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88 lines
2.9 KiB
88 lines
2.9 KiB
# |
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# Makefile to use with emscripten |
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# See https://emscripten.org/docs/getting_started/downloads.html |
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# for installation instructions. |
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# |
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# This Makefile assumes you have loaded emscripten's environment. |
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# (On Windows, you may need to execute emsdk_env.bat or encmdprompt.bat ahead) |
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# |
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# Running `make` will produce three files: |
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# - web/index.html (current stored in the repository) |
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# - web/index.js |
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# - web/index.wasm |
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# |
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# All three are needed to run the demo. |
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CC = emcc |
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CXX = em++ |
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WEB_DIR = web |
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EXE = $(WEB_DIR)/index.js |
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IMGUI_DIR = ../.. |
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SOURCES = main.cpp |
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SOURCES += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp |
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SOURCES += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_wgpu.cpp |
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OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES)))) |
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UNAME_S := $(shell uname -s) |
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CPPFLAGS = |
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LDFLAGS = |
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EMS = |
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##--------------------------------------------------------------------- |
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## EMSCRIPTEN OPTIONS |
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##--------------------------------------------------------------------- |
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# ("EMS" options gets added to both CPPFLAGS and LDFLAGS, whereas some options are for linker only) |
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EMS += -s DISABLE_EXCEPTION_CATCHING=1 |
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LDFLAGS += -s USE_GLFW=3 -s USE_WEBGPU=1 |
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LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1 |
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# Emscripten allows preloading a file or folder to be accessible at runtime. |
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# The Makefile for this example project suggests embedding the misc/fonts/ folder into our application, it will then be accessible as "/fonts" |
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# See documentation for more details: https://emscripten.org/docs/porting/files/packaging_files.html |
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# (Default value is 0. Set to 1 to enable file-system and include the misc/fonts/ folder as part of the build.) |
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USE_FILE_SYSTEM ?= 0 |
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ifeq ($(USE_FILE_SYSTEM), 0) |
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LDFLAGS += -s NO_FILESYSTEM=1 |
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CPPFLAGS += -DIMGUI_DISABLE_FILE_FUNCTIONS |
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endif |
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ifeq ($(USE_FILE_SYSTEM), 1) |
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LDFLAGS += --no-heap-copy --preload-file ../../misc/fonts@/fonts |
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endif |
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##--------------------------------------------------------------------- |
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## FINAL BUILD FLAGS |
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##--------------------------------------------------------------------- |
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CPPFLAGS += -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends |
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#CPPFLAGS += -g |
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CPPFLAGS += -Wall -Wformat -Os $(EMS) |
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#LDFLAGS += --shell-file shell_minimal.html |
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LDFLAGS += $(EMS) |
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##--------------------------------------------------------------------- |
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## BUILD RULES |
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##--------------------------------------------------------------------- |
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%.o:%.cpp |
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< |
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%.o:$(IMGUI_DIR)/%.cpp |
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< |
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%.o:$(IMGUI_DIR)/backends/%.cpp |
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $< |
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all: $(EXE) |
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@echo Build complete for $(EXE) |
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$(WEB_DIR): |
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mkdir $@ |
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serve: all |
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python3 -m http.server -d $(WEB_DIR) |
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$(EXE): $(OBJS) $(WEB_DIR) |
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$(CXX) -o $@ $(OBJS) $(LDFLAGS) |
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clean: |
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rm -f $(EXE) $(OBJS) $(WEB_DIR)/*.js $(WEB_DIR)/*.wasm $(WEB_DIR)/*.wasm.pre
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