CMAKE OS X 故障 AR 没有特定于存档成员



我有一个简单的cmake项目,我无法在OS X 10.8.4上编译。 cmake/make 过程在 Linux 上运行良好,但在 OS X 上我收到此错误:

Linking CXX static library libImageFilter.a
ar: no archive members specified
...
make[2]: *** [lib/libImageFilter.a] Error 1
make[1]: *** [lib/CMakeFiles/ImageFilter.dir/all] Error 2
make: *** [all] Error 2

我在两个平台上都使用了Eclipse CDT4 Generator Unix MakeFile。 这似乎与两个系统上的ar之间的差异有关。但是,我在谷歌上找不到太多可以帮助我解决问题的东西。

以下是为您提供的更多信息

src/CMakeList.txt

make_minimum_required(VERSION 2.8)
project(itkNormals)
FIND_PACKAGE (ITK REQUIRED)
IF( ITK_FOUND )
  include( ${ITK_USE_FILE} )
ENDIF( ITK_FOUND )
add_subdirectory(test)
add_subdirectory(lib)

src/lib/CMakeList.txt

add_library(DotImageFilter itkDotImageFilter.h)
SET_TARGET_PROPERTIES(DotImageFilter PROPERTIES LINKER_LANGUAGE CXX)
target_link_libraries(DotImageFilter ${ITK_LIBRARIES})
add_library(ImageFilter itkImageFilter.hxx)
SET_TARGET_PROPERTIES(ImageFilter PROPERTIES LINKER_LANGUAGE CXX)
target_link_libraries(ImageFilter ${ITK_LIBRARIES})

src/test/CMakeLists.txt:

include_directories(${PROJECT_SOURCE_DIR}/lib)
add_executable(itkNormalsMain itkNormals.cxx)
TARGET_LINK_LIBRARIES(itkNormalsMain ${ITK_LIBRARIES})
TARGET_LINK_LIBRARIES(itkNormalsMain ImageFilter)
TARGET_LINK_LIBRARIES(itkNormalsMain DotImageFilter)
add_executable(dotTestMain dotTester.cxx)
TARGET_LINK_LIBRARIES(dotTestMain ${ITK_LIBRARIES})
TARGET_LINK_LIBRARIES(dotTestMain ImageFilter)
TARGET_LINK_LIBRARIES(dotTestMain DotImageFilter)
add_executable(IST ImageSourceTest.cxx)
TARGET_LINK_LIBRARIES(IST ${ITK_LIBRARIES})
TARGET_LINK_LIBRARIES(IST ImageFilter)

不能从一个头文件创建库:

add_library(ImageFilter itkImageFilter.hxx)
SET_TARGET_PROPERTIES(ImageFilter PROPERTIES LINKER_LANGUAGE CXX)
target_link_libraries(ImageFilter ${ITK_LIBRARIES})

这就是您明确设置LINKER_LANGUAGE的原因 - 没有什么可以链接的,CMAKE 感到困惑。

所以include_directories就足够了:

include_directories(${PROJECT_SOURCE_DIR}/lib)

顺便说一句

如果您指定REQUIRED,则无需检查ITK_FOUND

FIND_PACKAGE (ITK REQUIRED)
IF( ITK_FOUND )
  include( ${ITK_USE_FILE} )
ENDIF( ITK_FOUND )

从文档:

The REQUIRED option stops processing with an error message if the package cannot be found.


PROJECT_SOURCE_DIR 不需要等于 itkNormals_SOURCE_DIR(您可以从其他项目中使用此文件):

include_directories(${PROJECT_SOURCE_DIR}/lib)

可以通过以下方式之一修复:

include_directories(${itkNormals_SOURCE_DIR}/lib)
include_directories(${CMAKE_CURRENT_LIST_DIR}/../lib)

或者只是从父文件中包含:

# src/CMakeLists.txt
include_directories("./lib")

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