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configure.ac: add option --enable-eventfd

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Remove the runtime check for eventfd(), hard-code the feature once
it's been selected at compile time.  The class WakeFD is splitted into
EventFD and EventPipe, using WakeFD as a macro diversion.
This commit is contained in:
Max Kellermann
2013-08-06 23:25:57 +02:00
parent 66f678023f
commit 47e16dbee3
10 changed files with 247 additions and 107 deletions
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3
configure.ac
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@@ -139,7 +139,8 @@ AC_SEARCH_LIBS([syslog], [bsd socket inet],
AC_SEARCH_LIBS([socket], [socket])
AC_SEARCH_LIBS([gethostbyname], [nsl])
AC_CHECK_FUNCS(pipe2 accept4 eventfd)
AC_CHECK_FUNCS(pipe2 accept4)
MPD_OPTIONAL_FUNC(eventfd, USE_EVENTFD)
AC_SEARCH_LIBS([exp], [m],,
[AC_MSG_ERROR([exp() not found])])