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[thirdparty/gcc.git] / contrib / gcc_update
CommitLineData
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1#! /bin/sh
2#
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3# Update a local Subversion, Git or Mercurial tree from the GCC
4# repository, with an emphasis on treating generated files correctly, so
5# that autoconf, gperf et al are not required for the ``end'' user.
f717c7e4 6#
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7# (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010,
8# 2011 Free Software Foundation
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9# Originally by Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>, August 1998.
10#
11# This script is Free Software, and it can be copied, distributed and
12# modified as defined in the GNU General Public License. A copy of
13# its license can be downloaded from http://www.gnu.org/copyleft/gpl.html
14#
15#
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16# By default all command-line options are passed to `svn update` or `hg/git
17# pull` in addition to $UPDATE_OPTIONS (defined below). If the first parameter
9b14b81c 18# reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself
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19# are omitted.
20#
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21# If the first parameter reads --patch, the second parameter is considered
22# a patch file.
12acf3a9 23#
1b9f940b 24# If the first parameter is --touch, no svn operation will be performed,
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25# only generated files that appear to be out of date in the local tree
26# will be touched.
27#
28# If the first parameter is --list, a list of the generated files and
29# their dependencies will be printed; --help prints this message.
30#
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31# If the first parameter is --silent, this script prints nothing other
32# than error messages; the second parameter is then interpreted as above.
33#
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34# Examples:
35#
1b9f940b 36# contrib/gcc_update -r 8712
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37# contrib/gcc_update --patch some-patch
38# contrib/gcc_update --touch
39# contrib/gcc_update --list
23a05d03 40
f717c7e4 41
97075d3b 42# Default options used when updating (none).
1b9f940b 43UPDATE_OPTIONS=""
6cf735a7 44
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45# Set the locale to C to make this script work for users with foreign
46# locale like e.g. French UTF-8.
47LANG=C
48LC_ALL=C
49export LANG LC_ALL
50
6cf735a7 51######## Anything below shouldn't be changed by regular users.
f717c7e4 52
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53# Arrange for the value of $0 to be available for functions
54self=$0
f717c7e4 55
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56# This function prints its arguments to standard output unless
57# "silent" is set.
7e3c8f17 58unset silent
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59chat () {
60 if [ -z "$silent" ]; then
61 echo "$@"
62 fi
63}
64
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65# This function prints a list of all generated files, along with their
66# dependencies. Note that only one target is supported per line: the
67# colon is stripped from the output.
68files_and_dependencies () {
69 sed -e 's/ *#.*//' -e '/^$/d' -e 's/://' <<\EOF
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70# fixincludes
71fixincludes/configure: fixincludes/configure.ac fixincludes/aclocal.m4
72fixincludes/config.h.in: fixincludes/configure.ac fixincludes/aclocal.m4
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73# intl library
74intl/plural.c: intl/plural.y
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75intl/configure: intl/configure.ac intl/aclocal.m4
76intl/config.h.in: intl/configure.ac intl/aclocal.m4
94b82f2b 77# Now, proceed to gcc automatically generated files
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78gcc/configure: gcc/configure.ac
79gcc/cstamp-h.in: gcc/configure.ac
1a618a5a 80gcc/config.in: gcc/cstamp-h.in
94b82f2b 81gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def
1e45521f 82gcc/config/arm/arm-tune.md: gcc/config/arm/arm-cores.def gcc/config/arm/gentune.sh
12d844c8 83gcc/config/arm/arm-tables.opt: gcc/config/arm/arm-arches.def gcc/config/arm/arm-cores.def gcc/config/arm/arm-fpus.def gcc/config/arm/genopt.sh
1b916ca6 84gcc/config/avr/avr-tables.opt: gcc/config/avr/avr-mcus.def gcc/config/avr/genopt.sh
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85gcc/config/avr/t-multilib: gcc/config/avr/avr-mcus.def gcc/config/avr/genmultilib.awk
86gcc/config/avr/multilib.h: gcc/config/avr/avr-mcus.def gcc/config/avr/genmultilib.awk
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87gcc/config/c6x/c6x-tables.opt: gcc/config/c6x/c6x-isas.def gcc/config/c6x/genopt.sh
88gcc/config/c6x/c6x-sched.md: gcc/config/c6x/c6x-sched.md.in gcc/config/c6x/gensched.sh
89gcc/config/c6x/c6x-mult.md: gcc/config/c6x/c6x-mult.md.in gcc/config/c6x/genmult.sh
47c94d21 90gcc/config/m68k/m68k-tables.opt: gcc/config/m68k/m68k-devices.def gcc/config/m68k/m68k-isas.def gcc/config/m68k/m68k-microarchs.def gcc/config/m68k/genopt.sh
d371df6f 91gcc/config/mips/mips-tables.opt: gcc/config/mips/mips-cpus.def gcc/config/mips/genopt.sh
f10d3ac9 92gcc/config/rs6000/rs6000-tables.opt: gcc/config/rs6000/rs6000-cpus.def gcc/config/rs6000/genopt.sh
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93gcc/config/tilegx/mul-tables.c: gcc/config/tilepro/gen-mul-tables.cc
94gcc/config/tilepro/mul-tables.c: gcc/config/tilepro/gen-mul-tables.cc
94b82f2b 95# And then, language-specific files
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96gcc/cp/cfns.h: gcc/cp/cfns.gperf
97gcc/java/keyword.h: gcc/java/keyword.gperf
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98# testsuite
99# Without this, _Pragma3.c can have a false negative.
100gcc/testsuite/gcc.dg/cpp/_Pragma3.c: gcc/testsuite/gcc.dg/cpp/mi1c.h
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101# Similarly, without this, you will see:
102# direct2s.c:35: warning: current file is older than direct2.c
103gcc/testsuite/gcc.dg/cpp/direct2s.c: gcc/testsuite/gcc.dg/cpp/direct2.c
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104# lto-plugin
105lto-plugin/configure: lto-plugin/configure.ac lto-plugin/aclocal.m4
106lto-plugin/Makefile.in: lto-plugin/Makefile.am lto-plugin/aclocal.m4
94b82f2b 107# And libraries, at last
9e953fed 108libbanshee/configure: libbanshee/configure.ac
5a4f1818 109libmudflap/configure: libmudflap/configure.ac
3adc31d1 110libobjc/configure: libobjc/configure.ac
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111zlib/aclocal.m4: zlib/configure.ac zlib/acinclude.m4
112zlib/Makefile.in: zlib/Makefile.am zlib/configure.ac zlib/aclocal.m4
113zlib/configure: zlib/configure.ac zlib/aclocal.m4
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114fastjar/aclocal.m4: fastjar/configure.ac
115fastjar/Makefile.in: fastjar/Makefile.am fastjar/configure.ac fastjar/aclocal.m4
116fastjar/configure: fastjar/configure.ac fastjar/aclocal.m4
9a399055 117boehm-gc/aclocal.m4: boehm-gc/configure.ac
cc605afe 118boehm-gc/Makefile.in: boehm-gc/Makefile.am boehm-gc/configure.ac boehm-gc/aclocal.m4
bf9a420e 119boehm-gc/configure: boehm-gc/configure.ac boehm-gc/aclocal.m4
4f5b645a 120libada/configure: libada/configure.ac
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121libffi/aclocal.m4: libffi/configure.ac libffi/acinclude.m4
122libffi/Makefile.in: libffi/Makefile.am libffi/configure.ac libffi/aclocal.m4
123libffi/configure: libffi/configure.ac libffi/aclocal.m4
124libffi/fficonfig.h.in: libffi/configure.ac libffi/aclocal.m4
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125libgfortran/aclocal.m4: libgfortran/configure.ac libgfortran/acinclude.m4
126libgfortran/Makefile.in: libgfortran/Makefile.am libgfortran/configure.ac libgfortran/aclocal.m4
127libgfortran/configure: libgfortran/configure.ac libgfortran/aclocal.m4
5464337b 128libjava/aclocal.m4: libjava/configure.ac
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129libjava/Makefile.in: libjava/Makefile.am libjava/configure.ac libjava/aclocal.m4
130libjava/configure: libjava/configure.ac libjava/aclocal.m4
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131libjava/libltdl/aclocal.m4: libjava/libltdl/configure.ac libjava/libltdl/acinclude.m4
132libjava/libltdl/Makefile.in: libjava/libltdl/Makefile.am libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
133libjava/libltdl/configure: libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
d9b000b1 134libjava/libltdl/config-h.in: libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
d5ad6feb 135libcpp/aclocal.m4: libcpp/configure.ac
5b292a4b 136libcpp/Makefile.in: libcpp/configure.ac libcpp/aclocal.m4
d5ad6feb 137libcpp/configure: libcpp/configure.ac libcpp/aclocal.m4
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138libgomp/aclocal.m4: libgomp/configure.ac libgomp/acinclude.m4
139libgomp/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4
46852b9b 140libgomp/testsuite/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4
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141libgomp/configure: libgomp/configure.ac libgomp/aclocal.m4
142libgomp/config.h.in: libgomp/configure.ac libgomp/aclocal.m4
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143libitm/aclocal.m4: libitm/configure.ac libitm/acinclude.m4
144libitm/Makefile.in: libitm/Makefile.am libitm/aclocal.m4
145libitm/testsuite/Makefile.in: libitm/testsuite/Makefile.am libitm/aclocal.m4
146libitm/configure: libitm/configure.ac libitm/aclocal.m4
147libitm/config.h.in: libitm/configure.ac libitm/aclocal.m4
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148# Top level
149Makefile.in: Makefile.tpl Makefile.def
61930fe5 150configure: configure.ac config/acx.m4
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151EOF
152}
153
154
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155# This function touches generated files such that the ``end'' user does
156# not have to rebuild them.
94b82f2b 157touch_files () {
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158 rm -f Makefile.$$
159 echo 'all: \' > Makefile.$$
160 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$
161 echo '; @true' >> Makefile.$$
162 files_and_dependencies | sed 's, ,: ,' >> Makefile.$$
163 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$
164 echo ':' >> Makefile.$$
29a948c8 165 echo ' @for f in $? $@; do test -f $$f || exit 0; done; \' >> Makefile.$$
e8b073c1 166 echo ' echo Touching $@...; \' >> Makefile.$$
2d072788 167 chat ' echo Touching $@... 1>&2; \' >> Makefile.$$
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168 echo ' touch $@' >> Makefile.$$
169 files_and_dependencies | sed 's,[^ ]* ,,;s,$, :,' >> Makefile.$$
18ccc7e0 170
9eaf7da0 171 # We would have to explicitly shut off the "Entering... Leaving..."
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172 # messages through "--no-print-directory" to handle the case when
173 # we were called from a recursive invocation (i.e. "$(MAKE)" in a
174 # Makefile, not just make). Passing only "-s" doesn't help then,
175 # because make has helpfully added "-w" to MAKEFLAGS automatically.
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176 # Unfortunately we do not require GNU make other than for building
177 # and testing, so let's just grep known text explicitly echoed by
178 # the rule.
179 while ${MAKE-make} -s -f Makefile.$$ all | grep Touching > /dev/null; do
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180 sleep 1
181 done 2>&1
182 rm -f Makefile.$$
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183}
184
e8b073c1 185
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186# Whenever we update the tree or install a patch, we may be modifying
187# this script. By re-execing it, we ensure that the appropriate
188# dependencies and rules will be used.
189touch_files_reexec () {
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190 chat "Adjusting file timestamps"
191 exec ${CONFIG_SHELL-/bin/sh} $self ${silent+"--silent"} --touch
12acf3a9 192}
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193
194# This functions applies a patch to an existing tree.
94b82f2b 195apply_patch () {
d028e149 196 if [ -f "$1" ]; then
9d59f307 197 echo "Applying patch file $1"
d028e149 198 case $1 in
9d59f307 199 *gz)
d028e149 200 gzip -d -c "$1" | patch -p1 ;;
5c96cc3b 201 *bz2)
d028e149 202 bzip2 -d -c "$1" | patch -p1 ;;
9d59f307 203 *)
d028e149 204 patch -p1 < "$1";;
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205 esac
206 fi
25a9b3e5 207 touch_files_reexec
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208}
209
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210# Check whether this indeed looks like a local tree.
211if [ ! -f gcc/version.c ]; then
b9550bfb 212 echo "This does not seem to be a GCC tree!"
9d59f307 213 exit
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214fi
215
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216case "$1" in
217--silent)
218 silent=t
219 shift
220 ;;
221esac
222
94b82f2b 223case "$1" in
9d59f307 224# First of all, check whether we are going to process a patch.
12acf3a9 225--patch)
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226 if test "$#" != 2; then
227 echo "$1" expects only one argument >&2
228 exit 1
229 fi
230 apply_patch "${2}"
231 exit $?
232 ;;
233
234--touch)
235 if test "$#" != 1; then
236 echo "$1" does not expect any argument >&2
237 exit 1
238 fi
239 touch_files
240 exit $?
241 ;;
242
243--list)
244 if test "$#" != 1; then
245 echo "$1" does not expect any argument >&2
246 exit 1
247 fi
248 files_and_dependencies | sed 's/ /: /'
249 exit $?
250 ;;
251
252--help)
253 sed -e '1,2d' -e '/^UPDATE_OPTIONS=/{i\
254\
255
256p
257}' \
258 -e '/^$/,$d' -e 's/#//' -e 's/^ //' < $0
259 exit $?
260 ;;
261
262esac
9d59f307 263
97075d3b 264# Check for known version control systems.
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265if [ -d .git ]; then
266 GCC_GIT=${GCC_GIT-${GIT-git}}
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267 vcs_type="git"
268elif [ -d .hg ]; then
269 GCC_HG=${GCC_HG-${HG-hg}}
270 vcs_type="hg"
271elif [ -d .svn ]; then
272 GCC_SVN=${GCC_SVN-${SVN-svn}}
273 vcs_type="svn"
274else
275 echo "This does not seem to be a GCC GIT/HG/SVN tree!"
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276 exit
277fi
9b14b81c 278
9d59f307 279# Check command-line options
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280if [ x"${1}"x = x"--nostdflags"x ]; then
281 shift
282else
283 set -- $UPDATE_OPTIONS ${1+"$@"}
284fi
285
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286case $vcs_type in
287 git)
288 chat "Updating GIT tree"
2d072788 289
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290 $GCC_GIT diff --quiet --exit-code HEAD
291 if [ $? -ne 0 ]; then
292 echo "Attempting to update a dirty git tree!" >&2
293 echo "Commit or stash your changes first and retry." >&2
294 exit 1
295 fi
f717c7e4 296
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297 $GCC_GIT pull ${silent+-q} --rebase ${1+"$@"}
298 if [ $? -ne 0 ]; then
299 (touch_files_reexec)
300 echo "git pull of full tree failed." >&2
301 exit 1
302 fi
36dcf055 303
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304 revision=`$GCC_GIT log -n1 --pretty=%p:%t:%H`
305 branch=`$GCC_GIT name-rev --name-only HEAD || :`
306 ;;
307
308 hg)
309 chat "Updating HG tree"
310
311 # Add -q so untracked files aren't listed.
312 if [ `$GCC_HG status -q | wc -l` -gt 0 ]; then
313 echo "Attempting to update a dirty hg tree!" >&2
314 echo "Commit or revert your changes first and retry." >&2
315 exit 1
316 fi
317
318 # Check for mq extension. mq patches must be popped so tip has
319 # been converted from the SVN tree.
320 if [ -d .hg/patches ] && [ `$GCC_HG qapplied | wc -l` -gt 0 ]; then
321 # FIXME: Perhaps pop queue instead? We could do that since we
322 # know the tree is clean.
323 echo "Attempting to update hg tree with mq patches applied!" >&2
324 echo "Pop your patches first and retry." >&2
325 exit 1
326 fi
327
328 # Update tree, but make sure to only pull the default branch.
329 # Otherwise all branches in the upstream repo are added, even if
330 # only a single one has been cloned.
6832435e 331 $GCC_HG pull ${silent+-q} -r`$GCC_HG branch` ${1+"$@"}
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332 if [ $? -ne 0 ]; then
333 (touch_files_reexec)
334 echo "hg pull of full tree failed." >&2
335 exit 1
336 fi
337
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338 # Update tree. Needs to be done separately from pull so
339 # gcc_update -rREV works.
340 $GCC_HG update ${silent+-q} ${1+"$@"}
341 if [ $? -ne 0 ]; then
342 (touch_files_reexec)
343 echo "hg update of full tree failed." >&2
344 exit 1
345 fi
346
347 # Extract SVN revision corresponding to parents, as stored by
348 # hg convert. Before hg 1.4.3, there's no template keyword
349 # corresponding to the extra: tag, so need to use hg log --debug
350 # to extract the info.
351 parents=`$GCC_HG parents --template '{rev}'`
39b75e51 352 convert_revision=`$GCC_HG log --debug -r$parents | \
97075d3b 353 sed -ne "/^extra:.*convert_revision=svn:/ {
39b75e51 354 s%^[^/]*/%%
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355 p
356 }"`
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357 revision=`echo $convert_revision | sed -e 's/.*@//'`
358 branch=`echo $convert_revision | sed -e 's%branches/%%' -e 's/@.*//'`
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359 ;;
360
361 svn)
362 chat "Updating SVN tree"
363
364 $GCC_SVN ${silent+-q} --non-interactive update ${1+"$@"}
365 if [ $? -ne 0 ]; then
366 (touch_files_reexec)
367 echo "SVN update of full tree failed." >&2
368 exit 1
369 fi
370
371 revision=`svn info | awk '/Revision:/ { print $2 }'`
372 branch=`svn info | sed -ne "/URL:/ {
373 s,.*/trunk,trunk,
374 s,.*/branches/,,
375 s,.*/tags/,,
376 p
377 }"`
378 ;;
379esac
380
381rm -f LAST_UPDATED gcc/REVISION
2a08c780 382{
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383 date
384 echo "`TZ=UTC date` (revision $revision)"
2a08c780 385} > LAST_UPDATED
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386echo "[$branch revision $revision]" > gcc/REVISION
387
25a9b3e5 388touch_files_reexec