c++ - FLTK 1.3 链接错误

Question

我将我的 FLTK 从 1.1 更新到 1.3，然后我无法编译更新前运行良好的代码。

...
    [100%] Building CXX object CMakeFiles/PROSTVIEW.dir/include/nifti/vtkznzlib.cxx.o
    Linking CXX executable PROSTVIEW
    /usr/local/lib/libfltk.a(fl_font.cxx.o): In function `fontopen(char const*, int, bool, int)':
    fl_font.cxx:(.text+0x298): undefined reference to `FcPatternCreate'
    fl_font.cxx:(.text+0x362): undefined reference to `FcPatternAddString'
    fl_font.cxx:(.text+0x3e3): undefined reference to `FcPatternAddString'
    fl_font.cxx:(.text+0x3f7): undefined reference to `FcPatternAddInteger'
    fl_font.cxx:(.text+0x40b): undefined reference to `FcPatternAddInteger'
    fl_font.cxx:(.text+0x424): undefined reference to `FcPatternAddDouble'
    fl_font.cxx:(.text+0x43c): undefined reference to `FcPatternAddString'
    fl_font.cxx:(.text+0x4df): undefined reference to `FcMatrixRotate'
    fl_font.cxx:(.text+0x4f7): undefined reference to `FcPatternAddMatrix'
    fl_font.cxx:(.text+0x516): undefined reference to `FcPatternAddBool'
    fl_font.cxx:(.text+0x52c): undefined reference to `FcPatternAddBool'
    fl_font.cxx:(.text+0x549): undefined reference to `XftFontMatch'
    fl_font.cxx:(.text+0x5a0): undefined reference to `XftFontOpen'
    fl_font.cxx:(.text+0x5b0): undefined reference to `FcPatternDestroy'
    fl_font.cxx:(.text+0x5f3): undefined reference to `XftFontOpenPattern'
    fl_font.cxx:(.text+0x603): undefined reference to `FcPatternDestroy'
    fl_font.cxx:(.text+0x659): undefined reference to `XftFontOpenXlfd'
    /usr/local/lib/libfltk.a(fl_font.cxx.o): In function `utf8extents(Fl_Font_Descriptor*, char const*, int, _XGlyphInfo*)':
    fl_font.cxx:(.text+0x84b): undefined reference to `XftTextExtents32'
    /usr/local/lib/libfltk.a(fl_font.cxx.o): In function `fl_xft_width(Fl_Font_Descriptor*, unsigned int*, int)':
    fl_font.cxx:(.text+0x98a): undefined reference to `XftTextExtents32'
    /usr/local/lib/libfltk.a(fl_font.cxx.o): In function `fl_destroy_xft_draw(unsigned long)':
    fl_font.cxx:(.text+0x102e): undefined reference to `XftDrawChange'
    /usr/local/lib/libfltk.a(fl_font.cxx.o): In function `Fl_Xlib_Graphics_Driver::draw(char const*, int, int, int)':
    fl_font.cxx:(.text+0x10c6): undefined reference to `XftDrawCreate'
    fl_font.cxx:(.text+0x10f6): undefined reference to `XftDrawChange'
    fl_font.cxx:(.text+0x1140): undefined reference to `XftDrawSetClip'
    fl_font.cxx:(.text+0x1202): undefined reference to `XftDrawString32'
    /usr/local/lib/libfltk.a(fl_font.cxx.o): In function `fl_drawUCS4(Fl_Graphics_Driver*, unsigned int const*, int, int, int)':
    fl_font.cxx:(.text+0x1313): undefined reference to `XftDrawCreate'
    fl_font.cxx:(.text+0x1343): undefined reference to `XftDrawChange'
    fl_font.cxx:(.text+0x138d): undefined reference to `XftDrawSetClip'
    fl_font.cxx:(.text+0x1433): undefined reference to `XftDrawString32'
    /usr/local/lib/libfltk.a(fl_font.cxx.o): In function `Fl_Xlib_Graphics_Driver::rtl_draw(char const*, int, int, int)':
    fl_font.cxx:(.text+0x1480): undefined reference to `FcUtf8Len'
    fl_font.cxx:(.text+0x14ff): undefined reference to `FcUtf8ToUcs4'
    collect2: ld returned 1 exit status
    make[2]: *** [PROSTVIEW] Error 1
    make[1]: *** [CMakeFiles/PROSTVIEW.dir/all] Error 2
    make: *** [all] Error 2

这是我的 CMakeLists.txt

cmake_minimum_required(VERSION 2.6)

PROJECT(PROSTVIEW)

SET(CMAKE_BUILD_TYPE DEBUG)
SET(CMAKE_CXX__FLAGS -O3 -pipe -ffast-math -Wno-deprecated)

# Chargement Package
# FLTK
 FIND_PACKAGE ( FLTK )
 IF ( FLTK_FOUND )
    INCLUDE_DIRECTORIES( ${FLTK_INCLUDE_DIR} )
 ENDIF ( FLTK_FOUND )

# ITK
FIND_PACKAGE ( ITK )
IF ( ITK_FOUND )
    INCLUDE( ${USE_ITK_FILE} )
ENDIF( ITK_FOUND ) 

# VTK
FIND_PACKAGE ( VTK )
IF ( VTK_FOUND )
    INCLUDE( ${USE_VTK_FILE} )
ENDIF( VTK_FOUND )
SET(VTK_LIBRARIES vtkCommon vtkRendering vtkWidgets vtkGraphics vtkGenericFiltering vtkzlib)

# vtkFlRenderWindowInteractor
SET(VTKFL_INCLUDE_DIR "include/vtkfl")
SET(VTKFL_CPP 
${VTKFL_INCLUDE_DIR}/vtkFlRenderWindowInteractor.cxx)

# Auxiliary_Tools
SET(AT_DIR "include/Auxiliary_Tools")
SET(AT_INCLUDE_DIR ${AT_DIR}/include)
SET(AT_LIBRARY_DIR ${AT_DIR}/lib)

#Nifty
SET(NII_DIR "include/nifti")
SET(NII_SRC 
${NII_DIR}/vtkNIfTIReader.cxx
${NII_DIR}/vtkNIfTIWriter.cxx
${NII_DIR}/vtkAnalyzeReader.cxx
${NII_DIR}/vtkAnalyzeWriter.cxx
${NII_DIR}/vtknifti1_io.cxx
${NII_DIR}/vtkznzlib.cxx)

#Other include
SET(PROSTVIEW_INCLUDE_DIR "include")
SET(PROSTVIEW_SRC
${PROSTVIEW_INCLUDE_DIR}/ContourTmt.cpp
${PROSTVIEW_INCLUDE_DIR}/conversion.cpp 
${PROSTVIEW_INCLUDE_DIR}/TmtMatrix.cpp) 

# VOLUME Widget
SET(VOLUME_WIDGET_DIR "include/GUI")
SET(VOLUME_WIDGET 
${VOLUME_WIDGET_DIR}/VOLUME_Loader.cpp 
${VOLUME_WIDGET_DIR}/VOLUME_Widget.cpp 
${VOLUME_WIDGET_DIR}/VOLUME_Mouse_Widget.cpp 
${VOLUME_WIDGET_DIR}/VOLUME_3DView.cpp 
${VOLUME_WIDGET_DIR}/CONTOUR_Loader.cpp 
${VOLUME_WIDGET_DIR}/ProstView.cpp)

# MODULES
SET(MODULE_DIR "Module")

# SEGMENTATION
SET(SEGMENTATION_DIR "Module/Segmentation")
SET(SEGMENTATION 
${SEGMENTATION_DIR}/DDC2D.cpp 
${SEGMENTATION_DIR}/DDC3D.cpp 
${SEGMENTATION_DIR}/DDC3DHu.cpp 
${SEGMENTATION_DIR}/DDC3DPlus.cpp 
${SEGMENTATION_DIR}/DDC3DBal.cpp 
${SEGMENTATION_DIR}/IMAGE_ENERGY.cpp 
${SEGMENTATION_DIR}/REGULARIZATION.cpp 
${SEGMENTATION_DIR}/OPTIMAL_SURFACE_DETECTION.cpp 
${SEGMENTATION_DIR}/OPTIMAL_MULTIPLE_SURFACES_DETECTION.cpp 
${SEGMENTATION_DIR}/RESAMPLE_From_Prostate.cpp
${SEGMENTATION_DIR}/RECTAL_WALL_US.cpp 
${SEGMENTATION_DIR}/BLADDER_MRI.cpp 
${SEGMENTATION_DIR}/RECTUM_MRI.cpp 
${SEGMENTATION_DIR}/REGION_GROWING.tpp )

#MESH
SET(MESH_DIR "Module/Mesh")
SET(MESH
${MESH_DIR}/GENERIC_MESH.cpp
${MESH_DIR}/ELLIPSOID_MESH.cpp
${MESH_DIR}/PROSTATE_MESH.cpp
${MESH_DIR}/TUBULAR_MESH.cpp
${MESH_DIR}/OPEN_MESH.cpp
${MESH_DIR}/QUADRIC_MESH.cpp
${MESH_DIR}/ELLIPTICAL_CYLINDER_MESH.cpp 
${MESH_DIR}/CONTOURS_MAN_MESH.cpp)

#STUDY
SET(STUDY_DIR "Module/Statistics")
SET(STUDY
${STUDY_DIR}/PROFILE.cpp
${STUDY_DIR}/Histogram.cpp
${STUDY_DIR}/HISTOGRAM_FROM_MESH.cpp
${STUDY_DIR}/TRAINING_SET_ALIGNMENT.cpp
${STUDY_DIR}/APPEARANCE_MODEL.cpp)

# MOMENTS
SET(MOMENTS_DIR "Module/Moments")
SET(MOMENTS 
${MOMENTS_DIR}/KRAWTCHOUK_Moments.tpp 
${MOMENTS_DIR}/TCHEBICHEF_Moments.tpp 
${MOMENTS_DIR}/GEOMETRIC_Moments.tpp)

#VALIDATION
SET(VALIDATION_DIR "Module/Evaluation")
SET(VALIDATION 
${VALIDATION_DIR}/Metrics.cpp)

# Include et Link Directories
INCLUDE_DIRECTORIES(${FLTK_INCLUDE_DIR} ${VTK_INCLUDE_DIRS} ${VTKFL_INCLUDE_DIR} ${AT_INCLUDE_DIR} ${NII_DIR} ${PROSTVIEW_INCLUDE_DIR} ${VOLUME_WIDGET_DIR} ${MODULE_DIR})
LINK_DIRECTORIES(${FLTK_LIBRARY_DIR} ${VTK_LIBRARY_DIRS} ${AT_LIBRARY_DIR} ${PROSTVIEW_INCLUDE_DIR} ${VOLUME_WIDGET_DIR} ${MODULE_DIR})

# Sources
SET(SRC main.cpp) 

# Executables and "stand-alone " librairies
ADD_EXECUTABLE(PROSTVIEW ${SRC} ${PROSTVIEW_SRC} ${VTKFL_CPP} ${VOLUME_WIDGET} ${SEGMENTATION} ${MESH} ${STUDY} ${MOMENTS} ${VALIDATION} ${NII_SRC})

# Linkage
TARGET_LINK_LIBRARIES(PROSTVIEW  ${FLTK_LIBRARIES} ${VTK_LIBRARIES} ${ITK_LIBRARIES})

我试图在我的 CMakeLists.txt 中添加一些库，但它不起作用。谁能告诉我是什么问题？

Answer 1

来自 FLTK 1.3 的 README.CMake.txt:

USING CMAKE WITH FLTK

This howto assumes that you have FLTK libraries which were built using CMake, installed. Building them with CMake generates some CMake helper files which are installed in standard locations, making FLTK easy to find and use.

Here is a basic CMakeLists.txt file using FLTK.

---

cmake_minimum_required(VERSION 2.6)

project(hello)

find_package(FLTK REQUIRED NO_MODULE) include(${FLTK_USE_FILE})

add_executable(hello WIN32 hello.cxx)

target_link_libraries(hello fltk)

---

The find_package command tells CMake to find the package FLTK, REQUIRED means that it is an error if it's not found. NO_MODULE tells it to search only for the FLTKConfig file, not using the FindFLTK.cmake supplied with CMake, which doesn't work with this version of FLTK.

Once the package is found we include the ${FLTK_USE_FILE} which adds the FLTK include directories and library link information to its knowledge base. After that your programs will be able to find FLTK headers and when you link the fltk library, it automatically links the libraries fltk depends on.

似乎从 FLTK 1.1 到 1.3，他们改变了查找库所需的方法，可能是出于可比性/测试的原因？

我被同样的问题挂断了，希望有人觉得这有用。 :)