cmake HAVE_LINUX_SOCKIOS_H examples

htcondor/htcondor build/cmake/CondorConfigure.cmake :445 

check_include_files("linux/sockios.h" HAVE_LINUX_SOCKIOS_H)

brndnmtthws/conky cmake/ConkyPlatformChecks.cmake :162 

check_include_files("linux/sockios.h" HAVE_LINUX_SOCKIOS_H)