Taken from:
http://svnweb.freebsd.org/ports/head/devel/simgear/files/
# isnan might not be real symbol, so can't check using function_exists
check_cxx_source_compiles(
"#include <cmath>
- void f() { isnan(0.0);} "
+ int main() { return isnan(0.0);} "
HAVE_ISNAN)
check_cxx_source_compiles(
"#include <cmath>
- void f() { std::isnan(0.0);} "
+ int main() { return std::isnan(0.0);} "
HAVE_STD_ISNAN)
if(CMAKE_COMPILER_IS_GNUCXX)
/* OpenGL headers */
-#if defined(VG_API_LINUX)
+#if defined(VG_API_LINUX) || defined(VG_API_FREEBSD)
#include <GL/gl.h>
#include <GL/glx.h>
#elif defined(VG_API_MACOSX)
#include <simgear/sg_inlines.h>
#include <simgear/threads/SGThread.hxx>
#include <simgear/threads/SGGuard.hxx>
+
+#include <cstdlib> // for malloc
namespace simgear
{