FGFS-4.1/OpenSceneGraph
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Removed the OSG_SYSTEM_SUPPORTED cmake var and added use of posix_spawn under Apple with C system function used elsewhere.

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This commit is contained in:
Robert Osfield 2018-01-23 11:43:55 +00:00
parent 022d1df97d
commit e49aaa9f2c
3 changed files with 19 additions and 6 deletions
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1
CMakeLists.txt
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@ -480,7 +480,6 @@ OPTION(OSG_USE_REF_PTR_IMPLICIT_OUTPUT_CONVERSION "Set to ON to use the ref_ptr<
OPTION(OSG_USE_REF_PTR_SAFE_DEREFERENCE "Set to ON to throw an exception whenever ref_ptr<> is dereferenced or called. " OFF)
OPTION(OSG_ENVVAR_SUPPORTED "Set to ON to build OpenSceneGraph with the OSG_ENVVAR_SUPPOERTED #define enabled to enable use of getenv() related functions." ON)
OPTION(OSG_SYSTEM_SUPPORTED "Set to ON to build OpenSceneGraph with the OSG_SYSTEM_SUPPOERTED #define enabled to enable use of system() related functions." ON)

1
src/osg/Config.in
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@ -35,6 +35,5 @@
#cmakedefine OSG_PROVIDE_READFILE
#cmakedefine OSG_USE_DEPRECATED_API
#cmakedefine OSG_ENVVAR_SUPPORTED
#cmakedefine OSG_SYSTEM_SUPPORTED
#endif

23
src/osg/os_utils.cpp
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@ -15,14 +15,29 @@
extern "C" {
#define USE_POSIX_SPAWN defined(__APPLE__)
//#define USE_POSIX_SPAWN true
#if USE_POSIX_SPAWN
#include <spawn.h>
#include <sys/wait.h>
int osg_system(const char* command)
{
pid_t pid;
posix_spawn(&pid, command, NULL, NULL, NULL, NULL);
return waitpid(pid, NULL, 0);
}
#else // use tranditional C sysmtem call for osg_system implementation
int osg_system(const char* command)
{
#ifdef OSG_SYSTEM_SUPPORTED
return system(command);
#else
printf("osg_system(%s) not supported.\n", command);
}
#endif
}
}