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riscv-gcc-1
Commit e4c9c075 by Paolo Bonzini Committed by Nathanael Nerode
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(top level) 

2004-03-08  Paolo Bonzini  <bonzini@gnu.org>

	PR ada/14131
	Move language detection to the top level.
	* configure.in: Find default values for the tools as
	soon as possible.  Disable ada if GNAT is not found.
	Emit error message about missing languages.  Expand
	--enable-languages=all for the gcc subdirectory.

(config)
2004-03-08  Paolo Bonzini  <bonzini@gnu.org>

	PR ada/14131
	Move language detection to the top level.
	* acx.m4 (ACX_PROG_GNAT): New macro, moved here
	from the gcc subdirectory.
(gcc)
2004-03-08  Paolo Bonzini  <bonzini@gnu.org>

	PR ada/14131
	Move language detection to the top level.
	* configure.ac: Remove code to detect languages,
	it now lives exclusively in the top level.
	* aclocal.m4 (gcc_AC_PROG_GNAT): Moved to the
	top level, renamed to ACX_PROG_GNAT.

(gcc/ada)
2004-03-08  Paolo Bonzini  <bonzini@gnu.org>

	PR ada/14131
	Move language detection to the top level.
	* config-lang.in: Build by default.

From-SVN: r79299
parent e46e9f82
Showing with 580 additions and 610 deletions
ChangeLog
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* configure.in: Find default values for the tools as
soon as possible. Disable ada if GNAT is not found.
Emit error message about missing languages. Expand
--enable-languages=all for the gcc subdirectory.
2004-03-10 Ben Elliston <bje@gnu.org>
* MAINTAINERS: Update my email address.
......
config/ChangeLog
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* acx.m4 (ACX_PROG_GNAT): New macro, moved here
from the gcc subdirectory.
2004-03-09 Hans-Peter Nilsson <hp@axis.com>
* accross.m4 (AC_C_BIGENDIAN_CROSS): Compile endian probe with
......
config/acx.m4
......@@ -155,3 +155,38 @@ AC_DEFUN([AC_PROG_CPP_WERROR],
[AC_REQUIRE([AC_PROG_CPP])dnl
m4_define([AC_CHECK_HEADER],m4_defn([_AC_CHECK_HEADER_OLD]))
ac_c_preproc_warn_flag=yes])# AC_PROG_CPP_WERROR
# Test for GNAT.
# We require the gnatbind program, and a compiler driver that
# understands Ada. We use the user's CC setting, already found.
#
# Sets the shell variable have_gnat to yes or no as appropriate, and
# substitutes GNATBIND.
AC_DEFUN([ACX_PROG_GNAT],
[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])
AC_REQUIRE([AC_PROG_CC])
AC_CHECK_TOOL(GNATBIND, gnatbind, no)
AC_CACHE_CHECK([whether compiler driver understands Ada],
acx_cv_cc_gcc_supports_ada,
[cat >conftest.adb <<EOF
procedure conftest is begin null; end conftest;
EOF
acx_cv_cc_gcc_supports_ada=no
# There is a bug in old released versions of GCC which causes the
# driver to exit successfully when the appropriate language module
# has not been installed. This is fixed in 2.95.4, 3.0.2, and 3.1.
# Therefore we must check for the error message as well as an
# unsuccessful exit.
errors=`(${CC} -c conftest.adb) 2>&1 || echo failure`
if test x"$errors" = x; then
acx_cv_cc_gcc_supports_ada=yes
break
fi
rm -f conftest.*])
if test x$GNATBIND != xno && test x$acx_cv_gcc_supports_ada != xno; then
have_gnat=yes
else
have_gnat=no
fi
])
configure.in
......@@ -747,273 +747,6 @@ case "${noconfigdirs}" in
*target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
esac
# 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}"
echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
else
enable_languages=all
fi
else
if test x"${enable_languages}" = x ||
test x"${enable_languages}" = xyes;
then
echo configure.in: --enable-languages needs at least one language argument 1>&2
exit 1
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_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
..) ;;
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
${srcdir}/gcc/[[*]]/config-lang.in) ;;
*)
# From the config-lang.in, get $language, $lang_requires
language=
lang_requires=
. ${lang_frag}
for other in ${lang_requires} ; do
case ,${enable_languages}, in
*,$other,*) ;;
*,all,*) ;;
*,$language,*)
echo " \`$other' language required by \`$language'; enabling" 1>&2
enable_languages="${enable_languages},${other}"
;;
esac
done
;;
esac
done
for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
..) ;;
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
${srcdir}/gcc/[[*]]/config-lang.in) ;;
*)
# From the config-lang.in, get $language, $target_libs,
# $lang_dirs, and $build_by_default
language=
target_libs=
lang_dirs=
build_by_default=
. ${lang_frag}
if test "x$language" = x ; then
echo "${lang_frag} doesn't set \$language." 1>&2
exit 1
fi
case ,${enable_languages}, in
*,${language},*)
# Language was explicitly selected; include it.
add_this_lang=yes
;;
*,all,*)
# 'all' was selected; include 'default' languages.
case ${build_by_default} in
no) add_this_lang=no ;;
*) add_this_lang=yes ;;
esac
;;
*) add_this_lang=no ;;
esac
case ${add_this_lang} in
no)
# Remove language-dependent dirs.
eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
;;
esac
;;
esac
done
# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
# $target_configdirs.
# If we have the source for $noconfigdirs entries, add them to $notsupp.
notsupp=""
for dir in . $skipdirs $noconfigdirs ; do
dirname=`echo $dir | sed -e s/target-//g`
if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
if test -r $srcdir/$dirname/configure ; then
if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
true
else
notsupp="$notsupp $dir"
fi
fi
fi
if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
if test -r $srcdir/$dirname/configure ; then
if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
true
else
notsupp="$notsupp $dir"
fi
fi
fi
done
# Sometimes the tools are distributed with libiberty but with no other
# libraries. In that case, we don't want to build target-libiberty.
if test -n "${target_configdirs}" ; then
others=
for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
if test "$i" != "libiberty" ; then
if test -r $srcdir/$i/configure ; then
others=yes;
break;
fi
fi
done
if test -z "${others}" ; then
target_configdirs=
fi
fi
# Quietly strip out all directories which aren't configurable in this tree.
# This relies on all configurable subdirectories being autoconfiscated, which
# is now the case.
configdirs_all="$configdirs"
configdirs=
for i in ${configdirs_all} ; do
if test -f ${srcdir}/$i/configure ; then
configdirs="${configdirs} $i"
fi
done
target_configdirs_all="$target_configdirs"
target_configdirs=
for i in ${target_configdirs_all} ; do
j=`echo $i | sed -e s/target-//g`
if test -f ${srcdir}/$j/configure ; then
target_configdirs="${target_configdirs} $i"
fi
done
# Produce a warning message for the subdirs we can't configure.
# This isn't especially interesting in the Cygnus tree, but in the individual
# FSF releases, it's important to let people know when their machine isn't
# supported by the one or two programs in a package.
if test -n "${notsupp}" && test -z "${norecursion}" ; then
# If $appdirs is non-empty, at least one of those directories must still
# be configured, or we error out. (E.g., if the gas release supports a
# specified target in some subdirs but not the gas subdir, we shouldn't
# pretend that all is well.)
if test -n "$appdirs" ; then
for dir in $appdirs ; do
if test -r $dir/Makefile.in ; then
if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
appdirs=""
break
fi
if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
appdirs=""
break
fi
fi
done
if test -n "$appdirs" ; then
echo "*** This configuration is not supported by this package." 1>&2
exit 1
fi
fi
# Okay, some application will build, or we don't care to check. Still
# notify of subdirs not getting built.
echo "*** This configuration is not supported in the following subdirectories:" 1>&2
echo " ${notsupp}" 1>&2
echo " (Any other directories should still work fine.)" 1>&2
fi
case "$host" in
*msdosdjgpp*)
enable_gdbtk=no ;;
esac
copy_dirs=
# Handle --with-headers=XXX. If the value is not "yes", the contents of
# the named directory are copied to $(tooldir)/sys-include.
if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
if test x${is_cross_compiler} = xno ; then
echo 1>&2 '***' --with-headers is only supported when cross compiling
exit 1
fi
if test x"${with_headers}" != xyes ; then
case "${exec_prefixoption}" in
"") x=${prefix} ;;
*) x=${exec_prefix} ;;
esac
copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
fi
fi
# Handle --with-libs=XXX. If the value is not "yes", the contents of
# the name directories are copied to $(tooldir)/lib. Multiple directories
# are permitted.
if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
if test x${is_cross_compiler} = xno ; then
echo 1>&2 '***' --with-libs is only supported when cross compiling
exit 1
fi
if test x"${with_libs}" != xyes ; then
# Copy the libraries in reverse order, so that files in the first named
# library override files in subsequent libraries.
case "${exec_prefixoption}" in
"") x=${prefix} ;;
*) x=${exec_prefix} ;;
esac
for l in ${with_libs}; do
copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
done
fi
fi
# Handle ${copy_dirs}
set fnord ${copy_dirs}
shift
while test $# != 0 ; do
if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
:
else
echo Copying $1 to $2
# Use the install script to create the directory and all required
# parent directories.
if test -d $2 ; then
:
else
echo >config.temp
${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
fi
# Copy the directory, assuming we have tar.
# FIXME: Should we use B in the second tar? Not all systems support it.
(cd $1; tar -cf - .) | (cd $2; tar -xpf -)
# It is the responsibility of the user to correctly adjust all
# symlinks. If somebody can figure out how to handle them correctly
# here, feel free to add the code.
echo $1 > $2/COPIED
fi
shift; shift
done
# Work in distributions that contain no compiler tools, like Autoconf.
tentative_cc=""
host_makefile_frag=/dev/null
......@@ -1165,6 +898,473 @@ case "${host}" in
esac
fi
# If we aren't going to be using gcc, see if we can extract a definition
# of CC from the fragment.
# Actually, use the 'pre-extracted' version above.
if test -z "${CC}" && test "${build}" = "${host}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
found=
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/gcc; then
found=yes
break
fi
done
IFS="$save_ifs"
if test -z "${found}" && test -n "${tentative_cc}" ; then
CC=$tentative_cc
fi
fi
if test "${build}" != "${host}" ; then
# If we are doing a Canadian Cross, in which the host and build systems
# are not the same, we set reasonable default values for the tools.
BISON=${BISON-bison}
CC=${CC-${host_alias}-gcc}
CFLAGS=${CFLAGS-"-g -O2"}
CXX=${CXX-${host_alias}-c++}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
BUILD_PREFIX=${build_alias}-
BUILD_PREFIX_1=${build_alias}-
MAKEINFO=${MAKEINFO-makeinfo}
if test -z "${YACC}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/bison; then
YACC="bison -y"
break
fi
if test -f $dir/byacc; then
YACC=byacc
break
fi
if test -f $dir/yacc; then
YACC=yacc
break
fi
done
IFS="$save_ifs"
if test -z "${YACC}" ; then
YACC="bison -y"
fi
fi
if test -z "${LEX}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/flex; then
LEX=flex
break
fi
if test -f $dir/lex; then
LEX=lex
break
fi
done
IFS="$save_ifs"
LEX=${LEX-flex}
fi
else
# Set reasonable default values for some tools even if not Canadian.
# Of course, these are different reasonable default values, originally
# specified directly in the Makefile.
# We don't export, so that autoconf can do its job.
# Note that all these settings are above the fragment inclusion point
# in Makefile.in, so can still be overridden by fragments.
# This is all going to change when we autoconfiscate...
BISON="\$(USUAL_BISON)"
CC_FOR_BUILD="\$(CC)"
GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
BUILD_PREFIX=
BUILD_PREFIX_1=loser-
MAKEINFO="\$(USUAL_MAKEINFO)"
LEX="\$(USUAL_LEX)"
YACC="\$(USUAL_YACC)"
# If CC is still not set, try to get gcc.
cc_prog_is_gcc=
if test -z "${CC}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/gcc; then
CC="gcc"
cc_prog_is_gcc=yes
echo 'void f(){}' > conftest.c
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
CFLAGS=${CFLAGS-"-g -O2"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
else
CFLAGS=${CFLAGS-"-O2"}
CXXFLAGS=${CXXFLAGS-"-O2"}
fi
rm -f conftest*
break
fi
done
IFS="$save_ifs"
CC=${CC-cc}
else
# Determine if we are using gcc.
cat > conftest.c <<EOF
#ifdef __GNUC__
yes;
#endif
EOF
if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
cc_prog_is_gcc=yes
fi
rm -f conftest.c
if test -z "${CFLAGS}"; then
# Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
# is set to a version of gcc.
if test "$cc_prog_is_gcc" = yes; then
echo 'void f(){}' > conftest.c
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
CFLAGS=${CFLAGS-"-g -O2"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
else
CFLAGS=${CFLAGS-"-O2"}
CXXFLAGS=${CXXFLAGS-"-O2"}
fi
rm -f conftest*
fi
fi
fi
# We must set the default linker to the linker used by gcc for the correct
# operation of libtool. If LD is not defined and we are using gcc, try to
# set the LD default to the ld used by gcc.
if test -z "$LD"; then
if test "$cc_prog_is_gcc" = yes; then
case $build in
*-*-mingw*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
esac
case $gcc_prog_ld in
# Accept absolute paths.
[[\\/]* | [A-Za-z]:[\\/]*)]
LD="$gcc_prog_ld" ;;
esac
fi
fi
CXX=${CXX-"c++"}
CFLAGS=${CFLAGS-"-g"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
fi
ACX_PROG_GNAT
# 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 -d ${srcdir}/gcc; then
if test x"${enable_languages+set}" != xset; then
if test x"${LANGUAGES+set}" = xset; then
enable_languages="${LANGUAGES}"
echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
else
enable_languages=all
fi
else
if test x"${enable_languages}" = x ||
test x"${enable_languages}" = xyes;
then
echo configure.in: --enable-languages needs at least one language argument 1>&2
exit 1
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_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
..) ;;
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
${srcdir}/gcc/[[*]]/config-lang.in) ;;
*)
# From the config-lang.in, get $language, $lang_requires
language=
lang_requires=
. ${lang_frag}
for other in ${lang_requires} ; do
case ,${enable_languages}, in
*,$other,*) ;;
*,all,*) ;;
*,$language,*)
echo " \`$other' language required by \`$language'; enabling" 1>&2
enable_languages="${enable_languages},${other}"
;;
esac
done
;;
esac
done
new_enable_languages=c
missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
..) ;;
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
${srcdir}/gcc/[[*]]/config-lang.in) ;;
*)
# From the config-lang.in, get $language, $target_libs,
# $lang_dirs, and $build_by_default
language=
target_libs=
lang_dirs=
build_by_default=
. ${lang_frag}
# This is quite sensitive to the ordering of the case statement arms.
case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
*::*:*)
echo "${lang_frag} doesn't set \$language." 1>&2
exit 1
;;
*:ada:no:*)
# Ada was requested with no preexisting GNAT. Disable unconditionally.
add_this_lang=no
;;
*,${language},*:*:*:*)
# Language was explicitly selected; include it.
add_this_lang=yes
;;
*,all,*:*:*:no)
# 'all' was selected, but this is not a default language
# so do not include it.
add_this_lang=no
;;
*,all,*:*:*:*)
# 'all' was selected and this is a default language; include it.
add_this_lang=yes
;;
*)
add_this_lang=no
;;
esac
case $add_this_lang in
no)
# Remove language-dependent dirs.
eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" ;;
*)
new_enable_languages="$new_enable_languages,$language"
missing_languages="`echo "$missing_languages" | sed "s/,$language,/,/"`" ;;
esac
;;
esac
done
missing_languages="`echo "$missing_languages" | sed -e s/^,// -e s/,$//`"
if test "x$missing_languages" != x; then
AC_MSG_ERROR([
The following requested languages were not found: ${missing_languages}])
fi
if test "x$new_enable_languages" != "x$enable_languages"; then
echo The following languages will be built: ${new_enable_languages}
fi
enable_languages="$new_enable_languages"
ac_configure_args="`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `"
fi
# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
# $target_configdirs.
# If we have the source for $noconfigdirs entries, add them to $notsupp.
notsupp=""
for dir in . $skipdirs $noconfigdirs ; do
dirname=`echo $dir | sed -e s/target-//g`
if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
if test -r $srcdir/$dirname/configure ; then
if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
true
else
notsupp="$notsupp $dir"
fi
fi
fi
if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
if test -r $srcdir/$dirname/configure ; then
if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
true
else
notsupp="$notsupp $dir"
fi
fi
fi
done
# Sometimes the tools are distributed with libiberty but with no other
# libraries. In that case, we don't want to build target-libiberty.
if test -n "${target_configdirs}" ; then
others=
for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
if test "$i" != "libiberty" ; then
if test -r $srcdir/$i/configure ; then
others=yes;
break;
fi
fi
done
if test -z "${others}" ; then
target_configdirs=
fi
fi
# Quietly strip out all directories which aren't configurable in this tree.
# This relies on all configurable subdirectories being autoconfiscated, which
# is now the case.
configdirs_all="$configdirs"
configdirs=
for i in ${configdirs_all} ; do
if test -f ${srcdir}/$i/configure ; then
configdirs="${configdirs} $i"
fi
done
target_configdirs_all="$target_configdirs"
target_configdirs=
for i in ${target_configdirs_all} ; do
j=`echo $i | sed -e s/target-//g`
if test -f ${srcdir}/$j/configure ; then
target_configdirs="${target_configdirs} $i"
fi
done
# Produce a warning message for the subdirs we can't configure.
# This isn't especially interesting in the Cygnus tree, but in the individual
# FSF releases, it's important to let people know when their machine isn't
# supported by the one or two programs in a package.
if test -n "${notsupp}" && test -z "${norecursion}" ; then
# If $appdirs is non-empty, at least one of those directories must still
# be configured, or we error out. (E.g., if the gas release supports a
# specified target in some subdirs but not the gas subdir, we shouldn't
# pretend that all is well.)
if test -n "$appdirs" ; then
for dir in $appdirs ; do
if test -r $dir/Makefile.in ; then
if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
appdirs=""
break
fi
if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
appdirs=""
break
fi
fi
done
if test -n "$appdirs" ; then
echo "*** This configuration is not supported by this package." 1>&2
exit 1
fi
fi
# Okay, some application will build, or we don't care to check. Still
# notify of subdirs not getting built.
echo "*** This configuration is not supported in the following subdirectories:" 1>&2
echo " ${notsupp}" 1>&2
echo " (Any other directories should still work fine.)" 1>&2
fi
case "$host" in
*msdosdjgpp*)
enable_gdbtk=no ;;
esac
copy_dirs=
# Handle --with-headers=XXX. If the value is not "yes", the contents of
# the named directory are copied to $(tooldir)/sys-include.
if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
if test x${is_cross_compiler} = xno ; then
echo 1>&2 '***' --with-headers is only supported when cross compiling
exit 1
fi
if test x"${with_headers}" != xyes ; then
case "${exec_prefixoption}" in
"") x=${prefix} ;;
*) x=${exec_prefix} ;;
esac
copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
fi
fi
# Handle --with-libs=XXX. If the value is not "yes", the contents of
# the name directories are copied to $(tooldir)/lib. Multiple directories
# are permitted.
if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
if test x${is_cross_compiler} = xno ; then
echo 1>&2 '***' --with-libs is only supported when cross compiling
exit 1
fi
if test x"${with_libs}" != xyes ; then
# Copy the libraries in reverse order, so that files in the first named
# library override files in subsequent libraries.
case "${exec_prefixoption}" in
"") x=${prefix} ;;
*) x=${exec_prefix} ;;
esac
for l in ${with_libs}; do
copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
done
fi
fi
# Handle ${copy_dirs}
set fnord ${copy_dirs}
shift
while test $# != 0 ; do
if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
:
else
echo Copying $1 to $2
# Use the install script to create the directory and all required
# parent directories.
if test -d $2 ; then
:
else
echo >config.temp
${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
fi
# Copy the directory, assuming we have tar.
# FIXME: Should we use B in the second tar? Not all systems support it.
(cd $1; tar -cf - .) | (cd $2; tar -xpf -)
# It is the responsibility of the user to correctly adjust all
# symlinks. If somebody can figure out how to handle them correctly
# here, feel free to add the code.
echo $1 > $2/COPIED
fi
shift; shift
done
extra_arflags_for_target=
extra_nmflags_for_target=
extra_ranlibflags_for_target=
......@@ -1279,25 +1479,6 @@ case "${host}" in
;;
esac
# If we aren't going to be using gcc, see if we can extract a definition
# of CC from the fragment.
# Actually, use the 'pre-extracted' version above.
if test -z "${CC}" && test "${build}" = "${host}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
found=
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/gcc; then
found=yes
break
fi
done
IFS="$save_ifs"
if test -z "${found}" && test -n "${tentative_cc}" ; then
CC=$tentative_cc
fi
fi
# Some systems (e.g., one of the i386-aix systems the gas testers are
# using) don't handle "\$" correctly, so don't use it here.
tooldir='${exec_prefix}'/${target_alias}
......@@ -1360,157 +1541,6 @@ do
test -n "$DEFAULT_LEX" && break
done
if test "${build}" != "${host}" ; then
# If we are doing a Canadian Cross, in which the host and build systems
# are not the same, we set reasonable default values for the tools.
BISON=${BISON-bison}
CC=${CC-${host_alias}-gcc}
CFLAGS=${CFLAGS-"-g -O2"}
CXX=${CXX-${host_alias}-c++}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
BUILD_PREFIX=${build_alias}-
BUILD_PREFIX_1=${build_alias}-
MAKEINFO=${MAKEINFO-makeinfo}
if test -z "${YACC}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/bison; then
YACC="bison -y"
break
fi
if test -f $dir/byacc; then
YACC=byacc
break
fi
if test -f $dir/yacc; then
YACC=yacc
break
fi
done
IFS="$save_ifs"
if test -z "${YACC}" ; then
YACC="bison -y"
fi
fi
if test -z "${LEX}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/flex; then
LEX=flex
break
fi
if test -f $dir/lex; then
LEX=lex
break
fi
done
IFS="$save_ifs"
LEX=${LEX-flex}
fi
else
# Set reasonable default values for some tools even if not Canadian.
# Of course, these are different reasonable default values, originally
# specified directly in the Makefile.
# We don't export, so that autoconf can do its job.
# Note that all these settings are above the fragment inclusion point
# in Makefile.in, so can still be overridden by fragments.
# This is all going to change when we autoconfiscate...
BISON="\$(USUAL_BISON)"
CC_FOR_BUILD="\$(CC)"
GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
BUILD_PREFIX=
BUILD_PREFIX_1=loser-
MAKEINFO="\$(USUAL_MAKEINFO)"
LEX="\$(USUAL_LEX)"
YACC="\$(USUAL_YACC)"
# If CC is still not set, try to get gcc.
cc_prog_is_gcc=
if test -z "${CC}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/gcc; then
CC="gcc"
cc_prog_is_gcc=yes
echo 'void f(){}' > conftest.c
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
CFLAGS=${CFLAGS-"-g -O2"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
else
CFLAGS=${CFLAGS-"-O2"}
CXXFLAGS=${CXXFLAGS-"-O2"}
fi
rm -f conftest*
break
fi
done
IFS="$save_ifs"
CC=${CC-cc}
else
# Determine if we are using gcc.
cat > conftest.c <<EOF
#ifdef __GNUC__
yes;
#endif
EOF
if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
cc_prog_is_gcc=yes
fi
rm -f conftest.c
if test -z "${CFLAGS}"; then
# Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
# is set to a version of gcc.
if test "$cc_prog_is_gcc" = yes; then
echo 'void f(){}' > conftest.c
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
CFLAGS=${CFLAGS-"-g -O2"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
else
CFLAGS=${CFLAGS-"-O2"}
CXXFLAGS=${CXXFLAGS-"-O2"}
fi
rm -f conftest*
fi
fi
fi
# We must set the default linker to the linker used by gcc for the correct
# operation of libtool. If LD is not defined and we are using gcc, try to
# set the LD default to the ld used by gcc.
if test -z "$LD"; then
if test "$cc_prog_is_gcc" = yes; then
case $build in
*-*-mingw*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
esac
case $gcc_prog_ld in
# Accept absolute paths.
[[\\/]* | [A-Za-z]:[\\/]*)]
LD="$gcc_prog_ld" ;;
esac
fi
fi
CXX=${CXX-"c++"}
CFLAGS=${CFLAGS-"-g"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
fi
# FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
# Set up the list of links to be made.
# ${links} is the list of link names, and ${files} is the list of names to link to.
......
gcc/ChangeLog
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* configure.ac: Remove code to detect languages,
it now lives exclusively in the top level.
* aclocal.m4 (gcc_AC_PROG_GNAT): Moved to the
top level, renamed to ACX_PROG_GNAT.
2004-03-10 Richard Henderson <rth@redhat.com>
* c-pch.c (c_common_no_more_pch): Update for gt_pch_use_address
......
gcc/aclocal.m4
......@@ -295,41 +295,6 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
AC_SUBST(INSTALL_DATA)dnl
])
dnl Test for GNAT.
dnl We require the gnatbind program, and a compiler driver that
dnl understands Ada. We use the user's CC setting, already found.
dnl
dnl Sets the shell variable have_gnat to yes or no as appropriate, and
dnl substitutes GNATBIND.
AC_DEFUN([gcc_AC_PROG_GNAT],
[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])
AC_REQUIRE([AC_PROG_CC])
AC_CHECK_TOOL(GNATBIND, gnatbind, no)
AC_CACHE_CHECK([whether compiler driver understands Ada],
gcc_cv_cc_supports_ada,
[cat >conftest.adb <<EOF
procedure conftest is begin null; end conftest;
EOF
gcc_cv_cc_supports_ada=no
# There is a bug in old released versions of GCC which causes the
# driver to exit successfully when the appropriate language module
# has not been installed. This is fixed in 2.95.4, 3.0.2, and 3.1.
# Therefore we must check for the error message as well as an
# unsuccessful exit.
errors=`(${CC} -c conftest.adb) 2>&1 || echo failure`
if test x"$errors" = x; then
gcc_cv_cc_supports_ada=yes
break
fi
rm -f conftest.*])
if test x$GNATBIND != xno && test x$gcc_cv_supports_ada != xno; then
have_gnat=yes
else
have_gnat=no
fi
])
dnl GCC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND [, PATH]])
dnl like AC_PATH_PROG but use other cache variables
AC_DEFUN([GCC_PATH_PROG],
......
gcc/ada/ChangeLog
2004-03-08 Paolo Bonzini <bonzini@gnu.org>
PR ada/14131
Move language detection to the top level.
* config-lang.in: Build by default.
2004-03-05 Robert Dewar <dewar@gnat.com>
* 56taprop.adb, 5ataprop.adb: Remove unneeded unchecked conversions
......
gcc/ada/config-lang.in
......@@ -39,9 +39,3 @@ gtfiles="\$(srcdir)/ada/ada-tree.h \$(srcdir)/ada/gigi.h \$(srcdir)/ada/decl.c \
outputs=ada/Makefile
target_libs="target-libada"
# The logic for determining whether there is a bootstrap Ada compiler
# available needs to be moved from gcc/configure to the toplevel configure,
# so that target-libada is not built when there is no bootstrap Ada compiler.
# Until then disable building this language by default.
build_by_default=no
gcc/configure.ac
......@@ -300,13 +300,6 @@ if test $ac_cv_c___int64 = yes; then
AC_COMPILE_CHECK_SIZEOF(__int64)
fi
# -----------------
# Find Ada compiler
# -----------------
# See if GNAT has been installed
gcc_AC_PROG_GNAT
# ---------------------
# Warnings and checking
# ---------------------
......@@ -613,6 +606,53 @@ esac],
[onestep=""])
AC_SUBST(onestep)
# Sanity check enable_languages in case someone does not run the toplevel
# configure # script.
AC_ARG_ENABLE(languages,
[ --enable-languages=LIST specify which front-ends to build],
[case ,${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$,\1,'`" ;;
esac
;;
changequote([,])dnl
esac
done
# -------------------------
# Checks for other programs
# -------------------------
......@@ -2661,131 +2701,6 @@ if test x$with_sysroot = x && test x$host = x$target \
[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])
else
enable_languages=all
fi
else
if test x"${enable_languages}" = x \
|| test x"${enable_languages}" = xyes;
then
AC_MSG_ERROR([--enable-languages needs at least one language argument])
fi
fi
enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
# First scan to see if an enabled language requires some other language.
# We assume that a given config-lang.in will list all the language
# front ends it requires, even if some are required indirectly.
for lang in ${srcdir}/*/config-lang.in
do
case $lang in
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
changequote(,)dnl
${srcdir}/[*]/config-lang.in)
;;
*)
lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang`
for other in $this_lang_requires
do
case ,${enable_languages}, in
*,$other,*)
;;
*,all,*)
;;
*,$lang_alias,*)
enable_languages="$enable_languages,$other"
;;
esac
done
;;
changequote([,])dnl
esac
done
expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
found_languages=
subdirs=
for lang in ${srcdir}/*/config-lang.in
do
case $lang in
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
changequote(,)dnl
${srcdir}/[*]/config-lang.in) ;;
*)
lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang`
build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang`
if test "x$lang_alias" = x
then
echo "$lang doesn't set \$language." 1>&2
exit 1
fi
case ${build_by_default},${enable_languages}, in
*,$lang_alias,*) add_this_lang=yes ;;
no,*) add_this_lang=no ;;
*,all,*) add_this_lang=yes ;;
*) add_this_lang=no ;;
esac
found_languages="${found_languages} ${lang_alias}"
if test x"${add_this_lang}" = xyes; then
case $lang in
${srcdir}/ada/config-lang.in)
if test x$have_gnat = xyes ; then
subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
fi
;;
*)
subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
;;
esac
fi
;;
changequote([,])dnl
esac
done
missing_languages=
for expected_language in ${expected_languages} ..
do
if test "${expected_language}" != ..; then
missing_language="${expected_language}"
if test "${expected_language}" = "c" \
|| test "${expected_language}" = "all"; then
missing_language=
fi
for found_language in ${found_languages} ..
do
if test "${found_language}" != ..; then
if test "${expected_language}" = "${found_language}"; then
missing_language=
fi
fi
done
if test "x${missing_language}" != x; then
missing_languages="${missing_languages} ${missing_language}"
fi
fi
done
if test "x$missing_languages" != x; then
AC_MSG_ERROR([
The following requested languages were not found:${missing_languages}
The following languages were available: c${found_languages}])
fi
# Find out what GC implementation we want, or may, use.
AC_ARG_WITH(gc,
[ --with-gc={page,zone} choose the garbage collection mechanism to use
......
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