m4/sound.m4

   1 AC_DEFUN([FC_CHECK_SOUND],[
   2  AC_ARG_ENABLE([sdl-mixer],
   3    AS_HELP_STRING([--enable-sdl-mixer], [use the SDL mixer [sdl2]]),
   4   [case "${enableval}" in
   5    no)  USE_SOUND_SDL=no ;;
   6    yes|sdl|sdl2) USE_SOUND_SDL=sdl2 ;;
   7    *)   AC_MSG_ERROR([bad value ${enableval} for --enable-sdl-mixer]) ;;
   8    esac], [USE_SOUND_SDL=maybe])
   9
  10 if test "x$USE_SOUND_SDL" != "xno" ; then
  11   dnl Add SDL2-mixer support to client
  12   SDL2_VERSION=2.0.0
  13   AM_PATH_SDL2($SDL2_VERSION, SDL2=yes, SDL2=no)
  14   if test "x$SDL2" != "xno"; then
  15     PKG_CHECK_MODULES([SDL2MIXER], [SDL2_mixer],
  16 [
  17     SOUND_CFLAGS="$SOUND_CFLAGS $SDL2MIXER_CFLAGS"
  18     SOUND_LIBS="$SOUND_LIBS $SDL2MIXER_LIBS"
  19     AC_DEFINE([AUDIO_SDL], [1], [SDL Mixer support])
  20     AC_DEFINE([AUDIO_SDL2], [1], [SDL-2 Mixer in use])
  21     SDL_mixer=sdl2
  22     SOUND_SDL_OK=true
  23     if test x$sdl_headers_without_path != xyes ; then
  24       AC_CHECK_HEADER([SDL2/SDL_mixer.h], [], [
  25 AC_DEFINE([SDL2_PLAIN_INCLUDE], [1], [sdl2 headers must be included without path])
  26 sdl_headers_without_path=yes])
  27     fi
  28 ], [
  29     ac_save_CPPFLAGS="$CPPFLAGS"
  30     ac_save_CFLAGS="$CFLAGS"
  31     ac_save_LIBS="$LIBS"
  32     CPPFLAGS="$CPPFLAGS $SDL2_CFLAGS"
  33     CFLAGS="$CFLAGS $SDL2_CFLAGS"
  34     LIBS="$LIBS $SDL2_LIBS"
  35     AC_CHECK_HEADER([SDL_mixer.h], [SDL_mixer_h=1], [SDL_mixer_h=0])
  36     AC_CHECK_LIB([SDL2_mixer], [Mix_OpenAudio], [SDL_mixer=sdl2])
  37     CPPFLAGS="$ac_save_CPPFLAGS"
  38     CFLAGS="$ac_save_CFLAGS"
  39     LIBS="$ac_save_LIBS"
  40
  41     AC_MSG_CHECKING([building SDL2_mixer support])
  42     if test "x$SDL_mixer_h" = "x1"; then
  43       if test "x$SDL_mixer" = "xsdl2"; then
  44         SOUND_CFLAGS="$SOUND_CFLAGS $SDL2_CFLAGS"
  45         SOUND_LIBS="$SOUND_LIBS -lSDL2_mixer $SDL2_LIBS"
  46         AC_DEFINE([AUDIO_SDL], [1], [SDL Mixer support])
  47         AC_DEFINE([AUDIO_SDL2], [1], [SDL-2 Mixer in use])
  48         AC_MSG_RESULT([yes])
  49         SOUND_SDL_OK=true
  50       else
  51         AC_MSG_RESULT([no SDL2_mixer library found, install from http://www.libsdl.org/projects/SDL_mixer/index.html ])
  52       fi
  53     else
  54       AC_MSG_RESULT([no SDL2_mixer headers found, install from http://www.libsdl.org/projects/SDL_mixer/index.html])
  55     fi ])
  56   fi
  57 fi
  58
  59 if test "x$USE_SOUND_SDL" = "xsdl2" ;then
  60   if test "x$SOUND_SDL_OK" != "xtrue" ; then
  61      AC_MSG_ERROR([SDL mixer support requested, but cannot be compiled in])
  62   fi
  63 fi
  64 if test "x$USE_SOUND_SDL" = "xmaybe" && test "x$SOUND_SDL_OK" != "xtrue" ; then
  65   feature_sound=missing
  66 fi
  67 if test "x$SDL_mixer" = "x" ; then
  68   SDL_mixer=no
  69 fi
  70 ])