Do not search for client-specific packages if client is not being built

CMakeLists.txt

@@ -451,12 +451,6 @@ if(TARGET zlib::zlib)
 	add_library(ZLIB::ZLIB ALIAS zlib::zlib)
 endif()
 
-set(FFMPEG_COMPONENTS avutil swscale avformat avcodec)
-if(APPLE_IOS AND NOT USING_CONAN)
-	list(APPEND FFMPEG_COMPONENTS swresample)
-endif()
-find_package(ffmpeg COMPONENTS ${FFMPEG_COMPONENTS})
-
 option(FORCE_BUNDLED_MINIZIP "Force bundled Minizip library" OFF)
 if(NOT FORCE_BUNDLED_MINIZIP)
 	find_package(minizip)
@@ -465,18 +459,26 @@ if(NOT FORCE_BUNDLED_MINIZIP)
 	endif()
 endif()
 
-find_package(SDL2 REQUIRED)
-find_package(SDL2_image REQUIRED)
-if(TARGET SDL2_image::SDL2_image)
-	add_library(SDL2::Image ALIAS SDL2_image::SDL2_image)
-endif()
-find_package(SDL2_mixer REQUIRED)
-if(TARGET SDL2_mixer::SDL2_mixer)
-	add_library(SDL2::Mixer ALIAS SDL2_mixer::SDL2_mixer)
-endif()
-find_package(SDL2_ttf REQUIRED)
-if(TARGET SDL2_ttf::SDL2_ttf)
-	add_library(SDL2::TTF ALIAS SDL2_ttf::SDL2_ttf)
+if (ENABLE_CLIENT)
+	set(FFMPEG_COMPONENTS avutil swscale avformat avcodec)
+	if(APPLE_IOS AND NOT USING_CONAN)
+		list(APPEND FFMPEG_COMPONENTS swresample)
+	endif()
+	find_package(ffmpeg COMPONENTS ${FFMPEG_COMPONENTS})
+
+	find_package(SDL2 REQUIRED)
+	find_package(SDL2_image REQUIRED)
+	if(TARGET SDL2_image::SDL2_image)
+		add_library(SDL2::Image ALIAS SDL2_image::SDL2_image)
+	endif()
+	find_package(SDL2_mixer REQUIRED)
+	if(TARGET SDL2_mixer::SDL2_mixer)
+		add_library(SDL2::Mixer ALIAS SDL2_mixer::SDL2_mixer)
+	endif()
+	find_package(SDL2_ttf REQUIRED)
+	if(TARGET SDL2_ttf::SDL2_ttf)
+		add_library(SDL2::TTF ALIAS SDL2_ttf::SDL2_ttf)
+	endif()
 endif()
 
 if(ENABLE_LOBBY)