build: Support compilation with MinGW

Author: charles-lunarg

scripts/update_deps.py

@@ -498,7 +498,7 @@ def CMakeConfig(self, repos):
 
         # Use the CMake -A option to select the platform architecture
         # without needing a Visual Studio generator.
-        if platform.system() == 'Windows' and self._args.generator != "Ninja":
+        if platform.system() == 'Windows' and not self._args.generator in ["Ninja", "MinGW Makefiles"]:
             cmake_cmd.append('-A')
             if self._args.arch.lower() == '64' or self._args.arch == 'x64' or self._args.arch == 'win64':
                 cmake_cmd.append('x64')

tests/CMakeLists.txt

@@ -29,6 +29,11 @@ if (ANDROID)
     return()
 endif()
 
+# Testing isn't supported with mingw
+if (MINGW)
+    return()
+endif()
+
 find_package(VulkanLoader CONFIG)
 
 find_package(GTest REQUIRED CONFIG QUIET)