Modern CMake

reference

• awesome-cmake
• cmake-init 通用项目cmake模板项目
• cmake-examples 各种cmake项目示例
• conan config cmake and manage package like pip+requirement.txt
• cmake-commands cmake项目命令用法文档

build system

总结：对于C/C++，推荐用cmake+make或者meson+ninja。

• cmake/qmake/premake, make +++
• gnu build system: autotool/autoconf/automake
• meson/cmake, ninja: meson and ninja is python package +++
• ant/maven: for java, apache
• bazel: google, big project https://bazel.build/faq.html +
• buck: facebook
• gradel: ant+maven, apache

demo

• 创建CMakeLists.txt

cmake_minimum_required(VERSION 3.5)
project(demo)
add_executable(out main.cpp)

• 创建main.cpp 并执行

mkdir build 
cd build
cmake ..
make 或者 cmake --build .

cmake 功能

CMakeLists实例

• 包管理

find_package(<name> REQUIRED)

• 构建编译

add_excutable(<name> <sourcefile>...)
add_library(<name> [SHARED|STATIC|INTERFACE]<sourcefile>...)
add_subdirectory(<dir>)

target_include_directories()
target_sources()
target_link_libraryies()

file(GLOB_RECURSE cpp_samples RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cpp)

• 测试
  ctest, CDash, gtest

enable_testing()
add_executable()
add_test(<testname> <command> [arg...])

• 安装
  cpack，生成安装包

# copy files to <dir>
install(FILES|TARGETS <file>... DESTINATION <dir>)

# 导出让其它cmake项目用
install(EXPORT <target> NAMESPACE <name> DESTINATION <dir>)

• 通用

set(<name> <value>) #设置变量值
unset(<name>) #取消变量
include(<cmake file>) #包含子项目
message(STATUS "hello world") #输出信息