cmake:CMAKE_CURRENT_SOURCE_DIR与CMAKE_SOURCE_DIR
CMAKE_CURRENT_SOURCE_DIR:当前CMakeLists.txt所在目录CMAKE_SOURCE_DIR: 最外层CMakeLists.txt所在目录最外层CMakeLists.txtcmake_minimum_required(VERSION 3.16)project(matser)set(CMAKE_CXX_STANDARD 14)message("matser_CMAKE_
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CMAKE_BINARY_DIR和CMAKE_CURRENT_SOURCE_DIR和CMAKE_SOURCE_DIR的区别
- CMAKE_CURRENT_SOURCE_DIR:当前正在处理的源目录的路径.
- CMAKE_SOURCE_DIR: 最外层CMakeLists.txt所在目录
最外层CMakeLists.txt
cmake_minimum_required(VERSION 3.16)
project(matser)
set(CMAKE_CXX_STANDARD 14)
message("matser_CMAKE_BINARY_DIR: " ${CMAKE_BINARY_DIR} )
message("matser_CMAKE_SOURCE_DIR: " ${CMAKE_SOURCE_DIR} )
if (${CMAKE_BINARY_DIR} STREQUAL ${CMAKE_SOURCE_DIR})
message(FATAL_ERROR "Please into another dir to build!")
endif()
add_subdirectory(lib_c oceanstar)
add_subdirectory(lib_cpp oceanstar_cpp)
add_executable(matser main.cpp)
lib_c和lic_cpp的CMakeLists.txt:
cmake_minimum_required(VERSION 2.8)
message("c_CMAKE_BINARY_DIR: " ${CMAKE_BINARY_DIR} )
message("c_CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR} )
message("c_CMAKE_SOURCE_DIR: " ${CMAKE_SOURCE_DIR} )
if (${CMAKE_BINARY_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
message(FATAL_ERROR "Please into another dir to build!")
endif()
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