[REGRESSION] QtLocation does not build without OpenGL

/tmp/e2/build/qt-everywhere-src-5.15.0-alpha/qtlocation/include/QtLocation/5.15.0/QtLocation/private/../../../../../src/location/declarativemaps/qdeclarativepolygonmapitem_p_p.h: At global scope:
/tmp/e2/build/qt-everywhere-src-5.15.0-alpha/qtlocation/include/QtLocation/5.15.0/QtLocation/private/../../../../../src/location/declarativemaps/qdeclarativepolygonmapitem_p_p.h:152:17: error: 'const char* MapPolygonShader::vertexShader() const' marked 'override', but does not override
  152 |     const char *vertexShader() const override {
      |                 ^~~~~~~~~~~~
/tmp/e2/build/qt-everywhere-src-5.15.0-alpha/qtlocation/include/QtLocation/5.15.0/QtLocation/private/../../../../../src/location/declarativemaps/qdeclarativepolygonmapitem_p_p.h:168:17: error: 'const char* MapPolygonShader::fragmentShader() const' marked 'override', but does not override
  168 |     const char *fragmentShader() const override {
      |                 ^~~~~~~~~~~~~~
/tmp/e2/build/qt-everywhere-src-5.15.0-alpha/qtlocation/include/QtLocation/5.15.0/QtLocation/private/../../../../../src/location/declarativemaps/qdeclarativepolygonmapitem_p_p.h: In member function 'virtual void MapPolygonShader::initialize()':
/tmp/e2/build/qt-everywhere-src-5.15.0-alpha/qtlocation/include/QtLocation/5.15.0/QtLocation/private/../../../../../src/location/declarativemaps/qdeclarativepolygonmapitem_p_p.h:186:23: error: 'program' was not declared in this scope
  186 |         m_matrix_id = program()->uniformLocation("qt_Matrix");
      |                       ^~~~~~~

../qt5/configure -confirm-license -prefix /usr -hostprefix /opt/emlix/test -hostbindir /opt/emlix/test/bin -hostdatadir /opt/emlix/test -bindir /usr/bin -libdir /usr/lib -libexecdir /usr/libexec -headerdir /usr/include/qt5 -archdatadir /usr/lib/qt5 -datadir /usr/share/qt5 -plugindir /usr/lib/qt5/plugins -importdir /usr/lib/qt5/imports -translationdir /usr/share/qt5/translations -release -opensource -shared -pch -pkg-config -platform linux-g++ -device linux-test-g++ -plugin-sql-sqlite -v -no-rpath -nomake tools -sysroot /opt/emlix/test/sysroot -no-opengl -nomake examples -skip activeqt -skip wayland -skip 3d -skip x11extras -skip macextras -skip winextras -skip androidextras -skip webengine -skip webview -skip purchasing -skip charts -skip datavis3d -skip virtualkeyboard -skip gamepad -skip speech -skip networkauth -skip remoteobjects -skip webglplugin -skip lottie -skip quicktimeline -skip quick3d -gui -widgets -alsa -gstreamer -no-cups -dbus-linked -no-directfb -fontconfig -system-freetype -glib -no-iconv -icu -system-libjpeg -system-libpng -openssl-linked -qt-pcre -system-sqlite -tslib -libudev -no-xcb -syslog -system-zlib