cmake_minimum_required(VERSION 3.6) project(clipboard LANGUAGES C) find_package(PkgConfig) pkg_check_modules(CLIPBOARD_PKGCONFIG REQUIRED x11 xfixes ) add_library(clipboard STATIC src/x11.c ) target_link_libraries(clipboard ${CLIPBOARD_PKGCONFIG_LIBRARIES} ) target_include_directories(clipboard PUBLIC $ $ PRIVATE src ${CLIPBOARD_PKGCONFIG_INCLUDE_DIRS} )