dnl find the tevent sources. This is meant to work both for dnl standalone builds, and builds of packages using libtevent AC_SUBST(teventdir) if test x"$teventdir" = "x"; then teventdir="" teventpaths="$srcdir $srcdir/../lib/tevent $srcdir/tevent $srcdir/../tevent" for d in $teventpaths; do if test -f "$d/tevent.c"; then teventdir="$d" break; fi done if test x"$teventdir" = "x"; then AC_MSG_ERROR([cannot find libtevent source in $teventpaths]) fi fi TEVENT_OBJ="" TEVENT_CFLAGS="" TEVENT_LIBS="" AC_SUBST(TEVENT_OBJ) AC_SUBST(TEVENT_CFLAGS) AC_SUBST(TEVENT_LIBS) TEVENT_CFLAGS="-I$teventdir" TEVENT_OBJ="tevent.o tevent_fd.o tevent_timed.o tevent_signal.o tevent_debug.o tevent_util.o" TEVENT_OBJ="$TEVENT_OBJ tevent_standard.o tevent_select.o" tevent_cv_aio_support=no AC_CHECK_HEADERS(sys/epoll.h) AC_CHECK_FUNCS(epoll_create) if test x"$ac_cv_header_sys_epoll_h" = x"yes" -a x"$ac_cv_func_epoll_create" = x"yes"; then TEVENT_OBJ="$TEVENT_OBJ tevent_epoll.o" AC_DEFINE(HAVE_EPOLL, 1, [Whether epoll available]) # check for native Linux AIO interface AC_CHECK_HEADERS(libaio.h) AC_CHECK_LIB_EXT(aio, TEVENT_LIBS, io_getevents) if test x"$ac_cv_header_libaio_h" = x"yes" -a x"$ac_cv_lib_ext_aio_io_getevents" = x"yes";then TEVENT_OBJ="$TEVENT_OBJ tevent_aio.o" tevent_cv_aio_support=yes AC_DEFINE(HAVE_LINUX_AIO, 1, [Whether Linux AIO is available]) fi fi