os_utils: fix non portable use of "defined"

see https://github.com/openscenegraph/OpenSceneGraph/issues/458
2018-01-25 16:49:05 +01:00
parent 753d86d6d8
commit 13d88c7fec
1 changed files with 4 additions and 3 deletions
--- a/src/osg/os_utils.cpp
+++ b/src/osg/os_utils.cpp
@@ -15,10 +15,11 @@

 extern "C" {

-#define USE_POSIX_SPAWN defined(__APPLE__)
-//#define USE_POSIX_SPAWN true
+#ifdef __APPLE__
+#define USE_POSIX_SPAWN 1
+#endif

-#if USE_POSIX_SPAWN
+#ifdef USE_POSIX_SPAWN

 #include <spawn.h>
 #include <sys/wait.h>