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113 lines
2.9 KiB
113 lines
2.9 KiB
1 year ago
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# LIBEVENT_CHECK_CONFIG ([DEFAULT-ACTION])
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# ----------------------------------------------------------
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#
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# Checks for libevent. DEFAULT-ACTION is the string yes or no to
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# specify whether to default to --with-libevent or --without-libevent.
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# If not supplied, DEFAULT-ACTION is no.
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#
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# This macro #defines HAVE_LIBEVENT if a required header files is
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# found, and sets @LIBEVENT_LDFLAGS@ and @LIBEVENT_CFLAGS@ to the necessary
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# values.
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#
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# This macro is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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AC_DEFUN([LIBEVENT_TRY_LINK],
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[
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <stdlib.h>
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#include <event.h>
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#include <event2/thread.h>
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]], [[
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evthread_use_pthreads();
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event_init();
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]])],[found_libevent="yes"],[])
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])dnl
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AC_DEFUN([LIBEVENT_CHECK_CONFIG],
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[
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AC_ARG_WITH([libevent],[
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If you want to specify libevent installation directories:
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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.])],
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[
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if test "x$withval" = "xyes"; then
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if test -f /usr/local/include/event.h; then withval=/usr/local; else withval=/usr; fi
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fi
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LIBEVENT_CFLAGS="-I$withval/include"
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LIBEVENT_LDFLAGS="-L$withval/lib"
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_libevent_dir_set="yes"
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]
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)
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AC_ARG_WITH([libevent-include],
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AS_HELP_STRING([--with-libevent-include@<:@=DIR@:>@],
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[use libevent include headers from given path.]
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),
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[
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LIBEVENT_CFLAGS="-I$withval"
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_libevent_dir_set="yes"
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]
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)
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AC_ARG_WITH([libevent-lib],
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AS_HELP_STRING([--with-libevent-lib@<:@=DIR@:>@],
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[use libevent libraries from given path.]
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),
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[
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LIBEVENT_LDFLAGS="-L$withval"
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_libevent_dir_set="yes"
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]
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)
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AC_MSG_CHECKING(for libevent support)
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if test "x$ARCH" = "xopenbsd"; then
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LIBEVENT_LIBS="-levent_core -levent_pthreads"
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else
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LIBEVENT_LIBS="-levent -levent_pthreads"
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fi
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if test -n "$_libevent_dir_set" -o -f /usr/include/event.h; then
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found_libevent="yes"
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elif test -f /usr/local/include/event.h; then
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LIBEVENT_CFLAGS="-I/usr/local/include"
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LIBEVENT_LDFLAGS="-L/usr/local/lib"
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found_libevent="yes"
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else
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found_libevent="no"
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AC_MSG_RESULT(no)
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fi
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if test "x$found_libevent" = "xyes"; then
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am_save_CFLAGS="$CFLAGS"
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am_save_LDFLAGS="$LDFLAGS"
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am_save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $LIBEVENT_CFLAGS"
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LDFLAGS="$LDFLAGS $LIBEVENT_LDFLAGS"
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LIBS="$LIBS $LIBEVENT_LIBS"
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found_libevent="no"
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LIBEVENT_TRY_LINK([no])
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CFLAGS="$am_save_CFLAGS"
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LDFLAGS="$am_save_LDFLAGS"
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LIBS="$am_save_LIBS"
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fi
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if test "x$found_libevent" = "xyes"; then
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AC_DEFINE([HAVE_LIBEVENT], 1, [Define to 1 if you have the 'libevent' library (-levent)])
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AC_MSG_RESULT(yes)
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else
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LIBEVENT_CFLAGS=""
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LIBEVENT_LDFLAGS=""
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LIBEVENT_LIBS=""
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fi
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AC_SUBST(LIBEVENT_CFLAGS)
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AC_SUBST(LIBEVENT_LDFLAGS)
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AC_SUBST(LIBEVENT_LIBS)
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])dnl
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