-# configure.in for GCC
+# configure.ac for GCC
# Process this file with autoconf to generate a configuration script.
-# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
+# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
# Free Software Foundation, Inc.
#This file is part of GCC.
# Initialization and sanity checks
# --------------------------------
-AC_PREREQ(2.57)
-AC_INIT(tree.c)
+AC_PREREQ(2.59)
+AC_INIT
+AC_CONFIG_SRCDIR(tree.c)
AC_CONFIG_HEADER(auto-host.h:config.in)
# Determine the host, build, and target systems
-AC_CANONICAL_SYSTEM
+AC_CANONICAL_BUILD
+AC_CANONICAL_HOST
+AC_CANONICAL_TARGET
# Determine the noncanonical target name, for directory use.
_GCC_TOPLEV_NONCANONICAL_TARGET
# sources. Therefore we have --enable-generated-files-in-srcdir to do
# just that.
-AC_ARG_ENABLE(generated-files-in-srcdir,
-[ --enable-generated-files-in-srcdir Put generated files in source dir],
-[case ${enableval} in
- no) parsedir='$(objdir)'; docobjdir='$(objdir)/doc';;
- *) parsedir='$(srcdir)'; docobjdir='$(srcdir)/doc';;
-esac],
-[parsedir='$(objdir)'; docobjdir='$(objdir)/doc';])
+AC_MSG_CHECKING([whether to place generated files in the source directory])
+ dnl generated-files-in-srcdir is disabled by default
+ AC_ARG_ENABLE(generated-files-in-srcdir,
+[ --enable-generated-files-in-srcdir
+ put copies of generated files in source dir
+ intended for creating source tarballs for users
+ without texinfo bison or flex.],
+ generated_files_in_srcdir=$enableval,
+ generated_files_in_srcdir=no)
+
+AC_MSG_RESULT($generated_files_in_srcdir)
+
+if test "$generated_files_in_srcdir" = "yes"; then
+ GENINSRC=''
+else
+ GENINSRC='#'
+fi
+AC_SUBST(GENINSRC)
# -------------------
# Find default linker
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])
+ AC_MSG_ERROR([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
gnu_ld_flag=yes
fi
AC_MSG_RESULT(no)
fi
+# With demangler in GNU ld
+AC_ARG_WITH(demangler-in-ld,
+[ --with-demangler-in-ld try to use demangler in GNU ld.],
+demangler_in_ld="$with_demangler_in_ld",
+demangler_in_ld=no)
+
# ----------------------
# Find default assembler
# ----------------------
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])
+ AC_MSG_ERROR([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
# Find C compiler
# ---------------
+# If a non-executable a.out is present (e.g. created by GNU as above even if
+# invoked with -v only), the IRIX 6 native ld just overwrites the existing
+# file, even when creating an executable, so an execution test fails.
+# Remove possible default executable files to avoid this.
+#
+# FIXME: This really belongs into AC_PROG_CC and can be removed once
+# Autoconf includes it.
+rm -f a.out a.exe b.out
+
# Find the native compiler
AC_PROG_CC
AC_PROG_CC_C_O
# 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(void *)
AC_COMPILE_CHECK_SIZEOF(__int64)
fi
-# -----------------
-# Find Ada compiler
-# -----------------
-
-# See if GNAT has been installed
-gcc_AC_PROG_GNAT
-
# ---------------------
# Warnings and checking
# ---------------------
+# Check $CC warning features (if it's GCC).
+# We want to use -pedantic, but we don't want warnings about
+# * 'long long'
+# * variadic macros
+# So, we only use -pedantic if we can disable those warnings.
+
+AC_CACHE_CHECK(
+ [whether ${CC} accepts -Wno-long-long],
+ [ac_cv_prog_cc_w_no_long_long],
+ [save_CFLAGS="$CFLAGS"
+ CFLAGS="-Wno-long-long"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
+ [ac_cv_prog_cc_w_no_long_long=yes],
+ [ac_cv_prog_cc_w_no_long_long=no])
+ CFLAGS="$save_CFLAGS"
+ ])
+
+AC_CACHE_CHECK(
+ [whether ${CC} accepts -Wno-variadic-macros],
+ [ac_cv_prog_cc_w_no_variadic_macros],
+ [save_CFLAGS="$CFLAGS"
+ CFLAGS="-Wno-variadic-macros"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
+ [ac_cv_prog_cc_w_no_variadic_macros=yes],
+ [ac_cv_prog_cc_w_no_variadic_macros=no])
+ CFLAGS="$save_CFLAGS"
+ ])
+
strict1_warn=
-if test $ac_cv_prog_cc_no_long_long = yes ; then
- strict1_warn="-pedantic -Wno-long-long"
+if test $ac_cv_prog_cc_w_no_long_long = yes \
+ && test $ac_cv_prog_cc_w_no_variadic_macros = yes ; then
+ strict1_warn="-pedantic -Wno-long-long -Wno-variadic-macros"
fi
AC_SUBST(strict1_warn)
+# Add -Wold-style-definition if it's accepted
+AC_CACHE_CHECK(
+ [whether ${CC} accepts -Wold-style-definition],
+ [ac_cv_prog_cc_w_old_style_definition],
+ [save_CFLAGS="$CFLAGS"
+ CFLAGS="-Wold-style-definition"
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
+ [ac_cv_prog_cc_w_old_style_definition=yes],
+ [ac_cv_prog_cc_w_old_style_definition=no])
+ CFLAGS="$save_CFLAGS"
+ ])
+if test $ac_cv_prog_cc_w_old_style_definition = yes ; then
+ strict1_warn="${strict1_warn} -Wold-style-definition"
+fi
+
+# Enable -Werror, period.
+AC_ARG_ENABLE(werror_always,
+[ --enable-werror-always enable -Werror always], [],
+[enable_werror_always=no])
+if test x${enable_werror_always} = xyes ; then
+ strict1_warn="${strict1_warn} -Werror"
+ WERROR=-Werror
+fi
+
# 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'.
[ --enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
- Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold;
- default is misc,tree,gc,rtlflag],
+ Categories are: fold,gc,gcac,misc,rtlflag,rtl,
+ tree,valgrind; default is gc,misc,rtlflag,tree],
[ac_checking=
ac_tree_checking=
ac_rtl_checking=
for check
do
case $check in
+ fold) ac_fold_checking=1 ;;
+ gc) ac_gc_checking=1 ;;
+ gcac) ac_gc_always_collect=1 ;;
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 ;;
- fold) ac_fold_checking=1 ;;
+ tree) ac_tree_checking=1 ;;
valgrind) ac_checking_valgrind=1 ;;
*) AC_MSG_ERROR(unknown check category $check) ;;
esac
AC_DEFINE(ENABLE_TREE_CHECKING, 1,
[Define if you want all operations on trees (the basic data
structure of the front ends) to be checked for dynamic type safety
- at runtime. This is moderately expensive.])
+ at runtime. This is moderately expensive. The tree browser debugging
+ routines will also be enabled by this option.
+ ])
+ TREEBROWSER=tree-browser.o
fi
+AC_SUBST(TREEBROWSER)
if test x$ac_rtl_checking != x ; then
AC_DEFINE(ENABLE_RTL_CHECKING, 1,
[Define if you want all operations on RTL (the basic data structure
AC_SUBST(valgrind_path_defines)
AC_SUBST(valgrind_command)
+AC_ARG_ENABLE(mapped-location,
+[ --enable-mapped-location location_t is fileline integer cookie],,
+enable_mapped_location=no)
+
+if test "$enable_mapped_location" = yes ; then
+ AC_DEFINE(USE_MAPPED_LOCATION, 1,
+[Define if location_t is fileline integer cookie.])
+fi
+
# Enable code coverage collection
AC_ARG_ENABLE(coverage,
[ --enable-coverage[=LEVEL]
optimization. Values are opt, noopt,
default is noopt],
[case "${enableval}" in
-yes|noopt)
- coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0"
- ;;
-opt)
- coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2"
- ;;
-*)
- AC_MSG_ERROR(unknown coverage setting $enableval)
- ;;
+ yes|noopt)
+ coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0"
+ ;;
+ opt)
+ coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2"
+ ;;
+ no)
+ # a.k.a. --disable-coverage
+ coverage_flags=""
+ ;;
+ *)
+ AC_MSG_ERROR(unknown coverage setting $enableval)
+ ;;
esac],
[coverage_flags=""])
AC_SUBST(coverage_flags)
AC_ARG_ENABLE(threads,
[ --enable-threads enable thread usage for target GCC
--enable-threads=LIB use LIB thread package for target GCC],,
-enable_threads='')
-# Save in case it gets overwritten in config.gcc
-enable_threads_flag=$enable_threads
+[enable_threads=''])
AC_ARG_ENABLE(objc-gc,
[ --enable-objc-gc enable the use of Boehm's garbage collector with
[onestep=""])
AC_SUBST(onestep)
+# Sanity check enable_languages in case someone does not run the toplevel
+# configure # script.
+AC_ARG_ENABLE(languages,
+[ --enable-languages=LIST specify which front-ends to build],
+[case ,${enable_languages}, in
+ ,,|,yes,)
+ # go safe -- we cannot be much sure without the toplevel
+ # configure's
+ # analysis of which target libs are present and usable
+ enable_languages=c
+ ;;
+ *,all,*)
+ AC_MSG_ERROR([only the toplevel supports --enable-languages=all])
+ ;;
+ *,c,*)
+ ;;
+ *)
+ enable_languages=c,${enable_languages}
+ ;;
+esac],
+[enable_languages=c])
+
+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' $lang`
+ if test "x$lang_alias" = x
+ then
+ echo "$lang doesn't set \$language." 1>&2
+ exit 1
+ fi
+ case ",$enable_languages," in
+ *,$lang_alias,*)
+ subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" ;;
+ esac
+ ;;
+changequote([,])dnl
+ esac
+done
+
+
# -------------------------
# Checks for other programs
# -------------------------
# Find some useful tools
AC_PROG_AWK
-# We need awk to run opts.sh (to create options.c and options.h).
+# We need awk to create options.c and options.h.
# Bail out if it's missing.
case ${AWK} in
"") AC_MSG_ERROR([can't build without awk, bailing out]) ;;
esac
-gcc_AC_PROG_LN
gcc_AC_PROG_LN_S
+ACX_PROG_LN($LN_S)
AC_PROG_RANLIB
+case "${host}" in
+*-*-darwin*)
+ # By default, the Darwin ranlib will not treat common symbols as
+ # definitions when building the archive table of contents. Other
+ # ranlibs do that; pass an option to the Darwin ranlib that makes
+ # it behave similarly.
+ ranlib_flags="-c"
+ ;;
+*)
+ ranlib_flags=""
+esac
+AC_SUBST(ranlib_flags)
+
gcc_AC_PROG_INSTALL
# See if cmp has --ignore-initial.
# How about lex?
dnl Don't use AC_PROG_LEX; we insist on flex.
dnl LEXLIB is not useful in gcc.
-if test -f $srcdir/../flex/skel.c; then
+if test x${build} = x${host} && 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)
# Bison?
# The -L switch is so bison can find its skeleton file.
-if test -f $srcdir/../bison/bison.simple; then
+if test x${build} = x${host} && 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} ${srcdir}/../missing bison)
fi
+# NM
+if test x${build} = x${host} && test -f $srcdir/../binutils/nm.c; then
+ NM='$(objdir)/../binutils/nm-new'
+else
+ AC_CHECK_PROG(NM, nm, nm, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing nm)
+fi
+
+# AR
+if test x${build} = x${host} && test -f $srcdir/../binutils/ar.c; then
+ AR='$(objdir)/../binutils/ar'
+else
+ AC_CHECK_PROG(AR, ar, ar, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing ar)
+fi
+
+
# --------------------
# Checks for C headers
# --------------------
AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
fi
+# Need to reject headers which give warnings, so that the -Werror bootstrap
+# works later. *sigh* This needs to come before all header checks.
+AC_PROG_CPP_WERROR
+
AC_HEADER_STDC
AC_HEADER_TIME
-gcc_AC_HEADER_STDBOOL
-gcc_AC_HEADER_STRING
+ACX_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 \
fi
fi
-gcc_AC_CHECK_TYPE(ssize_t, int)
+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).
gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
fprintf_unlocked strstr errno snprintf vasprintf \
- malloc realloc calloc free basename getopt clock, , ,[
+ malloc realloc calloc free basename getopt clock getpagesize, , ,[
#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"
. ${srcdir}/config.gcc
extra_objs="${host_extra_objs} ${extra_objs}"
+extra_gcc_objs="${host_extra_gcc_objs} ${extra_gcc_objs}"
# Default the target-machine variables that were not explicitly set.
if test x"$tm_file" = x
fi
fi
+# ---------
+# Threading
+# ---------
+
# Check if a valid thread package
-case ${enable_threads_flag} in
+case ${enable_threads} in
"" | no)
# No threads
target_thread_file='single'
;;
aix | dce | gnat | irix | posix | rtems | \
single | solaris | vxworks | win32 )
- target_thread_file=${enable_threads_flag}
+ target_thread_file=${enable_threads}
;;
*)
- echo "${enable_threads_flag} is an unknown thread package" 1>&2
+ echo "${enable_threads} is an unknown thread package" 1>&2
exit 1
;;
esac
thread_file=${target_thread_file}
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)
+
+# --------
+# UNSORTED
+# --------
+
if test x$enable___cxa_atexit = xyes || \
test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
- AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
- [Define if you want to use __cxa_atexit, rather than atexit, to
- register C++ destructors for local statics and global objects.
- This is essential for fully standards-compliant handling of
- destructors, but requires __cxa_atexit in libc.])
+ AC_CHECK_FUNC(__cxa_atexit,
+ [AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
+ [Define if you want to use __cxa_atexit, rather than atexit, to
+ register C++ destructors for local statics and global objects.
+ This is essential for fully standards-compliant handling of
+ destructors, but requires __cxa_atexit in libc.])],
+ echo "__cxa_atexit can't be enabled on this target")
fi
# Look for a file containing extra machine modes.
saved_CFLAGS="${CFLAGS}"
CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
${realsrcdir}/configure \
+ --enable-languages=${enable_languages-all} \
--target=$target_alias --host=$build_alias --build=$build_alias
CFLAGS="${saved_CFLAGS}"
extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
done
+# Define collect2 in Makefile.
+case $host_can_use_collect2 in
+ no) collect2= ;;
+ *) collect2='collect2$(exeext)' ;;
+esac
+AC_SUBST([collect2])
+
# Add a definition of USE_COLLECT2 if system wants one.
case $use_collect2 in
no) use_collect2= ;;
*)
host_xm_defines="${host_xm_defines} USE_COLLECT2"
xm_defines="${xm_defines} USE_COLLECT2"
+ case $host_can_use_collect2 in
+ no)
+ AC_MSG_ERROR([collect2 is required but cannot be built on this system])
+ ;;
+ esac
;;
esac
+# ---------------------------
+# Assembler & linker features
+# ---------------------------
+
# 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.
gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
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 $gcc_cv_as_gas_srcdir/configure.in \
- && test -f ../gas/Makefile; then
- # Single tree build which includes gas.
+ && test -f ../gas/Makefile \
+ && test x$build = x$host; then
+ # Single tree build which includes gas. We want to prefer it
+ # over whatever linker top-level may have detected, since
+ # we'll use what we're building after installation anyway.
in_tree_gas=yes
_gcc_COMPUTE_GAS_VERSION
rm -f as$host_exeext
then
in_tree_gas_is_elf=yes
fi
+m4_pattern_allow([AS_FOR_TARGET])dnl
+elif test -x "$AS_FOR_TARGET"; then
+ gcc_cv_as="$AS_FOR_TARGET"
+elif test -x "$AS" && test x$host = x$target; then
+ gcc_cv_as="$AS"
fi
if test "x$gcc_cv_as" = x; then
if test "x$program_prefix" != xNONE; then
gcc_cv_as=${program_prefix}as$host_exeext
else
- gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
+ gcc_cv_as=`echo as | sed "${program_transform_name}"`$host_exeext
fi
- test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \
- $test_prefix/lib/gcc-lib/$target_noncanonical \
+ test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
+ $test_prefix/libexec/gcc/$target_noncanonical \
/usr/lib/gcc/$target_noncanonical/$gcc_version \
/usr/lib/gcc/$target_noncanonical \
$test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
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 collect-ld$host_exeext; then
# Build using linker in the current directory.
gcc_cv_ld=./collect-ld$host_exeext
elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
- && test -f ../ld/Makefile; then
- # Single tree build which includes ld.
+ && test -f ../ld/Makefile \
+ && test x$build = x$host; then
+ # Single tree build which includes ld. We want to prefer it
+ # over whatever linker top-level may have detected, since
+ # we'll use what we're building after installation anyway.
in_tree_ld=yes
in_tree_ld_is_elf=no
if (grep 'EMUL = .*elf' ../ld/Makefile \
rm -f collect-ld$host_exeext
$symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \
2>/dev/null
+elif test -x "$LD_FOR_TARGET"; then
+ gcc_cv_ld="$LD_FOR_TARGET"
+elif test -x "$LD" && test x$host = x$target; then
+ gcc_cv_ld="$LD"
fi
if test "x$gcc_cv_ld" = x; then
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
+ gcc_cv_ld=`echo ld | sed "${program_transform_name}"`$host_exeext
fi
- test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \
- $test_prefix/lib/gcc-lib/$target_noncanonical \
+ test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
+ $test_prefix/libexec/gcc/$target_noncanonical \
/usr/lib/gcc/$target_noncanonical/$gcc_version \
/usr/lib/gcc/$target_noncanonical \
$test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
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
+ gcc_cv_nm=`echo nm | sed "${program_transform_name}"`$host_exeext
fi
case $in_tree_nm in
yes) AC_MSG_RESULT("newly built nm") ;;
gcc_cv_objdump=${program_prefix}objdump$host_exeext
else
gcc_cv_objdump=`echo objdump | \
- sed ${program_transform_name}`$host_exeext
+ sed "${program_transform_name}"`$host_exeext
fi
case $in_tree_objdump in
yes) AC_MSG_RESULT("newly built objdump") ;;
fi
else
case "${target}" in
- hppa64*-*-hpux*)
+ hppa64*-*-hpux* | ia64*-*-hpux*)
gcc_cv_ld_hidden=yes
;;
*)
lda $4,foo($29) !tprel'
tls_first_major=2
tls_first_minor=13
+ tls_as_opt=--fatal-warnings
;;
i[34567]86-*-*)
conftest_s='
leal foo@NTPOFF(%ecx), %eax'
tls_first_major=2
tls_first_minor=14
+ tls_as_opt=--fatal-warnings
;;
x86_64-*-*)
conftest_s='
movq $foo@TPOFF, %rax'
tls_first_major=2
tls_first_minor=14
+ tls_as_opt=--fatal-warnings
;;
ia64-*-*)
conftest_s='
movl r24 = @tprel(foo#)'
tls_first_major=2
tls_first_minor=13
+ tls_as_opt=--fatal-warnings
;;
powerpc-*-*)
conftest_s='
addi 9,9,x2@tprel@l'
tls_first_major=2
tls_first_minor=14
- tls_as_opt=-a32
+ tls_as_opt="-a32 --fatal-warnings"
;;
powerpc64-*-*)
conftest_s='
nop'
tls_first_major=2
tls_first_minor=14
- tls_as_opt=-a64
+ tls_as_opt="-a64 --fatal-warnings"
;;
s390-*-*)
conftest_s='
bas %r14,0(%r1,%r13):tls_ldcall:foo'
tls_first_major=2
tls_first_minor=14
- tls_as_opt=-m31
+ tls_as_opt="-m31 --fatal-warnings"
;;
s390x-*-*)
conftest_s='
brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
tls_first_major=2
tls_first_minor=14
- tls_as_opt="-m64 -Aesame"
+ tls_as_opt="-m64 -Aesame --fatal-warnings"
;;
sh-*-* | sh[34]-*-*)
conftest_s='
.long foo@TPOFF'
tls_first_major=2
tls_first_minor=13
+ tls_as_opt=--fatal-warnings
;;
sparc*-*-*)
- conftest_s='
+ case "$target" in
+ sparc*-sun-solaris2.*)
+ on_solaris=yes
+ ;;
+ *)
+ on_solaris=no
+ ;;
+ esac
+ if test x$on_solaris = xyes && test x$gas_flag = xno; then
+ conftest_s='
+ .section ".tdata",#alloc,#write,#tls
+foo: .long 25
+ .text
+ sethi %tgd_hi22(foo), %o0
+ add %o0, %tgd_lo10(foo), %o1
+ add %l7, %o1, %o0, %tgd_add(foo)
+ call __tls_get_addr, %tgd_call(foo)
+ sethi %tldm_hi22(foo), %l1
+ add %l1, %tldm_lo10(foo), %l2
+ add %l7, %l2, %o0, %tldm_add(foo)
+ call __tls_get_addr, %tldm_call(foo)
+ sethi %tldo_hix22(foo), %l3
+ xor %l3, %tldo_lox10(foo), %l4
+ add %o0, %l4, %l5, %tldo_add(foo)
+ sethi %tie_hi22(foo), %o3
+ add %o3, %tie_lo10(foo), %o3
+ ld [%l7 + %o3], %o2, %tie_ld(foo)
+ add %g7, %o2, %o4, %tie_add(foo)
+ sethi %tle_hix22(foo), %l1
+ xor %l1, %tle_lox10(foo), %o5
+ ld [%g7 + %o5], %o1'
+ tls_first_major=0
+ tls_first_minor=0
+ else
+ conftest_s='
.section ".tdata","awT",@progbits
foo: .long 25
.text
ld [%g7 + %o5], %o1'
tls_first_major=2
tls_first_minor=14
- tls_as_opt=-32
+ tls_as_opt="-32 --fatal-warnings"
+ fi
;;
changequote([,])dnl
esac
: # If we don't have a check, assume no support.
else
gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls,
- [$tls_first_major,$tls_first_minor,0], [$tls_as_opt --fatal-warnings],
- [$conftest_s],,
+ [$tls_first_major,$tls_first_minor,0], [$tls_as_opt], [$conftest_s],,
[AC_DEFINE(HAVE_AS_TLS, 1,
[Define if your assembler supports thread-local storage.])])
fi
# Target-specific assembler checks.
+if test x"$demangler_in_ld" = xyes; then
+ AC_MSG_CHECKING(linker --demangle support)
+ gcc_cv_ld_demangle=no
+ if test $in_tree_ld = yes; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 14 -o "$gcc_cv_gld_major_version" -gt 2; then \
+ gcc_cv_ld_demangle=yes
+ fi
+ elif test x$gcc_cv_ld != x -a x"$gnu_ld" = xyes; then
+ # Check if the GNU linker supports --demangle option
+ if $gcc_cv_ld --help 2>/dev/null | grep no-demangle > /dev/null; then
+ gcc_cv_ld_demangle=yes
+ fi
+ fi
+ if test x"$gcc_cv_ld_demangle" = xyes; then
+ AC_DEFINE(HAVE_LD_DEMANGLE, 1,
+[Define if your linker supports --demangle option.])
+ fi
+ AC_MSG_RESULT($gcc_cv_ld_demangle)
+fi
+
case "$target" in
# All TARGET_ABI_OSF targets.
alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
[Define if your assembler supports explicit relocations.])])
;;
+ cris-*-*)
+ gcc_GAS_CHECK_FEATURE([-no-mul-bug-abort option],
+ gcc_cv_as_cris_no_mul_bug,[2,15,91],
+ [-no-mul-bug-abort], [.text],,
+ [AC_DEFINE(HAVE_AS_NO_MUL_BUG_ABORT_OPTION, 1,
+ [Define if your assembler supports the -no-mul-bug-abort option.])])
+ ;;
+
sparc*-*-*)
gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,,
[.register %g2, #scratch],,
changequote(,)dnl
i[34567]86-*-* | x86_64-*-*)
changequote([,])dnl
+ case $target_os in
+ cygwin* | pe | mingw32*)
+ # Used for DWARF 2 in PE
+ gcc_GAS_CHECK_FEATURE([.secrel32 relocs],
+ gcc_cv_as_ix86_pe_secrel32,
+ [2,15,91],,
+[.text
+foo: nop
+.data
+ .secrel32 foo],
+ [if test x$gcc_cv_ld != x \
+ && $gcc_cv_ld -o conftest conftest.o > /dev/null 2>&1; then
+ gcc_cv_as_ix86_pe_secrel32=yes
+ fi
+ rm -f conftest],
+ [AC_DEFINE(HAVE_GAS_PE_SECREL32_RELOC, 1,
+ [Define if your assembler and linker support 32-bit section relative relocs via '.secrel32 label'.])])
+ ;;
+ esac
+
gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
gcc_cv_as_ix86_filds_fists,
[2,9,0],, [filds mem; fists mem],,
powerpc*-*-*)
case $target in
- *-*-aix) conftest_s=' .csect .text[PR]';;
- *) conftest_s=' .text';;
+ *-*-aix*) conftest_s=' .csect .text[[PR]]
+ mfcr 3,128';;
+ *-*-darwin*) conftest_s=' .text
+ mfcr r3,128';;
+ *) conftest_s=' .text
+ mfcr 3,128';;
esac
- conftest_s="$conftest_s
- mfcr 3,128"
gcc_GAS_CHECK_FEATURE([mfcr field support],
gcc_cv_as_powerpc_mfcrf, [2,14,0],,
| xstormy16*-*-* | cris-*-* | xtensa-*-*)
insn="nop"
;;
- ia64*-*-*)
+ ia64*-*-* | s390*-*-*)
insn="nop 0"
;;
mmix-*-*)
fi
AC_MSG_RESULT($gcc_cv_ld_pie)
-if test x$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",
-[Define to PREFIX/include if cpp should also search that directory.])
-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])
+# --------
+# UNSORTED
+# --------
- 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])
+AC_CACHE_CHECK(linker --as-needed support,
+gcc_cv_ld_as_needed,
+[gcc_cv_ld_as_needed=no
+if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes; then
+ gcc_cv_ld_as_needed=yes
+ fi
+elif test x$gcc_cv_ld != x; then
+ # Check if linker supports --as-needed and --no-as-needed options
+ if $gcc_cv_ld --help 2>/dev/null | grep as-needed > /dev/null; then
+ gcc_cv_ld_as_needed=yes
fi
fi
-enable_languages=`echo "${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}])
+])
+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
-# 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
+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, "$prefix/include",
+[Define to PREFIX/include if cpp should also search that directory.])
fi
-AC_SUBST(gthread_flags)
# Find out what GC implementation we want, or may, use.
AC_ARG_WITH(gc,
-[ --with-gc={simple,page,zone} choose the garbage collection mechanism to use
+[ --with-gc={page,zone} choose the garbage collection mechanism to use
with the compiler],
[case "$withval" in
- simple | page | zone)
+ page | zone)
GGC=ggc-$withval
;;
*)
fi
AC_SUBST(MAINT)dnl
+AC_MSG_CHECKING([whether to use libbanshee for points-to alias analysis])
+AC_ARG_WITH(libbanshee,
+[ --with-libbanshee enable libbanshee],
+libbanshee="$with_libbanshee",
+libbanshee=no)
+
+if test x"$libbanshee" = xyes; then
+ BANSHEELIB="../libbanshee/points-to/libandersen.a ../libbanshee/engine/libbansheeengine.a ../libbanshee/libcompat/libbansheecompat.a "
+ BANSHEEINC="-I\$(srcdir)/../libbanshee/libcompat -I\$(srcdir)/../libbanshee -I\$(srcdir)/../libbanshee/points-to"
+ ANDER="tree-alias-ander.o"
+ AC_DEFINE(HAVE_BANSHEE, 1, [Define if BANSHEE is available])
+else
+ BANSHEELIB=""
+ BANSHEEINC=""
+ ANDER=""
+fi
+AC_MSG_RESULT($with_libbanshee)
+
+AC_SUBST(ANDER)
+AC_SUBST(BANSHEEINC)
+AC_SUBST(BANSHEELIB)
+
+# --------------
+# Language hooks
+# --------------
+
# 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.
all_boot_languages=
all_compilers=
all_stagestuff=
-all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
+all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders libada-mk'
# List of language makefile fragments.
all_lang_makefrags=
# List of language subdirectory makefiles. Deprecated.
touch Make-hooks
target_list="all.build all.cross start.encap rest.encap tags \
install-normal install-common install-man \
- uninstall \
+ uninstall info man srcextra srcman srcinfo \
mostlyclean clean distclean maintainer-clean \
stage1 stage2 stage3 stage4 stageprofile stagefeedback"
for t in $target_list
echo "lang.$t: $x" >> Make-hooks
done
+# --------
+# UNSORTED
+# --------
+
# Create .gdbinit.
echo "dir ." > .gdbinit
# Substitute configuration variables
AC_SUBST(subdirs)
AC_SUBST(srcdir)
-AC_SUBST(docobjdir)
-AC_SUBST(parsedir)
AC_SUBST(all_boot_languages)
AC_SUBST(all_compilers)
AC_SUBST(all_gtfiles)
AC_SUBST(cpp_install_dir)
AC_SUBST(xmake_file)
AC_SUBST(tmake_file)
+AC_SUBST(extra_gcc_objs)
AC_SUBST(extra_headers_list)
AC_SUBST(extra_objs)
AC_SUBST(extra_parts)
AC_SUBST(gcc_version_full)
AC_SUBST(gcc_version_trigger)
AC_SUBST(host_exeext)
-AC_SUBST(host_extra_gcc_objs)
AC_SUBST(host_xm_file_list)
AC_SUBST(host_xm_include_list)
AC_SUBST(host_xm_defines)
AC_SUBST_FILE(language_hooks)
+# If it doesn't already exist, create document directory
+echo "checking for the document directory." 1>&2
+if test -d doc ; then
+ true
+else
+ mkdir doc
+fi
+
# Echo link setup.
if test x${build} = x${host} ; then
if test x${host} = x${target} ; then
fi
fi
+AC_ARG_VAR(GMPLIBS,[How to link GMP])
+AC_ARG_VAR(GMPINC,[How to find GMP include files])
+
# Configure the subdirectories
# AC_CONFIG_SUBDIRS($subdirs)
# Create the Makefile
# and configure language subdirectories
-AC_OUTPUT($all_outputs,
+AC_CONFIG_FILES($all_outputs)
+
+AC_CONFIG_COMMANDS([default],
[
case ${CONFIG_HEADERS} in
*auto-host.h:config.in*)
[subdirs='$subdirs'
symbolic_link='$symbolic_link'
])
+AC_OUTPUT
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