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cpusetcores/makefile
2025-03-20 13:58:18 +01:00

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1.8 KiB
Makefile

# project name = the workspace directory name
NAME := $(shell basename $(PWD))
# compiler settings
CC := clang
STD := c17
LANG = c
CFLAGS := -target x86_64-pc-linux-gnu -Wall -Wextra -Wpedantic -Wno-pointer-arith
LDFLAGS := -lc
DEBUG ?= 0
ifeq ($(DEBUG),1)
CFLAGS += -DDEBUG -fsanitize=address,undefined -g -Og
PROF := dbg
else
REL_FLAGS += -O2
PROF := rel
endif
# dirs
DIR_BIN := bin
DIR_OBJ := obj
DIR_BUILD := $(DIR_BIN)/$(PROF)
DIR := $(DIR_BIN)/$(PROF) $(DIR_OBJ)/$(PROF)
# source files
SRC := $(wildcard src/*.c) $(wildcard src/**/*.c) $(wildcard src/**/**/*.c) $(wildcard src/**/**/**/*.c) $(wildcard src/**/**/**/**/*.c)
# output locations
OBJ := $(patsubst src/%,$(DIR_OBJ)/$(PROF)/%,$(SRC:.c=.o))
DEP := $(OBJ:.o=.d)
TARGET := $(DIR_BUILD)/$(NAME)
define wr_colour
@echo -e "\033[$(2)m$(1)\033[0m"
endef
compile: compile_commands.json $(DIR) $(TARGET)
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
$(DIR_OBJ)/$(PROF)/%.o: src/%.c
@$(call wr_colour,"compiling $(notdir $@) from $(notdir $<)",92)
@mkdir -p $(dir $@)
@$(CC) -o $@ -MD -MP -c $< $(CFLAGS) -std=$(STD) -x $(LANG) -Wno-unused-command-line-argument
# 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)