inital, almost working cross-compilation setup with Visual Studio and cmake

prebuilt/linux/SDL3-static/lib/pkgconfig/sdl3.pc

@@ -0,0 +1,13 @@
+prefix=/mnt/c/Users/Colin/source/repos/cross-compilation-cmake/prebuilt/linux/SDL3-static
+exec_prefix=${prefix}
+libdir=${prefix}/lib
+includedir=${prefix}/include
+
+Name: sdl3
+Description: Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer.
+URL: https://www.libsdl.org/
+Version: 3.5.0
+Requires.private: 
+Conflicts:
+Libs: -L${libdir}  -lSDL3   -pthread -lm -ldl
+Cflags: -I${includedir}