Comment # 21 on bug 4285 from Vitaly Zaitsev

> It is possible to build telegram-desktop against the system Qt:

Thanks. Merged with my patches and now builds against system Qt works fine, but
I can't run result binary because it cannot find Qt plugin:

linux-vdso.so.1 (0x00007ffd03139000)
liblzma.so.5 => /lib64/liblzma.so.5 (0x00007fa567e72000)
libopenal.so.1 => /lib64/libopenal.so.1 (0x00007fa567bd7000)
libavformat.so.57 => /lib64/libavformat.so.57 (0x00007fa5677e4000)
libavcodec.so.57 => /lib64/libavcodec.so.57 (0x00007fa566437000)
libswresample.so.2 => /lib64/libswresample.so.2 (0x00007fa56621b000)
libswscale.so.4 => /lib64/libswscale.so.4 (0x00007fa565f93000)
libavutil.so.55 => /lib64/libavutil.so.55 (0x00007fa565d19000)
libopus.so.0 => /lib64/libopus.so.0 (0x00007fa565ac8000)
libva-x11.so.1 => /lib64/libva-x11.so.1 (0x00007fa5658c2000)
libva-drm.so.1 => /lib64/libva-drm.so.1 (0x00007fa5656bf000)
libva.so.1 => /lib64/libva.so.1 (0x00007fa56549f000)
libvdpau.so.1 => /lib64/libvdpau.so.1 (0x00007fa565299000)
libz.so.1 => /lib64/libz.so.1 (0x00007fa565083000)
libwebp.so.6 => /lib64/libwebp.so.6 (0x00007fa564e22000)
libminizip.so.1 => /lib64/libminizip.so.1 (0x00007fa564c16000)
libQt5XcbQpa.so.5 => /lib64/libQt5XcbQpa.so.5 (0x00007fa564b12000)
libqconnmanbearer.so => not found
libqgenericbearer.so => not found
libqnmbearer.so => not found
libqwebp.so => not found
libQt5Network.so.5 => /lib64/libQt5Network.so.5 (0x00007fa5649a5000)
libQt5Widgets.so.5 => /lib64/libQt5Widgets.so.5 (0x00007fa564340000)
libQt5Gui.so.5 => /lib64/libQt5Gui.so.5 (0x00007fa563e9d000)
libQt5DBus.so.5 => /lib64/libQt5DBus.so.5 (0x00007fa563e0f000)
libQt5Core.so.5 => /lib64/libQt5Core.so.5 (0x00007fa563985000)
libXi.so.6 => /lib64/libXi.so.6 (0x00007fa563775000)
libXext.so.6 => /lib64/libXext.so.6 (0x00007fa563563000)
libXfixes.so.3 => /lib64/libXfixes.so.3 (0x00007fa56335d000)
libSM.so.6 => /lib64/libSM.so.6 (0x00007fa563155000)
libICE.so.6 => /lib64/libICE.so.6 (0x00007fa562f37000)
libfontconfig.so.1 => /lib64/libfontconfig.so.1 (0x00007fa562cf3000)
libexpat.so.1 => /lib64/libexpat.so.1 (0x00007fa562ac9000)
libfreetype.so.6 => /lib64/libfreetype.so.6 (0x00007fa56280e000)
libxcb-shm.so.0 => /lib64/libxcb-shm.so.0 (0x00007fa56260a000)
libxcb-xfixes.so.0 => /lib64/libxcb-xfixes.so.0 (0x00007fa562402000)
libxcb-render.so.0 => /lib64/libxcb-render.so.0 (0x00007fa5621f2000)
libcrypto.so.10 => /lib64/libcrypto.so.10 (0x00007fa561d91000)
libxcb.so.1 => /lib64/libxcb.so.1 (0x00007fa561b69000)
libX11.so.6 => /lib64/libX11.so.6 (0x00007fa56182a000)
libX11-xcb.so.1 => /lib64/libX11-xcb.so.1 (0x00007fa561628000)
libdbus-1.so.3 => /lib64/libdbus-1.so.3 (0x00007fa5613d8000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007fa5611d2000)
libgthread-2.0.so.0 => /lib64/libgthread-2.0.so.0 (0x00007fa560fd0000)
libglib-2.0.so.0 => /lib64/libglib-2.0.so.0 (0x00007fa560cbd000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fa560a9f000)
libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007fa560717000)
libm.so.6 => /lib64/libm.so.6 (0x00007fa56040e000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007fa5601f5000)
libc.so.6 => /lib64/libc.so.6 (0x00007fa55fe2f000)
librt.so.1 => /lib64/librt.so.1 (0x00007fa55fc27000)
libgcrypt.so.20 => /lib64/libgcrypt.so.20 (0x00007fa55f941000)
libbluray.so.1 => /lib64/libbluray.so.1 (0x00007fa55f6f7000)
libgnutls.so.30 => /lib64/libgnutls.so.30 (0x00007fa55f390000)
libbz2.so.1 => /lib64/libbz2.so.1 (0x00007fa55f17e000)
libxvidcore.so.4 => /lib64/libxvidcore.so.4 (0x00007fa55ee6d000)
libx265.so.79 => /lib64/libx265.so.79 (0x00007fa55e91a000)
libx264.so.148 => /lib64/libx264.so.148 (0x00007fa55e5bc000)
libvpx.so.4 => /lib64/libvpx.so.4 (0x00007fa55e1b3000)
libvorbisenc.so.2 => /lib64/libvorbisenc.so.2 (0x00007fa55df0a000)
libvorbis.so.0 => /lib64/libvorbis.so.0 (0x00007fa55dcdc000)
libtheoraenc.so.1 => /lib64/libtheoraenc.so.1 (0x00007fa55da9b000)
libtheoradec.so.1 => /lib64/libtheoradec.so.1 (0x00007fa55d880000)
libspeex.so.1 => /lib64/libspeex.so.1 (0x00007fa55d667000)
libschroedinger-1.0.so.0 => /lib64/libschroedinger-1.0.so.0
(0x00007fa55d384000)
libopenjp2.so.7 => /lib64/libopenjp2.so.7 (0x00007fa55d14e000)
libmp3lame.so.0 => /lib64/libmp3lame.so.0 (0x00007fa55ced5000)
libmfx.so.0 => /lib64/libmfx.so.0 (0x00007fa55ccc1000)
libgsm.so.1 => /lib64/libgsm.so.1 (0x00007fa55cab5000)
libsoxr.so.0 => /lib64/libsoxr.so.0 (0x00007fa55c852000)
libOpenCL.so.1 => /lib64/libOpenCL.so.1 (0x00007fa55c633000)
libdrm.so.2 => /lib64/libdrm.so.2 (0x00007fa55c420000)
libxcb-render-util.so.0 => /lib64/libxcb-render-util.so.0 (0x00007fa55c21c000)
libxcb-image.so.0 => /lib64/libxcb-image.so.0 (0x00007fa55c017000)
libxcb-icccm.so.4 => /lib64/libxcb-icccm.so.4 (0x00007fa55be12000)
libxcb-sync.so.1 => /lib64/libxcb-sync.so.1 (0x00007fa55bc0b000)
libxcb-randr.so.0 => /lib64/libxcb-randr.so.0 (0x00007fa55b9fb000)
libxcb-shape.so.0 => /lib64/libxcb-shape.so.0 (0x00007fa55b7f7000)
libxcb-keysyms.so.1 => /lib64/libxcb-keysyms.so.1 (0x00007fa55b5f2000)
libxcb-xinerama.so.0 => /lib64/libxcb-xinerama.so.0 (0x00007fa55b3ef000)
libxcb-xkb.so.1 => /lib64/libxcb-xkb.so.1 (0x00007fa55b1d3000)
libxkbcommon-x11.so.0 => /lib64/libxkbcommon-x11.so.0 (0x00007fa55afcb000)
libXrender.so.1 => /lib64/libXrender.so.1 (0x00007fa55adc1000)
libinput.so.10 => /lib64/libinput.so.10 (0x00007fa55ab8f000)
libxkbcommon.so.0 => /lib64/libxkbcommon.so.0 (0x00007fa55a94d000)
libudev.so.1 => /lib64/libudev.so.1 (0x00007fa55a92c000)
libEGL.so.1 => /lib64/libEGL.so.1 (0x00007fa55a719000)
libGL.so.1 => /lib64/libGL.so.1 (0x00007fa55a48d000)
libproxy.so.1 => /lib64/libproxy.so.1 (0x00007fa55a26e000)
libssl.so.10 => /lib64/libssl.so.10 (0x00007fa559ffc000)
libharfbuzz.so.0 => /lib64/libharfbuzz.so.0 (0x00007fa559d96000)
libpng16.so.16 => /lib64/libpng16.so.16 (0x00007fa559b63000)
libicui18n.so.57 => /lib64/libicui18n.so.57 (0x00007fa5596eb000)
libicuuc.so.57 => /lib64/libicuuc.so.57 (0x00007fa559342000)
libicudata.so.57 => /lib64/libicudata.so.57 (0x00007fa5578c5000)
libpcre16.so.0 => /lib64/libpcre16.so.0 (0x00007fa55765c000)
libsystemd.so.0 => /lib64/libsystemd.so.0 (0x00007fa5575cf000)
/lib64/ld-linux-x86-64.so.2 (0x0000562eefe6d000)
libuuid.so.1 => /lib64/libuuid.so.1 (0x00007fa5573ca000)
libbsd.so.0 => /lib64/libbsd.so.0 (0x00007fa5571b5000)
libXau.so.6 => /lib64/libXau.so.6 (0x00007fa556fb1000)
libpcre.so.1 => /lib64/libpcre.so.1 (0x00007fa556d3e000)
libgpg-error.so.0 => /lib64/libgpg-error.so.0 (0x00007fa556b28000)
libxml2.so.2 => /lib64/libxml2.so.2 (0x00007fa5567c1000)
libp11-kit.so.0 => /lib64/libp11-kit.so.0 (0x00007fa55655c000)
libidn2.so.0 => /lib64/libidn2.so.0 (0x00007fa55633a000)
libunistring.so.2 => /lib64/libunistring.so.2 (0x00007fa55600a000)
libtasn1.so.6 => /lib64/libtasn1.so.6 (0x00007fa555df7000)
libnettle.so.6 => /lib64/libnettle.so.6 (0x00007fa555bbd000)
libhogweed.so.4 => /lib64/libhogweed.so.4 (0x00007fa555991000)
libgmp.so.10 => /lib64/libgmp.so.10 (0x00007fa5556fe000)
libnuma.so.1 => /lib64/libnuma.so.1 (0x00007fa5554f3000)
libogg.so.0 => /usr/lib64/libogg.so.0 (0x00007fa5552ec000)
liborc-0.4.so.0 => /lib64/liborc-0.4.so.0 (0x00007fa55506d000)
libgomp.so.1 => /lib64/libgomp.so.1 (0x00007fa554e3f000)
libxcb-util.so.1 => /lib64/libxcb-util.so.1 (0x00007fa554c39000)
libmtdev.so.1 => /lib64/libmtdev.so.1 (0x00007fa554a33000)
libevdev.so.2 => /lib64/libevdev.so.2 (0x00007fa554819000)
libwacom.so.2 => /lib64/libwacom.so.2 (0x00007fa55460d000)
libresolv.so.2 => /lib64/libresolv.so.2 (0x00007fa5543f2000)
libselinux.so.1 => /lib64/libselinux.so.1 (0x00007fa5541cb000)
libcap.so.2 => /lib64/libcap.so.2 (0x00007fa553fc6000)
libGLdispatch.so.0 => /lib64/libGLdispatch.so.0 (0x00007fa553d10000)
libGLX.so.0 => /lib64/libGLX.so.0 (0x00007fa553adf000)
libmodman.so.1 => /lib64/libmodman.so.1 (0x00007fa5538d5000)
libgssapi_krb5.so.2 => /lib64/libgssapi_krb5.so.2 (0x00007fa553688000)
libkrb5.so.3 => /lib64/libkrb5.so.3 (0x00007fa5533a2000)
libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00007fa55319e000)
libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x00007fa552f6d000)
libgraphite2.so.3 => /lib64/libgraphite2.so.3 (0x00007fa552d41000)
liblz4.so.1 => /lib64/liblz4.so.1 (0x00007fa552b2b000)
libffi.so.6 => /lib64/libffi.so.6 (0x00007fa552923000)
libgudev-1.0.so.0 => /lib64/libgudev-1.0.so.0 (0x00007fa552719000)
libgobject-2.0.so.0 => /lib64/libgobject-2.0.so.0 (0x00007fa5524c7000)
libkrb5support.so.0 => /lib64/libkrb5support.so.0 (0x00007fa5522b6000)
libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x00007fa5520b2000)
libgio-2.0.so.0 => /lib64/libgio-2.0.so.0 (0x00007fa551d1f000)
libgmodule-2.0.so.0 => /lib64/libgmodule-2.0.so.0 (0x00007fa551b1b000)
libmount.so.1 => /lib64/libmount.so.1 (0x00007fa5518d1000)
libblkid.so.1 => /lib64/libblkid.so.1 (0x00007fa55168e000)

New SPEC and patches can be find here:
https://github.com/xvitaly/tgbuild/tree/rpmfusion