Only allow e500 double in SPE_SIMD_REGNO_P registers.

[gcc.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index f96e0f278d861587dc195cebca0ff983b5fc62e9..573109277ae6b5d3af5bae3d9352aac522b41665 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -772,6 +772,13 @@ case "${target}" in
     ;; 
 esac
 
+# Disable the go frontend on systems where it is known to not work.
+case "${target}" in
+*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
+    unsupported_languages="$unsupported_languages go"
+    ;;
+esac
+
 # Disable libgo for some systems where it is known to not work.
 # For testing, you can easily override this with --enable-libgo.
 if test x$enable_libgo = x; then
@@ -2915,8 +2922,10 @@ AC_ARG_VAR([target_configargs],
 
 # For the build-side libraries, we just need to pretend we're native,
 # and not use the same cache file.  Multilibs are neither needed nor
-# desired.
-build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
+# desired.  We can't even use the same cache file for all build-side
+# libraries, as they're compiled differently; some with C, some with
+# C++ or with different feature-enabling options.
+build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
 
 # For host modules, accept cache file option, or specification as blank.
 case "${cache_file}" in