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authorRichard Henderson <rth@redhat.com>2011-11-08 08:06:25 -0800
committerRichard Henderson <rth@gcc.gnu.org>2011-11-08 08:06:25 -0800
commit01f3428cafc13f5ae765d304494cac750892bb80 (patch)
tree257f6d91d2117a12fa1ed620ee8ebfeabd03a360 /libitm/configure.ac
parentf2906a8e9e0ed8aba6a7e39a1986f785e9d467f1 (diff)
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Check for libitm support at top-level.
From-SVN: r181168
Diffstat (limited to 'libitm/configure.ac')
-rw-r--r--libitm/configure.ac4
1 files changed, 4 insertions, 0 deletions
diff --git a/libitm/configure.ac b/libitm/configure.ac
index 7f35b15..dea7038 100644
--- a/libitm/configure.ac
+++ b/libitm/configure.ac
@@ -224,6 +224,10 @@ LIBITM_CHECK_SIZE_T_MANGLING
# Get target configury.
. ${srcdir}/configure.tgt
+if test -n "$UNSUPPORTED"; then
+ AC_MSG_ERROR([Configuration ${target} is unsupported.])
+fi
+
CFLAGS="$save_CFLAGS $XCFLAGS"
# Check for __sync_val_compare_and_swap, but only after the target has