在RPI4上安装QtWebengineView：“找不到合适的fontconfig版本无法构建QtWebEngine”

问题描述

我在RaspBerry Pi 4中安装了QT 5.11.3。 我使用以下命令在RPI上安装QT

sudo apt-get install qt5-*
sudo apt-get install libqt5*
sudo apt-get install qtcreator

现在，我正尝试从此处https://code.qt.io/cgit/qt/qtwebengine.git/上为Qt 5.11.3在RaspBerry Pi 4上安装QtWebEngineView

问题是当我运行 “ qmake -r” 时，出现以下错误

Running configuration tests...
Done running configuration tests.

Configure summary:

Qt WebEngine:
  Embedded build ......................... no
  Pepper Plugins ......................... yes
  Printing and PDF ....................... yes
  Proprietary Codecs ..................... no
  Spellchecker ........................... yes
  Native Spellchecker .................... no
  WebRTC ................................. yes
  Use System Ninja ....................... yes
  Geolocation ............................ no
  Use v8 snapshot ........................ yes
  Use ALSA ............................... yes
  Use pulseAudio ......................... yes
  Optional system libraries used:
    re2 .................................. no
    icu .................................. no
    libwebp,libwebpmux and libwebpdemux . no
    opus ................................. no
    ffmpeg ............................... no
    libvpx ............................... no
    snappy ............................... no
    libsrtp .............................. no
    glib ................................. yes
    zlib ................................. yes
    minizip .............................. no
    libevent ............................. no
    jsoncpp .............................. no
    protobuf ............................. no
    libxml2 and libxslt .................. no
    lcms2 ................................ no
    png .................................. yes
    JPEG ................................. yes
    harfbuzz ............................. no
    freetype ............................. no
  required system libraries:
    fontconfig ........................... no
    dbus ................................. yes
    nss .................................. yes
    khr .................................. yes
    glibc ................................ yes
  required system libraries for qpa-xcb:
    libdrm ............................... yes
    xcomposite ........................... yes
    xcursor .............................. yes
    xi ................................... yes
    xrandr ............................... yes
    xtst ................................. yes

Qt is Now configured for building. Just run 'make'.
Once everything is built,Qt is installed.
You should NOT run 'make install'.
Note that this build cannot be deployed to other machines or devices.

Prior to reconfiguration,make sure you remove any leftovers from
the prevIoUs build.

 
A suitable version of fontconfig Could not be found.
QtWebEngine will not be built.

我检查了 “ config.log” 文件，发现了

loaded result for library config.qtwebengine.libraries.webengine-fontconfig
Trying source 0 (type pkgConfig) of library webengine-fontconfig ...
+ /usr/bin/arm-linux-gnueabihf-pkg-config --exists --silence-errors fontconfig
pkg-config did not find package.
  => source produced no result.
test config.qtwebengine.libraries.webengine-fontconfig Failed

问题是已经安装了“ libfontconfig1-dev”。

有人能指出我正确的方向吗？

谢谢。

解决方法

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