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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_INIT([Wine],[WINE_VERSION],[wine-devel@winehq.org])
AC_CONFIG_SRCDIR(server/atom.c)
AC_CONFIG_HEADERS(include/config.h)
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AC_CONFIG_AUX_DIR(tools)
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dnl **** Command-line arguments ****

AC_ARG_ENABLE(win16, AS_HELP_STRING([--disable-win16],[do not include Win16 support]))
AC_ARG_ENABLE(win64, AS_HELP_STRING([--enable-win64],[build a Win64 emulator on AMD64 (won't run Win32 binaries)]))
AC_ARG_WITH(opengl,    AS_HELP_STRING([--without-opengl],[do not use OpenGL]))
AC_ARG_WITH(wine-tools,AS_HELP_STRING([--with-wine-tools=<dir>],[use Wine tools from directory <dir>]))
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case $host in
  x86_64*linux*)
    if test "x$enable_win64" != "xyes"
    then
      test -n "$CC" || CC="gcc -m32"
      test -n "$LD" || LD="ld -m elf_i386"
      test -n "$AS" || AS="as --32"
      host_cpu="i386"
dnl enable_win16 defaults to yes on x86, to no on other CPUs
case $host_cpu in
  *i[[3456789]]86*)
    if test "x$enable_win16" != "xno" 
    then
      enable_win16="yes"
    fi
    ;;
esac
   
AC_SUBST(WIN16_FILES,"\$(WIN16_FILES)")
AC_SUBST(WIN16_INSTALL,"\$(WIN16_INSTALL)")
if test "x$enable_win16" != "xyes"
then
  WIN16_FILES=""
  WIN16_INSTALL=""
fi

dnl check for out of tree build with unclean source tree
case "$srcdir" in
 .) ;;
 *) if test -f "$srcdir/Makefile" -o -f "$srcdir/include/config.h"; then
      AC_MSG_ERROR([you are building out of the source tree, but the source tree contains object files.
You need to run 'make distclean' in the source tree first.])
    fi ;;
esac

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

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AC_PROG_MAKE_SET
AC_PROG_CC
dnl We can't use AC_PROG_CPP for winegcc, it uses by default $(CC) -E
AC_CHECK_TOOL(CPPBIN,cpp,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)

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AC_PATH_XTRA
dnl Check for flex
AC_CHECK_PROGS(FLEX,flex,none)
if test "$FLEX" = "none"
  AC_MSG_ERROR([no suitable flex found. Please install the 'flex' package.])
dnl Check for bison
AC_CHECK_PROGS(BISON,bison,none)
if test "$BISON" = "none"
then
  AC_MSG_ERROR([no suitable bison found. Please install the 'bison' package.])
fi

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AC_PROG_RANLIB
AC_CHECK_TOOL(STRIP,strip,strip)
AC_CHECK_TOOL(WINDRES,windres,false)
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AC_PROG_LN_S
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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
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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 various programs
AC_CHECK_PROGS(FONTFORGE, fontforge, false)
AC_CHECK_PROGS(PKG_CONFIG, pkg-config, false)
    AC_PATH_PROG(PRELINK, prelink, false, [/sbin /usr/sbin $PATH])
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dnl **** Check for some libraries ****

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dnl Check for -li386 for NetBSD and OpenBSD
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AC_CHECK_LIB(i386,i386_set_ldt)
dnl Check for -lossaudio for NetBSD
AC_CHECK_LIB(ossaudio,_oss_ioctl)
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dnl Check for -lxpg4 for FreeBSD
AC_CHECK_LIB(xpg4,_xpg4_setrunelocale)
dnl Check for -lpthread
AC_CHECK_LIB(pthread,pthread_create,AC_SUBST(LIBPTHREAD,"-lpthread"))
AC_SUBST(XLIB,"")
AC_SUBST(XFILES,"")
AC_SUBST(OPENGLFILES,"")
AC_SUBST(GLU32FILES,"")
AC_SUBST(OPENGL_LIBS,"")

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

AC_CHECK_HEADERS(\
	AudioUnit/AudioUnit.h \
	CoreAudio/CoreAudio.h \
	DiskArbitration/DiskArbitration.h \
	asm/types.h \
	elf.h \
	float.h \
	fontconfig/fontconfig.h \
	getopt.h \
	ieeefp.h \
	io.h \
	jack/jack.h \
	jpeglib.h \
	link.h \
	linux/cdrom.h \
	linux/compiler.h \
	linux/hdreg.h \
	linux/input.h \
	linux/ioctl.h \
	linux/joystick.h \
	linux/major.h \
	linux/param.h \
	linux/serial.h \
	linux/ucdrom.h \
	mach/machine.h \
	machine/limits.h \
	netdb.h \
	netinet/in.h \
	netinet/in_systm.h \
	netinet/tcp.h \
	netinet/tcp_fsm.h \
	poll.h \
	process.h \
	pthread.h \
	pwd.h \
	regex.h \
	sched.h \
	scsi/scsi.h \
	scsi/scsi_ioctl.h \
	sys/exec_elf.h \
	sys/filio.h \
	sys/ioctl.h \
	sys/ipc.h \
	sys/link.h \
	sys/lwp.h \
	sys/mman.h \
	sys/modem.h \
	sys/msg.h \
	sys/scsiio.h \
	sys/shm.h \
	sys/signal.h \
	sys/socket.h \
	sys/sockio.h \
	sys/statvfs.h \
	sys/strtio.h \
	sys/syscall.h \
	sys/sysctl.h \
	sys/time.h \
	sys/times.h \
	sys/uio.h \
	sys/un.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/statfs.h sys/user.h sys/vfs.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 netipx/ipx.h],,,
    [#include <sys/types.h>
     #if HAVE_SYS_SOCKET_H
     # include <sys/socket.h>
     #endif])

AC_CHECK_HEADERS([linux/ipx.h],,,
    [#include <sys/types.h>
     #ifdef HAVE_ASM_TYPES_H
     # include <asm/types.h>
     #endif
     #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
     #if HAVE_ARPA_NAMESER_H
     # include <arpa/nameser.h>
     #endif])

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

AC_CHECK_HEADERS([pthread_np.h],,,
[#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#endif])

AC_CHECK_HEADERS([linux/videodev.h],,,
[#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/types.h>
#ifdef HAVE_ASM_TYPES_H
#include <asm/types.h>
#endif])

dnl Check for broken kernel header that doesn't define __user
AC_CHECK_HEADERS([linux/capi.h],,,[#define __user])

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

AC_SUBST(DLLEXT,"")
AC_SUBST(DLLFLAGS,"-D_REENTRANT")
AC_SUBST(LDSHARED,"")
AC_SUBST(LDDLLFLAGS,"")
AC_SUBST(LIBEXT,"so")
AC_SUBST(IMPLIBEXT,"def")
AC_SUBST(LDRPATH_INSTALL,"")
AC_SUBST(LDRPATH_LOCAL,"")
WINE_PATH_LDD

case $host_os in
  cygwin*|mingw32*)
    AC_CHECK_TOOL(DLLTOOL,dlltool,false)
    AC_CHECK_TOOL(DLLWRAP,dllwrap,false)
    AC_CHECK_TOOL(MINGWAR,ar,false)
    if test "$DLLWRAP" = "false"; then
      LIBEXT="a"
    else
      dnl FIXME - check whether dllwrap works correctly...
      LIBEXT="dll"
    fi
    IMPLIBEXT="a"
    dnl We can't build 16-bit NE dlls
    WIN16_FILES=""
    WIN16_INSTALL=""
    ;;
  darwin*|macosx*)
    DLLEXT=".so"
    LIBEXT="dylib"
    DLLFLAGS="$DLLFLAGS -fPIC"
    LDDLLFLAGS="-bundle -multiply_defined suppress"
    LIBWINE_LDFLAGS="-multiply_defined suppress"
    LDSHARED="\$(CC) -dynamiclib"
    STRIP="$STRIP -x"
    LDRPATH_LOCAL="&& install_name_tool -change @executable_path/\`\$(RELPATH) \$(bindir) \$(libdir)\`/libwine.1.dylib @executable_path/\$(TOPOBJDIR)/libs/wine/libwine.1.dylib \$@ || \$(RM) \$@"
    dnl declare needed frameworks
    AC_SUBST(COREFOUNDATIONLIB,"-framework CoreFoundation")
    AC_SUBST(IOKITLIB,"-framework IOKit -framework CoreFoundation")
    AC_SUBST(LDEXECFLAGS,["-image_base 0x7bf00000 -Wl,-segaddr,WINE_DOS,0x00000000,-segaddr,WINE_SHARED_HEAP,0x7f000000"])
    if test "$ac_cv_header_DiskArbitration_DiskArbitration_h" = "yes"
    then
        dnl DiskArbitration API is not public on Darwin < 8.0, use it only if header found
        AC_SUBST(DISKARBITRATIONLIB,"-framework DiskArbitration -framework CoreFoundation")
    fi
    if test "$ac_cv_header_CoreAudio_CoreAudio_h" = "yes" -a "$ac_cv_header_AudioUnit_AudioUnit_h" = "yes"
    then
        dnl CoreServices needed by AudioUnit
        AC_SUBST(COREAUDIO,"-framework CoreAudio -framework AudioUnit -framework CoreServices -framework AudioToolbox -framework CoreMIDI")
    fi
    case $host_cpu in
      *powerpc*)
        LDDLLFLAGS="$LDDLLFLAGS -read_only_relocs warning"  dnl FIXME
        ;;
    esac
    dnl Enable quartz driver on Mac OS X
    if test "$ac_cv_header_Carbon_Carbon_h" = "yes"
    then
        AC_SUBST(CARBONLIB,"-framework Carbon")
        QUARTZFILES='$(QUARTZFILES)'
    fi
    ;;
  *)
    DLLFLAGS="$DLLFLAGS -fPIC"
    DLLEXT=".so"
    AC_CACHE_CHECK([whether we can build a GNU style ELF dll], ac_cv_c_dll_gnuelf,
        [WINE_TRY_SHLIB_FLAGS([-fPIC -shared -Wl,-Bsymbolic],
                              ac_cv_c_dll_gnuelf="yes",ac_cv_c_dll_gnuelf="no")])
    if test "$ac_cv_c_dll_gnuelf" = "yes"
    then
      LDSHARED="\$(CC) -shared"
      LDDLLFLAGS="-shared -Wl,-Bsymbolic"
      WINE_TRY_CFLAGS([-fPIC -shared -Wl,-soname,confest.so.1],
                      [LDSHARED="\$(CC) -shared \$(SONAME:%=-Wl,-soname,%)"],
                      [WINE_TRY_CFLAGS([-fPIC -shared -Wl,-h,confest.so.1],
                                       [LDSHARED="\$(CC) -shared \$(SONAME:%=-Wl,-h,%)"])])

      WINE_TRY_CFLAGS([-fPIC -shared -Wl,-Bsymbolic,-z,defs], [LDDLLFLAGS="$LDDLLFLAGS,-z,defs"])

      WINE_TRY_CFLAGS([-fPIC -shared -Wl,-Bsymbolic,-init,__wine_spec_init,-fini,__wine_spec_fini],
                      [LDDLLFLAGS="$LDDLLFLAGS,-init,__wine_spec_init,-fini,__wine_spec_fini"])

      echo '{ global: *; };' >conftest.map
      WINE_TRY_CFLAGS([-fPIC -shared -Wl,--version-script=conftest.map],
                      [LDSHARED="$LDSHARED \$(VERSCRIPT:%=-Wl,--version-script=%)"])
      rm -f conftest.map

      WINE_TRY_CFLAGS([-fPIC -Wl,--export-dynamic],
                      [AC_SUBST(LDEXECFLAGS,["-Wl,--export-dynamic"])])

      WINE_TRY_CFLAGS([-fPIC -Wl,--rpath,\$ORIGIN/../lib],
                      [LDRPATH_INSTALL="-Wl,--rpath,\\\$\$ORIGIN/\`\$(RELPATH) \$(bindir) \$(libdir)\`"
                       LDRPATH_LOCAL="-Wl,--rpath,\\\$\$ORIGIN/\$(TOPOBJDIR)/libs/wine"],
          [WINE_TRY_CFLAGS([-fPIC -Wl,-R,\$ORIGIN/../lib],
                           [LDRPATH_INSTALL="-Wl,-R,\\\$\$ORIGIN/\`\$(RELPATH) \$(bindir) \$(libdir)\`"
                            LDRPATH_LOCAL="-Wl,-R,\\\$\$ORIGIN/\$(TOPOBJDIR)/libs/wine"])])

      case $host_cpu in
        *i[[3456789]]86* | x86_64)
          WINE_TRY_CFLAGS([-Wl,--section-start,.interp=0x7bf00400],
                          [LDEXECFLAGS="$LDEXECFLAGS -Wl,--section-start,.interp=0x7bf00400"])
          ;;
      esac

    else
      AC_CACHE_CHECK(whether we can build a UnixWare (Solaris) dll, ac_cv_c_dll_unixware,
          [WINE_TRY_SHLIB_FLAGS([-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,%)"
        LDDLLFLAGS="-Wl,-G,-B,symbolic"

      else
        AC_CACHE_CHECK(whether we can build an HP-UX dll, ac_cv_c_dll_hpux,
          [WINE_TRY_SHLIB_FLAGS([-shared], ac_cv_c_dll_hpux="yes", ac_cv_c_dll_hpux="no")])
        if test "$ac_cv_c_dll_hpux" = "yes"
        then
          LIBEXT="sl"
          DLLEXT=".sl"
          LDDLLFLAGS="-shared -fPIC"
          LDSHARED="\$(CC) -shared"
        fi
      fi
    fi

    dnl Check for cross compiler to build test programs
    AC_SUBST(CROSSTEST,"")
    if test "$cross_compiling" = "no"
    then
      WINE_CHECK_MINGW_PROG(CROSSCC,gcc,false)
      WINE_CHECK_MINGW_PROG(DLLTOOL,dlltool,false)
      WINE_CHECK_MINGW_PROG(CROSSWINDRES,windres,false)
      WINE_CHECK_MINGW_PROG(MINGWAR,ar,false)
      if test "$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

    XLIB="-lXext -lX11"
    ac_save_CPPFLAGS="$CPPFLAGS"
    CPPFLAGS="$CPPFLAGS $X_CFLAGS"
    dnl *** All of the following tests require X11/Xlib.h
    AC_CHECK_HEADERS([X11/Xlib.h \
                      X11/XKBlib.h \
                      X11/Xutil.h \
                      X11/Xcursor/Xcursor.h \
                      X11/extensions/shape.h \
                      X11/extensions/XInput.h \
                      X11/extensions/XShm.h \
                      X11/extensions/Xinerama.h \
                      X11/extensions/Xrandr.h \
                      X11/extensions/Xrender.h \
                      X11/extensions/xf86vmode.h],,,
[#ifdef HAVE_X11_XLIB_H
# include <X11/Xlib.h>
#endif
#ifdef HAVE_X11_XUTIL_H
# include <X11/Xutil.h>
#endif])
        dnl *** Check for X keyboard extension
        if test "$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 $X_EXTRA_LIBS)
        dnl *** Check for X Shm extension
        if test "$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 $X_EXTRA_LIBS)
        dnl *** Check for X shape extension
        if test "$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 $X_EXTRA_LIBS)
        dnl *** Check for XFree86 VMODE extension
        if test "$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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
#include <X11/extensions/Xrandr.h>]], [[static typeof(XRRSetScreenConfigAndRate) * func;]])],
                  [AC_DEFINE(HAVE_LIBXRANDR, 1, [Define if you have the Xrandr library])],[])
        dnl *** Check for Transform functions in Xrender
        if test "$ac_cv_header_X11_extensions_Xrender_h" = "yes"
        then
              AC_CHECK_LIB(Xrender, XRenderSetPictureTransform,
                [AC_DEFINE(HAVE_XRENDERSETPICTURETRANSFORM, 1,
                 [Define if Xrender has the XRenderSetPictureTransform function])],,
                $X_LIBS -lXext -lX11 $X_EXTRA_LIBS)
        fi

        dnl *** Check for Xinerama extension
        if test "$ac_cv_header_X11_extensions_Xinerama_h" = "yes"
        then
                AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xlib.h>
#include <X11/extensions/Xinerama.h>]], [[static typeof(XineramaQueryScreens) * func;]])],
                  [AC_DEFINE(HAVE_LIBXINERAMA, 1, [Define if you have the Xinerama library])],[])
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    dnl Check for the presence of OpenGL
    if test "x$with_opengl" != "xno"
	AC_CHECK_HEADERS(GL/gl.h GL/glx.h GL/glext.h GL/glu.h,,,
[#ifdef HAVE_GL_GLX_H
# include <GL/glx.h>
#endif])
	if test "$ac_cv_header_GL_gl_h" = "yes" -a "$ac_cv_header_GL_glx_h" = "yes"
	then
	    dnl Check for some problems due to old Mesa versions
	    AC_CACHE_CHECK([for up-to-date OpenGL version], wine_cv_opengl_header_version_OK,
	      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <GL/gl.h>]], [[GLenum test = GL_UNSIGNED_SHORT_5_6_5;]])],
		[wine_cv_opengl_header_version_OK="yes"],
		[wine_cv_opengl_header_version_OK="no"]))
	    if test "$wine_cv_opengl_header_version_OK" = "yes"
		dnl Check for the presence of the library
		AC_CHECK_LIB(GL,glXCreateContext,
			     [OPENGL_LIBS="-lGL"
                             OPENGLFILES='$(OPENGLFILES)'
                             AC_DEFINE(HAVE_OPENGL, 1, [Define if OpenGL is present on the system])]
			     ,,
			     $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)

	        dnl Check for GLU32 library.
			     [OPENGL_LIBS="$OPENGL_LIBS -lGLU"
			     GLU32FILES='$(GLU32FILES)']
			     $OPENGL_LIBS $X_LIBS $X_PRE_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS
         else
             wine_cv_opengl_headers_found="no"
    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])
                        AC_CHECK_LIB(Xau,XauGetBestAuthByAddr,
                          [NASLIBS="-lXau -laudio -lXt $X_LIBS -lXext -lX11 $X_EXTRA_LIBS"],
                          [NASLIBS="-laudio -lXt $X_LIBS -lXext -lX11 $X_EXTRA_LIBS"],
                          [$X_LIBS])
                       ],,
                       [-lXt $X_LIBS -lXext -lX11 $X_EXTRA_LIBS])])

    CPPFLAGS="$ac_save_CPPFLAGS"
    XFILES='$(XFILES)'
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dnl **** Check for libxml2 ****

AC_SUBST(XML2LIBS,"")
AC_SUBST(XML2INCL,"")
AC_SUBST(XSLTLIBS,"")
AC_SUBST(XSLTINCL,"")
ac_save_CPPFLAGS="$CPPFLAGS"
if test "$PKG_CONFIG" != "false"
then
    ac_xml_libs="`$PKG_CONFIG --libs libxml-2.0 2>/dev/null`"
    ac_xml_cflags="`$PKG_CONFIG --cflags libxml-2.0 2>/dev/null`"
else
    ac_xml_libs="`xml2-config --libs 2>/dev/null`"
    ac_xml_cflags="`xml2-config --cflags  2>/dev/null`"
fi
CPPFLAGS="$CPPFLAGS $ac_xml_cflags"
AC_CHECK_HEADERS(libxml/parser.h,
        [AC_CHECK_LIB(xml2, xmlParseMemory,
            [AC_DEFINE(HAVE_LIBXML2, 1, [Define if you have the libxml2 library])
             XML2LIBS="$ac_xml_libs"
             XML2INCL="$ac_xml_cflags"],,$ac_xml_libs)
         AC_CHECK_LIB(xml2, xmlReadMemory,
            [AC_DEFINE(HAVE_XMLREADMEMORY,1,[Define if libxml2 has the xmlReadMemory function])],,$ac_xml_libs)
         AC_CHECK_LIB(xml2, xmlNewDocPI,
            [AC_DEFINE(HAVE_XMLNEWDOCPI,1,[Define if libxml2 has the xmlNewDocPI function])],,$ac_xml_libs)
    ])
CPPFLAGS="$ac_save_CPPFLAGS"
if test "$PKG_CONFIG" != "false"
then
    ac_xslt_libs="`$PKG_CONFIG --libs libxslt 2>/dev/null`"
    ac_xslt_cflags="`$PKG_CONFIG --cflags libxslt 2>/dev/null`"
else
    ac_xslt_libs="`xslt-config --libs 2>/dev/null`"
    ac_xslt_cflags="`xslt-config --cflags 2>/dev/null`"
fi
CPPFLAGS="$CPPFLAGS $ac_xslt_cflags"
AC_CHECK_HEADERS([libxslt/pattern.h libxslt/transform.h],
        [AC_CHECK_LIB(xslt, xsltCompilePattern,
            [AC_DEFINE(HAVE_LIBXSLT, 1, [Define if you have the libxslt library])
             XSLTLIBS="$ac_xslt_libs"
             XSLTINCL="$ac_xslt_cflags"],,$ac_xslt_libs)
        ],,
[#ifdef HAVE_LIBXSLT_PATTERN_H
# include <libxslt/pattern.h>
#endif])
CPPFLAGS="$ac_save_CPPFLAGS"
dnl **** Check for libhal ****
AC_SUBST(HALINCL,"")
if test "$PKG_CONFIG" != "false"
then
    ac_save_CPPFLAGS="$CPPFLAGS"
    ac_hal_libs="`$PKG_CONFIG --libs hal 2>/dev/null`"
    ac_hal_cflags="`$PKG_CONFIG --cflags hal 2>/dev/null`"
    CPPFLAGS="$CPPFLAGS $ac_hal_cflags"
    AC_CHECK_HEADERS([dbus/dbus.h hal/libhal.h])
    if test "$ac_cv_header_dbus_dbus_h" = "yes" -a "$ac_cv_header_hal_libhal_h" = "yes"
    then
        AC_CHECK_LIB(hal, libhal_ctx_new,
          [AC_CHECK_LIB(dbus-1, dbus_connection_close,
            [AC_DEFINE(HAVE_LIBHAL, 1, [Define if you have the hal library])
             HALINCL="$ac_hal_cflags"],,$ac_hal_libs)])
    CPPFLAGS="$ac_save_CPPFLAGS"
fi

dnl **** Check which curses lib to use ***
if test "$ac_cv_header_ncurses_h" = "yes"
    AC_CHECK_LIB(ncurses,waddch,[CURSESLIBS="-lncurses"])
elif test "$ac_cv_header_curses_h" = "yes"
then
    AC_CHECK_LIB(curses,waddch,[CURSESLIBS="-lcurses"])
ac_save_LIBS="$LIBS"
LIBS="$LIBS $CURSESLIBS"
AC_CHECK_FUNCS(mousemask)
LIBS="$ac_save_LIBS"
dnl **** Check for SANE ****
AC_CHECK_PROG(sane_devel,sane-config,sane-config,no)
AC_SUBST(SANEINCL,"")
if test "$sane_devel" != "no"
then
    SANEINCL="`$sane_devel --cflags`"
    ac_save_CPPFLAGS="$CPPFLAGS"
    CPPFLAGS="$CPPFLAGS $SANEINCL"
    AC_CHECK_HEADER(sane/sane.h,
                    [AC_DEFINE(HAVE_SANE, 1, [Define if we have SANE development environment])],
                    [SANEINCL=""])
    CPPFLAGS="$ac_save_CPPFLAGS"
fi

dnl **** Check for libgphoto2 ****
AC_CHECK_PROG(gphoto2_devel,gphoto2-config,gphoto2-config,no)
AC_CHECK_PROG(gphoto2port_devel,gphoto2-port-config,gphoto2-port-config,no)
AC_SUBST(GPHOTO2LIBS,"")
AC_SUBST(GPHOTO2INCL,"")
if test "$gphoto2_devel" != "no" -a "$gphoto2port_devel" != "no"
then
    GPHOTO2INCL="`$gphoto2_devel --cflags` `$gphoto2port_devel --cflags`"
    GPHOTO2LIBS=""
    for i in `$gphoto2_devel --libs` `$gphoto2port_devel --libs`
    do
      case "$i" in
        -L/usr/lib|-L/usr/lib64) ;;
        -L*|-l*) GPHOTO2LIBS="$GPHOTO2LIBS $i";;
      esac
    done
    ac_save_CPPFLAGS="$CPPFLAGS"
    ac_save_LIBS="$LIBS"
    CPPFLAGS="$CPPFLAGS $GPHOTO2INCL"
    LIBS="$LIBS $GPHOTO2LIBS"
    AC_CHECK_HEADER(gphoto2-camera.h,
                    [AC_CHECK_LIB(gphoto2,gp_camera_new,
                                  [AC_DEFINE(HAVE_GPHOTO2, 1, [Define if we have libgphoto2 development environment])],
                                  [GPHOTO2LIBS=""
                                  GPHOTO2INCL=""])],
                    [GPHOTO2LIBS=""
                    GPHOTO2INCL=""])
    LIBS="$ac_save_LIBS"
    CPPFLAGS="$ac_save_CPPFLAGS"
fi

dnl **** Check for the ICU library ****
if test "$ac_cv_header_unicode_ubidi_h" = "yes"
then
    icu_libs="-lsicuuc -lsicudata -lstdc++ -lgcc_s"
    if test -n "$ICU_LIB_DIR"
    then
        icu_libs="-L$ICU_LIB_DIR $icu_libs"
    fi
    AC_MSG_CHECKING(whether can link with ICU libraries)
    LIBS="$saved_libs $icu_libs"
    AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <unicode/ubidi.h>]],[[ubidi_open()]])],
                [AC_DEFINE(HAVE_ICU,1,[Define to 1 if the ICU libraries are installed])
                 AC_SUBST(ICULIBS,"$icu_libs")
                 AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)],[AC_MSG_RESULT(no)])
dnl **** Check for resolver library ***
AC_SUBST(RESOLVLIBS,"")
if test "$ac_cv_header_resolv_h" = "yes"
then
    AC_CHECK_LIB(resolv, res_query,
        [AC_DEFINE(HAVE_RESOLV, 1, [Define if you have the resolver library and header])
         RESOLVLIBS="-lresolv"])
fi

dnl **** Check for LittleCMS ***
AC_SUBST(LCMSLIBS,"")
if test "$ac_cv_header_lcms_h" = "yes" -o "$ac_cv_header_lcms_lcms_h" = "yes"
then
    AC_CHECK_LIB(lcms, cmsOpenProfileFromFile,
        [AC_DEFINE(HAVE_LCMS, 1, [Define if you have the LittleCMS development environment])
         LCMSLIBS="-llcms"])
fi

dnl **** Check for OpenLDAP ***
AC_SUBST(LDAPLIBS,"")
if test "$ac_cv_header_ldap_h" = "yes" -a "$ac_cv_header_lber_h" = "yes"
then
    AC_CHECK_LIB(ldap_r, ldap_initialize,
        [AC_CHECK_LIB(lber, ber_init,
            [AC_DEFINE(HAVE_LDAP, 1, [Define if you have the OpenLDAP development environment])
             LDAPLIBS="-lldap_r -llber"],,
             [$LIBPTHREAD])],,
             [$LIBPTHREAD])
	ldap_count_references \
	ldap_first_reference \
	ldap_next_reference \
	ldap_parse_reference,
        [$LDAPLIBS $LIBPTHREAD])
dnl **** Check for FreeType 2 ****
AC_SUBST(FREETYPELIBS,"")
AC_SUBST(FREETYPEINCL,"")
AC_CHECK_PROG(ft_devel,freetype-config,freetype-config,no)
if test "$ft_devel" = "no"
    AC_CHECK_PROG(ft_devel2,freetype2-config,freetype2-config,no)
    if test "$ft_devel2" = "freetype2-config"
fi

if test "$ft_devel" = "no"
then
    wine_cv_msg_freetype=yes
else
    FREETYPELIBS=`$ft_devel --libs`
    FREETYPEINCL=`$ft_devel --cflags`
    AC_CHECK_LIB(freetype,FT_Init_FreeType,ft_lib=yes,ft_lib=no,$FREETYPELIBS)
    if test "$ft_lib" = "no"
    then
	wine_cv_msg_freetype=yes
	ac_save_CPPFLAGS="$CPPFLAGS"
	CPPFLAGS="$FREETYPEINCL $CPPFLAGS"
	AC_CHECK_HEADERS(ft2build.h \
                         freetype/freetype.h \
                         freetype/ftglyph.h \
                         freetype/tttables.h \
                         freetype/ftnames.h \
                         freetype/ftsnames.h \
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                         freetype/ftoutln.h \
                         freetype/ftwinfnt.h \
                         freetype/ftmodapi.h \
                         freetype/internal/sfnt.h,,,
                         [#if HAVE_FT2BUILD_H
                          #include <ft2build.h>
                          #endif])
	AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <ft2build.h>
                    #include <freetype/fttrigon.h>]])],[AC_DEFINE(HAVE_FREETYPE_FTTRIGON_H, 1,
          [Define if you have the <freetype/fttrigon.h> header file.])
                    wine_cv_fttrigon=yes],[wine_cv_fttrigon=no])
        AC_CHECK_TYPES(FT_TrueTypeEngineType,,,[#include <freetype/ftmodapi.h>])
        ac_save_CFLAGS="$CFLAGS"
        CFLAGS="$CFLAGS $FREETYPELIBS"
        AC_CHECK_FUNCS(FT_Load_Sfnt_Table)
        CFLAGS="$ac_save_CFLAGS"
	CPPFLAGS="$ac_save_CPPFLAGS"
	dnl Check that we have at least freetype/freetype.h
	if test "$ac_cv_header_freetype_freetype_h" = "yes" -a "$wine_cv_fttrigon" = "yes"
	then
	    AC_DEFINE(HAVE_FREETYPE, 1, [Define if FreeType 2 is installed])
	    wine_cv_msg_freetype=no
	else
	    FREETYPEINCL=""
	    wine_cv_msg_freetype=yes
	fi
dnl Only build the fonts dir if we have both freetype and fontforge
if test "$FONTFORGE" != "false" -a -n "$FREETYPELIBS"
then
  AC_SUBST(FONTSSUBDIRS,"fonts")
fi

dnl **** Check for parport (currently Linux only) ****
AC_CACHE_CHECK([for parport header/ppdev.h], ac_cv_c_ppdev,
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <linux/ppdev.h>]], [[ioctl (1,PPCLAIM,0)]])],
    [ac_cv_c_ppdev="yes"],[ac_cv_c_ppdev="no"]))
if test "$ac_cv_c_ppdev" = "yes"
then
    AC_DEFINE(HAVE_PPDEV, 1, [Define if we can use ppdev.h for parallel port access])
dnl **** Check for va_copy ****
AC_CACHE_CHECK([for va_copy], ac_cv_c_va_copy,
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdarg.h>]], [[va_list ap1, ap2; va_copy(ap1,ap2);]])],
    [ac_cv_c_va_copy="yes"],[ac_cv_c_va_copy="no"])
 )
if test "$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_LINK_IFELSE([AC_LANG_PROGRAM([[#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 sigsetjmp ****
AC_CACHE_CHECK([for sigsetjmp], ac_cv_c_sigsetjmp,
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]], [[sigjmp_buf buf;
    siglongjmp( buf, 1 );]])],[ac_cv_c_sigsetjmp="yes"],[ac_cv_c_sigsetjmp="no"])
 )
if test "$ac_cv_c_sigsetjmp" = "yes"
then
    AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have the sigsetjmp (and siglongjmp) function])
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 pthread functions ****
        pthread_attr_get_np \
        pthread_getattr_np \
        pthread_get_stackaddr_np \
        pthread_get_stacksize_np,
        [$LIBPTHREAD])
dnl **** Check for EsounD ****
AC_PATH_PROG(ESDCONFIG, esd-config)
if test x$ESDCONFIG != x -a x$ESDCONFIG != x'"$ESDCONFIG"';
then
    ESD_CFLAGS=""
    for i in `$ESDCONFIG --cflags`
    do
      case "$i" in
        -I*) ESD_CFLAGS="$ESD_CFLAGS $i";;
      esac
    done
    ESD_LIBS=`$ESDCONFIG --libs`
    save_CFLAGS="$CFLAGS"
    CFLAGS="$CFLAGS $ESD_CFLAGS"
    AC_CHECK_LIB(esd,esd_open_sound,
        [AC_SUBST(ESDLIBS, $ESD_LIBS)
         AC_SUBST(ESDINCL, $ESD_CFLAGS)
         AC_DEFINE(HAVE_ESD, 1, [Define if you have EsounD sound server])])
    CFLAGS="$save_CFLAGS"
fi

dnl **** Check for ALSA 1.x ****
AC_SUBST(ALSALIBS,"")
if test "$ac_cv_header_sys_asoundlib_h" = "yes" -o "$ac_cv_header_alsa_asoundlib_h" = "yes"
    AC_CHECK_LIB(asound,snd_pcm_hw_params_get_access,
        [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef HAVE_ALSA_ASOUNDLIB_H
#include <alsa/asoundlib.h>
#elif defined(HAVE_SYS_ASOUNDLIB_H)
#include <sys/asoundlib.h>
#endif]], [[int ret = snd_pcm_hw_params_get_access(NULL, NULL)]])],
                        [AC_DEFINE(HAVE_ALSA,1,[Define if you have ALSA 1.x including devel headers])
dnl **** Check for libaudioio (which can be used to get solaris audio support) ****

AC_SUBST(AUDIOIOLIBS,"")
if test "$ac_cv_header_libaudioio_h" = "yes"
then
    AC_CHECK_LIB(audioio,AudioIOGetVersion,
                  [AUDIOIOLIBS="-laudioio"
                   AC_DEFINE(HAVE_LIBAUDIOIO, 1, [Define if you have libaudioIO])])
fi
dnl **** Check for capi4linux ****

if test "$ac_cv_header_capi20_h" = "yes" -a "$ac_cv_header_linux_capi_h" = "yes"
then
    AC_CHECK_LIB(capi20,capi20_register,[AC_DEFINE(HAVE_CAPI4LINUX,1,[Define if you have capi4linux libs and headers])])
fi
dnl **** Check for gcc specific options ****
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if test "x${GCC}" = "xyes"
then
  EXTRACFLAGS="-Wall -pipe"
  AC_CACHE_CHECK( [for gcc strength-reduce bug], ac_cv_c_gcc_strength_bug,
                  AC_RUN_IFELSE([AC_LANG_PROGRAM([[int L[[4]] = {0,1,2,3};]],
[[static int Array[[3]];
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  unsigned int B = 3;
  int i;
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  for(i=0; i<B; i++) Array[[i]] = i - 3;
  for(i=0; i<4 - 1; i++) L[[i]] = L[[i + 1]];
  L[[i]] = 4;
  exit( Array[[1]] != -2 || L[[2]] != 3)]])],
    [ac_cv_c_gcc_strength_bug="no"],[ac_cv_c_gcc_strength_bug="yes"],[ac_cv_c_gcc_strength_bug="yes"]) )
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  if test "$ac_cv_c_gcc_strength_bug" = "yes"
  then
    EXTRACFLAGS="$EXTRACFLAGS -fno-strength-reduce"
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  fi
  dnl Check for some compiler flags
  WINE_TRY_CFLAGS([-fshort-wchar],
                  [AC_DEFINE(CC_FLAG_SHORT_WCHAR, "-fshort-wchar",
                             [Specifies the compiler flag that forces a short wchar_t])])