set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules ${CMAKE_MODULE_PATH} )

pkg_get_variable(XKBDIR xkeyboard-config xkb_base)
if (NOT XKBDIR)
    message(FATAL_ERROR "Couldn't find xkb_base using pkg-config: is xkeyboard-config installed?")
elseif (CMAKE_CROSSCOMPILING)
    if (NOT EXISTS "${CMAKE_SYSROOT}/${XKBDIR}")
      message(FATAL_ERROR "Couldn't find XKB location in CMAKE_SYSROOT: \"${CMAKE_SYSROOT}/${XKBDIR}\"")
    endif()
elseif(NOT EXISTS "${XKBDIR}")
    message(FATAL_ERROR "Couldn't find XKB location: \"${XKBDIR}\".")
endif()

check_function_exists(statvfs HAVE_STATVFS)
check_include_files(limits.h HAVE_LIMITS_H)
check_include_files(sys/time.h HAVE_SYS_TIME_H)     # ksmserver, ksplashml, sftp
check_include_files("sys/stat.h;sys/vfs.h" HAVE_SYS_VFS_H) # statvfs for plasma/solid
check_include_files("sys/stat.h;sys/statvfs.h" HAVE_SYS_STATVFS_H) # statvfs for plasma/solid
check_include_files(sys/param.h HAVE_SYS_PARAM_H)
check_include_files("sys/param.h;sys/mount.h" HAVE_SYS_MOUNT_H)
check_include_files("sys/types.h;sys/statfs.h" HAVE_SYS_STATFS_H)
check_include_files(unistd.h HAVE_UNISTD_H)
set(HAVE_XCURSOR {X11_Xcursor_FOUND}) # many uses

set(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h)

set(CMAKE_REQUIRED_INCLUDES ${X11_Xrandr_INCLUDE_PATH}/Xrandr.h)
set(CMAKE_REQUIRED_LIBRARIES ${X11_Xrandr_LIB})