# a simple C only test case PROJECT (UseX11 C) INCLUDE (${CMAKE_ROOT}/Modules/FindX11.cmake) ADD_EXECUTABLE (UseX11 X11.c) IF(CMAKE_HAS_X) ADD_DEFINITIONS(-DCMAKE_HAS_X) INCLUDE_DIRECTORIES(${X11_INCLUDE_DIR}) TARGET_LINK_LIBRARIES(UseX11 ${CMAKE_X_LIBS}) ENDIF(CMAKE_HAS_X)