CMake学习之message

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简介: CMake学习之message

一、message的基础使用

打印日志

message("参数1")
message("参数1" "参数2")
#运行 :cmake -S . -B build

二、message高级使用-指定日志级别

# FATAL_ERROR 执行停止,进程退出,生成退出 打印代码路径和行号 stderr
#message(FATAL_ERROR "TEST FATAL_ERROR")
# SEND_ERROR 进程继续,生成退出 不会生成 add_executable add_library stderr
# 打印代码路径和行号 
message(SEND_ERROR "TEST SEND_ERROR")
add_executable(test_message test_message.cpp)
message("after ERROR")
# WARNING 打印代码路径和行号 stderr
message(WARNING "TEST WARNING")
#NOTICE等同于 none也就是不加  message("TEST NOTICE")  stderr
message("TEST none")
message(NOTICE "TEST NOTICE")
#STATUS 加前缀 --  感兴趣 stdout
message(STATUS "TEST STATUS")
#VERBOSE 加前缀 -- 默认不显示,需要的详细信息 stdout
message(VERBOSE "TEST VERBOSE")
# 设置日志显示级别
# cmake -S . -B build --log-level=VERBOSE
# 标准输出重定向到文件log.txt 
# cmake -S . -B build --log-level=VERBOSE > log.txt 
# 标准错误输出 2 重定向到标准输出 1
# cmake -S . -B build --log-level=VERBOSE > log.txt  2>&1
#DEBUG 加前缀 -- 
message(DEBUG  "test DEBUG")
#TRACE 加前缀 -- 
# cmake -S . -B build --log-level=TRACE
message(TRACE "test TRACE")

三、message Reporting checks查找库日志

# CHECK_START 开始记录将要执行检查的消息
# CHECK_PASS 记录检查的成功结果
# CHECK_FAIL 记录不成功的检查结果
#开始查找
message(CHECK_START "查找xcpp")
#查找库cpp的代码
# message消息缩进
set(CMAKE_MESSAGE_INDENT "--")
#嵌套查找
message(CHECK_START "查找xlog")
#查找xlog代码
message(CHECK_PASS "成功")
message(CHECK_START "查找threadpool")
message(CHECK_FAIL "失败")
#取消缩进
set(CMAKE_MESSAGE_INDENT "")
#结束查找 查找失败
message(CHECK_FAIL "失败")

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