61 lines
2.4 KiB
Makefile
61 lines
2.4 KiB
Makefile
CC ?= gcc
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CFLAGS ?= -O2 -Wall -Wextra -std=c11
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PKGS = glfw3 glu
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CPPFLAGS += $(shell pkg-config --cflags $(PKGS))
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LDLIBS += $(shell pkg-config --libs $(PKGS)) -lGL -lm
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TARGET = vectorgons
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SRC = vectorgons.c
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$(TARGET): $(SRC)
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$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ $(SRC) $(LDLIBS)
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run: $(TARGET)
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./$(TARGET)
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# --- Windows x64 cross-compile (MinGW-w64) ---------------------------------
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# Produces a self-contained vectorgons.exe (statically links GLFW and the
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# GCC/threads runtime; at run time it needs only Windows system DLLs:
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# opengl32, glu32, gdi32, user32, shell32, kernel32). Override WINCC / GLFWDIR
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# for your toolchain and GLFW (https://www.glfw.org/download, WIN64 binaries):
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# make windows WINCC=x86_64-w64-mingw32-gcc GLFWDIR=/path/to/glfw-3.4.bin.WIN64
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WINCC ?= x86_64-w64-mingw32-gcc
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GLFWDIR ?= /tmp/glfw-3.4.bin.WIN64
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WINFLAGS = -O2 -std=c11 -Wall -Wextra -mwindows -static -s
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WINLIBS = -lglfw3 -lglu32 -lopengl32 -lgdi32 -luser32 -lshell32
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windows: $(SRC)
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$(WINCC) $(WINFLAGS) -I$(GLFWDIR)/include -o $(TARGET).exe $(SRC) \
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-L$(GLFWDIR)/lib-mingw-w64 $(WINLIBS)
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# Windows screensaver: same code with -DSCREENSAVER, output named .scr.
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# Install by right-clicking the .scr in Windows -> Install (or drop it in
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# C:\Windows\System32 and pick it in Settings > Lock screen > Screen saver).
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screensaver: $(SRC)
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$(WINCC) $(WINFLAGS) -DSCREENSAVER -I$(GLFWDIR)/include -o $(TARGET).scr $(SRC) \
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-L$(GLFWDIR)/lib-mingw-w64 $(WINLIBS)
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# --- WebAssembly / browser build (Emscripten) ------------------------------
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# Produces vectorgons.js + vectorgons.wasm (load from an HTML page; see
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# web/index.html). Legacy-GL emulation maps the fixed-function + immediate-mode
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# rendering onto WebGL; GLFW3 is emulated; the VBO/FBO entry points are resolved
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# at run time, so GL_ENABLE_GET_PROC_ADDRESS is required. Run:
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# source /path/to/emsdk/emsdk_env.sh && make web
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# Must be served over HTTP (WebAssembly will not load from file://).
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EMCC ?= emcc
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EMFLAGS = -O2 -std=c11 -sUSE_GLFW=3 -sLEGACY_GL_EMULATION=1 -sGL_UNSAFE_OPTS=0 \
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-sGL_ENABLE_GET_PROC_ADDRESS=1 -sALLOW_MEMORY_GROWTH=1 \
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-sINITIAL_MEMORY=67108864 -sEXIT_RUNTIME=0
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web: web/vectorgons.js
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web/vectorgons.js: $(SRC)
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mkdir -p web
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$(EMCC) $(EMFLAGS) $(SRC) -o web/vectorgons.js
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clean:
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rm -f $(TARGET) $(TARGET).exe $(TARGET).scr web/vectorgons.js web/vectorgons.wasm
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.PHONY: run windows screensaver web clean
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# Commodore removed because it was stupid.
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