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Source
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# found, and sets @LIBEVENT_LDFLAGS@ and @LIBEVENT_CFLAGS@ to the necessary10
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# values.11
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#12
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# This macro is distributed in the hope that it will be useful,13
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# but WITHOUT ANY WARRANTY; without even the implied warranty of14
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.15
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AC_DEFUN([LIBEVENT_TRY_LINK],17
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[18
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[19
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#include <stdlib.h>20
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#include <event.h>19
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#include <event2/event.h>21
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#include <event2/thread.h>22
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]], [[22
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struct event_base *evb;23
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evb = event_base_new();25
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evthread_use_pthreads();24
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event_init();27
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event_base_free(evb);25
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]])],[found_libevent="yes"],[])26
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])dnl27
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AC_DEFUN([LIBEVENT_CHECK_CONFIG],29
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[30
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AC_ARG_WITH([libevent],[31
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If you want to specify libevent installation directories:32
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AS_HELP_STRING([--with-libevent@<:@=DIR@:>@], [use libevent from given base install directory (DIR), default is to search through a number of common places for the libevent files.])],33
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[34
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if test "x$withval" = "xyes"; then35
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if test -f /usr/local/include/event.h; then withval=/usr/local; else withval=/usr; fi38
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if test -f /usr/local/include/event2/event.h; then withval=/usr/local; else withval=/usr; fi36
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fi37
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LIBEVENT_CFLAGS="-I$withval/include"39
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LIBEVENT_LDFLAGS="-L$withval/lib"40
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_libevent_dir_set="yes"41
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]42
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)43
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AC_ARG_WITH([libevent-include],45
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AS_HELP_STRING([--with-libevent-include@<:@=DIR@:>@],56
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[use libevent libraries from given path.]57
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),58
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[59
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LIBEVENT_LDFLAGS="-L$withval"60
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_libevent_dir_set="yes"61
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]62
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)63
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AC_MSG_CHECKING(for libevent support)65
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if test "x$ARCH" = "xopenbsd"; then67
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LIBEVENT_LIBS="-levent_core -levent_pthreads"68
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else69
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LIBEVENT_LIBS="-levent -levent_pthreads"70
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fi69
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LIBEVENT_LIBS="-levent_core -levent_extra -levent_pthreads"71
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if test -n "$_libevent_dir_set" -o -f /usr/include/event.h; then71
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if test -n "$_libevent_dir_set" -o -f /usr/include/event2/event.h; then73
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found_libevent="yes"74
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elif test -f /usr/local/include/event.h; then73
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elif test -f /usr/local/include/event2/event.h; then75
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LIBEVENT_CFLAGS="-I/usr/local/include"76
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LIBEVENT_LDFLAGS="-L/usr/local/lib"77
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found_libevent="yes"78
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else79
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found_libevent="no"80
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AC_MSG_RESULT(no)81
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fi82
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if test "x$found_libevent" = "xyes"; then84
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am_save_CFLAGS="$CFLAGS"