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如果我編譯與克命令行++直接,我所看到的一切我需要的是有:如何讓CMake識別Ubuntu上的pthread?
$ g++ -pthread test.cpp
$ ldd a.out
linux-vdso.so.1 => (0x00007fffd05b3000)
libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f4a1ba8d000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f4a1b870000)
...more...
然後我試圖創建一個簡單的CMake文件中查找該5線的測試程序:
$ cat CMakeLists.txt
PROJECT (Test CXX)
CMAKE_MINIMUM_REQUIRED (VERSION 2.8)
FIND_PACKAGE (Threads REQUIRED)
ADD_EXECUTABLE (test test.cpp)
TARGET_LINK_LIBRARIES (test ${CMAKE_THREAD_LIBS_INIT})
不過,我想不通爲什麼CMake的沒有找到它所需要使用Threads
:
$ cd build/
$ cmake ..
CMake Error at /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:97 (MESSAGE):
Could NOT find Threads (missing: Threads_FOUND)
Call Stack (most recent call first):
/usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:288 (_FPHSA_FAILURE_MESSAGE)
/usr/share/cmake-2.8/Modules/FindThreads.cmake:166 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
CMakeLists.txt:4 (FIND_PACKAGE)
-- Configuring incomplete, errors occurred!
需要注意的是'PROJECT ...'聲明應該在'Find ......實際上是用的。 – 2013-11-27 01:22:27