Performing Test Qt5Gui_PRIVATE_HEADER_FOUND - Failed

RaymondH

On Linux (CentOS 6.9) I am attempting to build QtWebKit against Qt 5.9.6 that I downloaded from the qt.io downloads site.

When I run Tools/Scripts/build-webkit to configure and build QtWebKit, I get this error:

-- Performing Test Qt5Gui_PRIVATE_HEADER_FOUND
-- Performing Test Qt5Gui_PRIVATE_HEADER_FOUND - Failed
CMake Error at Source/cmake/OptionsQt.cmake:75 (message):
  Header private/qhexstring_p.h is not found.  Please make sure that:

      1. Private headers of Qt5Gui are installed
      2. Qt5Gui_PRIVATE_INCLUDE_DIRS is correctly defined in Qt5GuiConfig.cmake
Call Stack (most recent call first):
  Source/cmake/OptionsQt.cmake:612 (CHECK_QT5_PRIVATE_INCLUDE_DIRS)
  Source/cmake/WebKitCommon.cmake:50 (include)
  CMakeLists.txt:137 (include)

-- Configuring incomplete, errors occurred!

I don't know what to do to fix this.

On another thread it was suggested to add the following to the .pro file, which I did to the WebKit.pro file, but it made no difference:

QT += gui-private

I checked the Qt5GuiConfig.cmake file in my Qt directory and there was some stuff that defined Qt5Gui_PRIVATE_INCLUDE_DIRS (as far as I could see).

I got this same error on Windows a while back and was not able to resolve it there either.

Thanks for any assistance.

Raymond.

RaymondH

Apparently a former build, or something, created the following files, which show up as new files when doing a git status command:

        Source/JavaScriptCore/disassembler/udis86/ud_optable.pyc
        Source/WebCore/inspector/CodeGeneratorInspectorStrings.pyc
        Source/WebKit2/Scripts/webkit2/__init__.pyc
        Source/WebKit2/Scripts/webkit2/messages.pyc
        Source/WebKit2/Scripts/webkit2/model.pyc
        Source/WebKit2/Scripts/webkit2/parser.pyc

Once I delete these files, and reconfigure, the problem seems to have gone away.

Thanks Konstantin for your time.

Konstantin Tokarev

What is the value of Qt5Gui_PRIVATE_INCLUDE_DIRS? Is private/qhexstring_p.h file present there?

RaymondH

Yes, the files are all there as required. The Private include directories exist within the regular include directories: .../include/QtGui/5.9.6/QtGui/private

Something seems to be wrong in how this directory is discovered. Do I have an incorrect/unset environment variable? Something else?

Konstantin Tokarev

Could you post contents of your Qt5GuiConfig.cmake? I still have no idea what is the value of Qt5Gui_PRIVATE_INCLUDE_DIRS in your case

RaymondH

This is the contents of the file. It is located int the Qt distribution at this location: .../lib/cmake/Qt5Gui.

This is just using the scripts that came with Qt & QtWebKit, I don't believe I'm doing anything unusual or custom.

if (CMAKE_VERSION VERSION_LESS 2.8.3)
    message(FATAL_ERROR "Qt 5 requires at least CMake version 2.8.3")
endif()

get_filename_component(_qt5Gui_install_prefix "${CMAKE_CURRENT_LIST_DIR}/../../../" ABSOLUTE)

# For backwards compatibility only. Use Qt5Gui_VERSION instead.
set(Qt5Gui_VERSION_STRING 5.9.6)

set(Qt5Gui_LIBRARIES Qt5::Gui)

macro(_qt5_Gui_check_file_exists file)
    if(NOT EXISTS "${file}" )
        message(FATAL_ERROR "The imported target \"Qt5::Gui\" references the file
   \"${file}\"
but this file does not exist.  Possible reasons include:
* The file was deleted, renamed, or moved to another location.
* An install or uninstall procedure did not complete successfully.
* The installation package was faulty and contained
   \"${CMAKE_CURRENT_LIST_FILE}\"
but not all the files it references.
")
    endif()
endmacro()

macro(_populate_Gui_target_properties Configuration LIB_LOCATION IMPLIB_LOCATION)
    set_property(TARGET Qt5::Gui APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})

    set(imported_location "${_qt5Gui_install_prefix}/lib/${LIB_LOCATION}")
    _qt5_Gui_check_file_exists(${imported_location})
    set_target_properties(Qt5::Gui PROPERTIES
        "INTERFACE_LINK_LIBRARIES" "${_Qt5Gui_LIB_DEPENDENCIES}"
        "IMPORTED_LOCATION_${Configuration}" ${imported_location}
        "IMPORTED_SONAME_${Configuration}" "libQt5Gui.so.5"
        # For backward compatibility with CMake < 2.8.12
        "IMPORTED_LINK_INTERFACE_LIBRARIES_${Configuration}" "${_Qt5Gui_LIB_DEPENDENCIES}"
    )

endmacro()

if (NOT TARGET Qt5::Gui)

    set(_Qt5Gui_OWN_INCLUDE_DIRS "${_qt5Gui_install_prefix}/include/" "${_qt5Gui_install_prefix}/include/QtGui")
    set(Qt5Gui_PRIVATE_INCLUDE_DIRS
        "${_qt5Gui_install_prefix}/include/QtGui/5.9.6"
        "${_qt5Gui_install_prefix}/include/QtGui/5.9.6/QtGui"
    )

    foreach(_dir ${_Qt5Gui_OWN_INCLUDE_DIRS})
        _qt5_Gui_check_file_exists(${_dir})
    endforeach()

    # Only check existence of private includes if the Private component is
    # specified.
    list(FIND Qt5Gui_FIND_COMPONENTS Private _check_private)
    if (NOT _check_private STREQUAL -1)
        foreach(_dir ${Qt5Gui_PRIVATE_INCLUDE_DIRS})
            _qt5_Gui_check_file_exists(${_dir})
        endforeach()
    endif()

    set(Qt5Gui_INCLUDE_DIRS ${_Qt5Gui_OWN_INCLUDE_DIRS})

    set(Qt5Gui_DEFINITIONS -DQT_GUI_LIB)
    set(Qt5Gui_COMPILE_DEFINITIONS QT_GUI_LIB)
    set(_Qt5Gui_MODULE_DEPENDENCIES "Core")


    set(Qt5Gui_OWN_PRIVATE_INCLUDE_DIRS ${Qt5Gui_PRIVATE_INCLUDE_DIRS})

    set(_Qt5Gui_FIND_DEPENDENCIES_REQUIRED)
    if (Qt5Gui_FIND_REQUIRED)
        set(_Qt5Gui_FIND_DEPENDENCIES_REQUIRED REQUIRED)
    endif()
    set(_Qt5Gui_FIND_DEPENDENCIES_QUIET)
    if (Qt5Gui_FIND_QUIETLY)
        set(_Qt5Gui_DEPENDENCIES_FIND_QUIET QUIET)
    endif()
    set(_Qt5Gui_FIND_VERSION_EXACT)
    if (Qt5Gui_FIND_VERSION_EXACT)
        set(_Qt5Gui_FIND_VERSION_EXACT EXACT)
    endif()

    set(Qt5Gui_EXECUTABLE_COMPILE_FLAGS "")

    foreach(_module_dep ${_Qt5Gui_MODULE_DEPENDENCIES})
        if (NOT Qt5${_module_dep}_FOUND)
            find_package(Qt5${_module_dep}
                5.9.6 ${_Qt5Gui_FIND_VERSION_EXACT}
                ${_Qt5Gui_DEPENDENCIES_FIND_QUIET}
                ${_Qt5Gui_FIND_DEPENDENCIES_REQUIRED}
                PATHS "${CMAKE_CURRENT_LIST_DIR}/.." NO_DEFAULT_PATH
            )
        endif()

        if (NOT Qt5${_module_dep}_FOUND)
            set(Qt5Gui_FOUND False)
            return()
        endif()

        list(APPEND Qt5Gui_INCLUDE_DIRS "${Qt5${_module_dep}_INCLUDE_DIRS}")
        list(APPEND Qt5Gui_PRIVATE_INCLUDE_DIRS "${Qt5${_module_dep}_PRIVATE_INCLUDE_DIRS}")
        list(APPEND Qt5Gui_DEFINITIONS ${Qt5${_module_dep}_DEFINITIONS})
        list(APPEND Qt5Gui_COMPILE_DEFINITIONS ${Qt5${_module_dep}_COMPILE_DEFINITIONS})
        list(APPEND Qt5Gui_EXECUTABLE_COMPILE_FLAGS ${Qt5${_module_dep}_EXECUTABLE_COMPILE_FLAGS})
    endforeach()
    list(REMOVE_DUPLICATES Qt5Gui_INCLUDE_DIRS)
    list(REMOVE_DUPLICATES Qt5Gui_PRIVATE_INCLUDE_DIRS)
    list(REMOVE_DUPLICATES Qt5Gui_DEFINITIONS)
    list(REMOVE_DUPLICATES Qt5Gui_COMPILE_DEFINITIONS)
    list(REMOVE_DUPLICATES Qt5Gui_EXECUTABLE_COMPILE_FLAGS)

    set(_Qt5Gui_LIB_DEPENDENCIES "Qt5::Core")


    add_library(Qt5::Gui SHARED IMPORTED)

    set_property(TARGET Qt5::Gui PROPERTY
      INTERFACE_INCLUDE_DIRECTORIES ${_Qt5Gui_OWN_INCLUDE_DIRS})
    set_property(TARGET Qt5::Gui PROPERTY
      INTERFACE_COMPILE_DEFINITIONS QT_GUI_LIB)

    set(_Qt5Gui_PRIVATE_DIRS_EXIST TRUE)
    foreach (_Qt5Gui_PRIVATE_DIR ${Qt5Gui_OWN_PRIVATE_INCLUDE_DIRS})
        if (NOT EXISTS ${_Qt5Gui_PRIVATE_DIR})
            set(_Qt5Gui_PRIVATE_DIRS_EXIST FALSE)
        endif()
    endforeach()

    if (_Qt5Gui_PRIVATE_DIRS_EXIST
        AND NOT CMAKE_VERSION VERSION_LESS 3.0.0 )
        add_library(Qt5::GuiPrivate INTERFACE IMPORTED)
        set_property(TARGET Qt5::GuiPrivate PROPERTY
            INTERFACE_INCLUDE_DIRECTORIES ${Qt5Gui_OWN_PRIVATE_INCLUDE_DIRS}
        )
        set(_Qt5Gui_PRIVATEDEPS)
        foreach(dep ${_Qt5Gui_LIB_DEPENDENCIES})
            if (TARGET ${dep}Private)
                list(APPEND _Qt5Gui_PRIVATEDEPS ${dep}Private)
            endif()
        endforeach()
        set_property(TARGET Qt5::GuiPrivate PROPERTY
            INTERFACE_LINK_LIBRARIES Qt5::Gui ${_Qt5Gui_PRIVATEDEPS}
        )
    endif()

    _populate_Gui_target_properties(RELEASE "libQt5Gui.so.5.9.6" "" )




    file(GLOB pluginTargets "${CMAKE_CURRENT_LIST_DIR}/Qt5Gui_*Plugin.cmake")

    macro(_populate_Gui_plugin_properties Plugin Configuration PLUGIN_LOCATION)
        set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})

        set(imported_location "${_qt5Gui_install_prefix}/plugins/${PLUGIN_LOCATION}")
        _qt5_Gui_check_file_exists(${imported_location})
        set_target_properties(Qt5::${Plugin} PROPERTIES
            "IMPORTED_LOCATION_${Configuration}" ${imported_location}
        )
    endmacro()

    if (pluginTargets)
        foreach(pluginTarget ${pluginTargets})
            include(${pluginTarget})
        endforeach()
    endif()


    include("${CMAKE_CURRENT_LIST_DIR}/Qt5GuiConfigExtras.cmake")


_qt5_Gui_check_file_exists("${CMAKE_CURRENT_LIST_DIR}/Qt5GuiConfigVersion.cmake")

endif()

Konstantin Tokarev

@RaymondH Could you upload CMakeOutput.log and CMakeError.log?

Konstantin Tokarev

And CMakeCache.txt

RaymondH

Sorry, but apparently I don't have permission to attach files, so I just listed it here.

Here is CMakeOutput.log (Part 1):

The system is: Linux - 2.6.32-696.el6.x86_64 - x86_64
Compiling the C compiler identification source file "CMakeCCompilerId.c" succeeded.
Compiler: /opt/anss/bin/cc 
Build flags: 
Id flags: 

The output was:
0


Compilation of the C compiler identification source "CMakeCCompilerId.c" produced "a.out"

The C compiler identification is GNU, found in "/home/staff/rmhoffma/Qt/QtBuilds/qtwebkit/WebKitBuild/Release/CMakeFiles/2.8.12.2/CompilerIdC/a.out"

Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded.
Compiler: /opt/anss/bin/c++ 
Build flags: 
Id flags: 

The output was:
0


Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "a.out"

The CXX compiler identification is GNU, found in "/home/staff/rmhoffma/Qt/QtBuilds/qtwebkit/WebKitBuild/Release/CMakeFiles/2.8.12.2/CompilerIdCXX/a.out"

Determining if the C compiler works passed with the following output:
Change Dir: /home/staff/rmhoffma/Qt/QtBuilds/qtwebkit/WebKitBuild/Release/CMakeFiles/CMakeTmp

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Konstantin Tokarev

You can use any pastebin service

RaymondH

Apparently I don't have enough of a reputation, and had to wait 10 minutes before posting again...

You can find the 3 files at this pastebin: https://pastebin.com/Lr1XEq1c

Konstantin Tokarev

/opt/anss/bin/c++    -fno-exceptions -fno-strict-aliasing -fno-rtti -std=c++11 -DQt5Gui_PRIVATE_HEADER_FOUND    CMakeFiles/cmTryCompileExec3077754407.dir/src.cxx.o  -o cmTryCompileExec3077754407 -rdynamic /home/staff/rmhoffma/Qt/qt-5.9.6-linx64-gcc630/lib/libQt5Gui.so.5.9.6 /home/staff/rmhoffma/Qt/qt-5.9.6-linx64-gcc630/lib/libQt5Core.so.5.9.6 -Wl,-rpath,/home/staff/rmhoffma/Qt/qt-5.9.6-linx64-gcc630/lib
    /home/staff/rmhoffma/Qt/qt-5.9.6-linx64-gcc630/lib/libQt5Gui.so.5.9.6: undefined reference to `memcpy@GLIBC_2.14'
    /home/staff/rmhoffma/Qt/qt-5.9.6-linx64-gcc630/lib/libQt5Core.so.5.9.6: undefined reference to `clock_gettime@GLIBC_2.17'
    /home/staff/rmhoffma/Qt/qt-5.9.6-linx64-gcc630/lib/libQt5Gui.so.5.9.6: undefined reference to `inflateReset2@ZLIB_1.2.3.4'
    collect2: error: ld returned 1 exit status

Looks like a problem with your compiler and/or Qt

Konstantin Tokarev

As for error reporting: yes, it's highly misleading, but unfortunately cmake doesn't allow making compilation tests without linking (and this test should check just that #include doesn't fail

RaymondH

Ok, thanks. I will investigate.

Thanks so much for taking the time to help.

Konstantin Tokarev

By chance, are you using custom mkspec when building Qt? Assuming that Qt is built with the same compiler

RaymondH

I have resolved the issue with the undefined references to the three libraries as indicated above.

However, though that was fixed, I now do indeed have an issue with the private headers not found, as shown below.

I shouldn't need to explicitly add the private header directories to my INCLUDE environment variables, should I? There would potentially be many of them. I'd expect them to be found automatically in some way... How is this done?

From the CMakeError.log file:

/opt/anss/bin/g++   -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NO_DEBUG -fno-exceptions -fno-strict-aliasing -fno-rtti -std=c++11 -DQt5Gui_PRIVATE_HEADER_FOUND -I/home/staff/rmhoffma/Qt/QtBuildBin/include -I/home/staff/rmhoffma/Qt/QtBuildBin/include/QtGui -I/home/staff/rmhoffma/Qt/QtBuildBin/include/QtCore -I/home/staff/rmhoffma/Qt/QtBuildBin/./mkspecs/linux-g++    -fPIC -o CMakeFiles/cmTryCompileExec1880278613.dir/src.cxx.o -c /home/staff/rmhoffma/Qt/QtBuilds/qtwebkitBuild/release/CMakeFiles/CMakeTmp/src.cxx
/home/staff/rmhoffma/Qt/QtBuilds/qtwebkitBuild/release/CMakeFiles/CMakeTmp/src.cxx:2:42: fatal error: private/qhexstring_p.h: No such file or directory
         #include <private/qhexstring_p.h>
                                          ^
compilation terminated.
gmake[2]: *** [CMakeFiles/cmTryCompileExec1880278613.dir/src.cxx.o] Error 1
gmake[2]: Leaving directory `/home/staff/rmhoffma/Qt/QtBuilds/qtwebkitBuild/release/CMakeFiles/CMakeTmp'
gmake[1]: *** [cmTryCompileExec1880278613/fast] Error 2
gmake[1]: Leaving directory `/home/staff/rmhoffma/Qt/QtBuilds/qtwebkitBuild/release/CMakeFiles/CMakeTmp'

Source file was:

        #include <private/qhexstring_p.h>
        int main() { return 0; }

Thanks for any assistance...

Konstantin Tokarev

CMake caches results of compilation tests in build directory (in CMakeCache.txt file), so I guess that you've fixed issue with unresolved libraries successfully but didn't clear cache after that

RaymondH

I delete everything from my build directory before running make, including any CMakeCache.txt file. Unless there is another location that files are stored on building, I believe I'm starting with a clean slate.

Konstantin Tokarev

@RaymondH said in Performing Test Qt5Gui_PRIVATE_HEADER_FOUND - Failed:

-DQt5Gui_PRIVATE_HEADER_FOUND

What is in CMakeError.log if you don't add -DQt5Gui_PRIVATE_HEADER_FOUND?

RaymondH

This is an automated script - i.e. it's configuring things using the OptionsQt.cmake file. I am not adding any parameters manually. How do I remove parameters that I didn't add and are added atomatically?

RaymondH

This post is deleted!