PR libstdc++/51504

[pf3gnuchains/gcc-fork.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a5034b2..57d5382 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -518,6 +518,12 @@ case "${target}" in
   powerpc-*-aix* | rs6000-*-aix*)
     noconfigdirs="$noconfigdirs target-libssp"
     ;;
+  rl78-*-*)
+    # libssp uses a misaligned load to trigger a fault, but the RL78
+    # doesn't fault for those - instead, it gives a build-time error
+    # for explicit misaligned loads.
+    noconfigdirs="$noconfigdirs target-libssp"
+    ;;
 esac
 
 # Disable libstdc++-v3 for some systems.
@@ -1976,6 +1982,14 @@ case ,${enable_languages},:${enable_objc_gc} in
     ;;
 esac
 
+# Disable libitm if we're not building C++
+case ,${enable_languages}, in
+  *,c++,*) ;;
+  *)
+    noconfigdirs="$noconfigdirs target-libitm"
+    ;;
+esac
+
 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
 # $build_configdirs and $target_configdirs.
 # If we have the source for $noconfigdirs entries, add them to $notsupp.
@@ -2291,10 +2305,6 @@ case "${target}" in
     extra_arflags_for_target=" -X32_64"
     extra_nmflags_for_target=" -B -X32_64"
     ;;
-  *-*-darwin[[3-9]]*)
-    # ranlib before Darwin10 requires the -c flag to look at common symbols.
-    extra_ranlibflags_for_target=" -c"
-    ;;
 esac
 
 alphaieee_frag=/dev/null