configure.ac: Set srcdir when sourcing config-lang.in fragments.

	* configure.ac: Set srcdir when sourcing config-lang.in fragments.
	* configure: Rebuilt.

	gcc/objcp/
	* config-lang.in: Source cp/config-lang.in, sort objc++ gtfiles list.

From-SVN: r249922

1 files changed, 10 insertions, 2 deletions

diff --git a/configure b/configure
index 084986f..8559fb6 100755
--- a/configure
+++ b/configure
@@ -6166,7 +6166,12 @@ if test -d ${srcdir}/gcc; then
         language=
         lang_requires=
         lang_requires_boot_languages=
-        . ${lang_frag}
+        # set srcdir during sourcing lang_frag to the gcc dir.
+        # Sadly overriding srcdir on the . line doesn't work in plain sh as it
+        # polutes this shell
+        saved_srcdir=${srcdir}
+        srcdir=${srcdir}/gcc . ${lang_frag}
+        srcdir=${saved_srcdir}
         for other in ${lang_requires} ${lang_requires_boot_languages}; do
           case ,${enable_languages}, in
 	    *,$other,*) ;;
@@ -6241,7 +6246,10 @@ if test -d ${srcdir}/gcc; then
         subdir_requires=
         boot_language=no
         build_by_default=yes
-        . ${lang_frag}
+        # set srcdir during sourcing.  See above about save & restore
+        saved_srcdir=${srcdir}
+        srcdir=${srcdir}/gcc . ${lang_frag}
+        srcdir=${saved_srcdir}
         if test x${language} = x; then
           echo "${lang_frag} doesn't set \$language." 1>&2
           exit 1