--- /dev/null
+++ b/xorg.m4
@@ -0,0 +1,537 @@
+dnl xorg-macros.m4.  Generated from xorg-macros.m4.in xorgversion.m4 by configure.
+dnl
+dnl Copyright 2005-2006 Sun Microsystems, Inc.  All rights reserved.
+dnl 
+dnl Permission is hereby granted, free of charge, to any person obtaining a
+dnl copy of this software and associated documentation files (the
+dnl "Software"), to deal in the Software without restriction, including
+dnl without limitation the rights to use, copy, modify, merge, publish,
+dnl distribute, and/or sell copies of the Software, and to permit persons
+dnl to whom the Software is furnished to do so, provided that the above
+dnl copyright notice(s) and this permission notice appear in all copies of
+dnl the Software and that both the above copyright notice(s) and this
+dnl permission notice appear in supporting documentation.
+dnl
+dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+dnl OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+dnl HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
+dnl INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
+dnl FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+dnl NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+dnl WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+dnl
+dnl Except as contained in this notice, the name of a copyright holder
+dnl shall not be used in advertising or otherwise to promote the sale, use
+dnl or other dealings in this Software without prior written authorization
+dnl of the copyright holder.
+
+# XORG_MACROS_VERSION(required-version)
+# -------------------------------------
+# Minimum version: 1.1.0
+#
+# If you're using a macro added in Version 1.1 or newer, include this in
+# your configure.ac with the minimum required version, such as:
+# XORG_MACROS_VERSION(1.1)
+#
+# To ensure that this macro is defined, also add:
+# m4_ifndef([XORG_MACROS_VERSION],
+#     [m4_fatal([must install xorg-macros 1.1 or later before running autoconf/autogen])])
+#
+#
+# See the "minimum version" comment for each macro you use to see what 
+# version you require.
+m4_defun([XORG_MACROS_VERSION],[
+m4_define([vers_have], [1.2.2])
+m4_define([maj_have], m4_substr(vers_have, 0, m4_index(vers_have, [.])))
+m4_define([maj_needed], m4_substr([$1], 0, m4_index([$1], [.])))
+m4_if(m4_cmp(maj_have, maj_needed), 0,,
+    [m4_fatal([xorg-macros major version ]maj_needed[ is required but ]vers_have[ found])])
+m4_if(m4_version_compare(vers_have, [$1]), -1,
+    [m4_fatal([xorg-macros version $1 or higher is required but ]vers_have[ found])])
+m4_undefine([vers_have])
+m4_undefine([maj_have])
+m4_undefine([maj_needed])
+]) # XORG_MACROS_VERSION
+
+# XORG_PROG_RAWCPP()
+# ------------------
+# Minimum version: 1.0.0
+#
+# Find cpp program and necessary flags for use in pre-processing text files
+# such as man pages and config files
+AC_DEFUN([XORG_PROG_RAWCPP],[
+AC_REQUIRE([AC_PROG_CPP])
+AC_PATH_PROGS(RAWCPP, [cpp], [${CPP}], 
+   [$PATH:/bin:/usr/bin:/usr/lib:/usr/libexec:/usr/ccs/lib:/usr/ccs/lbin:/lib])
+
+# Check for flag to avoid builtin definitions - assumes unix is predefined,
+# which is not the best choice for supporting other OS'es, but covers most
+# of the ones we need for now.
+AC_MSG_CHECKING([if $RAWCPP requires -undef])
+AC_LANG_CONFTEST([Does cpp redefine unix ?])
+if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then
+	AC_MSG_RESULT([no])
+else
+	if test `${RAWCPP} -undef < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then
+		RAWCPPFLAGS=-undef
+		AC_MSG_RESULT([yes])
+	# under Cygwin unix is still defined even with -undef
+	elif test `${RAWCPP} -undef -ansi < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then
+		RAWCPPFLAGS="-undef -ansi"
+		AC_MSG_RESULT([yes, with -ansi])
+	else
+		AC_MSG_ERROR([${RAWCPP} defines unix with or without -undef.  I don't know what to do.])
+	fi
+fi
+rm -f conftest.$ac_ext
+
+AC_MSG_CHECKING([if $RAWCPP requires -traditional])
+AC_LANG_CONFTEST([Does cpp preserve   "whitespace"?])
+if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve   \"'` -eq 1 ; then
+	AC_MSG_RESULT([no])
+else
+	if test `${RAWCPP} -traditional < conftest.$ac_ext | grep -c 'preserve   \"'` -eq 1 ; then
+		RAWCPPFLAGS="${RAWCPPFLAGS} -traditional"
+		AC_MSG_RESULT([yes])
+	else
+		AC_MSG_ERROR([${RAWCPP} does not preserve whitespace with or without -traditional.  I don't know what to do.])
+	fi
+fi
+rm -f conftest.$ac_ext
+AC_SUBST(RAWCPPFLAGS)
+]) # XORG_PROG_RAWCPP
+
+# XORG_MANPAGE_SECTIONS()
+# -----------------------
+# Minimum version: 1.0.0
+#
+# Determine which sections man pages go in for the different man page types
+# on this OS - replaces *ManSuffix settings in old Imake *.cf per-os files.
+# Not sure if there's any better way than just hardcoding by OS name.
+# Override default settings by setting environment variables
+
+AC_DEFUN([XORG_MANPAGE_SECTIONS],[
+AC_REQUIRE([AC_CANONICAL_HOST])
+
+if test x$APP_MAN_SUFFIX = x    ; then
+    APP_MAN_SUFFIX=1
+fi
+if test x$APP_MAN_DIR = x    ; then
+    APP_MAN_DIR='$(mandir)/man$(APP_MAN_SUFFIX)'
+fi
+
+if test x$LIB_MAN_SUFFIX = x    ; then
+    LIB_MAN_SUFFIX=3
+fi
+if test x$LIB_MAN_DIR = x    ; then
+    LIB_MAN_DIR='$(mandir)/man$(LIB_MAN_SUFFIX)'
+fi
+
+if test x$FILE_MAN_SUFFIX = x    ; then
+    case $host_os in
+	solaris*)	FILE_MAN_SUFFIX=4  ;;
+	*)		FILE_MAN_SUFFIX=5  ;;
+    esac
+fi
+if test x$FILE_MAN_DIR = x    ; then
+    FILE_MAN_DIR='$(mandir)/man$(FILE_MAN_SUFFIX)'
+fi
+
+if test x$MISC_MAN_SUFFIX = x    ; then
+    case $host_os in
+	solaris*)	MISC_MAN_SUFFIX=5  ;;
+	*)		MISC_MAN_SUFFIX=7  ;;
+    esac
+fi
+if test x$MISC_MAN_DIR = x    ; then
+    MISC_MAN_DIR='$(mandir)/man$(MISC_MAN_SUFFIX)'
+fi
+
+if test x$DRIVER_MAN_SUFFIX = x    ; then
+    case $host_os in
+	solaris*)	DRIVER_MAN_SUFFIX=7  ;;
+	*)		DRIVER_MAN_SUFFIX=4  ;;
+    esac
+fi
+if test x$DRIVER_MAN_DIR = x    ; then
+    DRIVER_MAN_DIR='$(mandir)/man$(DRIVER_MAN_SUFFIX)'
+fi
+
+if test x$ADMIN_MAN_SUFFIX = x    ; then
+    case $host_os in
+	solaris*)	ADMIN_MAN_SUFFIX=1m ;;
+	*)		ADMIN_MAN_SUFFIX=8  ;;
+    esac
+fi
+if test x$ADMIN_MAN_DIR = x    ; then
+    ADMIN_MAN_DIR='$(mandir)/man$(ADMIN_MAN_SUFFIX)'
+fi
+
+
+AC_SUBST([APP_MAN_SUFFIX])
+AC_SUBST([LIB_MAN_SUFFIX])
+AC_SUBST([FILE_MAN_SUFFIX])
+AC_SUBST([MISC_MAN_SUFFIX])
+AC_SUBST([DRIVER_MAN_SUFFIX])
+AC_SUBST([ADMIN_MAN_SUFFIX])
+AC_SUBST([APP_MAN_DIR])
+AC_SUBST([LIB_MAN_DIR])
+AC_SUBST([FILE_MAN_DIR])
+AC_SUBST([MISC_MAN_DIR])
+AC_SUBST([DRIVER_MAN_DIR])
+AC_SUBST([ADMIN_MAN_DIR])
+]) # XORG_MANPAGE_SECTIONS
+
+# XORG_CHECK_LINUXDOC
+# -------------------
+# Minimum version: 1.0.0
+#
+# Defines the variable MAKE_TEXT if the necessary tools and
+# files are found. $(MAKE_TEXT) blah.sgml will then produce blah.txt.
+# Whether or not the necessary tools and files are found can be checked
+# with the AM_CONDITIONAL "BUILD_LINUXDOC"
+AC_DEFUN([XORG_CHECK_LINUXDOC],[
+if test x$XORG_SGML_PATH = x ; then
+    XORG_SGML_PATH=$prefix/share/sgml
+fi
+HAVE_DEFS_ENT=
+
+if test x"$cross_compiling" = x"yes" ; then
+  HAVE_DEFS_ENT=no
+else
+  AC_CHECK_FILE([$XORG_SGML_PATH/X11/defs.ent], [HAVE_DEFS_ENT=yes])
+fi
+
+AC_PATH_PROG(LINUXDOC, linuxdoc)
+AC_PATH_PROG(PS2PDF, ps2pdf)
+
+AC_MSG_CHECKING([Whether to build documentation])
+
+if test x$HAVE_DEFS_ENT != x && test x$LINUXDOC != x ; then
+   BUILDDOC=yes
+else
+   BUILDDOC=no
+fi
+
+AM_CONDITIONAL(BUILD_LINUXDOC, [test x$BUILDDOC = xyes])
+
+AC_MSG_RESULT([$BUILDDOC])
+
+AC_MSG_CHECKING([Whether to build pdf documentation])
+
+if test x$PS2PDF != x && test x$BUILD_PDFDOC != xno; then
+   BUILDPDFDOC=yes
+else
+   BUILDPDFDOC=no
+fi
+
+AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes])
+
+AC_MSG_RESULT([$BUILDPDFDOC])
+
+MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH GROFF_NO_SGR=y $LINUXDOC -B txt"
+MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC -B latex --papersize=letter --output=ps"
+MAKE_PDF="$PS2PDF"
+MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $LINUXDOC  -B html --split=0"
+
+AC_SUBST(MAKE_TEXT)
+AC_SUBST(MAKE_PS)
+AC_SUBST(MAKE_PDF)
+AC_SUBST(MAKE_HTML)
+]) # XORG_CHECK_LINUXDOC
+
+# XORG_CHECK_DOCBOOK
+# -------------------
+# Minimum version: 1.0.0
+#
+# Checks for the ability to build output formats from SGML DocBook source.
+# For XXX in {TXT, PDF, PS, HTML}, the AM_CONDITIONAL "BUILD_XXXDOC"
+# indicates whether the necessary tools and files are found and, if set,
+# $(MAKE_XXX) blah.sgml will produce blah.xxx.
+AC_DEFUN([XORG_CHECK_DOCBOOK],[
+if test x$XORG_SGML_PATH = x ; then
+    XORG_SGML_PATH=$prefix/share/sgml
+fi
+HAVE_DEFS_ENT=
+BUILDTXTDOC=no
+BUILDPDFDOC=no
+BUILDPSDOC=no
+BUILDHTMLDOC=no
+
+AC_CHECK_FILE([$XORG_SGML_PATH/X11/defs.ent], [HAVE_DEFS_ENT=yes])
+
+AC_PATH_PROG(DOCBOOKPS, docbook2ps)
+AC_PATH_PROG(DOCBOOKPDF, docbook2pdf)
+AC_PATH_PROG(DOCBOOKHTML, docbook2html)
+AC_PATH_PROG(DOCBOOKTXT, docbook2txt)
+
+AC_MSG_CHECKING([Whether to build text documentation])
+if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKTXT != x &&
+   test x$BUILD_TXTDOC != xno; then
+	BUILDTXTDOC=yes
+fi
+AM_CONDITIONAL(BUILD_TXTDOC, [test x$BUILDTXTDOC = xyes])
+AC_MSG_RESULT([$BUILDTXTDOC])
+
+AC_MSG_CHECKING([Whether to build PDF documentation])
+if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKPDF != x &&
+   test x$BUILD_PDFDOC != xno; then
+	BUILDPDFDOC=yes
+fi
+AM_CONDITIONAL(BUILD_PDFDOC, [test x$BUILDPDFDOC = xyes])
+AC_MSG_RESULT([$BUILDPDFDOC])
+
+AC_MSG_CHECKING([Whether to build PostScript documentation])
+if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKPS != x &&
+   test x$BUILD_PSDOC != xno; then
+	BUILDPSDOC=yes
+fi
+AM_CONDITIONAL(BUILD_PSDOC, [test x$BUILDPSDOC = xyes])
+AC_MSG_RESULT([$BUILDPSDOC])
+
+AC_MSG_CHECKING([Whether to build HTML documentation])
+if test x$HAVE_DEFS_ENT != x && test x$DOCBOOKHTML != x &&
+   test x$BUILD_HTMLDOC != xno; then
+	BUILDHTMLDOC=yes
+fi
+AM_CONDITIONAL(BUILD_HTMLDOC, [test x$BUILDHTMLDOC = xyes])
+AC_MSG_RESULT([$BUILDHTMLDOC])
+
+MAKE_TEXT="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKTXT"
+MAKE_PS="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPS"
+MAKE_PDF="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKPDF"
+MAKE_HTML="SGML_SEARCH_PATH=$XORG_SGML_PATH $DOCBOOKHTML"
+
+AC_SUBST(MAKE_TEXT)
+AC_SUBST(MAKE_PS)
+AC_SUBST(MAKE_PDF)
+AC_SUBST(MAKE_HTML)
+]) # XORG_CHECK_DOCBOOK
+
+# XORG_CHECK_MALLOC_ZERO
+# ----------------------
+# Minimum version: 1.0.0
+#
+# Defines {MALLOC,XMALLOC,XTMALLOC}_ZERO_CFLAGS appropriately if
+# malloc(0) returns NULL.  Packages should add one of these cflags to
+# their AM_CFLAGS (or other appropriate *_CFLAGS) to use them.
+AC_DEFUN([XORG_CHECK_MALLOC_ZERO],[
+AC_ARG_ENABLE(malloc0returnsnull,
+	AC_HELP_STRING([--enable-malloc0returnsnull],
+		       [malloc(0) returns NULL (default: auto)]),
+	[MALLOC_ZERO_RETURNS_NULL=$enableval],
+	[MALLOC_ZERO_RETURNS_NULL=auto])
+
+AC_MSG_CHECKING([whether malloc(0) returns NULL])
+if test "x$MALLOC_ZERO_RETURNS_NULL" = xauto; then
+	AC_RUN_IFELSE([
+char *malloc();
+char *realloc();
+char *calloc();
+main() {
+    char *m0, *r0, *c0, *p;
+    m0 = malloc(0);
+    p = malloc(10);
+    r0 = realloc(p,0);
+    c0 = calloc(0);
+    exit(m0 == 0 || r0 == 0 || c0 == 0 ? 0 : 1);
+}],
+		[MALLOC_ZERO_RETURNS_NULL=yes],
+		[MALLOC_ZERO_RETURNS_NULL=no])
+fi
+AC_MSG_RESULT([$MALLOC_ZERO_RETURNS_NULL])
+
+if test "x$MALLOC_ZERO_RETURNS_NULL" = xyes; then
+	MALLOC_ZERO_CFLAGS="-DMALLOC_0_RETURNS_NULL"
+	XMALLOC_ZERO_CFLAGS=$MALLOC_ZERO_CFLAGS
+	XTMALLOC_ZERO_CFLAGS="$MALLOC_ZERO_CFLAGS -DXTMALLOC_BC"
+else
+	MALLOC_ZERO_CFLAGS=""
+	XMALLOC_ZERO_CFLAGS=""
+	XTMALLOC_ZERO_CFLAGS=""
+fi
+
+AC_SUBST([MALLOC_ZERO_CFLAGS])
+AC_SUBST([XMALLOC_ZERO_CFLAGS])
+AC_SUBST([XTMALLOC_ZERO_CFLAGS])
+]) # XORG_CHECK_MALLOC_ZERO
+
+# XORG_WITH_LINT()
+# ----------------
+# Minimum version: 1.1.0
+#
+# Sets up flags for source checkers such as lint and sparse if --with-lint
+# is specified.   (Use --with-lint=sparse for sparse.)
+# Sets $LINT to name of source checker passed with --with-lint (default: lint)
+# Sets $LINT_FLAGS to flags to pass to source checker
+# Sets LINT automake conditional if enabled (default: disabled)
+#
+AC_DEFUN([XORG_WITH_LINT],[
+
+# Allow checking code with lint, sparse, etc.
+AC_ARG_WITH(lint, [AC_HELP_STRING([--with-lint],
+		[Use a lint-style source code checker (default: disabled)])],
+		[use_lint=$withval], [use_lint=no])
+if test "x$use_lint" = "xyes" ; then
+	LINT="lint"
+else
+	LINT="$use_lint"
+fi
+if test "x$LINT_FLAGS" = "x" -a "x$LINT" != "xno" ; then
+    case $LINT in
+	lint|*/lint)
+	    case $host_os in
+		solaris*)
+			LINT_FLAGS="-u -b -h -erroff=E_INDISTING_FROM_TRUNC2"
+			;;
+	    esac
+	    ;;
+    esac
+fi
+
+AC_SUBST(LINT)
+AC_SUBST(LINT_FLAGS)
+AM_CONDITIONAL(LINT, [test x$LINT != xno])
+
+]) # XORG_WITH_LINT
+
+# XORG_LINT_LIBRARY(LIBNAME)
+# --------------------------
+# Minimum version: 1.1.0
+#
+# Sets up flags for building lint libraries for checking programs that call
+# functions in the library.
+# Disabled by default, enable with --enable-lint-library
+# Sets: 
+#	@LINTLIB@		- name of lint library file to make
+#	MAKE_LINT_LIB		- automake conditional
+#
+
+AC_DEFUN([XORG_LINT_LIBRARY],[
+AC_REQUIRE([XORG_WITH_LINT])
+# Build lint "library" for more indepth checks of programs calling this library
+AC_ARG_ENABLE(lint-library, [AC_HELP_STRING([--enable-lint-library],
+	[Create lint library (default: disabled)])],
+	[make_lint_lib=$enableval], [make_lint_lib=no])
+if test "x$make_lint_lib" != "xno" ; then
+	if test "x$LINT" = "xno" ; then
+		AC_MSG_ERROR([Cannot make lint library without --with-lint])
+	fi
+	if test "x$make_lint_lib" = "xyes" ; then
+		LINTLIB=llib-l$1.ln
+	else
+		LINTLIB=$make_lint_lib
+	fi
+fi
+AC_SUBST(LINTLIB)
+AM_CONDITIONAL(MAKE_LINT_LIB, [test x$make_lint_lib != xno])
+
+]) # XORG_LINT_LIBRARY
+
+# XORG_CWARNFLAGS
+# ---------------
+# Minimum version: 1.2.0
+#
+# Defines CWARNFLAGS to enable C compiler warnings.
+#
+AC_DEFUN([XORG_CWARNFLAGS], [
+AC_REQUIRE([AC_PROG_CC])
+if  test "x$GCC" = xyes ; then
+    CWARNFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes \
+-Wmissing-declarations -Wnested-externs -fno-strict-aliasing \
+-Wbad-function-cast"
+    case `$CC -dumpversion` in
+    3.4.* | 4.*)
+	CWARNFLAGS="$CWARNFLAGS -Wold-style-definition -Wdeclaration-after-statement"
+	;;
+    esac
+else
+    AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
+    if test "x$SUNCC" = "xyes"; then
+	CWARNFLAGS="-v"
+    fi
+fi
+AC_SUBST(CWARNFLAGS)
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+]) # XORG_CWARNFLAGS
+dnl Copyright 2005 Red Hat, Inc
+dnl
+dnl Permission to use, copy, modify, distribute, and sell this software and its
+dnl documentation for any purpose is hereby granted without fee, provided that
+dnl the above copyright notice appear in all copies and that both that
+dnl copyright notice and this permission notice appear in supporting
+dnl documentation.
+dnl
+dnl The above copyright notice and this permission notice shall be included
+dnl in all copies or substantial portions of the Software.
+dnl
+dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+dnl IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+dnl OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+dnl ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+dnl OTHER DEALINGS IN THE SOFTWARE.
+dnl
+dnl Except as contained in this notice, the name of the copyright holders shall
+dnl not be used in advertising or otherwise to promote the sale, use or
+dnl other dealings in this Software without prior written authorization
+dnl from the copyright holders.
+dnl
+
+# XORG_RELEASE_VERSION
+# --------------------
+# Adds --with/without-release-string and changes the PACKAGE and
+# PACKAGE_TARNAME to use "$PACKAGE{_TARNAME}-$RELEASE_VERSION".  If
+# no option is given, PACKAGE and PACKAGE_TARNAME are unchanged.  Also
+# defines PACKAGE_VERSION_{MAJOR,MINOR,PATCHLEVEL} for modules to use.
+ 
+AC_DEFUN([XORG_RELEASE_VERSION],[
+	AC_ARG_WITH(release-version,
+			AC_HELP_STRING([--with-release-version=STRING],
+				[Use release version string in package name]),
+			[RELEASE_VERSION="$withval"],
+			[RELEASE_VERSION=""])
+	if test "x$RELEASE_VERSION" != "x"; then
+		PACKAGE="$PACKAGE-$RELEASE_VERSION"
+		PACKAGE_TARNAME="$PACKAGE_TARNAME-$RELEASE_VERSION"
+		AC_MSG_NOTICE([Building with package name set to $PACKAGE])
+	fi
+	AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MAJOR],
+		[`echo $PACKAGE_VERSION | cut -d . -f 1`],
+		[Major version of this package])
+	PVM=`echo $PACKAGE_VERSION | cut -d . -f 2 | cut -d - -f 1`
+	if test "x$PVM" = "x"; then
+		PVM="0"
+	fi
+	AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MINOR],
+		[$PVM],
+		[Minor version of this package])
+	PVP=`echo $PACKAGE_VERSION | cut -d . -f 3 | cut -d - -f 1`
+	if test "x$PVP" = "x"; then
+		PVP="0"
+	fi
+	AC_DEFINE_UNQUOTED([PACKAGE_VERSION_PATCHLEVEL],
+		[$PVP],
+		[Patch version of this package])
+])
+
+# XORG_CHANGELOG()
+# ----------------
+# Minimum version: 1.2.0
+#
+# Defines the variable CHANGELOG_CMD as the command to generate
+# ChangeLog from git.
+#
+# Arrange that distcleancheck ignores ChangeLog left over by distclean.
+#
+AC_DEFUN([XORG_CHANGELOG], [
+CHANGELOG_CMD="(GIT_DIR=\$(top_srcdir)/.git git log > .changelog.tmp && \
+mv .changelog.tmp ChangeLog) || (rm -f .changelog.tmp; touch ChangeLog; \
+echo 'git directory not found: installing possibly empty changelog.' >&2)"
+AC_SUBST([CHANGELOG_CMD])
+AC_SUBST([distcleancheck_listfiles], ['find . -type f ! -name ChangeLog -print'])
+]) # XORG_CHANGELOG
+