Configuring fails on Manjaro Linux

git clone git://code.qt.io/qt/qt5.git
cd qt5/
perl init-repository --module-subset=qtbase

/tmp/qt5/configure -opensource -confirm-license -prefix $PWD/qtbase

-- Configuring done
CMake Error at qtbase/cmake/FindWrapSystemHarfbuzz.cmake:56 (target_link_libraries):
  The link interface of target "WrapSystemHarfbuzz::WrapSystemHarfbuzz"
  contains:

    PkgConfig::PC_HARFBUZZ

  but the target was not found.  Possible reasons include:

    * There is a typo in the target name.
    * A find_package call is missing for an IMPORTED target.
    * An ALIAS target is missing.

Call Stack (most recent call first):
  qtbase/cmake/QtFindPackageHelpers.cmake:130 (find_package)
  qtbase/src/gui/configure.cmake:45 (qt_find_package)
  qtbase/cmake/QtFeature.cmake:573 (include)
  qtbase/src/CMakeLists.txt:12 (qt_feature_evaluate_features)


-- Generating done
CMake Generate step failed.  Build files cannot be regenerated correctly.
CMake Error at /tmp/qt5/qtbase/cmake/QtProcessConfigureArgs.cmake:965 (message):
  CMake exited with code 1.