# 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.
#
# Stolen from xorg-macros.m4, which has this license:
# xorg-macros.m4.  Generated from xorg-macros.m4.in xorgversion.m4 by configure.
#
# Copyright 2005-2006 Sun Microsystems, Inc.  All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, and/or sell copies of the Software, and to permit persons
# to whom the Software is furnished to do so, provided that the above
# copyright notice(s) and this permission notice appear in all copies of
# the Software and that both the above copyright notice(s) and this
# permission notice appear in supporting documentation.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
# OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
# INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# Except as contained in this notice, the name of a copyright holder
# shall not be used in advertising or otherwise to promote the sale, use
# or other dealings in this Software without prior written authorization
# of the copyright holder.
#
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