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Posted to commits@lucy.apache.org by nw...@apache.org on 2017/02/08 15:06:43 UTC

[2/2] lucy-charmonizer git commit: Check for stdatomic.h

Check for stdatomic.h

Also simplify check for OSAtomicCompareAndSwapPtr.


Project: http://git-wip-us.apache.org/repos/asf/lucy-charmonizer/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucy-charmonizer/commit/af5da8c9
Tree: http://git-wip-us.apache.org/repos/asf/lucy-charmonizer/tree/af5da8c9
Diff: http://git-wip-us.apache.org/repos/asf/lucy-charmonizer/diff/af5da8c9

Branch: refs/heads/master
Commit: af5da8c9a8672808fc0682132efe0fbc57aeca09
Parents: 00ca462
Author: Nick Wellnhofer <we...@aevum.de>
Authored: Wed Feb 8 15:44:38 2017 +0100
Committer: Nick Wellnhofer <we...@aevum.de>
Committed: Wed Feb 8 15:44:38 2017 +0100

----------------------------------------------------------------------
 src/Charmonizer/Probe/AtomicOps.c | 23 ++++++-----------------
 1 file changed, 6 insertions(+), 17 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucy-charmonizer/blob/af5da8c9/src/Charmonizer/Probe/AtomicOps.c
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diff --git a/src/Charmonizer/Probe/AtomicOps.c b/src/Charmonizer/Probe/AtomicOps.c
index 49c974a..256b4f3 100644
--- a/src/Charmonizer/Probe/AtomicOps.c
+++ b/src/Charmonizer/Probe/AtomicOps.c
@@ -23,32 +23,21 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-
-static int
-chaz_AtomicOps_osatomic_cas_ptr(void) {
-    static const char osatomic_casptr_code[] =
-        CHAZ_QUOTE(  #include <libkern/OSAtomic.h>                                  )
-        CHAZ_QUOTE(  #include <libkern/OSAtomic.h>                                  )
-        CHAZ_QUOTE(  int main() {                                                   )
-        CHAZ_QUOTE(      int  foo = 1;                                              )
-        CHAZ_QUOTE(      int *foo_ptr = &foo;                                       )
-        CHAZ_QUOTE(      int *target = NULL;                                        )
-        CHAZ_QUOTE(      OSAtomicCompareAndSwapPtr(NULL, foo_ptr, (void**)&target); )
-        CHAZ_QUOTE(      return 0;                                                  )
-        CHAZ_QUOTE(  }                                                              );
-     return chaz_CC_test_compile(osatomic_casptr_code);
-}
-
 void
 chaz_AtomicOps_run(void) {
     chaz_ConfWriter_start_module("AtomicOps");
 
+    if (chaz_HeadCheck_check_header("stdatomic.h")) {
+        chaz_ConfWriter_add_def("HAS_STDATOMIC_H", NULL);
+    }
     if (chaz_HeadCheck_check_header("libkern/OSAtomic.h")) {
         chaz_ConfWriter_add_def("HAS_LIBKERN_OSATOMIC_H", NULL);
 
         /* Check for OSAtomicCompareAndSwapPtr, introduced in later versions
          * of OSAtomic.h. */
-        if (chaz_AtomicOps_osatomic_cas_ptr()) {
+        if (chaz_HeadCheck_defines_symbol("OSAtomicCompareAndSwapPtr",
+                                          "#include <libkern/OSAtomic.h>")
+           ) {
             chaz_ConfWriter_add_def("HAS_OSATOMIC_CAS_PTR", NULL);
         }
     }