Clean up build.sh a bit

build.sh

@@ -2,23 +2,28 @@
 
 set -xe
 
+COMMON_CFLAGS="-Wall -Wextra -ggdb -I. -I./build/ -I./thirdparty/"
+
 build_vc_demo() {
     NAME=$1
 
-    clang -Os -fno-builtin -Wall -Wextra -Wswitch-enum --target=wasm32 --no-standard-libraries -Wl,--no-entry -Wl,--export=render -Wl,--export=init -Wl,--allow-undefined -I. -I./build/ -I./thirdparty/ -o ./build/$NAME.wasm -DPLATFORM=WASM_PLATFORM ./demos/$NAME.c
+    clang $COMMON_CFLAGS -Os -fno-builtin --target=wasm32 --no-standard-libraries -Wl,--no-entry -Wl,--export=render -Wl,--export=init -Wl,--allow-undefined -o ./build/$NAME.wasm -DPLATFORM=WASM_PLATFORM ./demos/$NAME.c
     cp ./build/$NAME.wasm ./wasm/
-    clang -Wall -Wextra -ggdb -I. -I./build/ -I./thirdparty/ -o ./build/$NAME.sdl -DPLATFORM=SDL_PLATFORM ./demos/$NAME.c -lm -lSDL2
-    clang -Wall -Wextra -ggdb -I. -I./build/ -I./thirdparty/ -o ./build/$NAME.term -DPLATFORM=TERM_PLATFORM ./demos/$NAME.c -lm
+    clang $COMMON_CFLAGS -o ./build/$NAME.sdl -DPLATFORM=SDL_PLATFORM ./demos/$NAME.c -lm -lSDL2
+    clang $COMMON_CFLAGS -o ./build/$NAME.term -DPLATFORM=TERM_PLATFORM ./demos/$NAME.c -lm
 }
 
 mkdir -p ./build/
 
-clang -Wall -Wextra -ggdb -o ./build/test -Ithirdparty test.c -lm
-clang -Wall -Wextra -ggdb -o ./build/png2c -Ithirdparty png2c.c -lm
+# Build tests
+clang $COMMON_CFLAGS -o ./build/test -Ithirdparty test.c -lm
 
+# Build asserts
+clang $COMMON_CFLAGS -o ./build/png2c -Ithirdparty png2c.c -lm
 mkdir -p ./build/assets/
 ./build/png2c ./assets/tsodinPog.png > ./build/assets/tsodinPog.c
 
+# Build VC demos
 build_vc_demo triangle &
 build_vc_demo 3d &
 build_vc_demo squish &