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new 406bfd3 Detect whether we need -latomic or not. Fix mips build
406bfd3 is described below
commit 406bfd3433dfb81ae86acfd1b240cd1e8ef9d0a7
Author: Jean Baptiste Favre <[email protected]>
AuthorDate: Sun Nov 18 22:56:55 2018 +0100
Detect whether we need -latomic or not. Fix mips build
---
build/atomic.m4 | 38 ++++++++++++++++++++++++++++++++++++++
configure.ac | 5 +++++
2 files changed, 43 insertions(+)
diff --git a/build/atomic.m4 b/build/atomic.m4
new file mode 100644
index 0000000..266eb29
--- /dev/null
+++ b/build/atomic.m4
@@ -0,0 +1,38 @@
+dnl -------------------------------------------------------- -*- autoconf -*-
+dnl Licensed to the Apache Software Foundation (ASF) under one or more
+dnl contributor license agreements. See the NOTICE file distributed with
+dnl this work for additional information regarding copyright ownership.
+dnl The ASF licenses this file to You under the Apache License, Version 2.0
+dnl (the "License"); you may not use this file except in compliance with
+dnl the License. You may obtain a copy of the License at
+dnl
+dnl http://www.apache.org/licenses/LICENSE-2.0
+dnl
+dnl Unless required by applicable law or agreed to in writing, software
+dnl distributed under the License is distributed on an "AS IS" BASIS,
+dnl WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+dnl See the License for the specific language governing permissions and
+dnl limitations under the License.
+
+dnl -----------------------------------------------------------------
+dnl atomic.m4: Trafficserver's autoconf macros for testing atomic support
+dnl
+
+dnl
+dnl TS_CHECK_ATOMIC: try to figure out the need for -latomic
+dnl
+AC_DEFUN([TS_CHECK_ATOMIC], [
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[#include <stdint.h>]],
+ [[uint64_t val = 0; __atomic_add_fetch(&val, 1,
__ATOMIC_RELAXED);]])],
+ [AC_DEFINE(HAVE_ATOMIC, 1, [Define to 1 if you have '__atomic' functions.])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[#include <stdint.h>]],
+ [[uint64_t val = 0; __atomic_add_fetch(&val, 1,
__ATOMIC_RELAXED);]])],
+ [ATOMIC_LIBS=""],
+ [ATOMIC_LIBS="-latomic"]
+ )],
+ [ATOMIC_LIBS=""]
+ )
+ AC_SUBST([ATOMIC_LIBS])
+])
diff --git a/configure.ac b/configure.ac
index eb89e5c..5a8245d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1167,6 +1167,11 @@ CFLAGS="$__saved_CFLAGS"
AC_SUBST([CURSES_LDFLAGS],[$curses_ldflags])
#
+# Check for -latomic need (at least for mips arch)
+TS_CHECK_ATOMIC
+TS_ADDTO([LDFLAGS], [$ATOMIC_LIBS])
+
+#
# Check for SSL presence and usability
TS_CHECK_CRYPTO
