code.delx.au - pulseaudio/blob - m4/orc.m4

   1 dnl pkg-config-based checks for Orc
   2
   3 dnl specific:
   4 dnl ORC_CHECK([REQUIRED_VERSION])
   5
   6 AC_DEFUN([ORC_CHECK],
   7 [
   8   ORC_REQ=ifelse([$1], , "0.4.6", [$1])
   9
  10   AC_ARG_ENABLE(orc,
  11   AC_HELP_STRING([--enable-orc],[use Orc if installed]),
  12   [case "${enableval}" in
  13     auto) enable_orc=auto ;;
  14     yes) enable_orc=yes ;;
  15     no)  enable_orc=no ;;
  16     *) AC_MSG_ERROR(bad value ${enableval} for --enable-orc) ;;
  17   esac
  18   ],
  19   [enable_orc=auto]) dnl Default value
  20
  21   if test "x$enable_orc" != "xno" ; then
  22     PKG_CHECK_MODULES(ORC, orc-0.4 >= $ORC_REQ, [
  23       AC_DEFINE(HAVE_ORC, 1, [Use Orc])
  24       HAVE_ORC=yes
  25       if test "x$ORCC" = "x" ; then
  26         AC_MSG_CHECKING(for usable orcc)
  27         ORCC=`$PKG_CONFIG --variable=orcc orc-0.4`
  28         dnl check whether the orcc found by pkg-config can be run from the build environment
  29         dnl if this is not the case (e.g. when cross-compiling) fall back to orcc from PATH
  30         AS_IF([$ORCC --version 1> /dev/null 2> /dev/null], [], [ORCC=`which orcc`])
  31         AC_MSG_RESULT($ORCC)
  32       fi
  33       AC_SUBST(ORCC)
  34       ORCC_FLAGS="--compat $ORC_REQ"
  35       AC_SUBST(ORCC_FLAGS)
  36       AS_IF([test "x$ORCC" = "x"], [HAVE_ORCC=no], [HAVE_ORCC=yes])
  37     ], [
  38       if test "x$enable_orc" = "xyes" ; then
  39         AC_MSG_ERROR([--enable-orc specified, but Orc >= $ORC_REQ not found])
  40       fi
  41       AC_DEFINE(DISABLE_ORC, 1, [Disable Orc])
  42       HAVE_ORC=no
  43       HAVE_ORCC=no
  44     ])
  45   else
  46     AC_DEFINE(DISABLE_ORC, 1, [Disable Orc])
  47     HAVE_ORC=no
  48     HAVE_ORCC=no
  49   fi
  50   AM_CONDITIONAL(HAVE_ORC, [test "x$HAVE_ORC" = "xyes"])
  51   AM_CONDITIONAL(HAVE_ORCC, [test "x$HAVE_ORCC" = "xyes"])
  52
  53 ]))
  54
  55 AC_DEFUN([ORC_OUTPUT],
  56 [
  57   if test "$HAVE_ORC" = yes ; then
  58     printf "configure: *** Orc acceleration enabled.\n"
  59   else
  60     if test "x$enable_orc" = "xno" ; then
  61       printf "configure: *** Orc acceleration disabled by --disable-orc.  Slower code paths\n"
  62       printf "               will be used.\n"
  63     else
  64       printf "configure: *** Orc acceleration disabled.  Requires Orc >= $ORC_REQ, which was\n"
  65       printf "               not found.  Slower code paths will be used.\n"
  66     fi
  67   fi
  68   printf "\n"
  69 ])