我使用cmake生成的makefile來編譯依賴於boost文件系統庫的C++文件。如何使用cmake鏈接boost.system
在關聯過程中,我得到了以下錯誤:
Undefined symbols: "boost::system::get_generic_category()", referenced from: __static_initialization_and_destruction_0(int, int)in FaceRecognizer.cpp.o __static_initialization_and_destruction_0(int, int)in FaceRecognizer.cpp.o __static_initialization_and_destruction_0(int, int)in FaceRecognizer.cpp.o "boost::system::get_system_category()", referenced from: __static_initialization_and_destruction_0(int, int)in FaceRecognizer.cpp.o __static_initialization_and_destruction_0(int, int)in FaceRecognizer.cpp.o ld: symbol(s) not found collect2: ld returned 1 exit status make[2]: *** [src/ImageMarker] Error 1
從產生這個錯誤Makefile中的作用是這一行:
cd /Users/janusz/Documents/workspace/ImageMarker/Debug/src && /opt/local/bin/cmake -E cmake_link_script CMakeFiles/ImageMarker.dir/link.txt --verbose=1 /usr/bin/c++ -O3 -Wall -Wno-deprecated -g -verbose -Wl,-search_paths_first -headerpad_max_install_names -fPIC CMakeFiles/ImageMarker.dir/ImageMarker.cpp.o CMakeFiles/ImageMarker.dir/Image.cpp.o CMakeFiles/ImageMarker.dir/utils.cpp.o CMakeFiles/ImageMarker.dir/XMLWriter.cpp.o CMakeFiles/ImageMarker.dir/FaceRecognizer.cpp.o -o ImageMarker -L/opt/local/lib ../libTinyXml.a /opt/local/lib/libboost_filesystem-mt.dylib
一些谷歌搜索給我看,這個錯誤似乎在升級文件系統庫的Mac上是很常見的,因爲我必須鏈接到boost.system庫或根據boost.system庫使我的項目。
如何強制cmake鏈接庫而不硬編碼庫路徑?
在這裏,結果從otool:
otool -L /opt/local/lib/libboost_filesystem-mt.dylib
/opt/local/lib/libboost_filesystem-mt.dylib:
/opt/local/lib/libboost_filesystem-mt.dylib (compatibility version 0.0.0, current version 0.0.0)
/opt/local/lib/libboost_system-mt.dylib (compatibility version 0.0.0, current version 0.0.0)
/usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 7.4.0)
/usr/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version 1.0.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 111.0.0)
Janusz,請做「otool -L /opt/local/lib/libboost_filesystem-mt.dylib」並給我們結果。 謝謝。 – 2009-07-01 07:32:18