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96b0a8a474
* required to support non-Linux OS e.g. Mac OS X / BSD * see Github issue #19 Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
29 lines
1.2 KiB
CMake
29 lines
1.2 KiB
CMake
# - Check if the system supports epoll.
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# CHECK_EPOLL(<var>)
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# <var> - variable to store the result
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# (1 for success, empty for failure)
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#=============================================================================
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# This software is in the public domain, furnished "as is", without technical
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# support, and with no warranty, express or implied, as to its usefulness for
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# any purpose.
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#=============================================================================
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macro(CHECK_EPOLL VARIABLE)
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if(UNIX)
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if("${VARIABLE}" MATCHES "^${VARIABLE}$")
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message(STATUS "Check if the system supports epoll")
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include(CheckSymbolExists)
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check_symbol_exists(epoll_create "sys/epoll.h" EPOLL_PROTOTYPE_EXISTS)
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if(EPOLL_PROTOTYPE_EXISTS)
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message(STATUS "Check if the system supports epoll - yes")
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set(${VARIABLE} 1 CACHE INTERNAL "Result of CHECK_EPOLL" FORCE)
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else(EPOLL_PROTOTYPE_EXISTS)
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message(STATUS "Check if the system supports epoll - no")
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set(${VARIABLE} "" CACHE INTERNAL "Result of CHECK_EPOLL" FORCE)
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endif(EPOLL_PROTOTYPE_EXISTS)
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endif("${VARIABLE}" MATCHES "^${VARIABLE}$")
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endif(UNIX)
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endmacro(CHECK_EPOLL)
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