diff options
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/CheckEpoll.cmake | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/cmake/CheckEpoll.cmake b/cmake/CheckEpoll.cmake new file mode 100644 index 000000000..766d7470f --- /dev/null +++ b/cmake/CheckEpoll.cmake @@ -0,0 +1,28 @@ +# - Check if the system supports epoll. +# CHECK_EPOLL(<var>) +# <var> - variable to store the result +# (1 for success, empty for failure) + +#============================================================================= +# This software is in the public domain, furnished "as is", without technical +# support, and with no warranty, express or implied, as to its usefulness for +# any purpose. +#============================================================================= + +macro(CHECK_EPOLL VARIABLE) + if(UNIX) + if("${VARIABLE}" MATCHES "^${VARIABLE}$") + message(STATUS "Check if the system supports epoll") + include(CheckSymbolExists) + check_symbol_exists(epoll_create "sys/epoll.h" EPOLL_PROTOTYPE_EXISTS) + + if(EPOLL_PROTOTYPE_EXISTS) + message(STATUS "Check if the system supports epoll - yes") + set(${VARIABLE} 1 CACHE INTERNAL "Result of CHECK_EPOLL" FORCE) + else(EPOLL_PROTOTYPE_EXISTS) + message(STATUS "Check if the system supports epoll - no") + set(${VARIABLE} "" CACHE INTERNAL "Result of CHECK_EPOLL" FORCE) + endif(EPOLL_PROTOTYPE_EXISTS) + endif("${VARIABLE}" MATCHES "^${VARIABLE}$") + endif(UNIX) +endmacro(CHECK_EPOLL) |