首先说明如何修改或创建一个环境变量,使用set(ENV{<variable>} <value>)指令用以声明,使用unset(ENV{<variable>})来清除某一个环境变量,其中ENV表示环境变量标志性前缀,variable指变量名称,value则为变量值,需要注意的是设定或读取环境变量时,都通过ENV前缀来访问环境变量,读取环境变量值时,要在ENV前加$符号;但if...
set(NORMAL_VAR "normal variable") unset(NORMAL_VAR) # 缓存变量 # set(<variable> <value>... CACHE <type> <docstring> [FORCE]) set(CACHE_VAR "cache variable" CAHCE STRING "description") # 环境变量 # set(ENV{<variable>} [<value>]) set(ENV{PATH} "$ENV{PATH}:${CMAKE_CURRENT_LIST...
首先说明如何修改或创建一个环境变量,使用set(ENV{<variable>} <value>) 指令用以声明,使用unset(ENV{<variable>})来清除某一个环境变量,其中ENV表示环境变量标志性前缀,variable指变量名称,value则为变量值,需要注意的是设定或读取环境变量时,都通过ENV前缀来访问环境变量,读取环境变量值时,要在ENV前加$符号;但...
if(<variable|string>LESS<variable|string>)if(<variable|string>GREATER<variable|string>)if(<variable|string>EQUAL<variable|string>)if(<variable|string>LESS_EQUAL<variable|string>)if(<variable|string>GREATER_EQUAL<variable|string>) variable:变量、string:字符串 LESS:如果左侧数值小于右侧,返回True GREATE...
16execute_process(17COMMAND18${PYTHON_EXECUTABLE}"-c""import re, numpy; print(re.compile('/__init__.py.*').sub('',numpy.__file__))"19RESULT_VARIABLE _numpy_status20OUTPUT_VARIABLE _numpy_location21ERROR_QUIET22OUTPUT_STRIP_TRAILING_WHITESPACE23)2425if(NOT _numpy_status)26set(NumPy ${...
test_env_variable() # 判断CMAKE_FUNC环境变量是否定义 if(DEFINEDENV{CMAKE_FUNC}) message("CMAKE_FUNC_2: $ENV{CMAKE_FUNC}") else() message("NOT DEFINED CMAKE_FUNC_2 VARIABLES") endif() # 如果没有参数值 set(ENV{CMAKE_FUNC}) ...
# Move result from cache to normal variable. set(CMAKE_C_COMPILER_WORKS ${CMAKE_C_COMPILER_WORKS}) unset(CMAKE_C_COMPILER_WORKS CACHE) #追加内容到文件 file(APPEND "文件路径及文件名" "追加内容1 " "追加内容2\n\n") 1. 2. 3. ...
aux_source_directory(<variable>) 因此,可以修改 CMakeLists.txt 如下: # CMake 最低版本号要求cmake_minimum_required(VERSION2.8)# 项目信息project(Demo2)# 查找当前目录下的所有源文件# 并将名称保存到 DIR_SRCS 变量aux_source_directory(.DIR_SRCS)# 指定生成目标add_executable(Demo${DIR_SRCS}) 这样,...
, YES, TRUE, Y, or a non-zero number. False if the constant is 0, OFF, NO, FALSE, N, IGNORE, NOTFOUND, the empty string, or ends in the suffix -NOTFOUND. Named boolean constants are case-insensitive. If the argument is not one of these constants, it is treated as a variable....
字母表顺序比较：if (variable STRLESS string)if (string STRLESS string)if (variable STRGREATER string)if (string STRGREATER string)if (variable STREQUAL string)if (string STREQUAL string)示例：if(MSVC)set(LINK_LIBS common)else()set(boost_thread boost_log.a boost_system.a)end iftarget_link_...