Fix build on Linux.

Telegram/CMakeLists.txt

@@ -102,17 +102,17 @@ endif()
 
 target_link_libraries(Telegram
 PRIVATE
+    tdesktop::lib_tgvoip
     tdesktop::lib_mtproto
     tdesktop::lib_scheme
     tdesktop::lib_export
-    tdesktop::lib_tgvoip
+    desktop-app::lib_webrtc
     desktop-app::lib_base
     desktop-app::lib_crl
     desktop-app::lib_ui
     desktop-app::lib_tl
     desktop-app::lib_storage
     desktop-app::lib_lottie
-    desktop-app::lib_webrtc
     desktop-app::lib_qr
     desktop-app::lib_ffmpeg
     desktop-app::external_lz4
@@ -1226,6 +1226,18 @@ elseif (APPLE)
             )
         endif()
     endif()
+elseif (LINUX)
+    if (NOT TDESKTOP_DISABLE_GTK_INTEGRATION)
+        find_package(PkgConfig REQUIRED)
+
+        pkg_search_module(GTK REQUIRED gtk+-2.0 gtk+-3.0)
+        target_include_directories(Telegram PRIVATE ${GTK_INCLUDE_DIRS})
+
+        if (DESKTOP_APP_USE_PACKAGED)
+            find_library(X11_LIBRARY X11)
+            target_link_libraries(Telegram PRIVATE ${X11_LIBRARY})
+        endif()
+    endif()
 endif()
 
 if (build_macstore)

Telegram/SourceFiles/mainwindow.h

@@ -66,6 +66,7 @@ public:
 	void sendPaths();
 
 	QImage iconWithCounter(int size, int count, style::color bg, style::color fg, bool smallIcon) override;
+	void placeSmallCounter(QImage &img, int size, int count, style::color bg, const QPoint &shift, style::color color) override;
 
 	bool contentOverlapped(const QRect &globalRect);
 	bool contentOverlapped(QWidget *w, QPaintEvent *e) {
@@ -139,7 +140,6 @@ private:
 
 	QPixmap grabInner();
 
-	void placeSmallCounter(QImage &img, int size, int count, style::color bg, const QPoint &shift, style::color color) override;
 	QImage icon16, icon32, icon64, iconbig16, iconbig32, iconbig64;
 
 	crl::time _lastTrayClickTime = 0;

Telegram/SourceFiles/platform/linux/main_window_linux.cpp

@@ -197,34 +197,34 @@ QIcon TrayIconGen(int counter, bool muted) {
 
 		if (!qEnvironmentVariableIsSet(kDisableTrayCounter.utf8())
 			&& counter > 0) {
-			QPainter p(&iconImage);
+			const auto &bg = muted
-			int32 layerSize = -16;
-
-			if (iconSize >= 48) {
-				layerSize = -32;
-			} else if (iconSize >= 36) {
-				layerSize = -24;
-			} else if (iconSize >= 32) {
-				layerSize = -20;
-			}
-
-			auto &bg = muted
 				? st::trayCounterBgMute
 				: st::trayCounterBg;
+			const auto &fg = st::trayCounterFg;
+			if (iconSize >= 22) {
+				auto layerSize = -16;
+				if (iconSize >= 48) {
+					layerSize = -32;
+				} else if (iconSize >= 36) {
+					layerSize = -24;
+				} else if (iconSize >= 32) {
+					layerSize = -20;
+				}
+				const auto layer = App::wnd()->iconWithCounter(
+					layerSize,
+					counter,
+					bg,
+					fg,
+					false);
 
-			auto &fg = st::trayCounterFg;
+				QPainter p(&iconImage);
-
+				p.drawImage(
-			auto layer = App::wnd()->iconWithCounter(
+					iconImage.width() - layer.width() - 1,
-				layerSize,
+					iconImage.height() - layer.height() - 1,
-				counter,
+					layer);
-				bg,
+			} else {
-				fg,
+				App::wnd()->placeSmallCounter(iconImage, 16, counter, bg, QPoint(), fg);
-				false);
+			}
-
-			p.drawImage(
-				iconImage.width() - layer.width() - 1,
-				iconImage.height() - layer.height() - 1,
-				layer);
 		}
 
 		result.addPixmap(App::pixmapFromImageInPlace(

Telegram/cmake/lib_tgvoip.cmake

@@ -176,9 +176,8 @@ else()
 
     target_link_libraries(lib_tgvoip
     PRIVATE
-        desktop-app::external_openssl
-        desktop-app::external_opus
         desktop-app::external_webrtc
+        desktop-app::external_opus
     )
 
     if (LINUX)

docs/building-cmake.md

@@ -68,14 +68,14 @@ Go to ***BuildPath*** and run
 
     git clone https://github.com/01org/libva.git
     cd libva
-    ./autogen.sh --enable-static
+    CFLAGS=-fPIC CPPFLAGS=-fPIC LDFLAGS=-fPIC ./autogen.sh --enable-static
     make $MAKE_THREADS_CNT
     sudo make install
     cd ..
 
     git clone https://gitlab.freedesktop.org/vdpau/libvdpau.git --depth=1 -b libvdpau-1.2
     cd libvdpau
-    ./autogen.sh --enable-static
+    CFLAGS=-fPIC CPPFLAGS=-fPIC LDFLAGS=-fPIC ./autogen.sh --enable-static
     make $MAKE_THREADS_CNT
     sudo make install
     cd ..
@@ -85,6 +85,9 @@ Go to ***BuildPath*** and run
     git checkout release/3.4
 
     ./configure \
+    --extra-cflags="-fPIC" \
+    --extra-cxxflags="-fPIC" \
+    --extra-ldflags="-fPIC" \
     --disable-programs \
     --disable-doc \
     --disable-network \