m4/expedite_check_engine.m4

   1 dnl use: EXPEDITE_CHECK_ENGINE(Engine, Description, want[, ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
   2 AC_DEFUN([EXPEDITE_CHECK_ENGINE],
   3 [
   4 pushdef([UP], translit([$1], [-a-z], [_A-Z]))dnl
   5 pushdef([DOWN], translit([$1], [-A-Z], [_a-z]))dnl
   6
   7 want_[]DOWN=$3
   8 have_[]DOWN="no"
   9
  10 AC_ARG_ENABLE($1,
  11   AC_HELP_STRING([--enable-$1], [enable $2 engine]),
  12   [ want_[]DOWN=$enableval ]
  13 )
  14
  15 AC_MSG_CHECKING([whether $2 engine is to be built])
  16 AC_MSG_RESULT($want_[]DOWN)
  17
  18 if test "x$want_[]DOWN" = "xyes"; then
  19   PKG_CHECK_EXISTS([evas-$1 >= 1.0.0],
  20     [
  21       AC_DEFINE(HAVE_EVAS_[]UP, 1, [Evas $2 Engine Support])
  22       have_[]DOWN="yes"
  23     ],
  24     [ have_[]DOWN="no" ]
  25   )
  26 fi
  27
  28 AC_MSG_CHECKING([whether $2 engine is available])
  29 AC_MSG_RESULT($have_[]DOWN)
  30
  31 AM_CONDITIONAL(BUILD_[]UP, [test "x$have_[]DOWN" = "xyes"])
  32
  33 if test "x$have_[]DOWN" = "xyes" ; then
  34   ifelse([$4], , :, [$4])
  35 else
  36   ifelse([$5], , :, [$5])
  37 fi
  38
  39 popdef([UP])
  40 popdef([DOWN])
  41 ])