diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/configure.in b/configure.in index b9e1b71..f79d9a3 100644 --- a/configure.in +++ b/configure.in @@ -948,6 +948,55 @@ if [ x$with_gnu_as = xno ]; then noconfigdirs="$noconfigdirs gas" fi +# Figure out what language subdirectories are present. +# Look if the user specified --enable-languages="..."; if not, use +# the environment variable $LANGUAGES if defined. $LANGUAGES might +# go away some day. +if test x"${enable_languages+set}" != xset; then + if test x"${LANGUAGES+set}" = xset; then + enable_languages="`echo ${LANGUAGES} | tr ' ' ','`" + else + enable_languages=all + fi +else + if test x"${enable_languages}" = x; then + echo configure.in: --enable-languages needs at least one argument 1>&2 + exit 1 + fi +fi +subdirs= +for lang in ${srcdir}/gcc/*/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. + ${srcdir}/gcc/[*]/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 + *,$lang_alias,*) add_this_lang=yes ;; + no,*) add_this_lang=no ;; + *,all,*) add_this_lang=yes ;; + *) add_this_lang=no ;; + esac + if test x"${add_this_lang}" = xyes; then + eval target_libs='"$target_libs "'\"$this_lang_libs\" + else + eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs\" + fi + ;; + 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. |