cmake HAVE_LIB examples

DCMTK/dcmtk CMake/dcmtkPrepare.cmake :735 

CHECK_LIBRARY_EXISTS("${NAME}" "main" "" "HAVE_LIB${VARNAME}_MAIN")

DCMTK/dcmtk CMake/dcmtkPrepare.cmake :737 

CHECK_LIBRARY_EXISTS("${NAME}" "${SYMBOL}" "" "HAVE_LIB${VARNAME}")

RasPlex/OpenPHT plex/CMakeModules/CMakeFunctions.cmake :127 

mark_as_advanced(FORCE CONFIG_LIBRARY_${LIBN} HAVE_LIB${LIBN} ${LIBN}_SONAME LIB${LIBNAME}_SONAME)

bouffalolab/bouffalo_sdk components/wireless/thread/openthread/src/posix/cli.cmake :38 

target_compile_definitions(ot-cli PRIVATE
    $<$<BOOL:${READLINE}>:HAVE_LIB$<UPPER_CASE:${OT_READLINE}>=1>)

bouffalolab/bouffalo_sdk components/wireless/thread/openthread/src/posix/daemon.cmake :65 

target_compile_definitions(ot-ctl PRIVATE
    $<$<BOOL:${READLINE}>:HAVE_LIB$<UPPER_CASE:${OT_READLINE}>=1>)