59 lines
1.6 KiB
Makefile
59 lines
1.6 KiB
Makefile
CC = emcc
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CXX = em++
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WEB_DIR = web
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EXE = $(WEB_DIR)/index.html
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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_sdl3.cpp $(IMGUI_DIR)/backends/imgui_impl_sdlsurface3.cpp
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OBJS = $(addprefix em_,$(addsuffix .o, $(basename $(notdir $(SOURCES)))))
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CPPFLAGS =
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LDFLAGS =
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EMS =
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EMS += -s USE_SDL=3
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EMS += -s DISABLE_EXCEPTION_CATCHING=1
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LDFLAGS += -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s NO_EXIT_RUNTIME=0 -s ASSERTIONS=1
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LDFLAGS += -s FORCE_FILESYSTEM=1
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ifeq ($(shell $(CXX) --show-ports 2>/dev/null | grep -c 'sdl3 '),0)
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$(error This Emscripten toolchain does not provide an SDL3 port. Use an SDL3-capable emsdk to build this example for web)
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endif
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USE_FILE_SYSTEM ?= 0
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ifeq ($(USE_FILE_SYSTEM), 0)
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CPPFLAGS += -DIMGUI_DISABLE_FILE_FUNCTIONS
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endif
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ifeq ($(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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CPPFLAGS += -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends
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CPPFLAGS += -Wall -Wformat -O2 $(EMS)
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LDFLAGS += --shell-file ../libs/emscripten/shell_minimal.html
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LDFLAGS += $(EMS)
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em_%.o:%.cpp
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
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em_%.o:$(IMGUI_DIR)/%.cpp
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$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<
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em_%.o:$(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 -rf $(OBJS) $(WEB_DIR)
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