo_modern = no; then
GENERATED_MANPAGES=
fi
+# 'make compare' can be significantly faster, if cmp itself can
+# skip bytes instead of using tail. The test being performed is
+# "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2"
+# but we need to sink errors and handle broken shells.
+AC_MSG_CHECKING([for cmp's capabilities])
+echo abfoo >t1
+echo cdfoo >t2
+if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
+ if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
+ make_compare_target=slowcompare
+ else
+ make_compare_target=gnucompare
+ fi
+else
+ make_compare_target=slowcompare
+fi
+rm t1 t2
+AC_SUBST(make_compare_target)
+AC_MSG_RESULT($make_compare_target)
+
# 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, false)
+ AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex)
fi
# Bison?
if test -f $srcdir/../bison/bison.simple; then
BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/'
else
- AC_CHECK_PROG(BISON, bison, bison, false)
+ AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison)
+fi
+
+# --------------------
+# Checks for C headers
+# --------------------
+
+AC_MSG_CHECKING(for GNU C library)
+AC_CACHE_VAL(gcc_cv_glibc,
+[AC_TRY_COMPILE(
+ [#include <features.h>],[
+#if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
+#error Not a GNU C library system
+#endif],
+ [gcc_cv_glibc=yes],
+ gcc_cv_glibc=no)])
+AC_MSG_RESULT($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
+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 ldfcn.h wchar.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
+AC_C_BIGENDIAN_CROSS
+
+# --------
+# UNSORTED
+# --------
+
+# 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)
+
# 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,
LIBS="$save_LIBS"
AC_SUBST(GNAT_LIBEXC)
-# See if the stage1 system preprocessor understands the ANSI C
-# preprocessor stringification operator. (Used by symcat.h.)
-AC_C_STRINGIZE
+# Some systems put ldexp and frexp in libm instead of libc; assume
+# they're both in the same place. jcf-dump needs them.
+save_LIBS="$LIBS"
+LIBS=
+AC_SEARCH_LIBS(ldexp, m)
+LDEXP_LIB="$LIBS"
+LIBS="$save_LIBS"
+AC_SUBST(LDEXP_LIB)
# Use <inttypes.h> only if it exists,
# doesn't clash with <sys/types.h>, and declares intmax_t.
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)
+ scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore)
+
+if test x$ac_cv_func_mbstowcs = xyes; then
+ AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
+[ AC_TRY_RUN([#include <stdlib.h>
+int main()
+{
+ mbstowcs(0, "", 0);
+ return 0;
+}],
+ gcc_cv_func_mbstowcs_works=yes,
+ gcc_cv_func_mbstowcs_works=no,
+ gcc_cv_func_mbstowcs_works=yes)])
+ if test x$gcc_cv_func_mbstowcs_works = xyes; then
+ AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
+ [Define this macro if mbstowcs does not crash when its
+ first argument is NULL.])
+ fi
+fi
AC_CHECK_TYPE(ssize_t, int)
AC_SUBST(TARGET_GETGROUPS_T)
gcc_AC_FUNC_PRINTF_PTR
+gcc_AC_FUNC_MMAP_BLACKLIST
case "${host}" in
*-*-uwin*)
;;
esac
AC_FUNC_VFORK
-AC_FUNC_MMAP_ANYWHERE
-AC_FUNC_MMAP_FILE
AM_ICONV
CFLAGS="$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 \
+ fprintf_unlocked strstr errno vasprintf \
malloc realloc calloc free basename getopt clock, , ,[
#include "ansidecl.h"
#include "system.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(ldgetname, , ,[
+#include "ansidecl.h"
+#include "system.h"
+#ifdef HAVE_LDFCN_H
+#include <ldfcn.h>
+#endif
+])
+
gcc_AC_CHECK_DECLS(times, , ,[
#include "ansidecl.h"
#include "system.h"
[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 $ac_cv_type_uchar = yes; then
+ AC_DEFINE(HAVE_UCHAR, 1,
+ [Define if <sys/types.h> defines \`uchar'.])
+fi
+
# Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
CFLAGS="$saved_CFLAGS"
+gcc_AC_INITFINI_ARRAY
+
# mkdir takes a single argument on some systems.
gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
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
+
+# --------------------------------------------------------
+# Build, host, and target specific configuration fragments
+# --------------------------------------------------------
+
target_gtfiles=
build_xm_file=
build_xm_defines=
host_xm_file=
host_xm_defines=
host_xmake_file=
-host_truncate_target=
host_exeext=
# Decode the host machine, then the target machine.
then tm_file="$tm_file tm-dwarf2.h"
fi
-if test x$float_format = x
-then float_format=i64
-fi
-
-if test $float_format = none
-then float_h_file=Makefile.in
-else float_h_file=float-$float_format.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."
done
fi
+if test x$need_64bit_hwint = xyes; then
+ AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
+[Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
+fi
+
count=a
for f in $host_xm_file; do
count=${count}x
echo " $srcdir/config/$f"
done
fi
+echo "Using ${out_host_hook_obj} for host machine hooks."
if test "$host_xm_file" != "$build_xm_file"; then
count=a
fi
fi
+if test x$enable___cxa_atexit = xyes || \
+ test x$enable___cxa_atexit = x -a x$default_use_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
+
# 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}
# 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
+# If host=build, it is correct to have bconfig 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
cd ..
rm -rf $tempdir
build_auto=auto-build.h
- FORBUILD=../$build
+ FORBUILD=../${build_subdir}
fi
AC_SUBST(FORBUILD)
tm_file="${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} ${tm_file}"
+tm_p_file="${tm_p_file} tm-preds.h"
+host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
+build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
+# We don't want ansidecl.h in target files, write code there in ISO/GNU C.
+# put this back in temporarily.
+xm_file="ansidecl.h ${xm_file}"
-# Truncate the target if necessary
-if test x$host_truncate_target != x; then
- target=`echo $target | sed -e 's/\(..............\).*/\1/'`
-fi
+# --------
+# UNSORTED
+# --------
# Get the version trigger filename from the toplevel
if test "${with_gcc_version_trigger+set}" = set; then
/* Generated automatically. */
static const char configuration_arguments[] = "$gcc_config_arguments";
static const char thread_model[] = "$thread_file";
+
+static const struct {
+ const char *name, *value;
+} configure_default_options[] = $configure_default_options;
EOF
changequote([,])dnl
fi
done
+symbolic_link='ln -s'
+
# If the host doesn't support symlinks, modify CC in
# FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
# Otherwise, we can use "CC=$(CC)".
tm_p_file_list=
for f in $tm_p_file; do
- tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
+ case $f in
+ tm-preds.h )
+ tm_p_file_list="${tm_p_file_list} $f" ;;
+ *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
+ esac
done
host_xm_file_list=
| powerpc*-*-*,powerpc64*-*-*)
CROSS="$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='$(CROSS_SYSTEM_HEADER_DIR)'
fi
# If this is a cross-compiler that does not
# have its own set of headers then define
# inhibit_libc
-# If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS.
+# If this is using newlib, without having the headers available now,
+# then define inhibit_libc in LIBGCC2_CFLAGS.
# This prevents libgcc2 from containing any code which requires libc
# support.
inhibit_libc=
-if [test x$host != x$target] && [test x$with_headers = x]; then
+if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
+ test x$with_newlib = xyes ; } &&
+ test "x$with_headers" = x ; then
inhibit_libc=-Dinhibit_libc
-else
- if [test x$with_newlib = xyes]; then
- inhibit_libc=-Dinhibit_libc
- fi
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)
+CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD)
+BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
then
BUILD_PREFIX=build-
BUILD_PREFIX_1=build-
- HOST_CC='$(CC_FOR_BUILD)'
- HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
+ BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)'
- STMP_FIXINC=
- STMP_FIXPROTO=
+ if test "x$TARGET_SYSTEM_ROOT" = x; then
+ STMP_FIXINC=
+ STMP_FIXPROTO=
+ fi
fi
# Expand extra_headers to include complete path.
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
+case $use_collect2 in
+ no) use_collect2= ;;
+ "") ;;
+ *)
+ host_xm_defines="${host_xm_defines} USE_COLLECT2"
+ xm_defines="${xm_defines} USE_COLLECT2"
+ ;;
+esac
-# Figure out what assembler we will be using.
+# Identify the assembler which will work hand-in-glove with the newly
+# built GCC, so that we can examine its features. This is the assembler
+# which will be driven by the driver program.
+#
+# If build != host, and we aren't building gas in-tree, we identify a
+# build->target assembler and hope that it will have the same features
+# as the host->target assembler we'll be using.
AC_MSG_CHECKING(what assembler to use)
+in_tree_gas=no
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 "$AS"; then
elif test -x as$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
+elif test -f $gcc_cv_as_gas_srcdir/configure.in \
+ && test -f ../gas/Makefile; then
+ # Single tree build which includes gas.
+ in_tree_gas=yes
+ _gcc_COMPUTE_GAS_VERSION
+ rm -f as$host_exeext
+ $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null
+ in_tree_gas_is_elf=no
+ if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
+ || (grep 'obj_format = multi' ../gas/Makefile \
+ && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null
+ then
+ in_tree_gas_is_elf=yes
+ fi
fi
if test "x$gcc_cv_as" = x; then
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
+case $in_tree_gas in
+ yes)
+ AC_MSG_RESULT("newly built gas")
+ ;;
+ no)
+ AC_MSG_RESULT($gcc_cv_as)
+ ;;
+esac
-# Figure out what linker we will be using.
+# Identify the linker which will work hand-in-glove with the newly
+# built GCC, so that we can examine its features. This is the linker
+# which will be driven by the driver program.
+#
+# If build != host, and we aren't building gas in-tree, we identify a
+# build->target linker and hope that it will have the same features
+# as the host->target linker we'll be using.
AC_MSG_CHECKING(what linker to use)
+in_tree_ld=no
gcc_cv_ld=
gcc_cv_gld_major_version=
gcc_cv_gld_minor_version=
gcc_cv_ld="$DEFAULT_LINKER"
elif test -x "$LD"; then
gcc_cv_ld="$LD"
-elif test -x ld$host_exeext; then
+elif test -x collect-ld$host_exeext; then
# Build using linker in the current directory.
- gcc_cv_ld=./ld$host_exeext
-elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then
+ gcc_cv_ld=./collect-ld$host_exeext
+elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
+ && test -f ../ld/Makefile; then
# Single tree build which includes ld.
+ in_tree_ld=yes
+ in_tree_ld_is_elf=no
+ if (grep 'EMUL = .*elf' ../ld/Makefile \
+ || grep 'EMUL = .*linux' ../ld/Makefile) > /dev/null; then
+ in_tree_ld_is_elf=yes
+ fi
for f in $gcc_cv_ld_bfd_srcdir/configure $gcc_cv_ld_gld_srcdir/configure $gcc_cv_ld_gld_srcdir/configure.in $gcc_cv_ld_gld_srcdir/Makefile.in
do
changequote(,)dnl
gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
changequote([,])dnl
+ rm -f collect-ld$host_exeext
+ $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
+ 2>/dev/null
fi
if test "x$gcc_cv_ld" = x; then
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
+case $in_tree_ld in
+ yes)
+ AC_MSG_RESULT("newly built ld")
+ ;;
+ no)
+ AC_MSG_RESULT($gcc_cv_ld)
+ ;;
+esac
# Figure out what nm we will be using.
+gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
AC_MSG_CHECKING(what nm to use)
+in_tree_nm=no
if test -x nm$host_exeext; then
gcc_cv_nm=./nm$host_exeext
+elif test -f $gcc_cv_binutils_srcdir/configure.in \
+ && test -f ../binutils/Makefile; then
+ # Single tree build which includes binutils.
+ in_tree_nm=yes
+ gcc_cv_nm=./nm$host_exeext
+ rm -f nm$host_exeext
+ $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null
elif test "x$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)
+case $in_tree_nm in
+ yes) AC_MSG_RESULT("newly built nm") ;;
+ no) AC_MSG_RESULT($gcc_cv_nm) ;;
+esac
# Figure out what objdump we will be using.
AC_MSG_CHECKING(what objdump to use)
+in_tree_objdump=no
if test -x objdump$host_exeext; then
gcc_cv_objdump=./objdump$host_exeext
+elif test -f $gcc_cv_binutils_srcdir/configure.in \
+ && test -f ../binutils/Makefile; then
+ # Single tree build which includes binutils.
+ in_tree_objdump=yes
+ gcc_cv_objdump=./objdump$host_exeext
+ rm -f objdump$host_exeext
+ $symbolic_link ../binutils/objdump$host_exeext \
+ objdump$host_exeext 2>/dev/null
elif test "x$program_prefix" != xNONE; then
gcc_cv_objdump=${program_prefix}objdump$host_exeext
else
- gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext
+ gcc_cv_objdump=`echo objdump | \
+ sed ${program_transform_name}`$host_exeext
fi
-AC_MSG_RESULT($gcc_cv_objdump)
+case $in_tree_objdump in
+ yes) AC_MSG_RESULT("newly built objdump") ;;
+ no) AC_MSG_RESULT($gcc_cv_objdump) ;;
+esac
# 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
+if test $in_tree_gas = yes; then
+ # Gas version 2.6 and later support for .balign and .p2align.
+ gcc_GAS_VERSION_GTE_IFELSE(2,6,0,[
+ gcc_cv_as_alignment_features=".balign and .p2align"
+ AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
+ ])
+ # Gas version 2.8 and later support specifying the maximum
+ # bytes to skip when using .p2align.
+ gcc_GAS_VERSION_GTE_IFELSE(2,8,0,[
+ gcc_cv_as_alignment_features=".p2align including maximum skip"
+ AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
+ ])
elif test x$gcc_cv_as != x; then
# Check if we have .balign and .p2align
echo ".balign 4" > conftest.s
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
+if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,9,0,[
+ test $in_tree_gas_is_elf = yes \
+ && gcc_cv_as_subsections="working .subsection -1"
+ ])
elif test x$gcc_cv_as != x; then
# Check if we have .subsection
echo ".subsection 1" > conftest.s
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
+if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,2,0,[
gcc_cv_as_weak="yes"
- fi
+ ])
elif test x$gcc_cv_as != x; then
# Check if we have .weak
echo " .weak foobar" > conftest.s
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
+if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,12,1,[
+ test $in_tree_gas_is_elf = yes && gcc_cv_as_hidden="yes"
+ ])
elif test x$gcc_cv_as != x; then
# Check if we have .hidden
echo " .hidden foobar" > conftest.s
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]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\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'`
+ ld_vers=`echo $ld_ver | sed -n \
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
+ -e '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 "$ld_date"; then
# If there was date string, but was earlier than 2002-04-04, fail
changequote([,])dnl
fi
fi
-if test x"$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
case "$target" in
- mips-sgi-irix6*o32)
+ mips-sgi-irix6*)
if test x"$gnu_ld_flag" = x"no"; then
# Even if using gas with .hidden support, the resulting object files
- # cannot be linked with the IRIX 6 O32 linker.
- libgcc_visibility=no
+ # cannot be linked with the IRIX 6 O32 linker. With the N32 and
+ # N64 linkers, the problem is that the linker refuses to accept
+ # -call_shared (passed by default to the linker) and -r (used to
+ # link the object file generated without .hidden directives with
+ # one that hides symbols), so we also lose.
+ gcc_cv_as_hidden=no
fi
;;
esac
+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
+if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
+ test $in_tree_gas_is_elf = yes && gcc_cv_as_leb128="yes"
+ ])
elif test x$gcc_cv_as != x; then
# Check if we have .[us]leb128, and support symbol arithmetic with it.
cat > conftest.s <<EOF
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
+if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
+ test $in_tree_gas_is_elf = yes && gcc_cv_as_eh_frame="yes"
+ ])
elif test x$gcc_cv_as != x; then
# Check if this is GAS.
as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
AC_MSG_CHECKING(assembler section merging support)
gcc_cv_as_shf_merge=no
-if test x$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
+if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
+ test $in_tree_gas_is_elf = yes && gcc_cv_as_shf_merge="yes"
+ ])
elif test x$gcc_cv_as != x; then
# Check if we support SHF_MERGE sections
echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
conftest_s=
tls_first_major=
tls_first_minor=
+tls_as_opt=
case "$target" in
changequote(,)dnl
alpha*-*-*)
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=13
+ 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='
tls_first_major=2
tls_first_minor=13
;;
+ powerpc-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+ .align 2
+ld0: .space 4
+ld1: .space 4
+x1: .space 4
+x2: .space 4
+x3: .space 4
+ .text
+ addi 3,31,ld0@got@tlsgd
+ bl __tls_get_addr
+ addi 3,31,x1@got@tlsld
+ bl __tls_get_addr
+ addi 9,3,x1@dtprel
+ addis 9,3,x2@dtprel@ha
+ addi 9,9,x2@dtprel@l
+ lwz 9,x3@got@tprel(31)
+ add 9,9,x@tls
+ addi 9,2,x1@tprel
+ addis 9,2,x2@tprel@ha
+ addi 9,9,x2@tprel@l'
+ tls_first_major=2
+ tls_first_minor=14
+ tls_as_opt=-a32
+ ;;
+ powerpc64-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+ .align 3
+ld0: .space 8
+ld1: .space 8
+x1: .space 8
+x2: .space 8
+x3: .space 8
+ .text
+ addi 3,2,ld0@got@tlsgd
+ bl .__tls_get_addr
+ nop
+ addi 3,2,ld1@toc
+ bl .__tls_get_addr
+ nop
+ addi 3,2,x1@got@tlsld
+ bl .__tls_get_addr
+ nop
+ addi 9,3,x1@dtprel
+ bl .__tls_get_addr
+ nop
+ addis 9,3,x2@dtprel@ha
+ addi 9,9,x2@dtprel@l
+ bl .__tls_get_addr
+ nop
+ ld 9,x3@got@dtprel(2)
+ add 9,9,3
+ bl .__tls_get_addr
+ nop'
+ tls_first_major=2
+ tls_first_minor=14
+ tls_as_opt=-a64
+ ;;
+ 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
+ tls_as_opt=-m31
+ ;;
+ 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
+ tls_as_opt="-m64 -Aesame"
+ ;;
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
+elif test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE($tls_first_major,$tls_first_minor,0,[
gcc_cv_as_tls=yes
- fi
+ ])
elif test x$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
+ if $gcc_cv_as $tls_as_opt --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
then
gcc_cv_as_tls=yes
fi
AC_CACHE_CHECK([assembler supports explicit relocations],
gcc_cv_as_explicit_relocs, [
gcc_cv_as_explicit_relocs=unknown
- if test x$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
+ if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
gcc_cv_as_explicit_relocs=yes
- fi
+ ])
elif test x$gcc_cv_as != x; then
cat > conftest.s << 'EOF'
.set nomacro
[Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
fi
- if test "x$gcc_cv_as_flags64" != xno; then
- AC_CACHE_CHECK([for assembler offsetable %lo() support],
- gcc_cv_as_offsetable_lo10, [
- gcc_cv_as_offsetable_lo10=unknown
- if test "x$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 $gcc_cv_as_flags64 -o conftest.o conftest.s \
- > /dev/null 2>&1 &&
- $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \
- > /dev/null 2>&1; then
- if cmp conftest.o conftest1.o > /dev/null 2>&1; then
- gcc_cv_as_offsetable_lo10=no
- else
- gcc_cv_as_offsetable_lo10=yes
- fi
- else
+ AC_CACHE_CHECK([for assembler offsetable %lo() support],
+ gcc_cv_as_offsetable_lo10, [
+ gcc_cv_as_offsetable_lo10=unknown
+ if test "x$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 &&
+ $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
+ > /dev/null 2>&1; then
+ if cmp conftest.o conftest1.o > /dev/null 2>&1; then
gcc_cv_as_offsetable_lo10=no
+ else
+ gcc_cv_as_offsetable_lo10=yes
fi
- rm -f conftest.s conftest.o conftest1.s conftest1.o
+ else
+ gcc_cv_as_offsetable_lo10=no
fi
- ])
- if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
- AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
- [Define if your assembler supports offsetable %lo().])
+ rm -f conftest.s conftest.o conftest1.s conftest1.o
fi
+ ])
+ if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
+ AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
+ [Define if your assembler supports offsetable %lo().])
fi
;;
changequote([,])dnl
AC_MSG_CHECKING(assembler instructions)
gcc_cv_as_instructions=
- if test x$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
+ if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,9,0,[
gcc_cv_as_instructions="filds fists"
- fi
+ ])
elif test x$gcc_cv_as != x; then
set "filds fists" "filds mem; fists mem"
while test $# -gt 0
AC_MSG_CHECKING(assembler GOTOFF in data directives)
gcc_cv_as_gotoff_in_data=no
- if test x$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
+ if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
gcc_cv_as_gotoff_in_data=yes
- fi
+ ])
elif test x$gcc_cv_as != x; then
cat > conftest.s <<EOF
.text
[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 $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,14,0,[
+ gcc_cv_as_ltoffx_ldxmov_relocs=yes
+ ])
+ elif test x$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)
# ??? Once 2.11 is released, probably need to add first known working
# version to the per-target configury.
case "$target" in
- i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-* | hppa*-*-*)
+ i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
+ | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
+ | xstormy16*-*-* | cris-*-*)
insn="nop"
;;
ia64*-*-*)
insn="nop 0"
;;
+ mmix-*-*)
+ insn="swym 0"
+ ;;
esac
-if test x$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
+if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
+ test $in_tree_gas_is_elf = yes && test x"$insn" != x \
+ && gcc_cv_as_dwarf2_debug_line="yes"
+ ])
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
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
+if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
+ test $in_tree_gas_is_elf = yes && test x"$insn" != x \
+ && gcc_cv_as_gdwarf2_flag="yes"
+ ])
elif test x$gcc_cv_as != x -a x"$insn" != x ; then
echo '' > conftest.s
# ??? This fails with non-gnu grep.
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
+if test $in_tree_gas = yes ; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
+ test $in_tree_gas_is_elf = yes && test x"$insn" != x \
+ && gcc_cv_as_gstabs_flag="yes"
+ ])
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 $gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | \
+ grep -i warning > /dev/null ; then
+ gcc_cv_as_gstabs_flag="no"
+ fi
fi
rm -f conftest.s conftest.o
fi
fi
AC_MSG_RESULT($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 $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes; then
+ gcc_cv_ld_ro_rw_mix=read-write
+ fi
+elif test x$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
+if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes; then
gcc_cv_ld_eh_frame_hdr=yes
fi
elif test x$gcc_cv_ld != x; then
fi
AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
-if test "$prefix" != "/usr" && test "$prefix" != "/usr/local" ; then
+AC_MSG_CHECKING(linker position independent executable support)
+gcc_cv_ld_pie=no
+if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes; then
+ gcc_cv_ld_pie=yes
+ fi
+elif test x$gcc_cv_ld != x; then
+ # Check if linker supports -pie option
+ if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
+ gcc_cv_ld_pie=yes
+ fi
+fi
+if test x"$gcc_cv_ld_pie" = xyes; then
+ AC_DEFINE(HAVE_LD_PIE, 1,
+[Define if your linker supports -pie option.])
+fi
+AC_MSG_RESULT($gcc_cv_ld_pie)
+
+# Miscellaneous target-specific checks.
+case "$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($gcc_cv_mips_libgloss_startup)
+
+ AC_MSG_CHECKING(whether the assembler has explicit relocation support)
+ if test x$gcc_cv_mips_explicit_relocs = x; then
+ gcc_cv_mips_explicit_relocs=no
+ if test $in_tree_gas = yes; then
+ gcc_GAS_VERSION_GTE_IFELSE(2,14,0,[
+ gcc_cv_mips_explicit_relocs=yes
+ ])
+ elif test x$gcc_cv_as != x; then
+ echo ' lw $4,%gp_rel(foo)($4)' > conftest.s
+ if $gcc_cv_as conftest.s -o conftest.o > /dev/null 2>&1; then
+ gcc_cv_mips_explicit_relocs=yes
+ fi
+ rm -f conftest.s conftest.o
+ fi
+ fi
+ if test $gcc_cv_mips_explicit_relocs = yes; then
+ test x$target_cpu_default != x || target_cpu_default=0
+ target_cpu_default="(${target_cpu_default}|MASK_EXPLICIT_RELOCS)"
+ fi
+ AC_MSG_RESULT($gcc_cv_mips_explicit_relocs)
+ ;;
+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
fi
AC_SUBST(MAINT)dnl
-# 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, $sjlj,
- [Define 0/1 to force the choice for exception handling model.])])
-
-# Use libunwind based exception handling.
-AC_ARG_ENABLE(libunwind-exceptions,
-[ --enable-libunwind-exceptions force use libunwind for exceptions],
-use_libunwind_exceptions=$enableval,
-use_libunwind_exceptions=no)
-if test x"$use_libunwind_exceptions" = xyes; then
- AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
- [Define if gcc should use -lunwind.])
-fi
-
# 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_opt_files=
lang_specs_files=
lang_options_files=
lang_tree_files=
for subdir in . $subdirs
do
+ if test -f $srcdir/$subdir/lang.opt; then
+ lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
+ fi
if test -f $srcdir/$subdir/lang-specs.h; then
lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
fi
rm -f Make-hooks
touch Make-hooks
-target_list="all.build all.cross start.encap rest.encap \
+target_list="all.build all.cross start.encap rest.encap tags \
info dvi generated-manpages \
install-normal install-common install-info install-man \
uninstall \
mostlyclean clean distclean extraclean maintainer-clean \
- stage1 stage2 stage3 stage4"
+ stage1 stage2 stage3 stage4 stageprofile stagefeedback"
for t in $target_list
do
x=
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 $(prefix) into the basic
fi)
AC_SUBST(slibdir)
-# Nothing to do for FLOAT_H, float_format already handled.
objdir=`${PWDCMD-pwd}`
AC_SUBST(objdir)
AC_SUBST(host_xm_file_list)
AC_SUBST(host_xm_file)
AC_SUBST(host_xm_defines)
+AC_SUBST(out_host_hook_obj)
AC_SUBST(install)
+AC_SUBST(lang_opt_files)
AC_SUBST(lang_options_files)
AC_SUBST(lang_specs_files)
AC_SUBST(lang_tree_files)
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)
if test $d != ..; then
STARTDIR=`${PWDCMD-pwd}`
cd $d
- for t in stage1 stage2 stage3 stage4 include
+ for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
do
rm -f $t
$symbolic_link ../$t $t 2>/dev/null
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