better Makefile

Author: ynotstartups

Makefile

@@ -1,15 +1,16 @@
+EM_CXX_FLAG := -s DEMANGLE_SUPPORT=1 -s EXPORTED_FUNCTIONS='["_make_bin"]' -s EXTRA_EXPORTED_RUNTIME_METHODS='["ccall", "cwrap", "FS_createDataFile", "FS_readFile", "FS_unlink"]' -s ALLOW_MEMORY_GROWTH=1
+O3 := -O3
+WASM := -s WASM=1
+
 all:
 	g++ stl2gltf.cpp -std=c++11 -stdlib=libc++ -I .
 release:
-	g++ stl2gltf.cpp -std=c++11 -stdlib=libc++ -O3 -I .
+	g++ stl2gltf.cpp -std=c++11 -stdlib=libc++ -I . ${O3}
 em:
-	em++ stl2gltf.cpp -std=c++11 -stdlib=libc++-s -s DEMANGLE_SUPPORT=1 -I .  -s EXPORTED_FUNCTIONS='["_make_bin"]' -s EXTRA_EXPORTED_RUNTIME_METHODS='["ccall", "cwrap", "FS_createDataFile", "FS_readFile"]'  -s TOTAL_MEMORY=128MB
-
+	em++ stl2gltf.cpp -std=c++11 -stdlib=libc++ -I . ${EM_CXX_FLAG}
 em_release:
-	em++ stl2gltf.cpp -std=c++11 -stdlib=libc++-s -s DEMANGLE_SUPPORT=1 -I .  -s EXPORTED_FUNCTIONS='["_make_bin"]' -s EXTRA_EXPORTED_RUNTIME_METHODS='["ccall", "cwrap", "FS_createDataFile", "FS_readFile"]' -O3  -s TOTAL_MEMORY=128MB
-
+	em++ stl2gltf.cpp -std=c++11 -stdlib=libc++ -I . ${EM_CXX_FLAG} ${O3}
 wasm:
-	em++ stl2gltf.cpp -std=c++11 -stdlib=libc++-s -s DEMANGLE_SUPPORT=1 -I .  -s EXPORTED_FUNCTIONS='["_make_bin"]' -s EXTRA_EXPORTED_RUNTIME_METHODS='["ccall", "cwrap", "FS_createDataFile", "FS_readFile"]' -s TOTAL_MEMORY=128MB -s WASM=1
-
+	em++ stl2gltf.cpp -std=c++11 -stdlib=libc++ -I . ${EM_CXX_FLAG} ${WASM}
 wasm_release:
-	em++ stl2gltf.cpp -std=c++11 -stdlib=libc++-s -s DEMANGLE_SUPPORT=1 -I .  -s EXPORTED_FUNCTIONS='["_make_bin"]' -s EXTRA_EXPORTED_RUNTIME_METHODS='["ccall", "cwrap", "FS_createDataFile", "FS_readFile"]' -O3  -s TOTAL_MEMORY=128MB -s WASM=1
+	em++ stl2gltf.cpp -std=c++11 -stdlib=libc++ -I . ${EM_CXX_FLAG} ${O3} ${WASM}