cmake HAS_VA_COPY examples

Farama-Foundation/ViZDoom src/vizdoom/src/CMakeLists.txt :359 

CHECK_CXX_SOURCE_COMPILES(
	"#include <stdarg.h>
	int main() { va_list list1, list2; va_copy(list1, list2); return 0; }"
	HAS_VA_COPY )

Farama-Foundation/ViZDoom src/vizdoom/src/CMakeLists.txt :373 

endif( NOT HAS_VA_COPY )

umuthopeyildirim/DOOM-Mistral src/vizdoom/src/CMakeLists.txt :360 

CHECK_CXX_SOURCE_COMPILES(
	"#include <stdarg.h>
	int main() { va_list list1, list2; va_copy(list1, list2); return 0; }"
	HAS_VA_COPY )

umuthopeyildirim/DOOM-Mistral src/vizdoom/src/CMakeLists.txt :374 

endif( NOT HAS_VA_COPY )