-# 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.
# --------------------------------
AC_PREREQ(2.57)
-AC_INIT(tree.c)
+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
# 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
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
. ${srcdir}/config.gcc
extra_objs="${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
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} \
--target=$target_alias --host=$build_alias --build=$build_alias
CFLAGS="${saved_CFLAGS}"
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 "$LD"; then
+elif test -x "$LD_FOR_TARGET"; then
+ gcc_cv_ld="$LD_FOR_TARGET"
+elif test -x "$LD" && test x$host = x$target; then
gcc_cv_ld="$LD"
elif test -x collect-ld$host_exeext; then
# Build using linker in the current directory.
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
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-*-*)
# 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
;;
*)
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 $target_list
# Substitute configuration variables
AC_SUBST(subdirs)
AC_SUBST(srcdir)
-AC_SUBST(docobjdir)
-AC_SUBST(parsedir)
AC_SUBST(all_boot_languages)
AC_SUBST(all_compilers)
AC_SUBST(all_gtfiles)
AC_SUBST(cpp_install_dir)
AC_SUBST(xmake_file)
AC_SUBST(tmake_file)
+AC_SUBST(extra_gcc_objs)
AC_SUBST(extra_headers_list)
AC_SUBST(extra_objs)
AC_SUBST(extra_parts)
AC_SUBST(gcc_version_full)
AC_SUBST(gcc_version_trigger)
AC_SUBST(host_exeext)
-AC_SUBST(host_extra_gcc_objs)
AC_SUBST(host_xm_file_list)
AC_SUBST(host_xm_include_list)
AC_SUBST(host_xm_defines)
AC_SUBST_FILE(language_hooks)
+# If it doesn't already exist, create document directory
+echo "checking for the document directory." 1>&2
+if test -d doc ; then
+ true
+else
+ mkdir doc
+fi
+
# Echo link setup.
if test x${build} = x${host} ; then
if test x${host} = x${target} ; then
# Create the Makefile
# and configure language subdirectories
-AC_OUTPUT($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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