OpenTTD-patches/cmake/FindUcontext.cmake
Jonathan G Rennison 39eaa94435 CMake: Add ucontext
2020-06-28 21:57:02 +01:00

24 lines
458 B
CMake

include(CheckCXXSourceCompiles)
check_cxx_source_compiles("
#include <ucontext.h>
int main() {
ucontext_t context;
#if defined(__x86_64__)
void *ptr = (void *) context.uc_mcontext.gregs[REG_RIP];
#elif defined(__i386)
void *ptr = (void *) context.uc_mcontext.gregs[REG_EIP];
#else
#error Unknown arch
#endif
return 0;
}"
UCONTEXT_FOUND
)
if (UCONTEXT_FOUND)
add_compile_options(
-DWITH_UCONTEXT
)
endif (UCONTEXT_FOUND)