build: Fix Linux X11 ABI mismatch by defining WEBRTC_USE_X11

Author: Gemini Agent

webrtc-jni/src/main/cpp/CMakeLists.txt

@@ -110,7 +110,7 @@ elseif(LINUX)
         set(CXX_LIBS "-static-libgcc")
     endif()
 
-    target_link_libraries(${PROJECT_NAME} ${CXX_LIBS} pulse udev)
+    target_link_libraries(${PROJECT_NAME} ${CXX_LIBS} pulse udev X11 Xfixes Xrandr Xcomposite Xdamage Xtst Xext Xrender)
 elseif(WIN32)
     target_link_libraries(${PROJECT_NAME} dwmapi.lib mf.lib mfreadwrite.lib mfplat.lib mfuuid.lib shcore.lib)
 endif()

webrtc-jni/src/main/cpp/dependencies/webrtc/CMakeLists.txt

@@ -164,15 +164,15 @@ if(APPLE)
             ${TARGET_INC_DIR}/sdk/objc
             ${TARGET_INC_DIR}/sdk/objc/base
     )
-    target_compile_definitions(${PROJECT_NAME} PUBLIC WEBRTC_MAC WEBRTC_POSIX WEBRTC_USE_H264)
+    target_compile_definitions(${PROJECT_NAME} PUBLIC WEBRTC_MAC WEBRTC_POSIX WEBRTC_USE_H264 WEBRTC_USE_X11)
     target_link_libraries(${PROJECT_NAME} "-framework Foundation" "-framework AVFoundation" "-framework CoreGraphics" "-framework CoreAudio" "-framework CoreVideo" "-framework ScreenCaptureKit" "-framework AudioToolbox" "-framework IOSurface" "-framework ApplicationServices" "-framework AppKit")
 elseif(LINUX)
     # Find DBus
     find_package(PkgConfig QUIET REQUIRED) # Include functions provided by PkgConfig module.
     pkg_check_modules(DBUS REQUIRED dbus-1)
 
     target_include_directories(${PROJECT_NAME} PUBLIC ${DBUS_INCLUDE_DIRS})
-    target_compile_definitions(${PROJECT_NAME} PUBLIC WEBRTC_LINUX WEBRTC_POSIX WEBRTC_USE_H264)
+    target_compile_definitions(${PROJECT_NAME} PUBLIC WEBRTC_LINUX WEBRTC_POSIX WEBRTC_USE_H264 WEBRTC_USE_X11)
     target_link_libraries(${PROJECT_NAME} X11 Xfixes Xrandr Xcomposite dbus-1)
 elseif(WIN32)
     target_compile_definitions(${PROJECT_NAME} PUBLIC WEBRTC_WIN WEBRTC_USE_H264 NOMINMAX WIN32_LEAN_AND_MEAN NDEBUG)