Made raylib work with emscripten by importing env.o lib when ARCH i…

…s WASM. Also added raylib WASM lib, but that is for use with emcc after compilation of object file.

vendor/raylib/raygui.odin

@@ -22,6 +22,13 @@ when ODIN_OS == .Windows {
 			"macos/libraygui.dylib" when RAYGUI_SHARED else "macos/libraygui.a",
 		}
 	}
+} else when ODIN_ARCH == .wasm32 || ODIN_ARCH == .wasm64p32 {
+	// `env.o` is emscripten's internal environment object file. You will link
+	// `wasm/libraylib.a` later as part of your call to `emcc`.
+
+	// TODO: Does this actually need a `wasm/libraygui.a` file? We have to
+	// compile that one ourselves.
+	foreign import lib "env.o"
 } else {
 	foreign import lib "system:raygui"
 }

vendor/raylib/raylib.odin

@@ -127,6 +127,10 @@ when ODIN_OS == .Windows {
 		"system:OpenGL.framework",
 		"system:IOKit.framework",
 	} 
+} else when ODIN_ARCH == .wasm32 || ODIN_ARCH == .wasm64p32 {
+	// `env.o` is emscripten's internal environment object file. You will link
+	// `wasm/libraylib.a` later as part of your call to `emcc`.
+	foreign import lib "env.o"
 } else {
 	foreign import lib "system:raylib"
 }

vendor/raylib/rlgl/rlgl.odin

@@ -145,6 +145,10 @@ when ODIN_OS == .Windows {
 		"system:OpenGL.framework",
 		"system:IOKit.framework",
 	} 
+} else when ODIN_ARCH == .wasm32 || ODIN_ARCH == .wasm64p32 {
+	// `env.o` is emscripten's internal environment object file. You will link
+	// `wasm/libraylib.a` later as part of your call to `emcc`.
+	foreign import lib "env.o"
 } else {
 	foreign import lib "system:raylib"
 }