dnl Process this file with autoconf to produce a configure script.
dnl Original author: Michael Patra
dnl See ChangeLog file for detailed change history.

m4_define(WINE_VERSION,regexp(m4_include(VERSION),[version \([-.0-9A-Za-z]+\)],[\1]))

AC_PREREQ(2.53)
AC_INIT([Wine],WINE_VERSION)
AC_CONFIG_SRCDIR(server/atom.c)
AC_CONFIG_HEADERS(include/config.h)
AC_CONFIG_AUX_DIR(tools)

dnl **** Command-line arguments ****

AC_ARG_ENABLE(win16, AC_HELP_STRING([--disable-win16],[do not include Win16 support]))
AC_ARG_ENABLE(debug, AC_HELP_STRING([--disable-debug],[compile out all debugging messages]))
AC_ARG_ENABLE(trace, AC_HELP_STRING([--disable-trace],[compile out TRACE messages]))

AC_ARG_WITH(opengl,    AC_HELP_STRING([--without-opengl],[do not use OpenGL]))
AC_ARG_WITH(curses,    AC_HELP_STRING([--without-curses],[do not use curses]))
AC_ARG_WITH(nptl,      AC_HELP_STRING([--with-nptl],[use glibc NPTL threading support]))
AC_ARG_WITH(wine-tools,AC_HELP_STRING([--with-wine-tools=<dir>],[use Wine tools from directory <dir>]))

AC_SUBST(WIN16_FILES,"\$(WIN16_FILES)")
AC_SUBST(WIN16_INSTALL,"\$(WIN16_INSTALL)")
if test "x$enable_win16" = "xno"
then
  WIN16_FILES=""
  WIN16_INSTALL=""
fi
if test "x$enable_debug" = "xno"
then
    AC_DEFINE(NO_DEBUG_MSGS,1,[Define to disable all debug messages.])
fi
if test "x$enable_trace" = "xno" -o "x$enable_debug" = "xno"
then
    AC_DEFINE(NO_TRACE_MSGS,1,[Define to disable trace messages.])
fi
if test "x$with_nptl" = "xyes"
then
    AC_DEFINE(HAVE_NPTL,1,[Define to use glibc NPTL threading support.])
    AC_SUBST(LIBPTHREAD,"-lpthread")
fi

dnl **** Check for some programs ****

AC_CANONICAL_HOST
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_CPP

AC_CACHE_CHECK([for the directory containing the Wine tools], wine_cv_toolsdir,
  [if test -z "$with_wine_tools"; then
     if test "$cross_compiling" = "yes"; then
       AC_MSG_ERROR([you must use the --with-wine-tools option when cross-compiling.])
     else
       wine_cv_toolsdir="\$(TOPOBJDIR)"
     fi
   elif test -d "$with_wine_tools/tools/winebuild"; then
     case $with_wine_tools in
       /*) wine_cv_toolsdir="$with_wine_tools" ;;
       *)  wine_cv_toolsdir="\$(TOPOBJDIR)/$with_wine_tools" ;;
     esac
   else
     AC_MSG_ERROR([could not find Wine tools in $with_wine_tools.])
   fi])
AC_SUBST(TOOLSDIR,$wine_cv_toolsdir)

AC_PATH_XTRA
AC_PROG_YACC
AC_PROG_LEX

dnl **** Just additional warning checks, since AC_PROG just sets 'yacc' even
dnl **** without one present.
AC_CHECK_PROGS(XYACC,$YACC bison yacc,none)
if test "$XYACC" = "none"
then
  AC_MSG_ERROR([no suitable bison/yacc found. Please install the 'bison' package.])
fi
AC_CHECK_PROGS(XLEX,$LEX flex lex,none)
if test "$XLEX" = "none"
then
  AC_MSG_ERROR([no suitable lex found. Please install the 'flex' package.])
fi

AC_CHECK_TOOLS(AS,[gas as],as)
AC_CHECK_TOOL(LD,ld,ld)
AC_CHECK_TOOL(AR,ar,ar)
AC_PROG_RANLIB
AC_CHECK_TOOL(STRIP,strip,strip)
AC_CHECK_TOOL(WINDRES,windres,false)
AC_PROG_LN_S
WINE_PROG_LN
AC_PATH_PROG(LDCONFIG, ldconfig, true, [/sbin /usr/sbin $PATH])
AC_PROG_INSTALL
dnl Prepend src dir to install path dir if it's a relative path
case "$INSTALL" in
  [[\\/$]]* | ?:[[\\/]]* ) ;;
  *)  INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
esac

dnl Check for lint
AC_CHECK_PROGS(LINT, lclint lint)
if test "$LINT" = "lint"
then
  LINTFLAGS="$LINTFLAGS -errchk=%all,no%longptr64 -errhdr=%user -Ncheck=macro -Nlevel=4"
  dnl LINTFLAGS='-D_SIZE_T "-Dsize_t=unsigned long" -errchk=longptr64'
fi
AC_SUBST(LINT)
AC_SUBST(LINTFLAGS)

dnl Check for db2html
AC_CHECK_PROGS(DB2HTML, docbook2html db2html, false)
AC_SUBST(DB2HTML)

dnl Check for db2pdf
AC_CHECK_PROGS(DB2PDF, docbook2pdf db2pdf, false)
AC_SUBST(DB2PDF)

dnl Check for db2ps
AC_CHECK_PROGS(DB2PS, docbook2ps db2ps, false)
AC_SUBST(DB2PS)

dnl Check for db2txt
AC_CHECK_PROGS(DB2TXT, docbook2txt db2txt, false)
AC_SUBST(DB2TXT)

dnl **** Check for some libraries ****

dnl Check for -lm
AC_CHECK_LIB(m,sqrt)
dnl Check for -li386 for NetBSD and OpenBSD
AC_CHECK_LIB(i386,i386_set_ldt)
dnl Check for -lossaudio for NetBSD
AC_CHECK_LIB(ossaudio,_oss_ioctl)
dnl Check for -lw for Solaris
AC_CHECK_FUNCS(iswalnum,,AC_CHECK_LIB(w,iswalnum))
dnl Check for -lnsl for Solaris
AC_CHECK_FUNCS(gethostbyname,,AC_CHECK_LIB(nsl,gethostbyname))
dnl Check for -lsocket for Solaris
AC_CHECK_FUNCS(connect,,AC_CHECK_LIB(socket,connect))
dnl Check for -lresolv for Solaris
AC_CHECK_FUNCS(inet_aton,,AC_CHECK_LIB(resolv,inet_aton))
dnl Check for -lxpg4 for FreeBSD
AC_CHECK_LIB(xpg4,_xpg4_setrunelocale)
dnl Check for -lmmap for OS/2
AC_CHECK_LIB(mmap,mmap)

JPEGLIB=""
AC_SUBST(JPEGLIB)
AC_CHECK_HEADERS(jpeglib.h,
    AC_CHECK_LIB(jpeg,jpeg_start_decompress,
    	AC_DEFINE(HAVE_LIBJPEG,1,[Define if you have libjpeg including devel headers])
	JPEGLIB="-ljpeg"
    )
)

AC_SUBST(GIFLIB,"")
AC_CHECK_HEADERS(gif_lib.h,
    AC_CHECK_LIB(ungif,DGifOpen,
        [AC_DEFINE(HAVE_LIBGIF,1,[Define if you have libgif/libungif including devel headers])
         GIFLIB="-lungif"],
        [AC_CHECK_LIB(gif,DGifOpen,
                      [AC_DEFINE(HAVE_LIBGIF,1)
                       GIFLIB="-lgif"])]))

AC_SUBST(XLIB)
AC_SUBST(XFILES)
XFILES=""
AC_SUBST(OPENGLFILES)
OPENGLFILES=""
AC_SUBST(GLU32FILES)
GLU32FILES=""
AC_SUBST(OPENGL_LIBS)
OPENGL_LIBS=""
if test "$have_x" = "yes"
then
    XLIB="-lXext -lX11"
    ac_save_CPPFLAGS="$CPPFLAGS"
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"

    dnl *** All of the following tests require X11/Xlib.h
    AC_CHECK_HEADERS(X11/Xlib.h,
      [
        AC_CHECK_HEADERS([X11/XKBlib.h \
                          X11/Xutil.h \
                          X11/extensions/shape.h \
                          X11/extensions/XShm.h \
                          X11/extensions/Xrandr.h \
                          X11/extensions/Xrender.h \
                          X11/extensions/Xvlib.h \
                          X11/extensions/xf86dga.h \
                          X11/extensions/xf86vmode.h],,,
                         [#include <X11/Xlib.h>
                          #ifdef HAVE_X11_XUTIL_H
                          # include <X11/Xutil.h>
                          #endif])

        dnl *** Check for X keyboard extension
        if test "$ac_cv_header_X11_XKBlib_h" = "yes"
        then
              AC_CHECK_LIB(X11, XkbQueryExtension,
              AC_DEFINE(HAVE_XKB, 1, [Define if you have the XKB extension]),,
              $X_LIBS -lXext -lX11 $X_EXTRA_LIBS)
        fi

        dnl *** Check for X Shm extension
        if test "$ac_cv_header_X11_extensions_XShm_h" = "yes"
        then
              AC_CHECK_LIB(Xext, XShmQueryExtension,
              AC_DEFINE(HAVE_LIBXXSHM, 1, [Define if you have the X Shm extension]),,
              $X_LIBS -lXext -lX11 $X_EXTRA_LIBS)
        fi

        dnl *** Check for X shape extension
        if test "$ac_cv_header_X11_extensions_shape_h" = "yes"
        then
              AC_CHECK_LIB(Xext,XShapeQueryExtension,
	      AC_DEFINE(HAVE_LIBXSHAPE, 1, [Define if you have the X Shape extension]),,
	      $X_LIBS -lXext -lX11 $X_EXTRA_LIBS)
        fi

        dnl *** Check for XFree86 DGA / DGA 2.0 extension
        if test "$ac_cv_header_X11_extensions_xf86dga_h" = "yes"
        then
              AC_CHECK_LIB(Xxf86dga, XDGAQueryExtension,
                [ dnl *** If found...
                  AC_DEFINE(HAVE_LIBXXF86DGA2, 1,
                            [Define if you have the Xxf86dga library version 2])
                  X_PRE_LIBS="$X_PRE_LIBS -lXxf86dga"
               ],
                [ dnl *** If not found, look for XF86DGAQueryExtension()
                  dnl *** instead (DGA 2.0 not found)...
                  AC_CHECK_LIB(Xxf86dga, XF86DGAQueryExtension,
                    [ AC_DEFINE(HAVE_LIBXXF86DGA, 1,
                                [Define if you have the Xxf86dga library version 1])
                      X_PRE_LIBS="$X_PRE_LIBS -lXxf86dga"
                    ],,
                    $X_LIBS -lXext -lX11 $X_EXTRA_LIBS
                  )
                ],
                $X_LIBS -lXext -lX11 $X_EXTRA_LIBS)
        fi

        dnl *** Check for XFree86 VMODE extension
        if test "$ac_cv_header_X11_extensions_xf86vmode_h" = "yes"
        then
                AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryExtension,
                  [ AC_DEFINE(HAVE_LIBXXF86VM, 1, [Define if you have the Xxf86vm library])
                     X_PRE_LIBS="$X_PRE_LIBS -lXxf86vm"
                  ],,
                  $X_LIBS -lXext -lX11 $X_EXTRA_LIBS)
        fi

        dnl *** Check for X RandR extension
        if test "$ac_cv_header_X11_extensions_Xrandr_h" = "yes"
        then
                AC_CHECK_LIB(Xrandr, XRRSetScreenConfigAndRate,
                  [ AC_DEFINE(HAVE_LIBXRANDR, 1, [Define if you have the Xrandr library])
                     X_PRE_LIBS="$X_PRE_LIBS -lXrandr -lXrender"
                  ],,
                  $X_LIBS -lXrender -lXext -lX11 $X_EXTRA_LIBS)
        fi

        dnl *** Check for XVideo extension supporting XvImages
        if test "$ac_cv_header_X11_extensions_Xvlib_h" = "yes"
        then
                AC_CHECK_LIB(Xv, XvShmCreateImage,
                  [ AC_DEFINE(HAVE_XVIDEO, 1, [Define if the X libraries support XVideo])
                     X_PRE_LIBS="$X_PRE_LIBS -lXv"
                  ],,
                  $X_LIBS -lXext -lX11 $X_EXTRA_LIBS)
        fi
      ]
    ) dnl *** End of X11/Xlib.h check

    dnl Check for the presence of OpenGL
    if test "x$with_opengl" != "xno"
    then
        if test -f /usr/X11R6/lib/libGL.a -a ! -f /usr/X11R6/lib/libGL.so
        then
	    AC_MSG_ERROR([/usr/X11R6/lib/libGL.a is present on your system.
This prevents linking to OpenGL. Delete the file and restart configure.])
        fi

	AC_CHECK_HEADERS(GL/gl.h GL/glx.h)
	if test "$ac_cv_header_GL_gl_h" = "yes" -a "$ac_cv_header_GL_glx_h" = "yes"
	then
            AC_CHECK_HEADERS(GL/glext.h,,,[#include <GL/glx.h>])
	    dnl Check for some problems due to old Mesa versions
	    AC_CACHE_CHECK([for up-to-date OpenGL version], wine_cv_opengl_version_OK,
	      AC_TRY_COMPILE(
		[#include <GL/gl.h>],
		[GLenum test = GL_UNSIGNED_SHORT_5_6_5;],
		[wine_cv_opengl_version_OK="yes"],
		[wine_cv_opengl_version_OK="no"]
	      )
            )

	    if test "$wine_cv_opengl_version_OK" = "yes"
            then
		dnl Check for the presence of the library
		AC_CHECK_LIB(GL,glXCreateContext,
			     OPENGL_LIBS="-lGL"
			     ,,
			     $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)

		if test "$ac_cv_lib_GL_glXCreateContext" = "yes"
		then
			OPENGLFILES='$(OPENGLFILES)'
			AC_DEFINE(HAVE_OPENGL, 1, [Define if OpenGL is present on the system])

			AC_CHECK_LIB(GL,glXGetProcAddressARB,
                                     AC_DEFINE(HAVE_GLX_GETPROCADDRESS, 1,
                                               [Define if the OpenGL library supports the glXGetProcAddressARB call]),,
                                     $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)

			if test "$ac_cv_lib_GL_glXGetProcAddressARB" = "yes"
			then
			       AC_CACHE_CHECK([for OpenGL extension functions prototypes], wine_cv_extension_prototypes,
			          [AC_TRY_COMPILE([#include <GL/gl.h>
				  		  #ifdef HAVE_GL_GLEXT_H
						  # include <GL/glext.h>
						  #endif
						  ],
						 [PFNGLCOLORTABLEEXTPROC test_proc;],
						 [wine_cv_extension_prototypes="yes"],
						 [wine_cv_extension_prototypes="no"]
				  )]
				)
				if test "$wine_cv_extension_prototypes" = "yes"
				then
				    AC_DEFINE(HAVE_GLEXT_PROTOTYPES, 1,
                                              [Define if the OpenGL headers define extension typedefs])
				fi
			fi

		fi
	        dnl Check for GLU32 library.
		AC_CHECK_LIB(GLU,gluLookAt,
			     [OPENGL_LIBS="$OPENGL_LIBS -lGLU"
			     GLU32FILES='$(GLU32FILES)']
			     ,,
			     $OPENGL_LIBS $X_LIBS $X_PRE_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS
		)
	     fi
	 fi
    fi

    dnl **** Check for NAS ****
    AC_SUBST(NASLIBS,"")
    AC_CHECK_HEADERS(audio/audiolib.h,
         [AC_CHECK_HEADERS(audio/soundlib.h,,,[#include <audio/audiolib.h>])
          AC_CHECK_LIB(audio,AuCreateFlow,
                       [AC_DEFINE(HAVE_NAS,1,[Define if you have NAS including devel headers])
                        NASLIBS="-laudio -lXt $X_LIBS -lXext -lX11 $X_EXTRA_LIBS"],,
                       [-lXt $X_LIBS -lXext -lX11 $X_EXTRA_LIBS])])

    CPPFLAGS="$ac_save_CPPFLAGS"
    XFILES='$(XFILES)'
else
    XLIB=""
    X_CFLAGS=""
    X_LIBS=""
fi

dnl **** Check which curses lib to use ***
CURSESLIBS=""
if test "x$with_curses" != "xno"
then
    AC_CHECK_HEADERS(ncurses.h,
        [AC_CHECK_LIB(ncurses,waddch,
            [AC_DEFINE(HAVE_LIBNCURSES, 1, [Define if you have the ncurses library (-lncurses)])
             CURSESLIBS="-lncurses"],
             [AC_CHECK_HEADERS(curses.h,
                 [AC_CHECK_LIB(curses,waddch,
                     [AC_DEFINE(HAVE_LIBCURSES, 1, [Define if you have the curses library (-lcurses)])
                      CURSESLIBS="-lcurses"])])])])
    saved_libs="$LIBS"
    LIBS="$CURSESLIBS $LIBS"
    AC_CHECK_FUNCS(getbkgd resizeterm)
    LIBS="$saved_libs"
fi
AC_SUBST(CURSESLIBS)

dnl **** Check for SANE ****
AC_CHECK_PROG(sane_devel,sane-config,sane-config,no)
if test "$sane_devel" = "no"
then
    SANELIBS=""
    SANEINCL=""
else
    SANELIBS="`$sane_devel --libs`"
    SANEINCL="`$sane_devel --cflags`"
    ac_save_CPPFLAGS="$CPPFLAGS"
    ac_save_LIBS="$LIBS"
    CPPFLAGS="$CPPFLAGS $SANEINCL"
    LIBS="$LIBS $SANELIBS"
    AC_CHECK_HEADER(sane/sane.h,
                    [AC_CHECK_LIB(sane,sane_open,
                                  [AC_DEFINE(HAVE_SANE, 1, [Define if we have SANE development environment])],
                                  [SANELIBS=""
                                  SANEINCL=""])],
                    [SANELIBS=""
                    SANEINCL=""])
    LIBS="$ac_save_LIBS"
    CPPFLAGS="$ac_save_CPPFLAGS"
fi
AC_SUBST(SANELIBS)
AC_SUBST(SANEINCL)

dnl **** Check for the ICU library ****
AC_CHECK_HEADERS(unicode/ubidi.h)
if test "$ac_cv_header_unicode_ubidi_h" = "yes"
then
    AC_CACHE_CHECK([whether we can statically link the ICU libraries], ac_cv_lib_icu,
        [saved_libs="$LIBS"
         ICU_LIB_DIR="${ICU_LIB_DIR-/usr/lib}"
         ICUUC_LIB="${ICUUC_LIB-$ICU_LIB_DIR/libicuuc.a}"
         ICUDATA_LIB="${ICUDATA_LIB-$ICU_LIB_DIR/libicudata.a}"
         LIBS="$LIBS $ICUUC_LIB $ICUDATA_LIB -lstdc++ -lgcc_s"
         AC_TRY_LINK([#include <unicode/ubidi.h>],[ubidi_open()],
                     [ac_cv_lib_icu="yes"],[ac_cv_lib_icu="no"])
        LIBS="$saved_libs"])
    if test "$ac_cv_lib_icu" = "yes"
    then
        AC_DEFINE(HAVE_ICU,1,[Define to 1 if the ICU libraries are installed])
        AC_SUBST(ICULIBS,"$ICUUC_LIB $ICUDATA_LIB -lstdc++ -lgcc_s")
    fi
fi

dnl **** Check for FreeType 2 ****
AC_CHECK_LIB(freetype,FT_Init_FreeType,ft_lib=yes,ft_lib=no,$X_LIBS)
if test "$ft_lib" = "no"
then
    FREETYPEINCL=""
    wine_cv_msg_freetype=no
else
    AC_CHECK_PROG(ft_devel,freetype-config,freetype-config,no)
    if test "$ft_devel" = "no"
    then
        AC_CHECK_PROG(ft_devel2,freetype2-config,freetype2-config,no)
        if test "$ft_devel2" = "freetype2-config"
	then
		ft_devel=$ft_devel2
	fi
    fi
    if test "$ft_devel" = "no"
    then
	FREETYPEINCL=""
	wine_cv_msg_freetype=yes
    else
	FREETYPEINCL=`$ft_devel --cflags`
	ac_save_CPPFLAGS="$CPPFLAGS"
	CPPFLAGS="$FREETYPEINCL $CPPFLAGS"
	AC_CHECK_HEADERS(freetype/freetype.h \
                         freetype/ftglyph.h \
                         freetype/tttables.h \
                         freetype/ftnames.h \
                         freetype/ftsnames.h \
                         freetype/ttnameid.h \
                         freetype/ftoutln.h \
                         freetype/internal/sfnt.h)
	AC_TRY_CPP([#include <ft2build.h>
                    #include <freetype/fttrigon.h>],
                    [AC_DEFINE(HAVE_FREETYPE_FTTRIGON_H, 1,
          [Define if you have the <freetype/fttrigon.h> header file.])
                    wine_cv_fttrigon=yes],
                    wine_cv_fttrigon=no)
	CPPFLAGS="$ac_save_CPPFLAGS"
	dnl Check that we have at least freetype/freetype.h
	if test "$ac_cv_header_freetype_freetype_h" = "yes" -a "$wine_cv_fttrigon" = "yes"
	then
	    AC_DEFINE(HAVE_FREETYPE, 1, [Define if FreeType 2 is installed])
	    wine_cv_msg_freetype=no
	else
	    FREETYPEINCL=""
	    wine_cv_msg_freetype=yes
	fi
    fi
fi
AC_SUBST(FREETYPEINCL)

dnl **** Check for parport (currently Linux only) ****
AC_CACHE_CHECK([for parport header/ppdev.h], ac_cv_c_ppdev,
 AC_TRY_COMPILE(
   [#include <linux/ppdev.h>],
   [ioctl (1,PPCLAIM,0)],
   [ac_cv_c_ppdev="yes"],
   [ac_cv_c_ppdev="no"])
 )
if test "$ac_cv_c_ppdev" = "yes"
then
    AC_DEFINE(HAVE_PPDEV, 1, [Define if we can use ppdev.h for parallel port access])
fi

dnl **** Check for va_copy ****
AC_CACHE_CHECK([for va_copy], ac_cv_c_va_copy,
 AC_TRY_LINK(
   [#include <stdarg.h>],
   [va_list ap1, ap2;
    va_copy(ap1,ap2);
   ],
   [ac_cv_c_va_copy="yes"],
   [ac_cv_c_va_copy="no"])
 )
if test "$ac_cv_c_va_copy" = "yes"
then
    AC_DEFINE(HAVE_VA_COPY, 1, [Define if we have va_copy])
fi
AC_CACHE_CHECK([for __va_copy], ac_cv_c___va_copy,
 AC_TRY_LINK(
   [#include <stdarg.h>],
   [va_list ap1, ap2;
    __va_copy(ap1,ap2);
   ],
   [ac_cv_c___va_copy="yes"],
   [ac_cv_c___va_copy="no"])
 )
if test "$ac_cv_c___va_copy" = "yes"
then
    AC_DEFINE(HAVE___VA_COPY, 1, [Define if we have __va_copy])
fi

dnl **** Check for pthread_rwlock_t ****
AC_CHECK_TYPES([pthread_rwlock_t, pthread_rwlockattr_t],,,[#define _GNU_SOURCE
#include <pthread.h>])

dnl **** Check for Open Sound System ****
AC_CHECK_HEADERS(sys/soundcard.h machine/soundcard.h soundcard.h, break)

AC_CACHE_CHECK([for Open Sound System],
	ac_cv_c_opensoundsystem,
	AC_TRY_COMPILE([
	#if defined(HAVE_SYS_SOUNDCARD_H)
		#include <sys/soundcard.h>
	#elif defined(HAVE_MACHINE_SOUNDCARD_H)
		#include <machine/soundcard.h>
	#elif defined(HAVE_SOUNDCARD_H)
		#include <soundcard.h>
	#endif
	],[

/* check for one of the Open Sound System specific SNDCTL_ defines */
#if !defined(SNDCTL_DSP_STEREO)
#error No open sound system
#endif
],ac_cv_c_opensoundsystem="yes",ac_cv_c_opensoundsystem="no"))

if test "$ac_cv_c_opensoundsystem" = "yes"
then
    AC_DEFINE(HAVE_OSS, 1, [Define if you have the Open Sound system])
fi

AC_CACHE_CHECK([for Open Sound System/MIDI interface],
	ac_cv_c_opensoundsystem_midi,
	AC_TRY_COMPILE([
	#if defined(HAVE_SYS_SOUNDCARD_H)
		#include <sys/soundcard.h>
	#elif defined(HAVE_MACHINE_SOUNDCARD_H)
		#include <machine/soundcard.h>
	#elif defined(HAVE_SOUNDCARD_H)
		#include <soundcard.h>
	#endif
	],[

/* check for one of the Open Sound System specific SNDCTL_SEQ defines */
#if !defined(SNDCTL_SEQ_SYNC)
#error No open sound system MIDI interface
#endif
],ac_cv_c_opensoundsystem_midi="yes",ac_cv_c_opensoundsystem_midi="no"))

if test "$ac_cv_c_opensoundsystem_midi" = "yes"
then
    AC_DEFINE(HAVE_OSS_MIDI, 1, [Define if you have the Open Sound system (MIDI interface)])
fi

dnl **** Check for aRts Sound Server ****
AC_PATH_PROG(ARTSCCONFIG, artsc-config)
AC_CACHE_CHECK([for aRts Sound server],
        ac_cv_c_artsserver,
        if test x$ARTSCCONFIG = x -o x$ARTSCCONFIG = x'"$ARTSCCONFIG"';
        then
            ac_cv_c_artsserver=no
        else
            ARTSC_CFLAGS=`$ARTSCCONFIG --cflags`
            ARTSC_LIBS=`$ARTSCCONFIG --libs`
            ac_cv_c_artsserver=no
            save_CFLAGS="$CFLAGS"
            CFLAGS="$CFLAGS $ARTSC_CFLAGS"
            AC_TRY_COMPILE([
             #include <artsc.h>
            ],[
             arts_stream_t stream;
            ],[
            ac_cv_c_artsserver=yes
            ])
            CFLAGS="$save_CFLAGS"
        fi)

if test "$ac_cv_c_artsserver" = "yes"
then
    AC_SUBST(ARTSLIBS, $ARTSC_LIBS)
    AC_SUBST(ARTSINCL, $ARTSC_CFLAGS)

    AC_DEFINE(HAVE_ARTS, 1, [Define if you have ARTS sound server])
fi

dnl **** Check for ALSA ****
AC_SUBST(ALSALIBS,"")
AC_CHECK_HEADERS(alsa/asoundlib.h sys/asoundlib.h, break)
if test "$ac_cv_header_sys_asoundlib_h" = "yes" -o "$ac_cv_header_alsa_asoundlib_h" = "yes"
then
    AC_CHECK_LIB(asound,snd_pcm_open,
    	AC_DEFINE(HAVE_ALSA,1,[Define if you have ALSA including devel headers])
	ALSALIBS="-lasound")
fi

dnl **** Check for libaudioio (which can be used to get solaris audio support) ****

AC_SUBST(AUDIOIOLIBS,"")
AC_CHECK_HEADERS(libaudioio.h,
    [AC_CHECK_LIB(audioio,AudioIOGetVersion,
                  [AUDIOIOLIBS="-laudioio"
                   AC_DEFINE(HAVE_LIBAUDIOIO, 1, [Define if you have libaudioIO])])])

dnl **** Check for broken glibc mmap64 ****

AC_CACHE_CHECK( [whether mmap64 works defined as mmap], ac_cv_mmap64_works,
	AC_TRY_RUN([
		#define _FILE_OFFSET_BITS 64
		#include <stdio.h>
		#include <unistd.h>
		#include <fcntl.h>
		#include <sys/mman.h>
		#include <errno.h>

		int main(int argc,char **argv) {
			int fd = open("conftest.map",O_CREAT|O_RDWR,0600);
			if (fd == -1) exit(1);

			unlink("conftest.map");

			write(fd,"test",4);

			if ((-1 == mmap(0,4,PROT_READ|PROT_WRITE,MAP_SHARED,fd,0)) &&
			    (errno == EINVAL)
			) {
				exit(1);
			}
			close(fd);
			fprintf(stderr,"success!\n");
			exit(0);
		}

	],
    ac_cv_mmap64_works="yes",
    ac_cv_mmap64_works="no",
    ac_cv_mmap64_works="no") )

if test "$ac_cv_mmap64_works" = "yes"
then
    AC_DEFINE(_FILE_OFFSET_BITS, 64, [Set this to 64 to enable 64-bit file support on Linux])
fi

dnl **** Check for gcc specific options ****

AC_SUBST(EXTRACFLAGS,"")
if test "x${GCC}" = "xyes"
then
  EXTRACFLAGS=-Wall

  dnl Check for strength-reduce bug
  AC_CACHE_CHECK( [for gcc strength-reduce bug], ac_cv_c_gcc_strength_bug,
                  AC_TRY_RUN([
int	L[[4]] = {0,1,2,3};
int main(void) {
  static int Array[[3]];
  unsigned int B = 3;
  int i;
  for(i=0; i<B; i++) Array[[i]] = i - 3;
  for(i=0; i<4 - 1; i++) L[[i]] = L[[i + 1]];
  L[[i]] = 4;

  exit( Array[[1]] != -2 || L[[2]] != 3);
}],
    ac_cv_c_gcc_strength_bug="no",
    ac_cv_c_gcc_strength_bug="yes",
    ac_cv_c_gcc_strength_bug="yes") )
  if test "$ac_cv_c_gcc_strength_bug" = "yes"
  then
    EXTRACFLAGS="$EXTRACFLAGS -fno-strength-reduce"
  fi

  dnl Check for -mpreferred-stack-boundary
  AC_CACHE_CHECK([for gcc -mpreferred-stack-boundary=2 support], ac_cv_c_gcc_stack_boundary,
      [WINE_TRY_CFLAGS([-mpreferred-stack-boundary=2],
                      ac_cv_c_gcc_stack_boundary="yes",ac_cv_c_gcc_stack_boundary="no")])
  if test "$ac_cv_c_gcc_stack_boundary" = "yes"
  then
    EXTRACFLAGS="$EXTRACFLAGS -mpreferred-stack-boundary=2"
  fi

  dnl Check for -fno-strict-aliasing
  AC_CACHE_CHECK([for gcc -fno-strict-aliasing support], ac_cv_c_gcc_no_strict_aliasing,
      [WINE_TRY_CFLAGS([-fno-strict-aliasing],
                      ac_cv_c_gcc_no_strict_aliasing="yes",ac_cv_c_gcc_no_strict_aliasing="no")])
  if test "$ac_cv_c_gcc_no_strict_aliasing" = "yes"
  then
    EXTRACFLAGS="$EXTRACFLAGS -fno-strict-aliasing"
  fi

  dnl Check for -gstabs+ option
  AC_CACHE_CHECK([for gcc -gstabs+ support], ac_cv_c_gcc_gstabs,
      [WINE_TRY_CFLAGS([-gstabs+],ac_cv_c_gcc_gstabs="yes", ac_cv_c_gcc_gstabs="no")])
  if test "$ac_cv_c_gcc_gstabs" = "yes"
  then
    EXTRACFLAGS="$EXTRACFLAGS -gstabs+"
  fi

  dnl Check for noisy string.h
  saved_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS -Wpointer-arith -Werror"
  AC_CACHE_CHECK([for broken string.h that generates warnings], ac_cv_c_string_h_warnings,
      AC_TRY_COMPILE([#include <string.h>],[],
                     [ac_cv_c_string_h_warnings=no],[ac_cv_c_string_h_warnings=yes]))
  CFLAGS="$saved_CFLAGS"
  if test "$ac_cv_c_string_h_warnings" = "no"
  then
    EXTRACFLAGS="$EXTRACFLAGS -Wpointer-arith"
  fi
fi

dnl **** Check how to define a function in assembly code ****

AC_CACHE_CHECK([how to define a function in assembly code], ac_cv_asm_func_def,
  WINE_TRY_ASM_LINK(
      ["\t.globl _ac_test\n\t.def _ac_test; .scl 2; .type 32; .endef\n_ac_test:\t.long 0"],,,
      ac_cv_asm_func_def=".def",
    [WINE_TRY_ASM_LINK(["\t.globl _ac_test\n\t.type _ac_test,@function\n_ac_test:\t.long 0"],,,
      ac_cv_asm_func_def=".type @function",
    [WINE_TRY_ASM_LINK(["\t.globl _ac_test\n\t.type _ac_test,2\n_ac_test:\t.long 0"],,,
      ac_cv_asm_func_def=".type 2",
      ac_cv_asm_func_def="unknown")])]))

AH_TEMPLATE(__ASM_FUNC,[Define to a macro to generate an assembly function directive])
case "$ac_cv_asm_func_def" in
  ".def")
     AC_DEFINE([__ASM_FUNC(name)], [".def " __ASM_NAME(name) "; .scl 2; .type 32; .endef"]) ;;
  ".type @function")
     AC_DEFINE([__ASM_FUNC(name)], [".type " __ASM_NAME(name) ",@function"]) ;;
  ".type 2")
     AC_DEFINE([__ASM_FUNC(name)], [".type " __ASM_NAME(name) ",2"]) ;;
  *)
     AC_DEFINE([__ASM_FUNC(name)], [""]) ;;
esac

dnl **** Check for underscore on external symbols ****

AC_CACHE_CHECK([whether external symbols need an underscore prefix], ac_cv_c_extern_prefix,
    WINE_TRY_ASM_LINK([".globl _ac_test\n_ac_test:\t.long 0"],
                      [extern int ac_test;],
                      [if (ac_test) return 1],
                      ac_cv_c_extern_prefix="yes",ac_cv_c_extern_prefix="no"))

AH_TEMPLATE(__ASM_NAME,[Define to a macro to generate an assembly name from a C symbol])
if test "$ac_cv_c_extern_prefix" = "yes"
then
  AC_DEFINE([__ASM_NAME(name)], ["_" name])
else
  AC_DEFINE([__ASM_NAME(name)], [name])
fi

dnl **** Check how to do strings in assembler ****

AC_CACHE_CHECK([whether assembler accepts .string], ac_cv_c_asm_string,
    WINE_TRY_ASM_LINK([".data\n\t.string \"test\"\n\t.text"],,,
                      ac_cv_c_asm_string="yes",ac_cv_c_asm_string="no"))
if test "$ac_cv_c_asm_string" = "yes"
then
  AC_DEFINE(__ASM_STRING, [".string"], [Define to the assembler keyword used to specify an ASCII string])
else
    AC_CACHE_CHECK([whether assembler accepts .asciz], ac_cv_c_asm_asciz,
        WINE_TRY_ASM_LINK([".data\n\t.asciz \"test\"\n\t.text"],,,
                      ac_cv_c_asm_asciz="yes",ac_cv_c_asm_asciz="no"))
    if test "$ac_cv_c_asm_asciz" = "yes"
    then
      AC_DEFINE(__ASM_STRING, [".asciz"])
    else
      AC_DEFINE(__ASM_STRING, [".ascii"])
    fi					
fi

dnl **** Check for .short in assembler ****

AC_CACHE_CHECK([whether assembler accepts .short], ac_cv_c_asm_short,
    WINE_TRY_ASM_LINK([".data\n\t.short 1\n\t.text"],,,
                      ac_cv_c_asm_short="yes",ac_cv_c_asm_short="no"))
if test "$ac_cv_c_asm_short" = "yes"
then
  AC_DEFINE(__ASM_SHORT, [".short"], [Define to the assembler keyword used to specify a word value])
else
  AC_DEFINE(__ASM_SHORT, [".half"])
fi

dnl **** Check for working dll ****

AC_SUBST(DLLEXT,"")
AC_SUBST(DLLFLAGS,"-D_REENTRANT")
AC_SUBST(DLLIBS,"")
AC_SUBST(LDSHARED,"")
AC_SUBST(LDDLL,"")
AC_SUBST(LIBEXT,"so")
AC_SUBST(IMPLIBEXT,"def")

case $host_os in
  cygwin*|mingw32*)
    AC_CHECK_TOOL(DLLTOOL,dlltool,false)
    AC_CHECK_TOOL(DLLWRAP,dllwrap,false)
    if test "$DLLWRAP" = "false"; then
      LIBEXT="a"
    else
      dnl FIXME - check whether dllwrap works correctly...
      LIBEXT="dll"
    fi
    IMPLIBEXT="a"
    ;;
  *)
    AC_CHECK_HEADERS(dlfcn.h,
        [AC_CHECK_FUNCS(dlopen,,
            [AC_CHECK_LIB(dl,dlopen,
                         [AC_DEFINE(HAVE_DLOPEN,1,[Define if you have dlopen])
                          DLLIBS="-ldl"],
                         [LIBEXT="a"])])],
        [LIBEXT="a"])

    if test "$LIBEXT" = "so"
    then
      DLLFLAGS="$DLLFLAGS -fPIC"
      DLLEXT=".so"
      AC_CACHE_CHECK([whether we can build a GNU style ELF dll], ac_cv_c_dll_gnuelf,
          [WINE_TRY_CFLAGS([-fPIC -shared -Wl,-soname,conftest.so.1.0,-Bsymbolic],
                           ac_cv_c_dll_gnuelf="yes",ac_cv_c_dll_gnuelf="no")])
      if test "$ac_cv_c_dll_gnuelf" = "yes"
      then
        LDSHARED="\$(CC) -shared \$(SONAME:%=-Wl,-soname,%)"
        LDDLL="\$(CC) -shared -Wl,-Bsymbolic"
        AC_CACHE_CHECK([whether the linker accepts -z defs], ac_cv_c_dll_zdefs,
          [WINE_TRY_CFLAGS([-fPIC -shared -Wl,-Bsymbolic,-z,defs],
                           ac_cv_c_dll_zdefs="yes",ac_cv_c_dll_zdefs="no")])
        if test "$ac_cv_c_dll_zdefs" = "yes"
        then
          LDDLL="$LDDLL,-z,defs"
        fi
        AC_CACHE_CHECK([whether we can relocate the executable to 0x3c000000], ac_cv_ld_reloc_exec,
          [saved_CFLAGS="$CFLAGS"
           CFLAGS="$CFLAGS -Wl,--section-start,.interp=0x3c000100"
           AC_TRY_RUN([#include <unistd.h>
                       int main() { return (sbrk(32*1024*1024) == (void *)-1); }],
                      ac_cv_ld_reloc_exec="yes",
                      ac_cv_ld_reloc_exec="no",
                      ac_cv_ld_reloc_exec="no")
           CFLAGS="$saved_CFLAGS"])
        if test "$ac_cv_ld_reloc_exec" = "yes"
        then
          AC_SUBST(LDEXECFLAGS,["-Wl,--section-start,.interp=0x3c000100"])
        fi
      else
        AC_CACHE_CHECK(whether we can build a UnixWare (Solaris) dll, ac_cv_c_dll_unixware,
            [WINE_TRY_CFLAGS([-fPIC -Wl,-G,-h,conftest.so.1.0,-B,symbolic],
                             ac_cv_c_dll_unixware="yes",ac_cv_c_dll_unixware="no")])
        if test "$ac_cv_c_dll_unixware" = "yes"
        then
          LDSHARED="\$(CC) -Wl,-G \$(SONAME:%=-Wl,-h,%)"
          LDDLL="\$(CC) -Wl,-G,-B,symbolic"
        fi
      fi
    fi

    dnl Check for cross compiler to build test programs
    AC_SUBST(CROSSTEST,"")
    if test "$cross_compiling" = "no"
    then
      AC_CHECK_PROGS(CROSSCC,i586-mingw32msvc-gcc i386-mingw32-gcc,false)
      AC_CHECK_PROGS(DLLTOOL,i586-mingw32msvc-dlltool i386-mingw32-dlltool,false)
      AC_CHECK_PROGS(CROSSWINDRES,i586-mingw32msvc-windres i386-mingw32-windres,false)
      if test "$CROSSCC" != "false"; then CROSSTEST="\$(CROSSTEST)"; fi
    fi
    ;;
esac

if test "$LIBEXT" = "a"; then
  AC_MSG_ERROR(
[could not find a way to build shared libraries.
It is currently not possible to build Wine without shared library
(.so) support to allow transparent switch between .so and .dll files.
If you are using Linux, you will need a newer binutils.]
)
fi

case $build_os in
  cygwin*|mingw32*)
    AC_SUBST(LDPATH,"PATH=\"\$(TOOLSDIR)/libs/unicode:\$\$PATH\"") ;;
  *)
    AC_SUBST(LDPATH,"LD_LIBRARY_PATH=\"\$(TOOLSDIR)/libs/unicode:\$\$LD_LIBRARY_PATH\"") ;;
esac

dnl Mingw needs explicit msvcrt for linking libwine
AC_SUBST(CRTLIBS,"")
case $host_os in
  mingw32*)
    CRTLIBS="-lmsvcrt" ;;
esac

dnl **** Get the soname for libraries that we load dynamically ****

if test "$LIBEXT" = "so"
then
  WINE_GET_SONAME(X11,XCreateWindow,[$X_LIBS $X_EXTRA_LIBS])
  WINE_GET_SONAME(Xext,XextCreateExtension,[$X_LIBS -lX11 $X_EXTRA_LIBS])
  WINE_GET_SONAME(Xrender,XRenderQueryExtension,[$X_LIBS -lXext -lX11 $X_EXTRA_LIBS])
  WINE_GET_SONAME(freetype,FT_Init_FreeType,[$X_LIBS])
  WINE_GET_SONAME(GL,glXQueryExtension,[$X_LIBS $X_EXTRA_LIBS])
  WINE_GET_SONAME(cups,cupsGetDefault)
  WINE_GET_SONAME(jack,jack_client_new)
  WINE_GET_SONAME(ssl,SSL_library_init)
  WINE_GET_SONAME(crypto,BIO_new_socket)
  WINE_GET_SONAME(ncurses,waddch)
  WINE_GET_SONAME(curses,waddch)
fi


dnl **** Check for functions ****

AC_FUNC_ALLOCA()
AC_CHECK_FUNCS(\
	_lwp_create \
	_lwp_self \
	_pclose \
	_popen \
	_snprintf \
	_spawnvp \
	_stricmp \
	_strnicmp \
	_vsnprintf \
	chsize \
	clone \
	finite \
	fpclass \
	ftruncate \
	ftruncate64 \
	getnetbyaddr \
	getnetbyname \
	getopt_long \
	getpagesize \
	getprotobyname \
	getprotobynumber \
	getpwuid \
	getservbyport \
	gettimeofday \
	inet_network \
	lseek64 \
	lstat \
	memmove \
	mmap \
	pclose \
	popen \
	pread \
	pwrite \
	rfork \
	select \
	sendmsg \
	settimeofday \
	sigaltstack \
	snprintf \
	spawnvp \
	statfs \
	strcasecmp \
	strerror \
	strncasecmp \
	tcgetattr \
	timegm \
	usleep \
	vfscanf \
	vsnprintf \
	wait4 \
	waitpid \
)

dnl **** Check for header files ****

AC_CHECK_HEADERS(\
	arpa/inet.h \
	arpa/nameser.h \
	cups/cups.h \
	direct.h \
	elf.h \
	float.h \
	getopt.h \
	ieeefp.h \
	io.h \
	jack/jack.h \
	libio.h \
	libutil.h \
	link.h \
	linux/cdrom.h \
	linux/hdreg.h \
	linux/input.h \
	linux/joystick.h \
	linux/major.h \
	linux/param.h \
	linux/serial.h \
	linux/ucdrom.h \
	machine/cpu.h \
	netdb.h \
	netinet/in.h \
	netinet/in_systm.h \
	netinet/tcp.h \
	netinet/tcp_fsm.h \
	openssl/ssl.h \
	process.h \
	pthread.h \
	pty.h \
	pwd.h \
	regex.h \
	sched.h \
	scsi/sg.h \
	scsi/scsi.h \
	scsi/scsi_ioctl.h \
	socket.h \
	stdint.h \
	strings.h \
	sys/cdio.h \
	sys/errno.h \
	sys/file.h \
	sys/filio.h \
	sys/inttypes.h \
	sys/ioctl.h \
	sys/ipc.h \
	sys/link.h \
	sys/lwp.h \
	sys/mman.h \
	sys/modem.h \
	sys/msg.h \
	sys/param.h \
	sys/poll.h \
	sys/ptrace.h \
	sys/reg.h \
	sys/scsiio.h \
	sys/shm.h \
	sys/signal.h \
	sys/socket.h \
	sys/sockio.h \
	sys/statfs.h \
	sys/strtio.h \
	sys/syscall.h \
	sys/sysctl.h \
	sys/time.h \
	sys/times.h \
	sys/uio.h \
	sys/un.h \
	sys/v86.h \
	sys/v86intr.h \
	sys/vfs.h \
	sys/vm86.h \
	sys/wait.h \
	syscall.h \
	termios.h \
	unistd.h \
	utime.h \
	valgrind/memcheck.h
)
AC_HEADER_STAT()

dnl **** Checks for headers that depend on other ones ****

AC_CHECK_HEADERS(sys/mount.h sys/user.h,,,
    [#include <sys/types.h>
     #if HAVE_SYS_PARAM_H
     # include <sys/param.h>
     #endif])

AC_CHECK_HEADERS([net/if.h net/if_arp.h net/if_dl.h net/if_types.h net/route.h],,,
    [#include <sys/types.h>
     #if HAVE_SYS_SOCKET_H
     # include <sys/socket.h>
     #endif])

AC_CHECK_HEADERS([resolv.h],,,
    [#include <sys/types.h>
     #if HAVE_SYS_SOCKET_H
     # include <sys/socket.h>
     #endif
     #if HAVE_NETINET_IN_H
     # include <netinet/in.h>
     #endif])

AC_CHECK_HEADERS(netinet/ip.h,,,
    [#include <sys/types.h>
     #if HAVE_SYS_SOCKET_H
     # include <sys/socket.h>
     #endif
     #if HAVE_NETINET_IN_SYSTM_H
     # include <netinet/in_systm.h>
     #endif])

AC_CHECK_HEADERS(ucontext.h,,,[#include <signal.h>])

dnl **** Check for IPX headers (currently Linux only) ****

AC_CACHE_CHECK([for GNU style IPX support], ac_cv_c_ipx_gnu,
 AC_TRY_COMPILE(
   [#include <sys/types.h>
    #ifdef HAVE_SYS_SOCKET_H
    # include <sys/socket.h>
    #endif
    #include <netipx/ipx.h>],
   [((struct sockaddr_ipx *)0)->sipx_family == AF_IPX],
   [ac_cv_c_ipx_gnu="yes"],
   [ac_cv_c_ipx_gnu="no"])
 )
if test "$ac_cv_c_ipx_gnu" = "yes"
then
    AC_DEFINE(HAVE_IPX_GNU, 1, [Define if IPX should use netipx/ipx.h from libc])
fi

if test "$ac_cv_c_ipx_gnu" = "no"
then
 AC_CACHE_CHECK([for linux style IPX support], ac_cv_c_ipx_linux,
  AC_TRY_COMPILE(
    [#include <sys/types.h>
     #ifdef HAVE_SYS_SOCKET_H
     # include <sys/socket.h>
     #endif
     #include <asm/types.h>
     #include <linux/ipx.h>],
    [((struct sockaddr_ipx *)0)->sipx_family == AF_IPX],
    [ac_cv_c_ipx_linux="yes"],
    [ac_cv_c_ipx_linux="no"])
  )
  if test "$ac_cv_c_ipx_linux" = "yes"
  then
      AC_DEFINE(HAVE_IPX_LINUX, 1, [Define if IPX includes are taken from Linux kernel])
  fi
fi

dnl **** Check for types ****

AC_C_CONST
AC_C_INLINE
AC_CHECK_TYPES([mode_t, off_t, pid_t, size_t, ssize_t])
AC_CHECK_SIZEOF(long long,0)

AC_CACHE_CHECK([whether linux/input.h is for real],
	wine_cv_linux_input_h,
	AC_TRY_COMPILE([
	    #include <linux/input.h>
	] , [
	    int foo = EVIOCGBIT(EV_ABS,42);
	    int bar = BTN_PINKIE;
	    int fortytwo = 42;
	],
	wine_cv_linux_input_h=yes,
	wine_cv_linux_input_h=no,
	no
	)
    )
    if test "$wine_cv_linux_input_h" = "yes"
    then
        AC_DEFINE(HAVE_CORRECT_LINUXINPUT_H, 1,
                  [Define if we have linux/input.h AND it contains the INPUT event API])
    fi


AC_CACHE_CHECK([whether we can use re-entrant gethostbyname_r Linux style],
   	wine_cv_linux_gethostbyname_r_6,
	AC_TRY_COMPILE([
#include <netdb.h>
	], [
    char *name=NULL;
    struct hostent he;
    struct hostent *result;
    char *buf=NULL;
    int bufsize=0;
    int res,errnr;
    char *addr=NULL;
    int addrlen=0;
    int addrtype=0;
    res=gethostbyname_r(name,&he,buf,bufsize,&result,&errnr);
    res=gethostbyaddr_r(addr, addrlen, addrtype,&he,buf,bufsize,&result,&errnr);
    ],
	wine_cv_linux_gethostbyname_r_6=yes,
	wine_cv_linux_gethostbyname_r_6=no
	)
   )
   if test "$wine_cv_linux_gethostbyname_r_6" = "yes"
   then
      AC_DEFINE(HAVE_LINUX_GETHOSTBYNAME_R_6, 1,
                [Define if Linux-style gethostbyname_r and gethostbyaddr_r are available])
   fi

if test "$ac_cv_header_linux_joystick_h" = "yes"
then
   AC_CACHE_CHECK([whether linux/joystick.h uses the Linux 2.2+ API],
   	wine_cv_linux_joystick_22_api,
	AC_TRY_COMPILE([
	#include <sys/ioctl.h>
	#include <linux/joystick.h>

	struct js_event blub;
	#if !defined(JS_EVENT_AXIS) || !defined(JS_EVENT_BUTTON)
	#error "no 2.2 header"
	#endif
	],/*empty*/,
	wine_cv_linux_joystick_22_api=yes,
	wine_cv_linux_joystick_22_api=no,
	wine_cv_linux_joystick_22_api=no
	)
   )
   if test "$wine_cv_linux_joystick_22_api" = "yes"
   then
      AC_DEFINE(HAVE_LINUX_22_JOYSTICK_API, 1,
                [Define if <linux/joystick.h> defines the Linux 2.2 joystick API])
   fi
fi

dnl **** statfs checks ****

if test "$ac_cv_header_sys_vfs_h" = "yes"
then
    AC_CACHE_CHECK( [whether sys/vfs.h defines statfs],
		    wine_cv_sys_vfs_has_statfs,
	AC_TRY_COMPILE([
	#include <sys/types.h>
	#ifdef HAVE_SYS_PARAM_H
	# include <sys/param.h>
	#endif
	#include <sys/vfs.h>
	],[
		struct statfs stfs;

		memset(&stfs,0,sizeof(stfs));
	],wine_cv_sys_vfs_has_statfs=yes,wine_cv_sys_vfs_has_statfs=no
	)
    )
    if test "$wine_cv_sys_vfs_has_statfs" = "yes"
    then
      AC_DEFINE(STATFS_DEFINED_BY_SYS_VFS, 1,
                [Define if the struct statfs is defined by <sys/vfs.h>])
    fi
fi

if test "$ac_cv_header_sys_statfs_h" = "yes"
then
    AC_CACHE_CHECK( [whether sys/statfs.h defines statfs],
		    wine_cv_sys_statfs_has_statfs,
	AC_TRY_COMPILE([
	#include <sys/types.h>
	#ifdef HAVE_SYS_PARAM_H
	# include <sys/param.h>
	#endif
	#include <sys/statfs.h>
	],[
		struct statfs stfs;
	],wine_cv_sys_statfs_has_statfs=yes,wine_cv_sys_statfs_has_statfs=no
	)
    )
    if test "$wine_cv_sys_statfs_has_statfs" = "yes"
    then
      AC_DEFINE(STATFS_DEFINED_BY_SYS_STATFS, 1,
                [Define if the struct statfs is defined by <sys/statfs.h>])
    fi
fi

if test "$ac_cv_header_sys_mount_h" = "yes"
then
    AC_CACHE_CHECK( [whether sys/mount.h defines statfs],
		    wine_cv_sys_mount_has_statfs,
	AC_TRY_COMPILE([
	#include <sys/types.h>
	#ifdef HAVE_SYS_PARAM_H
	# include <sys/param.h>
	#endif
	#include <sys/mount.h>
	],[
		struct statfs stfs;
	],wine_cv_sys_mount_has_statfs=yes,wine_cv_sys_mount_has_statfs=no
	)
    )
    if test "$wine_cv_sys_mount_has_statfs" = "yes"
    then
      AC_DEFINE(STATFS_DEFINED_BY_SYS_MOUNT, 1,
                [Define if the struct statfs is defined by <sys/mount.h>])
    fi
fi

dnl **** FIXME: what about mixed cases, where we need two of them? ***

dnl Check for statfs members
AC_CHECK_MEMBERS([struct statfs.f_bfree, struct statfs.f_bavail],,,
[#include <sys/types.h>
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#ifdef STATFS_DEFINED_BY_SYS_MOUNT
# include <sys/mount.h>
#else
# ifdef STATFS_DEFINED_BY_SYS_VFS
#  include <sys/vfs.h>
# else
#  ifdef STATFS_DEFINED_BY_SYS_STATFS
#   include <sys/statfs.h>
#  endif
# endif
#endif])

dnl Check for socket structure members
AC_CHECK_MEMBERS([struct msghdr.msg_accrights, struct sockaddr.sa_len, struct sockaddr_un.sun_len],,,
[#include <sys/types.h>
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_SYS_UN_H
# include <sys/un.h>
#endif])

dnl Check for siginfo_t members
AC_CHECK_MEMBERS([siginfo_t.si_fd],,,[#include <signal.h>])

dnl Check for struct option
AC_CHECK_MEMBERS([struct option.name],,,
[#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif])

dnl Check for stat.st_blocks
AC_CHECK_MEMBERS([struct stat.st_blocks])

dnl *** check for the need to define platform-specific symbols

case $host_cpu in
  *i[[3456789]]86*) WINE_CHECK_DEFINE([__i386__]) ;;
  *alpha*)          WINE_CHECK_DEFINE([__ALPHA__]) ;;
  *sparc*)          WINE_CHECK_DEFINE([__sparc__]) ;;
  *powerpc*)        WINE_CHECK_DEFINE([__powerpc__]) ;;
esac

case $host_vendor in
  *sun*) WINE_CHECK_DEFINE([__sun__]) ;;
esac

dnl **** Generate output files ****

AH_TOP([#define __WINE_CONFIG_H])

WINE_CONFIG_EXTRA_DIR(controls)
WINE_CONFIG_EXTRA_DIR(dlls/ddraw/d3ddevice)
WINE_CONFIG_EXTRA_DIR(dlls/ddraw/dclipper)
WINE_CONFIG_EXTRA_DIR(dlls/ddraw/ddraw)
WINE_CONFIG_EXTRA_DIR(dlls/ddraw/direct3d)
WINE_CONFIG_EXTRA_DIR(dlls/ddraw/dpalette)
WINE_CONFIG_EXTRA_DIR(dlls/ddraw/dsurface)
WINE_CONFIG_EXTRA_DIR(dlls/dinput/joystick)
WINE_CONFIG_EXTRA_DIR(dlls/dinput/keyboard)
WINE_CONFIG_EXTRA_DIR(dlls/dinput/mouse)
WINE_CONFIG_EXTRA_DIR(dlls/gdi/enhmfdrv)
WINE_CONFIG_EXTRA_DIR(dlls/gdi/mfdrv)
WINE_CONFIG_EXTRA_DIR(dlls/kernel/messages)
WINE_CONFIG_EXTRA_DIR(dlls/user/dde)
WINE_CONFIG_EXTRA_DIR(dlls/user/resources)
WINE_CONFIG_EXTRA_DIR(dlls/wineps/data)
WINE_CONFIG_EXTRA_DIR(files)
WINE_CONFIG_EXTRA_DIR(graphics)
WINE_CONFIG_EXTRA_DIR(graphics/x11drv)
WINE_CONFIG_EXTRA_DIR(include/wine)
WINE_CONFIG_EXTRA_DIR(loader)
WINE_CONFIG_EXTRA_DIR(memory)
WINE_CONFIG_EXTRA_DIR(misc)
WINE_CONFIG_EXTRA_DIR(msdos)
WINE_CONFIG_EXTRA_DIR(objects)
WINE_CONFIG_EXTRA_DIR(programs/regapi/tests)
WINE_CONFIG_EXTRA_DIR(programs/regedit/tests)
WINE_CONFIG_EXTRA_DIR(scheduler)
WINE_CONFIG_EXTRA_DIR(windows)

MAKE_RULES=Make.rules
AC_SUBST_FILE(MAKE_RULES)

MAKE_DLL_RULES=dlls/Makedll.rules
AC_SUBST_FILE(MAKE_DLL_RULES)

MAKE_TEST_RULES=dlls/Maketest.rules
AC_SUBST_FILE(MAKE_TEST_RULES)

MAKE_LIB_RULES=libs/Makelib.rules
AC_SUBST_FILE(MAKE_LIB_RULES)

MAKE_PROG_RULES=programs/Makeprog.rules
AC_SUBST_FILE(MAKE_PROG_RULES)

AC_CONFIG_FILES([
Make.rules
dlls/Makedll.rules
dlls/Maketest.rules
libs/Makelib.rules
programs/Makeprog.rules
Makefile
dlls/Makefile
dlls/advapi32/Makefile
dlls/advapi32/tests/Makefile
dlls/avicap32/Makefile
dlls/avifil32/Makefile
dlls/cabinet/Makefile
dlls/comcat/Makefile
dlls/comctl32/Makefile
dlls/comctl32/tests/Makefile
dlls/commdlg/Makefile
dlls/crtdll/Makefile
dlls/crypt32/Makefile
dlls/ctl3d/Makefile
dlls/d3d8/Makefile
dlls/d3d9/Makefile
dlls/d3dim/Makefile
dlls/d3dx8/Makefile
dlls/dciman32/Makefile
dlls/ddraw/Makefile
dlls/devenum/Makefile
dlls/dinput/Makefile
dlls/dinput8/Makefile
dlls/dmband/Makefile
dlls/dmcompos/Makefile
dlls/dmime/Makefile
dlls/dmloader/Makefile
dlls/dmscript/Makefile
dlls/dmstyle/Makefile
dlls/dmsynth/Makefile
dlls/dmusic/Makefile
dlls/dmusic32/Makefile
dlls/dplay/Makefile
dlls/dplayx/Makefile
dlls/dpnhpast/Makefile
dlls/dsound/Makefile
dlls/dsound/tests/Makefile
dlls/gdi/Makefile
dlls/gdi/tests/Makefile
dlls/glu32/Makefile
dlls/icmp/Makefile
dlls/imagehlp/Makefile
dlls/imm32/Makefile
dlls/iphlpapi/Makefile
dlls/kernel/Makefile
dlls/kernel/tests/Makefile
dlls/lzexpand/Makefile
dlls/mapi32/Makefile
dlls/mpr/Makefile
dlls/msacm/Makefile
dlls/msacm/imaadp32/Makefile
dlls/msacm/msadp32/Makefile
dlls/msacm/msg711/Makefile
dlls/msacm/winemp3/Makefile
dlls/msdmo/Makefile
dlls/mshtml/Makefile
dlls/msi/Makefile
dlls/msimg32/Makefile
dlls/msisys/Makefile
dlls/msnet32/Makefile
dlls/msvcrt/Makefile
dlls/msvcrt/tests/Makefile
dlls/msvcrt20/Makefile
dlls/msvcrtd/Makefile
dlls/msvideo/Makefile
dlls/msvideo/msrle32/Makefile
dlls/mswsock/Makefile
dlls/netapi32/Makefile
dlls/netapi32/tests/Makefile
dlls/ntdll/Makefile
dlls/ntdll/tests/Makefile
dlls/odbc32/Makefile
dlls/ole32/Makefile
dlls/oleacc/Makefile
dlls/oleaut32/Makefile
dlls/oleaut32/tests/Makefile
dlls/olecli/Makefile
dlls/oledlg/Makefile
dlls/olepro32/Makefile
dlls/olesvr/Makefile
dlls/opengl32/Makefile
dlls/psapi/Makefile
dlls/qcap/Makefile
dlls/quartz/Makefile
dlls/rasapi32/Makefile
dlls/richedit/Makefile
dlls/rpcrt4/Makefile
dlls/rpcrt4/tests/Makefile
dlls/serialui/Makefile
dlls/setupapi/Makefile
dlls/shdocvw/Makefile
dlls/shell32/Makefile
dlls/shell32/tests/Makefile
dlls/shfolder/Makefile
dlls/shlwapi/Makefile
dlls/shlwapi/tests/Makefile
dlls/snmpapi/Makefile
dlls/sti/Makefile
dlls/tapi32/Makefile
dlls/ttydrv/Makefile
dlls/twain/Makefile
dlls/url/Makefile
dlls/urlmon/Makefile
dlls/urlmon/tests/Makefile
dlls/user/Makefile
dlls/user/tests/Makefile
dlls/uxtheme/Makefile
dlls/version/Makefile
dlls/win32s/Makefile
dlls/winaspi/Makefile
dlls/winedos/Makefile
dlls/wineps/Makefile
dlls/wininet/Makefile
dlls/wininet/tests/Makefile
dlls/winmm/Makefile
dlls/winmm/joystick/Makefile
dlls/winmm/mcianim/Makefile
dlls/winmm/mciavi/Makefile
dlls/winmm/mcicda/Makefile
dlls/winmm/mciseq/Makefile
dlls/winmm/mciwave/Makefile
dlls/winmm/midimap/Makefile
dlls/winmm/tests/Makefile
dlls/winmm/wavemap/Makefile
dlls/winmm/winealsa/Makefile
dlls/winmm/winearts/Makefile
dlls/winmm/wineaudioio/Makefile
dlls/winmm/winenas/Makefile
dlls/winmm/winejack/Makefile
dlls/winmm/wineoss/Makefile
dlls/winnls/Makefile
dlls/winsock/Makefile
dlls/winsock/tests/Makefile
dlls/winspool/Makefile
dlls/winspool/tests/Makefile
dlls/wintab32/Makefile
dlls/wintrust/Makefile
dlls/wow32/Makefile
dlls/wsock32/Makefile
dlls/x11drv/Makefile
documentation/Makefile
include/Makefile
libs/Makefile
libs/port/Makefile
libs/unicode/Makefile
libs/uuid/Makefile
libs/wine/Makefile
libs/wpp/Makefile
miscemu/Makefile
programs/Makefile
programs/avitools/Makefile
programs/clock/Makefile
programs/cmdlgtst/Makefile
programs/control/Makefile
programs/expand/Makefile
programs/notepad/Makefile
programs/osversioncheck/Makefile
programs/progman/Makefile
programs/regapi/Makefile
programs/regedit/Makefile
programs/regsvr32/Makefile
programs/regtest/Makefile
programs/rpcss/Makefile
programs/rundll32/Makefile
programs/start/Makefile
programs/uninstaller/Makefile
programs/view/Makefile
programs/wcmd/Makefile
programs/wineboot/Makefile
programs/winecfg/Makefile
programs/wineconsole/Makefile
programs/winedbg/Makefile
programs/winefile/Makefile
programs/winemenubuilder/Makefile
programs/winemine/Makefile
programs/winepath/Makefile
programs/winevdm/Makefile
programs/winhelp/Makefile
programs/winver/Makefile
server/Makefile
tools/Makefile
tools/widl/Makefile
tools/winapi/Makefile
tools/winebuild/Makefile
tools/winedump/Makefile
tools/winegcc/Makefile
tools/wmc/Makefile
tools/wrc/Makefile])

AC_OUTPUT

if test "$have_x" = "no"
then
  echo
  echo "*** Warning: X development files not found. Wine will be built without"
  echo "*** X support, which currently does not work, and would probably not be"
  echo "*** what you want anyway. You will need to install devel packages of"
  echo "*** Xlib/Xfree86 at the very least."
fi

if test "$wine_cv_opengl_version_OK" = "no"
then
  echo
  echo "*** Warning: old Mesa headers detected. Wine will be built without Direct3D"
  echo "*** support. Consider upgrading your Mesa libraries (http://www.mesa3d.org/)."
fi

if test "$wine_cv_msg_freetype" = "yes"
then
  echo
  echo "*** Note: Your system appears to have the FreeType 2 runtime libraries"
  echo "*** installed, but 'freetype-config' is not in your PATH. Install the"
  echo "*** freetype-devel package (or its equivalent on your distribution) to"
  echo "*** enable Wine to use TrueType fonts."
fi

echo
echo "Configure finished.  Do 'make depend && make' to compile Wine."
echo

dnl Local Variables:
dnl comment-start: "dnl "
dnl comment-end: ""
dnl comment-start-skip: "\\bdnl\\b\\s *"
dnl compile-command: "autoconf"
dnl End: