134 lines
3.2 KiB
Makefile
134 lines
3.2 KiB
Makefile
SHELL := /bin/bash
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.SHELLFLAGS = -O extglob -c
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src = $(wildcard *.c)
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obj = $(src:.c=.o)
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# Build type parameter
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ifeq ($(BUILD),debug)
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CFLAGS_BUILD = -O0 -ggdb -Wall -DGLAVA_DEBUG
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GLAD_GEN = c-debug
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STRIP_CMD = $(info Skipping `strip` for debug builds)
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else
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CFLAGS_BUILD = -O2 -Wstringop-overflow=0
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GLAD_GEN = c
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STRIP_CMD = strip --strip-all glava
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endif
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# Detect OS if not specified (OSX, Linux, BSD are supported)
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ifndef INSTALL
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UNAME_S := $(shell uname -s)
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ifeq ($(UNAME_S),Darwin)
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INSTALL = osx
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else
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INSTALL = unix
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endif
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endif
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ifndef EXECDIR
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EXECDIR = /usr/bin/
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endif
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# Install type parameter
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ifeq ($(INSTALL),standalone)
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CFLAGS_INSTALL = -DGLAVA_STANDALONE
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endif
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ifeq ($(INSTALL),unix)
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CFLAGS_INSTALL = -DGLAVA_UNIX
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ifndef SHADERDIR
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ifdef XDG_CONFIG_DIRS
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SHADERDIR = /$(firstword $(subst :, ,$(XDG_CONFIG_DIRS)))/glava/
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ifeq ($(wildcard $(SHADERDIR)/..),)
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SHADERDIR = /etc/xdg/glava/
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endif
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else
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SHADERDIR = /etc/xdg/glava/
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endif
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endif
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endif
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ifdef ENABLE_GLFW
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CFLAGS_GLFW = -DGLAVA_GLFW
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LDFLAGS_GLFW = -lglfw
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endif
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ifndef DISABLE_GLX
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CFLAGS_GLX = -DGLAVA_GLX
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LDFLAGS_GLX = -lXrender
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endif
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ifeq ($(INSTALL),osx)
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CFLAGS_INSTALL = -DGLAVA_OSX
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ifndef SHADERDIR
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SHADERDIR = /Library/glava
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endif
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endif
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LDFLAGS += $(ASAN) -lpulse -lpulse-simple -pthread $(LDFLAGS_GLFW) -ldl -lm -lX11 -lXext $(LDFLAGS_GLX)
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PYTHON = python
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GLAVA_VERSION = \"$(shell git describe --tags 2>/dev/null)\"
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ifeq ($(GLAVA_VERSION),\"\")
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GLAVA_VERSION = \"unknown\"
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endif
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ifdef DESTDIR
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DESTDIR += /
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endif
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GLAD_INSTALL_DIR = glad
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GLAD_SRCFILE = glad.c
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GLAD_ARGS = --generator=$(GLAD_GEN) --extensions=GL_EXT_framebuffer_multisample,GL_EXT_texture_filter_anisotropic
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CFLAGS_COMMON = -DGLAVA_VERSION="$(GLAVA_VERSION)" -DSHADER_INSTALL_PATH="\"$(SHADERDIR)\""
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CFLAGS_USE = $(CFLAGS_COMMON) $(CFLAGS_GLX) $(CFLAGS_GLFW) $(CFLAGS_BUILD) $(CFLAGS_INSTALL) $(CFLAGS)
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# Store relevant variables that may change depending on the environment or user input
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STATE = $(BUILD),$(INSTALL),$(PREFIX),$(ENABLE_GLFW),$(DISABLE_GLX),$(PYTHON),$(CC),$(CFLAGS_USE)
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# Only update the file if the contents changed, `make` just looks at the timestamp
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$(shell if [[ ! -e build_state ]]; then touch build_state; fi)
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$(shell if [ '$(STATE)' != "`cat build_state`" ]; then echo '$(STATE)' > build_state; fi)
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all: glava
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%.o: %.c build_state
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@$(CC) $(CFLAGS_USE) -o $@ -c $(firstword $<)
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@echo "CC $@"
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glava: $(obj)
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@$(CC) -o glava $(obj) $(LDFLAGS)
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@echo "CC glava"
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$(STRIP_CMD)
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.PHONY: glad
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glad: build_state
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@cd $(GLAD_INSTALL_DIR) && $(PYTHON) -m glad $(GLAD_ARGS) --local-files --out-path=.
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@cp glad/*.h .
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@cp glad/glad.c .
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# Empty build state goal, used to force some of the above rules to re-run if `build_state` was updated
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build_state: ;
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.PHONY: clean
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clean:
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rm -f $(obj) glava glad.o build_state
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EXECTARGET = $(shell readlink -m "$(DESTDIR)$(EXECDIR)/glava")
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SHADERTARGET = $(shell readlink -m "$(DESTDIR)$(SHADERDIR)")
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.PHONY: install
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install:
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install -Dm755 glava $(EXECTARGET)
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install -d $(SHADERTARGET)
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cp -Rv shaders/!(test|test_rc.glsl) $(SHADERTARGET)
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.PHONY: uninstall
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uninstall:
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rm $(EXECTARGET)
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rm -rf $(SHADERTARGET)
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