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authorIan Lance Taylor <iant@google.com>2010-11-21 01:56:30 +0000
committerIan Lance Taylor <iant@google.com>2010-11-21 01:56:30 +0000
commit77a5d6ccdf8de9ac7bd8178f290b943d2e396e11 (patch)
tree903f67074b23846b98ecbc26833cd4ad3bd2a8a0 /configure.ac
parent128691ed1bd73307acf6cade7d53fa1fb691474f (diff)
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* configure.ac: Only disable a language library if no language needs
it. Don't let --disable-libgcj uncondtionally disable libffi. * configure: Rebuild. Also moved ChangeLog entry to correct file.
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac24
1 files changed, 21 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index 1fd25aa..0a5c276 100644
--- a/configure.ac
+++ b/configure.ac
@@ -451,7 +451,8 @@ yes)
;;
no)
# Make sure we get it printed in the list of not supported target libs.
- noconfigdirs="$noconfigdirs ${libgcj}"
+ # Don't disable libffi, though, other languages use it.
+ noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
;;
esac
@@ -1765,6 +1766,9 @@ if test -d ${srcdir}/gcc; then
missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
potential_languages=,c,
+ enabled_target_libs=
+ disabled_target_libs=
+
for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
..) ;;
@@ -1842,17 +1846,20 @@ if test -d ${srcdir}/gcc; then
case $add_this_lang in
unsupported)
# Remove language-dependent dirs.
- eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
+ disabled_target_libs="$disabled_target_libs $target_libs"
+ noconfigdirs="$noconfigdirs $lang_dirs"
;;
no)
# Remove language-dependent dirs; still show language as supported.
- eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
+ disabled_target_libs="$disabled_target_libs $target_libs"
+ noconfigdirs="$noconfigdirs $lang_dirs"
potential_languages="${potential_languages}${language},"
;;
yes)
new_enable_languages="${new_enable_languages}${language},"
potential_languages="${potential_languages}${language},"
missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
+ enabled_target_libs="$enabled_target_libs $target_libs"
case "${boot_language}:,$enable_stage1_languages," in
yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
# Add to (comma-separated) list of stage 1 languages.
@@ -1870,6 +1877,17 @@ if test -d ${srcdir}/gcc; then
esac
done
+ # Add target libraries which are only needed for disabled languages
+ # to noconfigdirs.
+ if test -n "$disabled_target_libs"; then
+ for dir in $disabled_target_libs; do
+ case " $enabled_target_libs " in
+ *" ${dir} "*) ;;
+ *) noconfigdirs="$noconfigdirs $dir" ;;
+ esac
+ done
+ fi
+
AC_ARG_ENABLE(stage1-languages,
[ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
stage1. Mostly useful for compiler development.],