lib/tevent/libtevent.m4

   1 dnl find the tevent sources. This is meant to work both for
   2 dnl standalone builds, and builds of packages using libtevent
   3 if test x"$teventdir" = "x"; then
   4         teventdir=""
   5         teventpaths="$srcdir $srcdir/../lib/tevent $srcdir/tevent $srcdir/../tevent"
   6         for d in $teventpaths; do
   7                 if test -f "$d/tevent.c"; then
   8                         teventdir="$d"
   9                         AC_SUBST(teventdir)
  10                         break;
  11                 fi
  12         done
  13         if test x"$teventdir" = "x"; then
  14            AC_MSG_ERROR([cannot find libtevent source in $teventpaths])
  15         fi
  16 fi
  17
  18 TEVENT_OBJ="tevent.o tevent_select.o tevent_signal.o tevent_timed.o tevent_standard.o tevent_debug.o tevent_util.o"
  19 AC_LIBREPLACE_NETWORK_CHECKS
  20
  21 SMB_ENABLE(TEVENT_EPOLL, NO)
  22 SMB_ENABLE(TEVENT_AIO, NO)
  23 AC_CHECK_HEADERS(sys/epoll.h)
  24 AC_CHECK_FUNCS(epoll_create)
  25 if test x"$ac_cv_header_sys_epoll_h" = x"yes" -a x"$ac_cv_func_epoll_create" = x"yes"; then
  26    TEVENT_OBJ="$TEVENT_OBJ tevent_epoll.o"
  27    SMB_ENABLE(TEVENT_EPOLL,YES)
  28    AC_DEFINE(HAVE_EPOLL, 1, [Whether epoll available])
  29
  30    # check for native Linux AIO interface
  31    AC_CHECK_HEADERS(libaio.h)
  32    AC_CHECK_LIB_EXT(aio, AIO_LIBS, io_getevents)
  33    if test x"$ac_cv_header_libaio_h" = x"yes" -a x"$ac_cv_lib_ext_aio_io_getevents" = x"yes";then
  34       TEVENT_OBJ="$TEVENT_OBJ tevent_aio.o"
  35       SMB_ENABLE(TEVENT_AIO,YES)
  36       AC_DEFINE(HAVE_LINUX_AIO, 1, [Whether Linux AIO is available])
  37    fi
  38 fi
  39
  40 AC_SUBST(TEVENT_OBJ)
  41 SMB_EXT_LIB(LIBAIO_LINUX, $AIO_LIBS)
  42
  43 TEVENT_CFLAGS="-I$teventdir"
  44 AC_SUBST(TEVENT_CFLAGS)
  45
  46 TEVENT_LIBS="$AIO_LIBS"
  47 AC_SUBST(TEVENT_LIBS)
  48
  49