m4/sdl2-client.m4

   1 # Try to configure the SDL2 client (gui-sdl2)
   2
   3 dnl FC_SDL2_CLIENT
   4 dnl Test for SDL and needed libraries for gui-sdl2
   5
   6 AC_DEFUN([FC_SDL2_CLIENT],
   7 [
   8   if test "x$gui_sdl2" = "xyes" || test "x$client" = "xall" ||
   9      test "x$client" = "xauto" ; then
  10     if test "x$SDL_mixer" = "xsdl" ; then
  11       if test "x$gui_sdl2" = "xyes"; then
  12         AC_MSG_ERROR([specified client 'sdl2' not configurable (cannot use SDL_mixer with it))])
  13       fi
  14       sdl2_found=no
  15     else
  16       AM_PATH_SDL2([2.0.0], [sdl2_found="yes"], [sdl2_found="no"])
  17     fi
  18     if test "$sdl2_found" = yes; then
  19       gui_sdl2_cflags="$SDL2_CFLAGS"
  20       gui_sdl2_libs="$SDL2_LIBS"
  21       FC_SDL2_PROJECT([SDL2_image], [IMG_Load], [SDL_image.h])
  22       if test "x$sdl2_h_found" = "xyes" ; then
  23         FC_SDL2_PROJECT([SDL2_ttf], [TTF_OpenFont], [SDL_ttf.h])
  24       else
  25         missing_2_project="SDL2_image"
  26       fi
  27       if test "x$sdl2_h_found" = "xyes" ; then
  28         FC_SDL2_PROJECT([SDL2_gfx], [rotozoomSurface], [SDL2_rotozoom.h])
  29       elif test "x$missing_2_project" = "x" ; then
  30         missing_2_project="SDL2_ttf"
  31       fi
  32       if test "x$sdl2_h_found" = "xyes" ; then
  33         PKG_CHECK_MODULES([FT2], [freetype2 >= 2.1.3], [freetype_found="yes"], [freetype_found="no"])
  34         if test "$freetype_found" = yes; then
  35           gui_sdl2_cflags="$gui_sdl2_cflags $FT2_CFLAGS"
  36           gui_sdl2_libs="$gui_sdl2_libs $FT2_LIBS"
  37           found_sdl2_client=yes
  38         elif test "x$gui_sdl2" = "xyes"; then
  39           AC_MSG_ERROR([specified client 'sdl2' not configurable (FreeType2 >= 2.1.3 is needed (www.freetype.org))])
  40         fi
  41       elif test "x$gui_sdl2" = "xyes"; then
  42         if test "x$missing_2_project" = "x" ; then
  43           missing_2_project="SDL2_gfx"
  44         fi
  45         if test "x$sdl2_lib_found" = "xyes" ; then
  46           missing_type="-devel"
  47         else
  48           missing_type=""
  49         fi
  50         AC_MSG_ERROR([specified client 'sdl2' not configurable (${missing_2_project}${missing_type} is needed (www.libsdl.org))])
  51       fi
  52     fi
  53
  54     if test "$found_sdl2_client" = yes; then
  55       gui_sdl2=yes
  56       if test "x$client" = "xauto" ; then
  57         client=yes
  58       fi
  59
  60       dnl Check for libiconv (which is usually included in glibc, but may
  61       dnl be distributed separately).
  62       AM_ICONV
  63       FC_LIBCHARSET
  64       AM_LANGINFO_CODESET
  65       gui_sdl2_libs="$LIBICONV $gui_sdl2_libs"
  66
  67       dnl Check for some other libraries - needed under BeOS for instance.
  68       dnl These should perhaps be checked for in all cases?
  69       AC_CHECK_LIB(socket, connect, gui_sdl2_libs="-lsocket $gui_sdl2_libs")
  70       AC_CHECK_LIB(bind, gethostbyaddr, gui_sdl2_libs="-lbind $gui_sdl2_libs")
  71
  72     elif test "x$gui_sdl2" = "xyes"; then
  73       AC_MSG_ERROR([specified client 'sdl2' not configurable (SDL2 >= 2.0.0 is needed (www.libsdl.org))])
  74     fi
  75   fi
  76 ])
  77
  78 AC_DEFUN([FC_SDL2_PROJECT],
  79 [
  80   ac_save_CPPFLAGS="$CPPFLAGS"
  81   ac_save_CFLAGS="$CFLAGS"
  82   ac_save_LIBS="$LIBS"
  83   CPPFLAGS="$CPPFLAGS $SDL2_CFLAGS"
  84   CFLAGS="$CFLAGS $SDL2_CFLAGS"
  85   LIBS="$LIBS $SDL2_LIBS"
  86   AC_CHECK_LIB([$1], [$2],
  87                [sdl2_lib_found="yes"], [sdl2_lib_found="no"
  88 sdl2_h_found="no"])
  89   if test "x$sdl2_lib_found" = "xyes" ; then
  90     sdl2_h_found="no"
  91     if test x$sdl_headers_without_path != xyes ; then
  92       AC_CHECK_HEADER([SDL2/$3],
  93                       [sdl2_h_found="yes"
  94 gui_sdl2_libs="${gui_sdl2_libs} -l$1"], [])
  95     fi
  96     if test x$sdl2_h_found = xno ; then
  97       AC_CHECK_HEADER([$3], [sdl2_h_found="yes"
  98 gui_sdl2_libs="${gui_sdl2_libs} -l$1"
  99 if test x$sdl_headers_without_path != xyes ; then
 100   AC_DEFINE([SDL2_PLAIN_INCLUDE], [1], [sdl2 headers must be included without path])
 101   sdl_headers_without_path=yes
 102 fi], [])
 103     fi
 104   fi
 105   CPPFLAGS="$ac_save_CPPFLAGS"
 106   CFLAGS="$ac_save_CFLAGS"
 107   LIBS="$ac_save_LIBS"
 108 ])