#! /bin/sh
#
-# Update a local CVS tree from the GCC repository, with an emphasis
-# on treating generated files correctly, so that autoconf, bison et
+# Update a local Subversion tree from the GCC repository, with an emphasis
+# on treating generated files correctly, so that autoconf, gperf et
# al are not required for the ``end'' user.
#
-# By default all command-line options are passed to `cvs update` in
+# (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 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
+#
+#
+# By default all command-line options are passed to `svn update` in
# addition to $UPDATE_OPTIONS (defined below). If the first parameter
# reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself
-# are omitted.
-#
+# are omitted.
+#
# If the first parameter reads --patch, the second parameter is considered
# a patch file.
-#
-# If the first parameter is --touch, no cvs operation will be performed,
+#
+# If the first parameter is --touch, no svn operation will be performed,
# only generated files that appear to be out of date in the local tree
# will be touched.
#
# If the first parameter is --list, a list of the generated files and
# their dependencies will be printed; --help prints this message.
#
+# If the first parameter is --silent, this script prints nothing other
+# than error messages; the second parameter is then interpreted as above.
+#
# Examples:
#
-# contrib/gcc_update -r gcc_latest_snapshot
-# contrib/gcc_update -A
-# contrib/gcc_update --nostdflags -P -r gcc-2_95-branch gcc/testsuite
+# contrib/gcc_update -r 8712
# contrib/gcc_update --patch some-patch
# contrib/gcc_update --touch
# contrib/gcc_update --list
-#
-#
-# (C) 1998-2000 Free Software Foundation
-# Originally by Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>, August 1998.
-#
-# This script is Free Software, and it can be copied, distributed and
-# modified as defined in the GNU General Public License. A copy of
-# its license can be downloaded from http://www.gnu.org/copyleft/gpl.html
-# Default options used when updating via CVS.
-UPDATE_OPTIONS=-P
-# Add -d to create any directories that exist in the repository but not
-# locally.
-# Add -A to reset any sticky tags, dates, or `-k' options.
+# SVN command
+GCC_SVN=${GCC_SVN-${SVN-svn}}
+# Default options used when updating via SVN (none).
+UPDATE_OPTIONS=""
+
+# Set the locale to C to make this script work for users with foreign
+# locale like e.g. French UTF-8.
+LANG=C
+LC_ALL=C
+export LANG LC_ALL
+
+######## Anything below shouldn't be changed by regular users.
# Arrange for the value of $0 to be available for functions
self=$0
+# This function prints its arguments to standard output unless
+# "silent" is set.
+unset silent
+chat () {
+ if [ -z "$silent" ]; then
+ echo "$@"
+ fi
+}
+
# This function prints a list of all generated files, along with their
# dependencies. Note that only one target is supported per line: the
# colon is stripped from the output.
files_and_dependencies () {
sed -e 's/ *#.*//' -e '/^$/d' -e 's/://' <<\EOF
-# All automake dependencies within texinfo
-# In fact, not all, since we do not care about sub-directories that
-# we do not build. In particular, *.po and *.gmo are not touched.
-texinfo/aclocal.m4: texinfo/configure.in texinfo/acinclude.m4
-texinfo/Makefile.in: texinfo/Makefile.am texinfo/configure.in texinfo/aclocal.m4
-texinfo/configure: texinfo/configure.in texinfo/aclocal.m4
-texinfo/stamp-h.in: texinfo/configure.in texinfo/aclocal.m4 texinfo/acconfig.h
-texinfo/lib/Makefile.in: texinfo/lib/Makefile.am texinfo/configure.in texinfo/aclocal.m4
-texinfo/makeinfo/Makefile.in: texinfo/makeinfo/Makefile.am texinfo/configure.in texinfo/aclocal.m4
-texinfo/util/Makefile.in: texinfo/util/Makefile.am texinfo/configure.in texinfo/aclocal.m4
+# fixincludes
+fixincludes/configure: fixincludes/configure.ac fixincludes/aclocal.m4
+fixincludes/config.h.in: fixincludes/configure.ac fixincludes/aclocal.m4
+# intl library
+intl/plural.c: intl/plural.y
+intl/configure: intl/configure.ac intl/aclocal.m4
+intl/config.h.in: intl/configure.ac intl/aclocal.m4
# Now, proceed to gcc automatically generated files
-gcc/configure: gcc/configure.in
-gcc/cstamp-h.in: gcc/configure.in gcc/acconfig.h
+gcc/configure: gcc/configure.ac
+gcc/cstamp-h.in: gcc/configure.ac
gcc/config.in: gcc/cstamp-h.in
-gcc/c-gperf.h: gcc/c-parse.gperf
gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def
-gcc/tradcif.c: gcc/tradcif.y
+gcc/config/arm/arm-tune.md: gcc/config/arm/arm-cores.def gcc/config/arm/gentune.sh
# And then, language-specific files
-gcc/java/parse.h: gcc/java/parse.y
+gcc/cp/cfns.h: gcc/cp/cfns.gperf
+gcc/java/keyword.h: gcc/java/keyword.gperf
+# testsuite
+# Without this, _Pragma3.c can have a false negative.
+gcc/testsuite/gcc.dg/cpp/_Pragma3.c: gcc/testsuite/gcc.dg/cpp/mi1c.h
+# Similarly, without this, you will see:
+# direct2s.c:35: warning: current file is older than direct2.c
+gcc/testsuite/gcc.dg/cpp/direct2s.c: gcc/testsuite/gcc.dg/cpp/direct2.c
+# lto-plugin
+lto-plugin/configure: lto-plugin/configure.ac lto-plugin/aclocal.m4
+lto-plugin/Makefile.in: lto-plugin/Makefile.am lto-plugin/aclocal.m4
# And libraries, at last
-libchill/configure: libchill/configure.in
-libf2c/configure: libf2c/configure.in
-libf2c/libF77/configure: libf2c/libF77/configure.in
-libf2c/libI77/configure: libf2c/libI77/configure.in
-libf2c/libU77/configure: libf2c/libU77/configure.in
-libf2c/libU77/stamp-h.in: libf2c/libU77/configure.in libf2c/libU77/acconfig.h
-libobjc/configure: libobjc/configure.in
+libbanshee/configure: libbanshee/configure.ac
+libmudflap/configure: libmudflap/configure.ac
+libobjc/configure: libobjc/configure.ac
+zlib/aclocal.m4: zlib/configure.ac zlib/acinclude.m4
+zlib/Makefile.in: zlib/Makefile.am zlib/configure.ac zlib/aclocal.m4
+zlib/configure: zlib/configure.ac zlib/aclocal.m4
+fastjar/aclocal.m4: fastjar/configure.ac
+fastjar/Makefile.in: fastjar/Makefile.am fastjar/configure.ac fastjar/aclocal.m4
+fastjar/configure: fastjar/configure.ac fastjar/aclocal.m4
+boehm-gc/aclocal.m4: boehm-gc/configure.ac
+boehm-gc/Makefile.in: boehm-gc/Makefile.am boehm-gc/configure.ac boehm-gc/aclocal.m4
+boehm-gc/configure: boehm-gc/configure.ac boehm-gc/aclocal.m4
+libada/configure: libada/configure.ac
+libffi/aclocal.m4: libffi/configure.ac libffi/acinclude.m4
+libffi/Makefile.in: libffi/Makefile.am libffi/configure.ac libffi/aclocal.m4
+libffi/configure: libffi/configure.ac libffi/aclocal.m4
+libffi/fficonfig.h.in: libffi/configure.ac libffi/aclocal.m4
+libgfortran/aclocal.m4: libgfortran/configure.ac libgfortran/acinclude.m4
+libgfortran/Makefile.in: libgfortran/Makefile.am libgfortran/configure.ac libgfortran/aclocal.m4
+libgfortran/configure: libgfortran/configure.ac libgfortran/aclocal.m4
+libjava/aclocal.m4: libjava/configure.ac
+libjava/Makefile.in: libjava/Makefile.am libjava/configure.ac libjava/aclocal.m4
+libjava/configure: libjava/configure.ac libjava/aclocal.m4
+libjava/libltdl/aclocal.m4: libjava/libltdl/configure.ac libjava/libltdl/acinclude.m4
+libjava/libltdl/Makefile.in: libjava/libltdl/Makefile.am libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
+libjava/libltdl/configure: libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
+libjava/libltdl/config-h.in: libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
+libcpp/aclocal.m4: libcpp/configure.ac
+libcpp/Makefile.in: libcpp/configure.ac libcpp/aclocal.m4
+libcpp/configure: libcpp/configure.ac libcpp/aclocal.m4
+libgomp/aclocal.m4: libgomp/configure.ac libgomp/acinclude.m4
+libgomp/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4
+libgomp/testsuite/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4
+libgomp/configure: libgomp/configure.ac libgomp/aclocal.m4
+libgomp/config.h.in: libgomp/configure.ac libgomp/aclocal.m4
+# Top level
+Makefile.in: Makefile.tpl Makefile.def
+configure: configure.ac config/acx.m4
EOF
}
-# This function checks whether its first argument is newer than all
-# the other arguments. It returns success (0) otherwise.
-is_out_of_date () {
- test `ls -1dt ${1+"$@"} | sed 1q` != "$1"
-}
-
-
# This function touches generated files such that the ``end'' user does
# not have to rebuild them.
touch_files () {
- files_and_dependencies | while read f deps; do
- if test -f $f && is_out_of_date "$f" $deps; then
- echo Touching "$f"...
- touch $f
- if is_out_of_date "$f" $deps; then
- # Hmm, it may have got the same timestamp as one of
- # its touched dependencies. Wait a second and retry
- sleep 1
- touch $f
- fi
- fi
- done
+ rm -f Makefile.$$
+ echo 'all: \' > Makefile.$$
+ files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$
+ echo '; @true' >> Makefile.$$
+ files_and_dependencies | sed 's, ,: ,' >> Makefile.$$
+ files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$
+ echo ':' >> Makefile.$$
+ echo ' @for f in $? $@; do test -f $$f || exit 0; done; \' >> Makefile.$$
+ echo ' echo Touching $@...; \' >> Makefile.$$
+ chat ' echo Touching $@... 1>&2; \' >> Makefile.$$
+ echo ' touch $@' >> Makefile.$$
+ files_and_dependencies | sed 's,[^ ]* ,,;s,$, :,' >> Makefile.$$
+
+ # We would have to explicitly shut off the "Entering... Leaving..."
+ # messages through "--no-print-directory" to handle the case when
+ # we were called from a recursive invocation (i.e. "$(MAKE)" in a
+ # Makefile, not just make). Passing only "-s" doesn't help then,
+ # because make has helpfully added "-w" to MAKEFLAGS automatically.
+ # Unfortunately we do not require GNU make other than for building
+ # and testing, so let's just grep known text explicitly echoed by
+ # the rule.
+ while ${MAKE-make} -s -f Makefile.$$ all | grep Touching > /dev/null; do
+ sleep 1
+ done 2>&1
+ rm -f Makefile.$$
}
+
# Whenever we update the tree or install a patch, we may be modifying
# this script. By re-execing it, we ensure that the appropriate
# dependencies and rules will be used.
touch_files_reexec () {
- echo "Adjusting file timestamps"
- exec ${CONFIG_SHELL-/bin/sh} $self --touch
-}
+ chat "Adjusting file timestamps"
+ exec ${CONFIG_SHELL-/bin/sh} $self ${silent+"--silent"} --touch
+}
# This functions applies a patch to an existing tree.
apply_patch () {
- if [ -f $1 ]; then
+ if [ -f "$1" ]; then
echo "Applying patch file $1"
- case "$1" in
+ case $1 in
*gz)
- gzip -d -c $1 | patch -p1 ;;
+ gzip -d -c "$1" | patch -p1 ;;
*bz2)
- bzip2 -d -c $1 | patch -p1 ;;
+ bzip2 -d -c "$1" | patch -p1 ;;
*)
- cat $1 | patch -p1 ;;
+ patch -p1 < "$1";;
esac
fi
touch_files_reexec
fi
case "$1" in
+--silent)
+ silent=t
+ shift
+ ;;
+esac
+
+case "$1" in
# First of all, check whether we are going to process a patch.
---patch)
+--patch)
if test "$#" != 2; then
echo "$1" expects only one argument >&2
exit 1
esac
-# Check whether this indeed looks like a local CVS tree.
-if [ ! -d CVS ]; then
- echo "This does not seem to be a GCC CVS tree!"
+# Check whether this indeed looks like a local SVN tree.
+if [ ! -d .svn ]; then
+ echo "This does not seem to be a GCC SVN tree!"
exit
fi
set -- $UPDATE_OPTIONS ${1+"$@"}
fi
-echo "Updating CVS tree"
-cvs -q update ${1+"$@"}
-if [ $? -ne 0 ]; then
- echo "CVS update of full tree failed." >&2
+chat "Updating SVN tree"
+
+$GCC_SVN ${silent+-q} --non-interactive update ${1+"$@"}
+if [ $? -ne 0 ]; then
+ (touch_files_reexec)
+ echo "SVN update of full tree failed." >&2
exit 1
fi
+rm -f LAST_UPDATED gcc/REVISION
+
+revision=`svn info | awk '/Revision:/ { print $2 }'`
+branch=`svn info | sed -ne "/URL:/ {
+s,.*/trunk,trunk,
+s,.*/branches/,,
+s,.*/tags/,,
+p
+}"`
+{
+ date
+ echo "`TZ=UTC date` (revision $revision)"
+} > LAST_UPDATED
+
+echo "[$branch revision $revision]" > gcc/REVISION
+
touch_files_reexec
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