* configure.ac: Fix --enable-languages=all.

From-SVN: r190945

ChangeLog

+2012-09-04  Jason Merrill  <jason@redhat.com>
+
+	* configure.ac: Fix --enable-languages=all.
+
 2012-09-04  Christophe Lyon  <christophe.lyon@st.com>
 
 	* MAINTAINERS (Write After Approval): Add myself.

configure

@@ -6112,6 +6112,7 @@ if test -d ${srcdir}/gcc; then
 	  boot_language=yes
 	fi
 
+        add_this_lang=no
         case ,${enable_languages}, in
           *,${language},*)
             # Language was explicitly selected; include it
@@ -6122,10 +6123,9 @@ if test -d ${srcdir}/gcc; then
             ;;
           *,all,*)
             # 'all' was selected, select it if it is a default language
-            add_this_lang=${build_by_default}
-            ;;
-          *)
-            add_this_lang=no
+	    if test "$language" != "c"; then
+	      add_this_lang=${build_by_default}
+	    fi
             ;;
         esac
 

configure.ac

@@ -1758,6 +1758,7 @@ if test -d ${srcdir}/gcc; then
 	  boot_language=yes
 	fi
 
+        add_this_lang=no
         case ,${enable_languages}, in
           *,${language},*)
             # Language was explicitly selected; include it
@@ -1768,10 +1769,9 @@ if test -d ${srcdir}/gcc; then
             ;;
           *,all,*)
             # 'all' was selected, select it if it is a default language
-            add_this_lang=${build_by_default}
-            ;;
-          *)
-            add_this_lang=no
+	    if test "$language" != "c"; then
+	      add_this_lang=${build_by_default}
+	    fi
             ;;
         esac