mirror of
https://github.com/thepigeongenerator/tetris_clone.git
synced 2025-12-16 21:45:45 +01:00
116 lines
3.1 KiB
Makefile
116 lines
3.1 KiB
Makefile
# dependencies:
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# - make
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# - clang
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# - bear (debug)
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# - sdl2
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# - git bash (windows)
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#
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# project name = the workspace directory name
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NAME := $(shell basename $(PWD))
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DEBUG ?= 0
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ARCH ?= 0
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# compiler settings
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CC := clang
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STD := c17
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CFLAGS := -m32 -Wall -Wextra -Wpedantic -Wno-pointer-arith
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LDFLAGS := -m32 -lm
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ifneq ($(DEBUG),0)
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CFLAGS += -g -Og -fsanitize=address,undefined
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LDFLAGS += -fsanitize=address,undefined
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PROF := dbg
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else
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CFLAGS += -DNDEBUG -O2 -Werror
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PROF := rel
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endif
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ifneq ($(MAKECMDGOALS),clean)
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ifeq ($(ARCH),linux-x86)
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CFLAGS += -target x86_64-pc-linux-gnu $(shell pkg-config --cflags sdl2 SDL2_ttf)
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LDFLAGS += -target x86_64-pc-linux-gnu $(shell pkg-config --libs sdl2 SDL2_ttf)
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else ifeq ($(ARCH),win-x86)
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CFLAGS += -target x86_64-pc-windows-gnu
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LDFLAGS += -target x86_64-pc-windows-gnu -fuse-ld=lld
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EXT := .exe
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else
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$(error you must set the ARCH environment variable to one of these: 'linux-x86' 'win-x86')
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endif
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endif
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ifneq ($(ARCH),0)
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# dirs
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DIR_BIN := bin/$(ARCH)/$(PROF)
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DIR_OBJ := obj/$(ARCH)/$(PROF)
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TARGET := $(DIR_BIN)/$(NAME)$(EXT)
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# source files
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SRC := $(wildcard src/*.c) $(wildcard src/**/*.c) $(wildcard src/**/**/*.c) $(wildcard src/**/**/**/*.c) $(wildcard src/**/**/**/**/*.c)
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OBJ := $(patsubst src/%,$(DIR_OBJ)/%,$(SRC:.c=.o))
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DEP := $(OBJ:.o=.d)
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SRC_ASSETS := $(wildcard assets/*)
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ASSETS := $(patsubst assets/%,$(DIR_BIN)/%,$(SRC_ASSETS))
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COMPILE_COMMANDS := $(DIR_OBJ)/compile_commands.json
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endif
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define wr_colour
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@printf '\033[%sm%s\033[0m\n' $(2) $(1)
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endef
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# compiles and execute the binary
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run: compile
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cd $(dir $(TARGET)) && ./$(notdir $(TARGET))
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compile: compile_commands $(TARGET) $(ASSETS)
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.NOTPARALLEL:
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clean:
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rm -rf obj/ bin/ compile_commands.json
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# create the binary (linking step)
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$(TARGET): $(OBJ)
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@$(call wr_colour,"CC: '$(CC)'",94)
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@$(call wr_colour,"CFLAGS: '$(CFLAGS)'",94)
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@$(call wr_colour,"LDFLAGS: '$(LDFLAGS)'",94)
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@$(call wr_colour,"linking to: '$@'",92)
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@mkdir -p ${@D}
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@$(CC) -o $(TARGET) $^ $(LDFLAGS)
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@$(call wr_colour,"current profile: '$(PROF)'",93)
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# create .o and .d files
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$(DIR_OBJ)/%.o: src/%.c
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@$(call wr_colour,"compiling $(notdir $@) from $(notdir $<)",92)
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@mkdir -p ${@D}
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@$(CC) $(CFLAGS) -c -MD -MP -std=$(STD) -x c -o $@ $<
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# copy assets
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$(DIR_BIN)/%: assets/%
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@mkdir -p ${@D}
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@cp -v $< $@
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# update compile commands if the makefile has been updated (for linting)
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compile_commands: # default, empty rule
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ifneq ($(shell which bear),)
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ifneq ($(COMPILE_COMMANDS),)
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ifeq ($(NOCMDS),)
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.NOTPARALLEL .PHONY:
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compile_commands: $(COMPILE_COMMANDS)
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@[ "$(readlink compile_commands.json)" != "$<" ] && ln -sf $< compile_commands.json
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.NOTPARALLEL:
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$(COMPILE_COMMANDS): makefile
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@$(call wr_colour,"regenerating compile_commands.json thus recompiling.",93)
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@mkdir -p ${@D} # ensure the target directory exists
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@touch $@ # create the file so it isn't retriggered (will just change modification time if already exists)
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@bear --output $@ -- make -B compile NOCMDS=1 # rebuild the current target using bear, to create the compile commands
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endif
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endif
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endif
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# disable implicit rules
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.SUFFIXES:
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# include the dependencies
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-include $(DEP)
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