From: Igor Sysoev <igor@sysoev.ru>
Date: Tue, 30 Aug 2016 09:11:24 +0000 (+0300)
Subject: C language features have been enabled.
X-Git-Tag: 0.1.2~9
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/static/gitweb.js?a=commitdiff_plain;h=27ec588f05d6a83d5ad6e7574a53bfd4e9058efd;p=njs.git

C language features have been enabled.
---

diff --git a/nxt/auto/clang b/nxt/auto/clang
index 6ca47c1c..19df1232 100644
--- a/nxt/auto/clang
+++ b/nxt/auto/clang
@@ -162,3 +162,89 @@ cat << END >> $NXT_MAKEFILE_CONF
 NXT_CC =	${CC}
 NXT_CFLAGS =	${CFLAGS} ${NXT_CFLAGS}
 END
+
+
+# C language features.
+
+nxt_feature="GCC __builtin_expect()"
+nxt_feature_name=NXT_HAVE_BUILTIN_EXPECT
+nxt_feature_run=no
+nxt_feature_incs=
+nxt_feature_libs=
+nxt_feature_test="int main(int argc, char *const *argv) {
+                      if ((__typeof__(argc == 0))
+                                   __builtin_expect((argc == 0), 0))
+                          return 0;
+                      return 1;
+                  }"
+. ${NXT_AUTO}feature
+
+
+nxt_feature="GCC __builtin_unreachable()"
+nxt_feature_name=NXT_HAVE_BUILTIN_UNREACHABLE
+nxt_feature_run=no
+nxt_feature_incs=
+nxt_feature_libs=
+nxt_feature_test="int main() {
+                      __builtin_unreachable();
+                  }"
+. ${NXT_AUTO}feature
+
+
+nxt_feature="GCC __builtin_prefetch()"
+nxt_feature_name=NXT_HAVE_BUILTIN_PREFETCH
+nxt_feature_run=no
+nxt_feature_incs=
+nxt_feature_libs=
+nxt_feature_test="int main() {
+                      __builtin_prefetch(0);
+                  }"
+. ${NXT_AUTO}feature
+
+
+nxt_feature="GCC __attribute__ visibility"
+nxt_feature_name=NXT_HAVE_GCC_ATTRIBUTE_VISIBILITY
+nxt_feature_run=
+nxt_feature_path=
+nxt_feature_libs=
+nxt_feature_test="int n __attribute__ ((visibility(\"default\")));
+
+                  int main() {
+                      return 1;
+                  }"
+. ${NXT_AUTO}feature
+
+
+nxt_feature="GCC __attribute__ aligned"
+nxt_feature_name=NXT_HAVE_GCC_ATTRIBUTE_ALIGNED
+nxt_feature_run=
+nxt_feature_path=
+nxt_feature_libs=
+nxt_feature_test="int n __attribute__ ((aligned(64)));
+
+                  int main() {
+                      return 1;
+                  }"
+. ${NXT_AUTO}feature
+
+
+nxt_feature="GCC __attribute__ malloc"
+nxt_feature_name=NXT_HAVE_GCC_ATTRIBUTE_MALLOC
+nxt_feature_run=
+nxt_feature_path=
+nxt_feature_libs=
+nxt_feature_test="#include <stdlib.h>
+
+                  void *f(void) __attribute__ ((__malloc__));
+
+                  void *f(void) {
+                      return malloc(1);
+                  }
+
+                  int main() {
+                      if (f() != NULL) {
+                          return 1;
+                      }
+                      return 0;
+                  }"
+. ${NXT_AUTO}feature