+# Check whether --enable-abi-breaking-checks was given.
+if test "${enable_abi_breaking_checks+set}" = set; then
+ enableval=$enable_abi_breaking_checks;
+else
+ enableval="with-asserts"
+fi
+
+case "$enableval" in
+ with-asserts) if test ${assertions_enabled} = "yes" ; then
+
+cat >>confdefs.h <<\_ACEOF
+#define LLVM_ENABLE_ABI_BREAKING_CHECKS 1
+_ACEOF
+
+ ENABLE_ABI_BREAKING_CHECKS=1
+
+ else
+ ENABLE_ABI_BREAKING_CHECKS=0
+
+ fi ;;
+ yes)
+
+cat >>confdefs.h <<\_ACEOF
+#define LLVM_ENABLE_ABI_BREAKING_CHECKS 1
+_ACEOF
+
+ ENABLE_ABI_BREAKING_CHECKS=1
+
+ ;;
+ no)
+ ENABLE_ABI_BREAKING_CHECKS=0
+
+ ;;
+ *) { { echo "$as_me:$LINENO: error: Invalid setting for --enable-abi-breaking-checks. Use \"with-asserts\", \"yes\" or \"no\"" >&5
+echo "$as_me: error: Invalid setting for --enable-abi-breaking-checks. Use \"with-asserts\", \"yes\" or \"no\"" >&2;}
+ { (exit 1); exit 1; }; }
+esac
+