GCC with OpenMP stream-computing extension and BatchQueue algorithm
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#!/bin/sh
#
# Update the current version date in all files in the tree containing
# it. Consider all release branches except those matching the regular
# expression in $IGNORE_BRANCHES, and also consider those branches listed
# in the space separated list in $ADD_BRANCHES.
SVNROOT=${SVNROOT:-"file:///svn/gcc"}
IGNORE_BRANCHES='gcc-(2_95|3_0|3_1|3_2|3_3|3_4|4_0|4_1|4_2)-branch'
ADD_BRANCHES='HEAD'
# Run this from /tmp.
export SVNROOT
/bin/rm -rf /tmp/$$
/bin/mkdir /tmp/$$
cd /tmp/$$
# The path to cvs.
SVN=${SVN:-/usr/bin/svn}
# Compute the branches which we should update.
BRANCHES=`$SVN ls $SVNROOT/branches \
| sed -e 's/\///' \
| egrep 'gcc-[0-9]+_[0-9]+-branch$' \
| egrep -v $IGNORE_BRANCHES`
# Always update the mainline.
BRANCHES="${BRANCHES} ${ADD_BRANCHES}"
# ARGS is passed to 'cvs co'
CURR_DATE=`/bin/date +"%Y%m%d"`
# version is all there is
datestamp_FILES="gcc/DATESTAMP"
FILES="$datestamp_FILES"
# Assume all will go well.
RESULT=0
for BRANCH in $BRANCHES; do
echo "Working on \"$BRANCH\"."
# Check out the files on the branch. HEAD is a special case; if
# you check out files with -r HEAD, CVS will not let you check
# in changes.
if test "$BRANCH" = HEAD; then
for i in $FILES; do
${SVN} -q co -N ${SVNROOT}/trunk/`dirname $i` `basename $i`
done
else
for i in $FILES; do
${SVN} -q co -N ${SVNROOT}/branches/${BRANCH}/`dirname $i` `basename $i`
done
fi
# There are no files to commit yet.
COMMIT_FILES=""
for file in $datestamp_FILES; do
dirname=`basename $file`
file=`basename $file`
file="$dirname/$file"
if test -f $file; then
echo ${CURR_DATE} > $file.new
if /usr/bin/cmp -s $file $file.new; then
rm -f $file.new
else
mv -f $file.new $file
COMMIT_FILES="$COMMIT_FILES $file"
fi
fi
done
if test -n "$COMMIT_FILES"; then
for i in $COMMIT_FILES; do
echo "Attempting to commit $i"
if ! ${SVN} commit -m "Daily bump." $i; then
# If we could not commit the files, indicate failure.
RESULT=1
fi
done
fi
# Remove the files.
for i in $FILES; do
rm -rf /tmp/$$/`basename $i`
done
done
/bin/rm -rf /tmp/$$
exit $RESULT