Shorten ffmpeg and glib2 components handling

Author: ilya-fedin

cmake/external.cmake

@@ -42,27 +42,9 @@ set(TG_OWT_FFMPEG_INCLUDE_PATH "" CACHE STRING "Include path for ffmpeg.")
 function(link_ffmpeg target_name)
     if (TG_OWT_PACKAGED_BUILD)
         find_package(PkgConfig REQUIRED)
-        pkg_check_modules(AVCODEC REQUIRED libavcodec)
-        pkg_check_modules(AVFORMAT REQUIRED libavformat)
-        pkg_check_modules(AVUTIL REQUIRED libavutil)
-        pkg_check_modules(SWSCALE REQUIRED libswscale)
-        pkg_check_modules(SWRESAMPLE REQUIRED libswresample)
-        target_include_directories(${target_name} SYSTEM
-        PRIVATE
-            ${AVCODEC_INCLUDE_DIRS}
-            ${AVFORMAT_INCLUDE_DIRS}
-            ${AVUTIL_INCLUDE_DIRS}
-            ${SWSCALE_INCLUDE_DIRS}
-            ${SWRESAMPLE_INCLUDE_DIRS}
-        )
-        target_link_libraries(${target_name}
-        PRIVATE
-            ${AVCODEC_LINK_LIBRARIES}
-            ${AVFORMAT_LINK_LIBRARIES}
-            ${AVUTIL_LINK_LIBRARIES}
-            ${SWSCALE_LINK_LIBRARIES}
-            ${SWRESAMPLE_LINK_LIBRARIES}
-        )
+        pkg_check_modules(FFMPEG REQUIRED libavcodec libavformat libavutil libswresample libswscale)
+        target_include_directories(${target_name} SYSTEM PRIVATE ${FFMPEG_INCLUDE_DIRS})
+        target_link_libraries(${target_name} PRIVATE ${FFMPEG_LINK_LIBRARIES})
     else()
         if (TG_OWT_FFMPEG_INCLUDE_PATH STREQUAL "")
             message(FATAL_ERROR "You should specify 'TG_OWT_FFMPEG_INCLUDE_PATH'.")
@@ -205,25 +187,10 @@ endfunction()
 
 function(link_glib target_name)
     find_package(PkgConfig REQUIRED)
-    pkg_check_modules(GLIB2 REQUIRED glib-2.0)
-    pkg_check_modules(GOBJECT REQUIRED gobject-2.0)
-    pkg_check_modules(GIO REQUIRED gio-2.0)
-    pkg_check_modules(GIO_UNIX REQUIRED  gio-unix-2.0)
-    target_include_directories(${target_name} SYSTEM
-    PRIVATE
-        ${GIO_UNIX_INCLUDE_DIRS}
-        ${GIO_INCLUDE_DIRS}
-        ${GOBJECT_INCLUDE_DIRS}
-        ${GLIB2_INCLUDE_DIRS}
-    )
+    pkg_check_modules(GLIB2 REQUIRED glib-2.0 gobject-2.0 gio-2.0 gio-unix-2.0)
+    target_include_directories(${target_name} SYSTEM PRIVATE ${GLIB2_INCLUDE_DIRS})
     if (TG_OWT_PACKAGED_BUILD)
-        target_link_libraries(${target_name}
-        PRIVATE
-            ${GIO_UNIX_LINK_LIBRARIES}
-            ${GIO_LINK_LIBRARIES}
-            ${GOBJECT_LINK_LIBRARIES}
-            ${GLIB2_LINK_LIBRARIES}
-        )
+        target_link_libraries(${target_name} PRIVATE ${GLIB2_LINK_LIBRARIES})
     endif()
 endfunction()