#
# SYNOPSIS
#
-# AX_LIBEVENT(), AX_LIBEVENT2(), AX_LIBEVENT2_EVHTTP()
+# AX_LIBEVENT([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+# AX_LIBEVENT2()
+# AX_LIBEVENT2_EVHTTP()
#
# DESCRIPTION
#
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 2
+#serial 5
AC_DEFUN([AX_LIBEVENT],
[AC_PREREQ([2.63])dnl
AC_CACHE_CHECK([test for a working libevent],[ax_cv_libevent],
- [AX_SAVE_FLAGS
- LIBS="-levent $LIBS"
- AC_LANG_PUSH([C])
- AC_RUN_IFELSE([
- AC_LANG_PROGRAM([
+ [AX_SAVE_FLAGS
+ LIBS="-levent $LIBS"
+ AC_LANG_PUSH([C])
+ AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/time.h>
#include <stdlib.h>
#include <event.h>
- ],[
- struct event_base *tmp_event= event_init();
- event_base_free(tmp_event);
- ])],
- [ax_cv_libevent=yes],
- [ax_cv_libevent=no],
- [AC_MSG_WARN([test program execution failed])])
- AC_LANG_POP
- AX_RESTORE_FLAGS
- ])
+ ]],[[
+ struct event_base *tmp_event= event_init();
+ event_base_free(tmp_event);
+ ]])],
+ [ax_cv_libevent=yes],
+ [ax_cv_libevent=no],
+ [AC_MSG_WARN([test program execution failed])])
+ AC_LANG_POP
+ AX_RESTORE_FLAGS
+ ])
AS_IF([test "x$ax_cv_libevent" = "xyes"],
- [LIBEVENT_LDFLAGS="-levent"
- AC_SUBST(LIBEVENT_LDFLAGS)
- AC_DEFINE([HAVE_LIBEVENT],[1],[Define if event_init is present in event.h.])],
- [AC_DEFINE([HAVE_LIBEVENT],[0],[Define if event_init is present in event.h.])])
+ [AC_SUBST([LIBEVENT_LIB],[-levent])
+ AC_DEFINE([HAVE_LIBEVENT],[1],[Define if event_init is present in event.h.])],
+ [AC_DEFINE([HAVE_LIBEVENT],[0],[Define if event_init is present in event.h.])])
AM_CONDITIONAL(HAVE_LIBEVENT, test "x$ax_cv_libevent" = "xyes")
+# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
+ AS_IF([test "x$ax_cv_libevent" = xyes],
+ [$1],
+ [$2])
])
- AC_DEFUN([AX_LIBEVENT2],
- [AC_REQUIRE([AX_LIBEVENT])
- AC_CACHE_CHECK([test for a working libevent version 2],[ax_cv_libevent2],
- [AX_SAVE_FLAGS
- LIBS="-levent $LIBS"
- AC_LANG_PUSH([C])
- AC_RUN_IFELSE([
- AC_LANG_PROGRAM([
+AC_DEFUN([AX_LIBEVENT2],
+ [AC_REQUIRE([AX_LIBEVENT])
+ AC_CACHE_CHECK([test for a working libevent version 2],[ax_cv_libevent2],
+ [AX_SAVE_FLAGS
+ LIBS="-levent $LIBS"
+ AC_LANG_PUSH([C])
+ AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/time.h>
#include <stdlib.h>
#include <event2/event.h>
- ],[
- struct event_base *tmp_event= event_init();
- event_base_free(tmp_event);
- ])],
- [ax_cv_libevent2=yes],
- [ax_cv_libevent2=no],
- [AC_MSG_WARN([test program execution failed])])
- AC_LANG_POP
- AX_RESTORE_FLAGS
- ])
+ ]],[[
+ struct event_base *___event_base= event_base_new();
+ event_base_free(___event_base);
+ ]])],
+ [ax_cv_libevent2=yes],
+ [ax_cv_libevent2=no],
+ [AC_MSG_WARN([test program execution failed])])
+ AC_LANG_POP([C])
+ AX_RESTORE_FLAGS
+ ])
- AS_IF([test "x$ax_cv_libevent2" = xyes],
- [LIBEVENT2_LDFLAGS="-levent"
- AC_SUBST(LIBEVENT2_LDFLAGS)
- AC_DEFINE([HAVE_LIBEVENT2],[1],[Define if event_init is present in event2/event.h.])],
- [AC_DEFINE([HAVE_LIBEVENT2],[0],[Define if event_init is present in event2/event.h.])])
+ AS_IF([test "x$ax_cv_libevent2" = xyes],
+ [AC_SUBST([LIBEVENT2_LIB],[-levent])
+ AC_DEFINE([HAVE_LIBEVENT2],[1],[Define if event_init is present in event2/event.h.])],
+ [AC_DEFINE([HAVE_LIBEVENT2],[0],[Define if event_init is present in event2/event.h.])])
- AM_CONDITIONAL([HAVE_LIBEVENT2], [test "x$ax_cv_libevent2" = xyes])
- ])
+ AM_CONDITIONAL([HAVE_LIBEVENT2], [test "x$ax_cv_libevent2" = xyes])
+# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
+ AS_IF([test "x$ax_cv_libevent2" = xyes],
+ [$1],
+ [$2])
+ ])dnl AX_LIBEVENT2
- AC_DEFUN([AX_LIBEVENT2_EVHTTP],
- [AC_REQUIRE([AX_LIBEVENT2])
- AC_CACHE_CHECK([test for a working libevent2 evhttp interface], [ax_cv_libevent2_evhttp],
- [AX_SAVE_FLAGS
- LIBS="-levent $LIBS"
- AC_LANG_PUSH([C])
- AC_RUN_IFELSE([
- AC_LANG_PROGRAM([
+#
+AC_DEFUN([AX_LIBEVENT2_EVHTTP],
+ [AC_REQUIRE([AX_LIBEVENT2])
+ AC_CACHE_CHECK([test for a working libevent2 evhttp interface], [ax_cv_libevent2_evhttp],
+ [AX_SAVE_FLAGS
+ LIBS="-levent $LIBS"
+ AC_LANG_PUSH([C])
+ AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <sys/time.h>
#include <stdlib.h>
#include <event2/event.h>
#include <event2/http.h>
- ],[
- struct event_base *libbase= event_base_new();
- struct evhttp *libsrvr= evhttp_new(libbase);
- ])],
- [ax_cv_libevent2_evhttp=yes],
- [ax_cv_libevent2_evhttp=no],
- [AC_MSG_WARN([test program execution failed])])
- AC_LANG_POP
- AX_RESTORE_FLAGS
- ])
+ ]],[[
+ struct event_base *___event_base= event_base_new();
+ struct evhttp *___evhttp= evhttp_new(___event_base);
+ evhttp_free(___evhttp);
+ event_base_free(___event_base);
+ ]])],
+ [ax_cv_libevent2_evhttp=yes],
+ [ax_cv_libevent2_evhttp=no],
+ [AC_MSG_WARN([test program execution failed])])
+ AC_LANG_POP([C])
+ AX_RESTORE_FLAGS
+ ])
- AS_IF([test "x$ax_cv_libevent2_evhttp" = "xyes"],
- [LIBEVENT2_LDFLAGS="-levent"
- AC_SUBST(LIBEVENT2_LDFLAGS)
- AC_DEFINE([HAVE_LIBEVENT2],[1],[Define if event_init is present in event2/event.h.])],
- [AC_DEFINE([HAVE_LIBEVENT2],[0],[Define if event_init is present in event2/event.h.])])
+ AS_IF([test "x$ax_cv_libevent2_evhttp" = "xyes"],
+ [AC_DEFINE([HAVE_LIBEVENT2_EVHTTP],[1],[Define if event_init is present in event2/http.h.])],
+ [AC_DEFINE([HAVE_LIBEVENT2_EVHTTP],[0],[Define if event_init is present in event2/http.h.])])
- AM_CONDITIONAL([HAVE_LIBEVENT2_EVHTTP],[test "x$ax_cv_libevent2_evhttp" = xyes])
- ])
+ AM_CONDITIONAL([HAVE_LIBEVENT2_EVHTTP],[test "x$ax_cv_libevent2_evhttp" = xyes])
+# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
+ AS_IF([test "x$ax_cv_libevent2_evhttp" = xyes],
+ [$1],
+ [$2])
+ ])dnl AX_LIBEVENT2_EVHTTP