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sdl_template/makefile

102 lines
2.5 KiB
Makefile

# dependencies:
# - make
# - clang
# - bear (debug)
# - sdl2
# - git bash (windows)
#
# project name = the workspace directory name
NAME := $(shell basename $(PWD))
# compiler settings
CC := clang
STD := c17
LANG = c
CFLAGS := $(shell pkg-config --cflags sdl2) -Wall -Wextra -Wpedantic -Wno-pointer-arith
LDFLAGS := $(shell pkg-config --libs sdl2) -lm
DEBUG ?= 0
ifeq ($(DEBUG),1)
CFLAGS += -fsanitize=address,undefined -g -Og
PROF := dbg
else
CFLAGS += -DNDEBUG -O2
PROF := rel
endif
# dirs
DIR_BIN := bin
DIR_OBJ := obj
DIR_BUILD := $(DIR_BIN)/$(ARCH)/$(PROF)
DIR := $(DIR_BIN)/$(ARCH)/$(PROF) $(DIR_OBJ)/$(ARCH)/$(PROF)
# source files
SRC := $(wildcard src/*.c) $(wildcard src/**/*.c) $(wildcard src/**/**/*.c) $(wildcard src/**/**/**/*.c) $(wildcard src/**/**/**/**/*.c)
SRC_ASSETS := $(wildcard assets/*)
# output locations
OBJ := $(patsubst src/%,$(DIR_OBJ)/$(ARCH)/$(PROF)/%,$(SRC:.c=.o))
DEP := $(OBJ:.o=.d)
ASSETS := $(patsubst assets/%,$(DIR_BUILD)/%,$(SRC_ASSETS))
TARGET := $(DIR_BUILD)/$(NAME)$(EXT)
define wr_colour
@echo -e "\033[$(2)m$(1)\033[0m"
endef
# set the correct environment variables depending on the platform
ifneq ($(MAKECMDGOALS),clean)
ifeq ($(ARCH),linux-x86_64)
CFLAGS += -target x86_64-pc-linux-gnu
else ifeq ($(ARCH),win-x86_64)
CFLAGS += -target x86_64-pc-windows-gnu
EXT=.exe
else
$(error you must set the ARCH environment variable to one of these: 'linux-x86_64' 'win-x86_64')
endif
endif
# compiles and execute the binary
run: compile
./$(TARGET)
compile: compile_commands.json $(DIR) $(TARGET) $(ASSETS)
clean:
rm -rf $(DIR_BIN) $(DIR_OBJ) compile_commands.json
# create the binary (linking step)
$(TARGET): $(OBJ)
@$(call wr_colour,"CC: '$(CC)'",94)
@$(call wr_colour,"CFLAGS: '$(CFLAGS)'",94)
@$(call wr_colour,"LDFLAGS: '$(LDFLAGS)'",94)
@$(call wr_colour,"linking to: '$@'",92)
@$(CC) -o $(TARGET) $^ $(CFLAGS) $(LDFLAGS)
@$(call wr_colour,"current profile: '$(PROF)'",93)
# create .o and .d files
$(DIR_OBJ)/$(ARCH)/$(PROF)/%.o: src/%.c
@$(call wr_colour,"compiling $(notdir $@) from $(notdir $<)",92)
@mkdir -p $(dir $@)
@$(CC) -o $@ -MD -MP -c -std=$(STD) -x $(LANG) $< $(CFLAGS)
# copy assets
$(DIR_BUILD)/%: assets/%
@mkdir -p $(dir $@)
cp -v $< $@
# create directories
$(DIR):
mkdir -p $@
# update compile commands if the makefile has been updated (for linting)
ifeq ($(DEBUG),1)
compile_commands.json: makefile
$(MAKE) clean
@touch compile_commands.json
bear -- make compile
else
compile_commands.json:
endif
# include the dependencies
-include $(DEP)