summaryrefslogtreecommitdiff
path: root/configure
diff options
context:
space:
mode:
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure27
1 files changed, 27 insertions, 0 deletions
diff --git a/configure b/configure
index 8dc009a..a5c1763 100755
--- a/configure
+++ b/configure
@@ -16233,6 +16233,33 @@ fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
+# Check for __builtin_expect()
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_expect()" >&5
+$as_echo_n "checking for __builtin_expect()... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+return __builtin_expect(main != 0, 1)
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+$as_echo "#define HAVE_BUILTIN_EXPECT 1" >>confdefs.h
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+
# Check if __environ is available (for GetenvBeforeMain)
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __environ" >&5
$as_echo_n "checking for __environ... " >&6; }