makefile cmake

#目录结构
.
├── app
├── include
│   ├── cls_add.h
│   ├── cls_div.h
│   ├── cls_mul.h
│   └── cls_sub.h
├── lib
├── Makefile
├── obj
│   ├── cls_add.o
│   ├── cls_div.o
│   ├── cls_mul.o
│   ├── cls_sub.o
│   └── main.o
└── src
    ├── cls_add.c
    ├── cls_div.c
    ├── cls_mul.c
    ├── cls_sub.c
    └── main.c


#makefile文件1

source = ./src
include = ./include
objc = ./obj

src = $(wildcard $(source)/*.c)
obj = $(patsubst $(source)/%.c, $(objc)/%.o, $(src))

target = app
myArgs = -Wall -g
CC = gcc

ALL:$(target)

# 链接
$(target):$(obj)
	$(CC) $^ -o $@ $(myArgs)

# 预处理 编译 汇编
$(obj):$(objc)/%.o:$(source)/%.c
	$(CC) -c $< -o $@ $(myArgs) -I $(include)

clean:
	-rm -rf $(obj) $(target)

# 伪目标
.PHONY: clean ALL


# makefile文件2

# 定义变量
source = src
include = include
objc = obj

# 查找所有源文件和目标文件
src = $(wildcard $(source)/*.c)
obj = $(patsubst $(source)/%.c, $(objc)/%.o, $(src))

# 定义目标和编译选项
target = app
myArgs = -Wall -g
CC = gcc

# 默认目标
ALL:$(target)

# 链接目标文件生成可执行文件
$(target):$(obj)
	$(CC) $^ -o $@ $(myArgs)

# 编译规则
$(obj):$(objc)/%.o:$(source)/%.c
	$(CC) -c $< -o $@ $(myArgs) -I $(include)

# 清理规则
clean:
	-rm -rf $(obj) $(target)

# 伪目标
.PHONY: clean all


#cmakelists.txt

.
├── CMakeLists.txt
├── include
│   ├── cls_add.h
│   ├── cls_div.h
│   ├── cls_mul.h
│   └── cls_sub.h
├── lib
├── obj
└── src
    ├── cls_add.c
    ├── cls_div.c
    ├── cls_mul.c
    ├── cls_sub.c
    └── main.c

4 directories, 10 files

# CMakeLists.txt

cmake_minimum_required(VERSION 3.15)
project(app_test)

# 指定源文件目录 GLOB 搜索指定目录 GLOB_RECURSE 递归搜索指定目录
file(GLOB SRC ${CMAKE_CURRENT_SOURCE_DIR}/src/*.c)
# aux_source_directory(${CMAKE_CURRENT_SOURCE_DIR}/src SRC)

# 指定头文件目录
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)

# 指定库文件生成的路径
set(LIBRARY_OUTPUT_PATH ${CMAKE_CURRENT_SOURCE_DIR}/lib)
# add_executable(app ${SRC})
add_library(calc STATIC ${SRC})
add_library(calc_s SHARED ${SRC})

#[[
usage:
    mkdir build
    cd build
    cmake ..
    make
]]