cmake: direct3d12 renderer needs d3d12.h and d3d12sdklayers.h
Older MinGW releases don't ship d3d12sdklayers.h
backport of 3af4f120d0e76cfd1121713414a12aca1ac2f588
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 063deb0..66cbd13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1811,7 +1811,12 @@
check_include_file(d3d9.h HAVE_D3D_H)
check_include_file(d3d11_1.h HAVE_D3D11_H)
- check_include_file(d3d12.h HAVE_D3D12_H)
+ check_c_source_compiles("
+ #include <d3d12.h>
+ #include <d3d12sdklayers.h>
+ ID3D12Device1 *device;
+ int main(int argc, char **argv) {return 0; }
+ " HAVE_D3D12_H)
check_include_file(ddraw.h HAVE_DDRAW_H)
check_include_file(dsound.h HAVE_DSOUND_H)
check_include_file(dinput.h HAVE_DINPUT_H)
