Adding upstream version 3.2.3+dfsg.upstream/3.2.3+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/m4/fr_have_builtin_choose_expr.m4 b/m4/fr_have_builtin_choose_expr.m4
new file mode 100644
index 0000000..950bc55
--- /dev/null
+++ b/m4/fr_have_builtin_choose_expr.m4
@@ -0,0 +1,24 @@
+dnl #
+dnl #  Check if we have the choose expr builtin
+dnl #
+AC_DEFUN([FR_HAVE_BUILTIN_CHOOSE_EXPR],
+[
+  AC_CACHE_CHECK([for __builtin_choose_expr support in compiler], [ax_cv_cc_builtin_choose_expr],[
+    AC_RUN_IFELSE(
+      [
+        AC_LANG_SOURCE(
+        [
+          int main(int argc, char **argv) {
+            if ((argc < 0) || !argv) return 1; /* -Werror=unused-parameter */
+            return __builtin_choose_expr(0, 1, 0);
+          }
+        ])
+      ],
+      [ax_cv_cc_builtin_choose_expr=yes],
+      [ax_cv_cc_builtin_choose_expr=no]
+    )
+  ])
+  if test "x$ax_cv_cc_builtin_choose_expr" = "xyes"; then
+    AC_DEFINE([HAVE_BUILTIN_CHOOSE_EXPR],1,[Define if the compiler supports __builtin_choose_expr])
+  fi
+])