[client] build: add Windows platform composition

client/platform/Linux/CMakeLists.txt

@@ -0,0 +1,27 @@
+cmake_minimum_required(VERSION 3.10)
+project(client_platform_Linux LANGUAGES C)
+
+set(CLIENT_PLATFORM_LINUX_SOURCES
+  ../../src/clipboard_files.c
+  ../../src/evdev.c
+)
+
+foreach(source IN ITEMS config.c font.c input.c process.c)
+  if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${source}")
+    list(APPEND CLIENT_PLATFORM_LINUX_SOURCES ${source})
+  endif()
+endforeach()
+
+add_library(client_platform_Linux STATIC ${CLIENT_PLATFORM_LINUX_SOURCES})
+
+target_link_libraries(client_platform_Linux
+  PUBLIC
+    lg_common
+    PkgConfig::FONTCONFIG
+    PkgConfig::FUSE3
+)
+
+target_include_directories(client_platform_Linux
+  PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src
+)