about summary refs log tree commit diff
path: root/third_party/glog/m4/ac_have_builtin_expect.m4
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/glog/m4/ac_have_builtin_expect.m4')
-rw-r--r--third_party/glog/m4/ac_have_builtin_expect.m414
1 files changed, 0 insertions, 14 deletions
diff --git a/third_party/glog/m4/ac_have_builtin_expect.m4 b/third_party/glog/m4/ac_have_builtin_expect.m4
deleted file mode 100644
index e91b6fd987ed..000000000000
--- a/third_party/glog/m4/ac_have_builtin_expect.m4
+++ /dev/null
@@ -1,14 +0,0 @@
-AC_DEFUN([AX_C___BUILTIN_EXPECT], [
-  AC_MSG_CHECKING(for __builtin_expect)
-  AC_CACHE_VAL(ac_cv___builtin_expect, [
-    AC_TRY_COMPILE(
-      [int foo(void) { if (__builtin_expect(0, 0)) return 1; return 0; }],
-      [],
-      ac_cv___builtin_expect=yes,
-      ac_cv___builtin_expect=no
-    )])
-  if test "$ac_cv___builtin_expect" = "yes"; then
-    AC_DEFINE(HAVE___BUILTIN_EXPECT, 1, [define if your compiler has __builtin_expect])
-  fi
-  AC_MSG_RESULT($ac_cv___builtin_expect)
-])