Clear headers and lib2funcs before re-reading config-lang.in.

From-SVN: r14439

diff --git a/gcc/configure.in b/gcc/configure.in
index 5fe8aa81ae741fd324c76d2e17f2626e7aac089c..c71624c153ba9f21d7029292c67565953f2d2b51 100644 (file)
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -2903,6 +2903,8 @@ do
                                compilers=
                                stagestuff=
                                diff_excludes=
+                               headers=
+                               lib2funcs=
                                . ${mainsrcdir}/$s/config-lang.in
                                if [[ "x$language" = x ]]
                                then