configure.in

dnl Process this file with autoconf to produce a configure script.

AC_INIT(configure.in)
AM_INIT_AUTOMAKE(lxdream, 0.9.1)
AM_MAINTAINER_MODE
AM_CONFIG_HEADER(config.h)

AC_CANONICAL_BUILD
AC_CANONICAL_HOST

m4_include([m4/ccforbuild.m4])
m4_include([m4/android.m4])

AC_ISC_POSIX
AC_PROG_CC
AM_PROG_CC_STDC
AC_PROG_CC_FOR_BUILD
AC_PROG_OBJC
AC_PROG_SED
AM_PROG_AS
AC_PROG_RANLIB
AC_CHECK_SIZEOF([void *])
AC_HEADER_STDC

_AM_DEPENDENCIES([OBJC])

AC_PATH_PROG(POD2MAN, [pod2man])
AC_PATH_PROG(POD2HTML, [pod2html])

AC_DEFINE_UNQUOTED(BUILD_SED_PROG, ["${SED}"], [Sed to use for build tools])
AC_DEFINE_UNQUOTED(BUILD_CPP_PROG, ["${CPP}"], [CPP to use for build tools])

dnl ---------------- enable/with flags ------------------

AC_ARG_ENABLE( strict-warn,
   AS_HELP_STRING( [--enable-strict-warn], [Enable strict compilation warnings]),
   [if test "$enableval" == "yes"; then
      enable_strictwarn=yes
    fi] )
AC_ARG_ENABLE( translator, 
   AS_HELP_STRING( [--disable-translator], [Disable the SH4 translator (Enabled by default)]),
   [true], [enable_translator=yes] )
AC_ARG_ENABLE( optimized,
   AS_HELP_STRING( [--disable-optimized], [Disable compile-time optimizations (Enabled by default)]),
   [true], [enable_optimized=yes] )
AC_ARG_ENABLE( shared,
   AS_HELP_STRING( [--enable-shared], [Build drivers as shared libraries (Enabled if available)]),
   [if test "$enableval" == "yes"; then enable_shared=yes; else enable_shared=no; fi], [enable_shared=cond] )
AC_ARG_ENABLE( profiled,
   AS_HELP_STRING( [--enable-profiled], [Enable profiling build]),
   [if test "$enableval" == "yes"; then
      enable_profiled=yes;
    fi] )
AC_ARG_ENABLE( trace, 
   AS_HELP_STRING( [--enable-trace], [Enable generation of IO traces (warning: hurts performance)]),
   [if test "$enableval" == "yes"; then
     AC_DEFINE(ENABLE_TRACE_IO, 1, [Enable IO tracing])
    fi] )
AC_ARG_ENABLE( watch,
   AS_HELP_STRING( [--enable-watch], [Enable watchpoints in the debugger (warning: hurts performance)]),
   [if test "$enableval" == "yes"; then
     AC_DEFINE(ENABLE_WATCH, 1, [Enable watchpoints])
   fi] )
AC_ARG_ENABLE( sh4stats,
   AS_HELP_STRING( [--enable-sh4stats], [Enable statistics on executed sh4 instructions]),
   [if test "$enableval" == "yes"; then
     AC_DEFINE(ENABLE_SH4STATS, 1, [Enable SH4 statistics])
    fi] )
AC_ARG_WITH( osmesa,
   AS_HELP_STRING( [--with-osmesa], [Build with the osmesa GL library (software rendering)]),
   [], [with_osmesa=no])
AC_ARG_WITH( gtk,
   AS_HELP_STRING( [--with-gtk], [Build with the GTK UI. Default on X11 systems]), [with_gtk=yes], [with_gtk=x11] )
AC_ARG_WITH( esd,
   AS_HELP_STRING( [--with-esd], [Build with support for the ESounD audio system]) )
AC_ARG_WITH( pulse,
   AS_HELP_STRING( [--with-pulse], [Build with support for the PulseAudio audio system]) )
AC_ARG_WITH( sdl,
   AS_HELP_STRING( [--with-sdl], [Build with support for SDL audio]) )

AC_ARG_WITH( sysroot,
   AS_HELP_STRING( [--with-sysroot=SYSROOT], [Build using an alternate sysroot]),
   [ m4_pattern_allow([PKG_CONFIG_LIBDIR])
     if test -d "$with_sysroot/lib/pkgconfig"; then
       LDFLAGS="$LDFLAGS -L$with_sysroot/lib"
       CPPFLAGS="$CPPFLAGS -I$with_sysroot/include"
       BUILD_PKG_CONFIG_LIBDIR="$PKG_CONFIG_LIBDIR"
       TARGET_PKG_CONFIG_LIBDIR="$with_sysroot/lib/pkgconfig"
       PKG_CONFIG_LIBDIR="$TARGET_PKG_CONFIG_LIBDIR"
       export PKG_CONFIG_LIBDIR;
     else
       AC_MSG_FAILURE([pkg-config directory $with_sysroot/lib/pkgconfig not found, when using --with-sysroot=$with_sysroot option])
     fi
   ])

LX_ANDROID_BUILD

dnl ------------ Check if we're building on Darwin or Android --------------

dnl For starters, do we have a working objective-c compiler?
if test "$ANDROID_BUILD" = "yes"; then
   with_gtk=no;
   EXTRA_OUTPUT_FILES="src/android/build.properties"
   UI_DRIVER="Android"
   with_sdl=no
else
AC_HAVE_OBJC([
   AC_CHECK_HEADER([Cocoa/Cocoa.h], [
      HAVE_COCOA='yes'
      APPLE_BUILD='yes'
      LIBS="$LIBS -framework AppKit -framework Carbon"
      LIBS="$LIBS -Wl,-dylib_file,/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib -framework OpenGL"
      LXDREAMCPPFLAGS="-DMAC_OS_X_VERSION_MIN_REQUIRED=MAC_OS_X_VERSION_10_4 -mdynamic-no-pic"
      LDFLAGS="$LDFLAGS -Wl,-headerpad_max_install_names"
      AC_DEFINE(HAVE_COCOA,[1],[Have Cocoa framework])
      AC_DEFINE(APPLE_BUILD,[1],[Building on an apple platform. Things are different...])
      UI_DRIVER="Cocoa"
      if test "x$with_gtk" = "xx11"; then
        with_gtk=no
      fi
   ], [], [AC_INCLUDES_DEFAULT])

   AC_OBJC_VERSION([ OBJCOPT="-O2"
                     OBJCFLAGS="$OBJCFLAGS -fno-strict-aliasing" ],
                   [ OBJCOPT="-O2" ], [] )
   AC_CHECK_OBJCFLAG([-msse2])
   AC_CHECK_OBJCFLAG([-mfpmath=sse])
])
fi

AM_CONDITIONAL(GUI_COCOA, [test "$HAVE_COCOA" = 'yes' -a "$with_gtk" = "no"])
if test "x$HAVE_COCOA" = 'xyes' -a "x$with_gtk" = "xno"; then
  AC_DEFINE(OSX_BUNDLE, [1], [Generating a bundled application])
fi

dnl ------------------ C Compiler flags -----------------------
CFLAGS_FOR_BUILD="-O2 -std=c99"
CFLAGS="-g -fexceptions"
OBJCFLAGS="-g -fexceptions"
AC_DEFINE(HAVE_EXCEPTIONS, [1], [Have exception stack-frame information])

STDCFLAG="-std=c99"
AC_CC_VERSION([ CCOPT="-O2" 
                CFLAGS="$CFLAGS -fno-strict-aliasing" ],
              [ CCOPT="$CFLAGS -fast"
                CFLAGS="$CFLAGS -fno-strict-aliasing" ],
              [ CCOPT="$CFLAGS -O2" ])
AC_CHECK_CFLAG([-msse2])
AC_CHECK_CFLAG([-mfpmath=sse])

if test "x$enable_optimized" = "xyes"; then
   CFLAGS="$CFLAGS $CCOPT"
   OBJCFLAGS="$OBJCFLAGS $OBJCOPT"
   if test "x$enable_profiled" != "xyes"; then
       dnl -fomit-frame-pointer can't be used with -pg
       CFLAGS="$CFLAGS -fomit-frame-pointer"
       OBJCFLAGS="$OBJCFLAGS -fomit-frame-pointer"
   fi
else
   CFLAGS="$CFLAGS -g3"
   OBJCFLAGS="$OBJCFLAGS -g3"
fi

if test "x$enable_profiled" = "xyes"; then
   CFLAGS="$CFLAGS -pg"
   LDFLAGS="$LDFLAGS -pg";
   OBJCFLAGS="$OBJCFLAGS -pg";
fi

if test "x$enable_strictwarn" = "xyes"; then
   CFLAGS="$CFLAGS -Wall -Werror -Wno-unused"
   OBJCFLAGS="$OBJCFLAGS -Wall -Werror -Wno-unused"
fi

if test "x$enable_shared" != "xno"; then
   if test "x$APPLE_BUILD" = "xyes"; then
      SOEXT="dylib"
      PLUGINLDFLAGS="-dynamiclib -undefined dynamic_lookup"
   else 
      SOEXT="so"
      PLUGINLDFLAGS="-shared"
   fi
   PLUGINCFLAGS="-fPIC"

dnl Check for dlfcn.h and dlopen() (in libdl or libc)
   AC_CHECK_HEADER( [dlfcn.h], [
      AC_SEARCH_LIBS( [dlopen], [dl], [have_dlopen=yes]) ])
   if test "x$have_dlopen" != "xyes"; then
      if test "x$enable_shared" == "xyes"; then
         AC_MSG_ERROR( "--enable-shared not supported on your system - can't find a working dlopen" )
      else
         AC_MSG_WARN("Statically linking all plugins")
      fi
   fi

dnl Check if linker accepts -rdynamic
   AC_MSG_CHECKING([if linker accepts -rdynamic])
   old_LDFLAGS="$LDFLAGS"
   LDFLAGS="$LDFLAGS -rdynamic"
   AC_LINK_IFELSE( [AC_LANG_SOURCE([int main() { return 0; }])], [
     LXDREAMLDFLAGS="-rdynamic"
     AC_MSG_RESULT([yes]) 
   ], [
     LXDREAMLDFLAGS=""
     AC_MSG_RESULT([no]) ])
   LDFLAGS="$old_LDFLAGS"

   AC_SUBST(SOEXT)
   AC_SUBST(PLUGINCFLAGS)
   AC_SUBST(PLUGINLDFLAGS)
   AC_SUBST(LXDREAMLDFLAGS)
fi
if test "x$have_dlopen" = "xyes" -a "x$ANDROID_BUILD" != "xyes"; then
    AC_DEFINE(BUILD_PLUGINS, [1], [Enable dynamic plugin support])
fi
AM_CONDITIONAL(BUILD_PLUGINS, [test "x$have_dlopen" = "xyes" -a "x$ANDROID_BUILD" != "xyes"])

AC_CHECK_FASTCALL([
   AC_DEFINE(HAVE_FASTCALL, [1], [Use fast register-passing calling conventions])
])
AC_CHECK_FORCEINLINE()
AC_DEFINE_UNQUOTED(FORCEINLINE, [$FORCEINLINE], [Forcibly inline code])
AC_CHECK_FRAME_ADDRESS( [
   AC_DEFINE(HAVE_FRAME_ADDRESS, [1], [Define if we have a working builtin frame_address])
], [ AC_MSG_WARN([Memory exceptions will be slow]) ])

AC_SUBST(LXDREAMCPPFLAGS)
AC_SEARCH_LIBS(listen, [socket])
AC_SEARCH_LIBS(inet_ntoa,[nsl])

dnl ----------- Check for mandatory dependencies --------------
dnl Check for libpng (required)
PKG_CHECK_MODULES(LIBPNG, [libpng] )

dnl Implied by libpng, but check explicitly just in case
AC_CHECK_LIB(z, uncompress, [], [
    echo "Zlib (libz.so) could not be found, but is required."
    exit 1])

dnl Check for libm (optional, required on some platforms)
AC_CHECK_LIB(m, sqrt)

if test "x$with_gtk" = "xno"; then
   dnl Check for GLIB only
   PKG_CHECK_MODULES(GLIB, glib-2.0)
else
   dnl Check for GTK
   PKG_CHECK_MODULES(GTK, gtk+-2.0, [
       HAVE_GTK='yes'
       AC_DEFINE([HAVE_GTK],1,[Have GTK libraries])
       UI_DRIVER="GTK"
   ])

   dnl Which GTK port do we have?
   LIBS="$LIBS $GTK_LIBS"
   AC_CHECK_FUNC(gdk_x11_display_get_xdisplay, [ 
      HAVE_GTK_X11='yes'
      AC_DEFINE([HAVE_GTK_X11],1,[Building with GTK+X11]) ], [])
      dnl Add -lX11 explicitly as some pkg-configs get it wrong
      GTK_LIBS="$GTK_LIBS -lX11"
      LIBS="$LIBS -lX11"
   AC_CHECK_FUNC(gdk_quartz_window_get_nsview, [ 
      HAVE_GTK_OSX='yes'
      AC_DEFINE([HAVE_GTK_OSX],1,[Building with GTK+Cocoa]) ], [])
   if test "x$HAVE_GTK_X11$HAVE_GTK_OSX" = "x"; then
      AC_MSG_FAILURE( [Unable to identify GTK platform] )
   fi
fi

AC_PUSH_CC_FOR_BUILD
if test "$BUILD_PKG_CONFIG_LIBDIR" != "$TARGET_PKG_CONFIG_LIBDIR"; then
   PKG_CONFIG_LIBDIR="$BUILD_PKG_CONFIG_LIBDIR";
   if test "x$PKG_CONFIG_LIBDIR" = "x"; then
      export -n PKG_CONFIG_LIBDIR
   fi
fi
PKG_CHECK_MODULES(GLIB_FOR_BUILD, glib-2.0)
if test "$BUILD_PKG_CONFIG_LIBDIR" != "$TARGET_PKG_CONFIG_LIBDIR"; then
   PKG_CONFIG_LIBDIR="$TARGET_PKG_CONFIG_LIBDIR";
   export PKG_CONFIG_LIBDIR
fi
AC_POP_CC_FOR_BUILD

AM_CONDITIONAL(GUI_GTK, [test "$HAVE_GTK" = 'yes'])

PKG_CHECK_MODULES(LIBISOFS, [libisofs-1] )
dnl AC_CHECK_HEADER([libisofs/libisofs.h], [
   dnl AC_CHECK_LIB(isofs, [iso_data_source_new_from_file], [
      dnl LIBS="-lisofs $LIBS"
   dnl ], [ AC_MSG_FAILURE( ["Libisofs library not found, but is required"]) ])], 
      dnl [ AC_MSG_FAILURE( ["Libisofs headers not found, but is required"]) ])

dnl ------------------ Video driver support -------------------
AS_IF([test "x$with_osmesa" != xno], [ 

dnl User requested OSMesa (ie pure software rendering)
  AC_CHECK_LIB([OSMesa], [OSMesaCreateContext], [],
    [AC_MSG_FAILURE( [--with-osmesa was given, but OSMesa library could not be found])])
  AC_CHECK_HEADER([GL/osmesa.h], [],
    [AC_MSG_FAILURE( [--with-osmesa was given, but osmesa.h could not be found])])
  HAVE_OSMESA='yes'
  VIDEO_DRIVERS="$VIDEO_DRIVERS osmesa"
  AC_DEFINE([HAVE_OSMESA],1,[Building with the OSMesa video driver]) ], [

dnl Otherwise we want a real GL library (unless we're on darwin or android, in which case it's already
dnl taken care of above).
   if test "x$APPLE_BUILD" != 'xyes'; then
      PKG_CHECK_MODULES(LIBGL, [gl], [
          LIBS="$LIBS $LIBGL_LIBS";
          CPPFLAGS="$CPPFLAGS $LIBGL_CFLAGS";
      ], [
         dnl GL library not found, try for GLESv2 + EGL
         AC_CHECK_LIB(GLESv2, glEnable, [LIBS="-lGLESv2 $LIBS"; HAVE_GLES2='yes'],
            [ AC_MSG_FAILURE([Neither the OpenGL library (libGL.so) nor the OpenGL ES 2.0 library (libGLESv2.so) could be found, but one is required.]) ])
      ])
         
   else
      AC_CHECK_FUNC(NSOpenGLGetVersion, [
         HAVE_NSGL='yes'
         VIDEO_DRIVERS="$VIDEO_DRIVERS nsgl"
         AC_DEFINE([HAVE_NSGL],1, [Have NSOpenGL support]) ] )
      if test "x$HAVE_GTK_X11" = "xyes"; then
         LIBS="$LIBS -L/usr/X11/lib -lGL"
      fi
   fi

dnl Now work out how to get from the UI to GL - this is usually the painful part.
  AC_CHECK_FUNC(glXQueryVersion, [
     HAVE_GLX='yes'
     VIDEO_DRIVERS="$VIDEO_DRIVERS glx"
     AC_DEFINE([HAVE_GLX], 1, [Have GLX support]) ] )
  AC_CHECK_LIB(EGL, eglGetDisplay, [
     LIBS="-lEGL $LIBS"
     HAVE_EGL='yes'
     VIDEO_DRIVERS="$VIDEO_DRIVERS egl"])     
])

if test "x$HAVE_GLES2" = "xyes"; then
    AC_DEFINE(HAVE_GLES2, 1, [Using GLESv2])
fi

AM_CONDITIONAL(VIDEO_OSMESA, [test "x$HAVE_OSMESA" = "xyes"])
AM_CONDITIONAL(VIDEO_GLX, [test "x$HAVE_GLX" = "xyes"])
AM_CONDITIONAL(VIDEO_NSGL, [test "x$HAVE_NSGL" = "xyes"])
AM_CONDITIONAL(VIDEO_EGL, [test "x$HAVE_EGL" = "xyes"])

dnl Check for optional (but highly desireable) OpenGL features
AC_CHECK_FUNC(glGenFramebuffers, [ AC_DEFINE([HAVE_OPENGL_FBO],1,[Have 2.0 framebuffer_object support]) ], [])
AC_CHECK_FUNC(glGenFramebuffersEXT, [ AC_DEFINE([HAVE_OPENGL_FBO_EXT],1,[Have EXT_framebuffer_object support]) ], [])
AC_CHECK_FUNC(glCreateShader, [ AC_DEFINE([HAVE_OPENGL_SHADER],1,[Have 2.0 shader support]) ], [])
AC_CHECK_FUNC(glCreateShaderObjectARB, [ AC_DEFINE([HAVE_OPENGL_SHADER_ARB],1,[Have ARB shader support]) ], [])
AC_CHECK_FUNC(glClampColorARB, [ AC_DEFINE([HAVE_OPENGL_CLAMP_COLOR],1,[Have Color Clamp]) ], [])
AC_CHECK_FUNC(glClearDepthf, [ AC_DEFINE([HAVE_OPENGL_CLEAR_DEPTHF],1,[Have glClearDepthf function]) ], [])
AC_CHECK_FUNC(glAreTexturesResident, [ AC_DEFINE([HAVE_OPENGL_TEX_RESIDENT],1,[Have glAreTexturesResident function]) ], [])
AC_CHECK_FUNC(glDrawBuffer, [ AC_DEFINE([HAVE_OPENGL_DRAW_BUFFER],1,[Have glDrawBuffer function])], [])
AC_CHECK_FUNC(glTexEnvi, [ AC_DEFINE([HAVE_OPENGL_FIXEDFUNC],1,[Have OpenGL fixed-functionality]) ], [])dnl glTexEnvi is a pretty fair proxy for this.

dnl ------------------- SH4 translator target -------------------

if test "x$enable_translator" != "xno"; then
    case $host_cpu in
        i386|i486|i586|i686|x86_64)
	    SH4_TRANSLATOR="x86"
            AC_DEFINE_UNQUOTED(SH4_TRANSLATOR,[TARGET_X86], [SH4 Translator to use (if any)] );;
    esac
fi
AM_CONDITIONAL(BUILD_SH4X86, [test "$SH4_TRANSLATOR" = "x86"])

dnl ------------------ Optional driver support -------------------
dnl Check for Apple CoreAudio
AC_CHECK_HEADER([CoreAudio/CoreAudio.h], [
     HAVE_CORE_AUDIO=yes
     LIBS="$LIBS -framework CoreAudio"
     AUDIO_DRIVERS="$AUDIO_DRIVERS osx"
     AC_DEFINE([HAVE_CORE_AUDIO], 1, [Have Apple CoreAudio support]) ],[true ])
AM_CONDITIONAL( AUDIO_OSX, [test "$HAVE_CORE_AUDIO" = 'yes'] )

dnl Check for SDL (only used for audio at the moment)
if test "x$with_sdl" != "xno"; then
   PKG_CHECK_MODULES(SDL, [sdl], [
       HAVE_SDL='yes'
       AUDIO_DRIVERS="$AUDIO_DRIVERS sdl"
       AC_DEFINE([HAVE_SDL],1,[Have SDL support])
   ], [
      if test "x$with_sdl" = "xyes"; then
         AC_MSG_FAILURE( ["SDL libraries could not be found (but were required)] )
      fi
   ])
fi
AM_CONDITIONAL( AUDIO_SDL, [test "$HAVE_SDL" = 'yes'] )

dnl Check for pulseaudio
if test "x$with_pulse" != "xno"; then
   PKG_CHECK_MODULES(PULSE, [libpulse-simple], [
       HAVE_PULSE='yes'
       AUDIO_DRIVERS="$AUDIO_DRIVERS pulse"
       AC_DEFINE([HAVE_PULSE],1,[Have pulseaudio support]) 
   ], [
       if test "x$with_pulse" = "xyes"; then
          AC_MSG_FAILURE( [PulseAudio audio package could not be found (but was required)] )
       fi
   ])
fi
AM_CONDITIONAL( AUDIO_PULSE, [test "$HAVE_PULSE" = 'yes'] )

dnl Check for esound
if test "x$with_esd" != "xno"; then
   PKG_CHECK_MODULES(ESOUND, [esound], [ 
       HAVE_ESOUND='yes'
       AUDIO_DRIVERS="$AUDIO_DRIVERS esd"
       AC_DEFINE([HAVE_ESOUND],1,[Have esound support]) 
   ], [
       if test "x$with_esd" = "xyes"; then
          AC_MSG_FAILURE( [ESounD audio package could not be found (but was required)] )
       fi
   ])
fi
AM_CONDITIONAL( AUDIO_ESOUND, [test "$HAVE_ESOUND" = 'yes'] )

dnl Check for alsa support
PKG_CHECK_MODULES(ALSA, [alsa], [ 
     HAVE_ALSA='yes'
     AUDIO_DRIVERS="$AUDIO_DRIVERS alsa"
     AC_DEFINE([HAVE_ALSA],1,[Have alsa support]) ], [true])
AM_CONDITIONAL( AUDIO_ALSA, [test "$HAVE_ALSA" = 'yes'] )


dnl Check for native cdrom support. There can be only one.
if test "$ANDROID_BUILD" != "yes"; then
  AC_CHECK_HEADER([linux/cdrom.h], [
     CDROM_DRIVER=linux
     dnl Some kernel versions have non-c99 compliant headers - check here
     AC_MSG_CHECKING([C99 compliant kernel headers])
     old_CFLAGS="$CFLAGS"
     CFLAGS="$CFLAGS $STDCFLAG"
     AC_TRY_COMPILE([#include <linux/cdrom.h>], [], [AC_MSG_RESULT([Yes])], [
        AC_MSG_RESULT([No])
        STDCFLAG="-std=gnu99"])
     CFLAGS="$old_CFLAGS"
  ], [true])
  AC_CHECK_HEADER([IOKit/IOKitLib.h], [
       CDROM_DRIVER=osx
       LIBS="$LIBS -framework IOKit"],[true])
fi
AM_CONDITIONAL(CDROM_LINUX, [test "x$CDROM_DRIVER" = "xlinux"])
AM_CONDITIONAL(CDROM_OSX, [test "x$CDROM_DRIVER" = "xosx"])
AM_CONDITIONAL(CDROM_NONE, [test "x$CDROM_DRIVER" = "x"])
if test "x$CDROM_DRIVER" = "xlinux"; then
   AC_DEFINE([HAVE_LINUX_CDROM],1,[Using the linux native CDROM driver])
fi

AC_CHECK_HEADER([linux/joystick.h], [
    HAVE_LINUX_JOYSTICK_H=yes
    AC_DEFINE([HAVE_LINUX_JOYSTICK], 1, [Have linux joystick support]) 
    INPUT_DRIVERS="$INPUT_DRIVERS joy_linux" ], 
  [ echo "Linux Joystick support not found, building without it."] )
AM_CONDITIONAL(JOY_LINUX, [test "$HAVE_LINUX_JOYSTICK_H" = "yes"])

dnl Check for LIRC
if test "x$with_lirc" != "xno"; then
    AC_CHECK_HEADER([lirc/lirc_client.h], [
        HAVE_LIRC_CLIENT_H=yes
        AC_DEFINE([HAVE_LIRC],1,[Have LIRC support]) 
        INPUT_DRIVERS="$INPUT_DRIVERS lirc"
      ],
      [ echo "LIRC support not found, building without it." ] )
fi
AM_CONDITIONAL(INPUT_LIRC, [test "$HAVE_LIRC_CLIENT_H" = "yes"])

dnl Check for cross-compiler availability - needed for system tests
AC_PATH_PROG(SHCC, [sh-elf-gcc])
AC_PATH_PROG(SHLD, [sh-elf-ld])
AC_PATH_PROG(SHOBJCOPY, [sh-elf-objcopy])
AC_PATH_PROG(ARMCC, [arm-elf-gcc])
AC_PATH_PROG(ARMLD, [arm-elf-ld])
AC_PATH_PROG(ARMOBJCOPY, [arm-elf-objcopy])

if test "x$SHCC" = "x" -o "x$SHLD" = "x" -o "x$SHOBJCOPY" = "x"; then
  BUILD_SH="no"
  echo "Warning: SH4 cross-compiler not found, system tests will be disabled."
else
  BUILD_SH="yes"
fi
if test "x$ARMCC" = "x" -o "x$ARMLD" = "x" -o "x$ARMOBJCOPY" = "x"; then
  BUILD_ARM="no"
  echo "Warning: ARM cross-compiler not found, AICA tests will be disabled."
else
  BUILD_ARM="yes"
fi
AM_CONDITIONAL(BUILD_SYSTEST, [test "$BUILD_SH" = "yes"])
AM_CONDITIONAL(BUILD_ARMTEST, [test "$BUILD_ARM" = "yes"])

CFLAGS="$CFLAGS $STDCFLAG"

dnl ----------------------- All done, finish up -----------------------
GETTEXT_PACKAGE=lxdream
LXDREAM_LIBS="$LIBS"
LIBS=""
AC_SUBST(LXDREAM_LIBS)
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",[translation domain])

dnl Add the languages which your application supports here.
ALL_LINGUAS="de es it nl pt_BR"
AM_GLIB_GNU_GETTEXT

AC_OUTPUT([
Makefile
src/Makefile
src/tools/Makefile
po/Makefile.in
test/Makefile
Info.plist
])
AS_MKDIR_P(test/sh4)

dnl ------------------------- Print out a summary ----------------------

echo
echo "Configuration complete"
echo

if test "x$UI_DRIVER" = x; then
  echo "  User interface: none"
else
  echo "  User interface: $UI_DRIVER"
fi

if test "x$SH4_TRANSLATOR" = "x"; then
  echo "  SH4 translator: none (emulation core only)"
else
  echo "  SH4 translator: $SH4_TRANSLATOR"
fi

if test "x$VIDEO_DRIVERS" = "x"; then
   echo "  Video drivers: none (no supported GL found)"
else
   echo "  Video drivers: $VIDEO_DRIVERS"
fi

if test "x$AUDIO_DRIVERS" = "x"; then
   echo "  Audio drivers: none (no supported output devices found)"
else
   echo "  Audio drivers: $AUDIO_DRIVERS"
fi

if test "x$INPUT_DRIVERS" = "x"; then
   echo "  Input drivers: none (no supported input devices found)"
else
   echo "  Input drivers: $INPUT_DRIVERS"
fi

if test "x$CDROM_DRIVER" = "x"; then
   echo "  CD-ROM driver: none (no supported cd-rom devices found)"
else
   echo "  CD-ROM driver:  $CDROM_DRIVER"
fi