AdventOfCode/02/Makefile

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Makefile
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2022-12-06 09:51:11 +01:00
#
# 'make' build executable file 'main'
# 'make clean' removes all .o and executable files
#
# define the C compiler to use CC = gcc
# define any compile-time flags
# CFLAGS := -std=c99 -Wall -Wextra -g -lm
CFLAGS := -std=c99 -Wall -Wextra -g
# define library paths in addition to /usr/lib
# if I wanted to include libraries not in /usr/lib I'd specify
# their path using -Lpath, something like:
LFLAGS =
# define output directory
OUTPUT := output
# define source directory
SRC := src
# define include directory
INCLUDE := include
# define lib directory
LIB := lib
ifeq ($(OS),Windows_NT)
MAIN := main.exe
SOURCEDIRS := $(SRC)
INCLUDEDIRS := $(INCLUDE)
LIBDIRS := $(LIB)
FIXPATH = $(subst /,\,$1)
RM := del /q /f
MD := mkdir
else
MAIN := main
SOURCEDIRS := $(shell find $(SRC) -type d)
INCLUDEDIRS := $(shell find $(INCLUDE) -type d)
LIBDIRS := $(shell find $(LIB) -type d)
FIXPATH = $1
RM = rm -f
MD := mkdir -p
endif
# define any directories containing header files other than /usr/include
INCLUDES := $(patsubst %,-I%, $(INCLUDEDIRS:%/=%))
# define the C libs
LIBS := $(patsubst %,-L%, $(LIBDIRS:%/=%))
# define the C source files
SOURCES := $(wildcard $(patsubst %,%/*.c, $(SOURCEDIRS)))
# define the C object files
OBJECTS := $(SOURCES:.c=.o)
#
# The following part of the makefile is generic; it can be used to
# build any executable just by changing the definitions above and by
# deleting dependencies appended to the file from 'make depend'
#
OUTPUTMAIN := $(call FIXPATH,$(OUTPUT)/$(MAIN))
all: $(OUTPUT) $(MAIN)
@echo Executing 'all' complete!
$(OUTPUT):
$(MD) $(OUTPUT)
$(MAIN): $(OBJECTS)
$(CC) $(INCLUDES) $(OBJECTS) $(LFLAGS) $(LIBS) -o $(OUTPUTMAIN) $(CFLAGS)
# this is a suffix replacement rule for building .o's from .c's
# it uses automatic variables $<: the name of the prerequisite of
# the rule(a .c file) and $@: the name of the target of the rule (a .o file)
# (see the gnu make manual section about automatic variables)
.c.o:
$(CC) $(CFLAGS) $(INCLUDES) -c $< -o $@
.PHONY: clean
clean:
$(RM) $(OUTPUTMAIN)
$(RM) $(call FIXPATH,$(OBJECTS))
@echo Cleanup complete!
run: all
./$(OUTPUTMAIN)
@echo Executing 'run: all' complete!