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authorRoland McGrath <roland@gnu.org>2004-08-26 21:26:59 +0000
committerRoland McGrath <roland@gnu.org>2004-08-26 21:26:59 +0000
commitc80e931a05aa0ade0feb5da3daba419e6bc7adeb (patch)
tree9de92826383cecc4e90bd335cbb76092ed8baae3 /configure.in
parentc312980a4a3a4b4d8ed535a94a177950dcdd959c (diff)
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* configure.in (add_ons_automatic): New variable, set to yes or no
indicating --enable-add-ons with no explicit list. (running add-on fragments): Allow a fragment to modify $libc_add_on and have that affect its place in the list of add-ons to use. * configure: Regenerated.
Diffstat (limited to 'configure.in')
-rw-r--r--configure.in15
1 files changed, 12 insertions, 3 deletions
diff --git a/configure.in b/configure.in
index e6976ce7f5..e8f2926382 100644
--- a/configure.in
+++ b/configure.in
@@ -175,10 +175,12 @@ AC_ARG_ENABLE([add-ons],
[configure and build add-ons in DIR1,DIR2,... search for add-ons if no parameter given]),
[case "$enableval" in
yes) add_ons=`cd $srcdir && echo */configure | sed -e 's!/configure!!g'`
+ add_ons_automatic=yes
test "$add_ons" = "*" && add_ons= ;;
- *) add_ons=`echo "$enableval" | sed 's/,/ /g'`;;
+ *) add_ons=`echo "$enableval" | sed 's/,/ /g'`
+ add_ons_automatic=no ;;
esac],
- [add_ons=])
+ [add_ons= add_ons_automatic=no])
dnl Let the user avoid using TLS. Don't know why but...
dnl XXX For now we disable support by default.
@@ -363,7 +365,11 @@ if test x"$add_ons" != x; then
done
# Now source each add-on's configure fragment.
- # The fragments can use $srcdir/$libc_add_on to find themselves.
+ # The fragments can use $srcdir/$libc_add_on to find themselves,
+ # and test $add_ons_automatic to see if they were explicitly requested.
+ # A fragment can clear (or even change) $libc_add_on to affect
+ # whether it goes into the list to be actually used in the build.
+ use_add_ons=
for libc_add_on in $add_ons; do
libc_add_on_frag=$srcdir/$libc_add_on/configure
if test -r $libc_add_on_frag; then
@@ -372,7 +378,10 @@ if test x"$add_ons" != x; then
else
AC_MSG_WARN(add-on fragment $libc_add_on_frag missing)
fi
+ use_add_ons="$use_add_ons $libc_add_on"
done
+ # Use echo to strip excess whitespace.
+ add_ons="`echo $use_add_ons`"
fi
AC_SUBST(add_ons)