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CMakeLists.txt
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CMakeLists.txt
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# include 另外一个cmake 配置
#INCLUDE(file1 [OPTIONAL])
cmake_minimum_required(VERSION 3.10)
set(CMAKE_CXX_STANDARD 14)
#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
project(minidb)
MESSAGE(STATUS "This is SOURCE dir " ${test_SOURCE_DIR})
MESSAGE(STATUS "This is BINARY dir " ${test_BINARY_DIR})
MESSAGE(STATUS "This is Project source dir " ${PROJECT_SOURCE_DIR})
MESSAGE(STATUS "This is PROJECT_BINARY_DIR dir " ${PROJECT_BINARY_DIR})
SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
#SET(LIBRARY_OUTPUT_PATH <路径>)
MESSAGE(STATUS "HOME dir: $ENV{HOME}")
#SET(ENV{变量名} 值)
IF(WIN32)
MESSAGE(STATUS "This is windows.")
ADD_DEFINITIONS(-DWIN32)
ELSEIF(WIN64)
MESSAGE(STATUS "This is windows.")
ADD_DEFINITIONS(-DWIN64)
ELSEIF(APPLE)
MESSAGE(STATUS "This is apple")
# normally __MACH__ has already been defined
ADD_DEFINITIONS(-D__MACH__ )
ELSEIF(UNIX)
MESSAGE(STATUS "This is UNIX")
ADD_DEFINITIONS(-DUNIX -DLINUX)
ELSE()
MESSAGE(STATUS "This is UNKNOW OS")
ENDIF(WIN32)
# This is for clangd plugin for vscode
#SET(CMAKE_COMMON_FLAGS ${CMAKE_COMMON_FLAGS} " -Wstring-plus-int -Wsizeof-array-argument -Wunused-variable -Wmissing-braces")
SET(CMAKE_COMMON_FLAGS "${CMAKE_COMMON_FLAGS} -Wall -DCMAKE_EXPORT_COMPILE_COMMANDS=1")
IF(DEBUG)
MESSAGE("DEBUG has been set as TRUE ${DEBUG}")
#"${CMAKE_COMMON_FLAGS} -O0 -g " ${CMAKE_COMMON_FLAGS}最好在""以内，防止被cmake 增加了;
SET(CMAKE_COMMON_FLAGS "${CMAKE_COMMON_FLAGS} -O0 -g -DDEBUG ")
ADD_DEFINITIONS(-DENABLE_DEBUG)
ELSEIF(NOT DEFINED ENV{DEBUG})
MESSAGE("Disable debug")
SET(CMAKE_COMMON_FLAGS "${CMAKE_COMMON_FLAGS} -O2 -g ")
ELSE()
MESSAGE("Enable debug")
SET(CMAKE_COMMON_FLAGS "${CMAKE_COMMON_FLAGS} -O0 -g -DDEBUG")
ADD_DEFINITIONS(-DENABLE_DEBUG)
ENDIF()
SET(CMAKE_CXX_FLAGS ${CMAKE_COMMON_FLAGS})
SET(CMAKE_C_FLAGS ${CMAKE_COMMON_FLAGS})
MESSAGE("CMAKE_CXX_FLAGS is " ${CMAKE_CXX_FLAGS})
IF (CMAKE_INSTALL_PREFIX)
MESSAGE("CMAKE_INSTALL_PREFIX has been set as " ${CMAKE_INSTALL_PREFIX} )
ELSEIF(DEFINED ENV{CMAKE_INSTALL_PREFIX})
SET(CMAKE_INSTALL_PREFIX $ENV{CMAKE_INSTALL_PREFIX})
ELSE()
SET(CMAKE_INSTALL_PREFIX /tmp/${PROJECT_NAME})
ENDIF()
MESSAGE("Install target dir is " ${CMAKE_INSTALL_PREFIX})
# ADD_SUBDIRECTORY(src bin) bin 为目标目录， 可以省略
ADD_SUBDIRECTORY(deps)
ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(unitest)
ADD_SUBDIRECTORY(test)
# install 准备安装的目录是cmakefile 的当前目录， 不是build 后生成的目录
# Files 默认权限OWNER_WRITE, OWNER_READ, GROUP_READ,和WORLD_READ，即644权限
# INSTALL(FILES docs/README DESTINATION ./ )
# INSTALL(DIRECTORY docs DESTINATION ./
# PATTERN "README" EXCLUDE)
# PERMISSIONS 可以直接替换
#INSTALL(DIRECTORY bin DESTINATION ./
# FILE_PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EXECUTE GROUP_READ WORLD_READ
# DIRECTORY_PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_EXECUTE GROUP_READ WORLD_READ WORLD_EXECUTE)
INSTALL(DIRECTORY etc DESTINATION .
FILE_PERMISSIONS OWNER_WRITE OWNER_READ GROUP_READ WORLD_READ)
#INSTALL([[SCRIPT <file>] [CODE <code>]] [...])
# script 表示安装时，调用cmake 脚步
# code 表示安装时，执行cmake 命令， 例如
INSTALL(CODE "MESSAGE(\"Sample install message.\")")
# EXEC_PROGRAM make时执行命令
#EXEC_PROGRAM(Executable [directory in which to run]
# [ARGS <arguments to executable>]
# [OUTPUT_VARIABLE <var>]
# ADD_TEST与ENABLE_TESTING 参考书籍
#EXEC_PROGRAM(Executable [directory in which to run]
# [ARGS <arguments to executable>]
# [OUTPUT_VARIABLE <var>]
# [RETURN_VALUE <var>])
# 生产make时，执行
#EXEC_PROGRAM(ls ARGS "*.c" OUTPUT_VARIABLE LS_OUTPUT RETURN_VALUE
# LS_RVALUE)
#IF(not LS_RVALUE)
# MESSAGE(STATUS "ls result: " ${LS_OUTPUT})
#ENDIF(not LS_RVALUE)