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configure.in: Allow config-lang.in to set `lang_requires' to list of other required languages.

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* configure.in: Allow config-lang.in to set `lang_requires' to list
	of other required languages.

From-SVN: r40309
This commit is contained in:
Tom Tromey
2001-03-07 22:51:02 +00:00
committed by Tom Tromey
parent 75382c6dc6
commit 6a556ad682
2 changed files with 38 additions and 1 deletions
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5
ChangeLog
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@@ -1,3 +1,8 @@
2001-03-07 Tom Tromey <tromey@redhat.com>
* configure.in: Allow config-lang.in to set `lang_requires' to list
of other required languages.
2001-03-06 Laurynas Biveinis <lauras@softhome.net>
* Makefile.in: Remove RANLIB definition. Use RANLIB

34
configure.in
View File

@@ -993,6 +993,39 @@ else
exit 1
fi
fi
# 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}/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_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
*,$other,*)
;;
*,all,*)
;;
*)
echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
enable_languages="$enable_languages,$other"
;;
esac
done
;;
esac
done
subdirs=
for lang in ${srcdir}/gcc/*/config-lang.in ..
do
@@ -1026,7 +1059,6 @@ do
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.