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|
#! /bin/sh
#
# Update a local CVS tree from the egcs repository, with an emphasis
# on treating generated files correctly, so that autoconf, bison et
# al are not required for the ``end'' user.
#
# By default all command-line options are passed to `cvs update` in
# addition to $UPDATE_OPTIONS (defined below). If the first parameter
# reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself
# are omitted.
#
# If the first parameter reads --patch, the second parameter is considered
# a patch file.
#
# Examples:
#
# contrib/egcs_update -r egcs_latest_snapshot
# contrib/egcs_update -A
# contrib/egcs_update --nostdflags -P -r egcs_1_1_branch gcc/testsuite
# contrib/egcs_update --patch some-patch
#
#
# (C) 1998-1999 Free Software Foundation
# Originally by Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>, August 1998.
#
# This script is Free Software, and it can be copied, distributed and
# modified as defined in the GNU General Public License. A copy of
# its license can be downloaded from http://www.gnu.org/copyleft/gpl.html
# Default options used when updating via CVS.
UPDATE_OPTIONS=-P
# Add -d to create any directories that exist in the repository but not
# locally.
# Add -A to reset any sticky tags, dates, or `-k' options.
# This function touches generated files such that the ``end'' user does
# not have to rebuild them.
#
# Please also update the FAQ accordingly if you change the list of
# files below. Note that generated files should be touched only
# after the corresponding *.y files.
touch_files()
{
touch `find . -name configure -print`
touch `find texinfo -name Makefile.in -print`
touch `find texinfo -name \*.pot -print`
touch `find texinfo -name \*.gmo -print`
for f in gcc/c-parse.y \
gcc/c-parse.h \
gcc/c-parse.c \
gcc/cstamp-h.in \
gcc/c-gperf.h \
gcc/cexp.c \
gcc/cp/parse.c \
gcc/cp/parse.h \
gcc/objc/objc-parse.y \
gcc/objc/objc-parse.c \
gcc/java/parse.h \
gcc/java/parse.c \
gcc/java/parse-scan.c \
libf2c/libU77/stamp-h.in \
contrib/fixinc/fixincl.x \
contrib/fixinc/inclhack.sh \
contrib/fixinc/fixincl.sh \
gcc/fixinc/fixincl.x \
gcc/fixinc/inclhack.sh \
gcc/fixinc/fixincl.sh
do
if [ -f $f ]; then
touch $f
fi
done
}
# This functions applies a patch to an existing tree.
apply_patch()
{
if [ -f $1 ]; then
echo "Applying patch file $1"
case "$1" in
*gz)
gzip -d -c $1 | patch -p1 ;;
*)
cat $1 | patch -p1 ;;
esac
fi
echo "Updating file timestamps"
touch_files
}
# This is where the actual processing starts.
echo "Current directory is `pwd`."
# Check whether this indeed looks like a local tree.
if [ ! -f gcc/version.c ]; then
echo "This does not seem to be an egcs tree!"
exit
fi
# First of all, check whether we are going to process a patch.
if [ x"${1}"x = x"--patch"x ]; then
apply_patch ${2}
exit 0
fi
# Check whether this indeed looks like a local CVS tree.
if [ ! -d CVS ]; then
echo "This does not seem to be an egcs CVS tree!"
exit
fi
# Check command-line options
if [ x"${1}"x = x"--nostdflags"x ]; then
shift
else
set -- $UPDATE_OPTIONS ${1+"$@"}
fi
echo "Pass 1: Updating autoconf and bison generated files"
# Do a CVS update on those files that exist in CVS directories. libg++
# makes sense to drop into the tree, but it isn't CVS-controlled.
X=`for i in \`find . -name configure.in -o -name '*.y'\`
do
D=\`dirname $i\`/CVS
if [ -f $i -a -d $D ]; then
echo $i
fi
done`
cvs -q update $X
if [ $? -ne 0 ]; then
echo "CVS update of generated files failed." >&2
exit 1
fi
echo "Pass 2: Updating full tree"
cvs -q update ${1+"$@"}
if [ $? -ne 0 ]; then
echo "CVS update of full tree failed." >&2
exit 1
fi
echo "Pass 3: Fixing local tree"
touch_files
|
