1#! /bin/sh 2# 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. 6# 7# (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 8# 2010, 2011, 2012, 2013, 2014, 2015, 2017 Free Software Foundation 9# Originally by Gerald Pfeifer <gerald@pfeifer.com>, 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# 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 18# reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself 19# are omitted. 20# 21# If the first parameter reads --patch, the second parameter is considered 22# a patch file. 23# 24# If the first parameter is --touch, no svn operation will be performed, 25# only generated files that appear to be out of date in the local tree 26# will be touched. 27# 28# If the first parameter is --list, a list of the generated files and 29# their dependencies will be printed;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# 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# 34# Examples: 35# 36# contrib/gcc_update -r 8712 37# contrib/gcc_update --patch some-patch 38# contrib/gcc_update --touch 39# contrib/gcc_update --list 40 41 42# Default options used when updating (none). 43UPDATE_OPTIONS="" 44 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 51######## Anything below shouldn't be changed by regular users. 52 53# Arrange for the value of $0 to be available for functions 54self=$0 55 56# This function prints its arguments to standard output unless 57# "silent" is set. 58unset silent 59chat () { 60 if [ -z "$silent" ]; then 61 echo "$@" 62 fi 63} 64 65# This function prints a list of all generated files, along with their 66# dependencies. Note that only one target is supported per line: the 67# colon is stripped from the output. 68files_and_dependencies () { 69 sed -e 's/ *#.*//' -e '/^$/d' -e 's/://' <<\EOF 70# fixincludes 71fixincludes/configure: fixincludes/configure.ac fixincludes/aclocal.m4 72fixincludes/config.h.in: fixincludes/configure.ac fixincludes/aclocal.m4 73# intl library 74intl/plural.c: intl/plural.y 75intl/plural-config.h: intl/plural.y 76intl/configure: intl/configure.ac intl/aclocal.m4 77intl/config.h.in: intl/configure.ac intl/aclocal.m4 78# Now, proceed to gcc automatically generated files 79gcc/configure: gcc/configure.ac 80gcc/cstamp-h.in: gcc/configure.ac 81gcc/config.in: gcc/cstamp-h.in 82gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def 83gcc/config/aarch64/aarch64-tune.md: gcc/config/aarch64/aarch64-cores.def gcc/config/aarch64/gentune.sh 84gcc/config/arm/arm-tune.md: gcc/config/arm/arm-cpus.in gcc/config/arm/parsecpu.awk 85gcc/config/arm/arm-tables.opt: gcc/config/arm/arm-cpus.in gcc/config/arm/parsecpu.awk 86gcc/config/c6x/c6x-tables.opt: gcc/config/c6x/c6x-isas.def gcc/config/c6x/genopt.sh 87gcc/config/c6x/c6x-sched.md: gcc/config/c6x/c6x-sched.md.in gcc/config/c6x/gensched.sh 88gcc/config/c6x/c6x-mult.md: gcc/config/c6x/c6x-mult.md.in gcc/config/c6x/genmult.sh 89gcc/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 90gcc/config/mips/mips-tables.opt: gcc/config/mips/mips-cpus.def gcc/config/mips/genopt.sh 91gcc/config/rs6000/rs6000-tables.opt: gcc/config/rs6000/rs6000-cpus.def gcc/config/rs6000/genopt.sh 92gcc/config/tilegx/mul-tables.c: gcc/config/tilepro/gen-mul-tables.cc 93gcc/config/tilepro/mul-tables.c: gcc/config/tilepro/gen-mul-tables.cc 94# And then, language-specific files 95gcc/cp/cfns.h: gcc/cp/cfns.gperf 96# testsuite 97# Without this, _Pragma3.c can have a false negative. 98gcc/testsuite/gcc.dg/cpp/_Pragma3.c: gcc/testsuite/gcc.dg/cpp/mi1c.h 99# Similarly, without this, you will see: 100# direct2s.c:35: warning: current file is older than direct2.c 101gcc/testsuite/gcc.dg/cpp/direct2s.c: gcc/testsuite/gcc.dg/cpp/direct2.c 102# lto-plugin 103lto-plugin/configure: lto-plugin/configure.ac lto-plugin/aclocal.m4 104lto-plugin/Makefile.in: lto-plugin/Makefile.am lto-plugin/aclocal.m4 105# And libraries, at last 106libbanshee/configure: libbanshee/configure.ac 107libmudflap/configure: libmudflap/configure.ac 108libobjc/configure: libobjc/configure.ac 109zlib/aclocal.m4: zlib/configure.ac zlib/acinclude.m4 110zlib/Makefile.in: zlib/Makefile.am zlib/configure.ac zlib/aclocal.m4 111zlib/configure: zlib/configure.ac zlib/aclocal.m4 112fastjar/aclocal.m4: fastjar/configure.ac 113fastjar/Makefile.in: fastjar/Makefile.am fastjar/configure.ac fastjar/aclocal.m4 114fastjar/configure: fastjar/configure.ac fastjar/aclocal.m4 115boehm-gc/aclocal.m4: boehm-gc/configure.ac 116boehm-gc/Makefile.in: boehm-gc/Makefile.am boehm-gc/configure.ac boehm-gc/aclocal.m4 117boehm-gc/configure: boehm-gc/configure.ac boehm-gc/aclocal.m4 118libada/configure: libada/configure.ac 119libffi/aclocal.m4: libffi/configure.ac libffi/acinclude.m4 120libffi/Makefile.in: libffi/Makefile.am libffi/configure.ac libffi/aclocal.m4 121libffi/configure: libffi/configure.ac libffi/aclocal.m4 122libffi/fficonfig.h.in: libffi/configure.ac libffi/aclocal.m4 123libgfortran/aclocal.m4: libgfortran/configure.ac libgfortran/acinclude.m4 124libgfortran/Makefile.in: libgfortran/Makefile.am libgfortran/configure.ac libgfortran/aclocal.m4 125libquadmath/configure: libquadmath/configure.ac libquadmath/aclocal.m4 126libquadmath/aclocal.m4: libquadmath/configure.ac libquadmath/acinclude.m4 127libquadmath/Makefile.in: libquadmath/Makefile.am libquadmath/configure.ac libgfortran/aclocal.m4 128libgfortran/configure: libgfortran/configure.ac libgfortran/aclocal.m4 129libcpp/aclocal.m4: libcpp/configure.ac 130libcpp/Makefile.in: libcpp/configure.ac libcpp/aclocal.m4 131libcpp/configure: libcpp/configure.ac libcpp/aclocal.m4 132libgomp/aclocal.m4: libgomp/configure.ac libgomp/acinclude.m4 133libgomp/Makefile.am: libgomp/plugin/Makefrag.am 134libgomp/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4 135libgomp/testsuite/Makefile.in: libgomp/testsuite/Makefile.am libgomp/aclocal.m4 136libgomp/configure.ac: libgomp/plugin/configfrag.ac 137libgomp/configure: libgomp/configure.ac libgomp/aclocal.m4 138libgomp/config.h.in: libgomp/configure.ac libgomp/aclocal.m4 139libhsail-rt/aclocal.m4: libhsail-rt/configure.ac 140libhsail-rt/Makefile.in: libhsail-rt/Makefile.am libhsail-rt/aclocal.m4 141libhsail-rt/configure: libhsail-rt/configure.ac libhsail-rt/aclocal.m4 142libhsail-rt/target-config.h.in: libhsail-rt/configure.ac libhsail-rt/aclocal.m4 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 148libatomic/aclocal.m4: libatomic/configure.ac libatomic/acinclude.m4 149libatomic/Makefile.in: libatomic/Makefile.am libatomic/aclocal.m4 150libatomic/testsuite/Makefile.in: libatomic/testsuite/Makefile.am libatomic/aclocal.m4 151libatomic/configure: libatomic/configure.ac libatomic/aclocal.m4 152libatomic/auto-config.h.in: libatomic/configure.ac libatomic/aclocal.m4 153libsanitizer/aclocal.m4: libsanitizer/configure.ac libsanitizer/acinclude.m4 154libsanitizer/Makefile.in: libsanitizer/Makefile.am libsanitizer/aclocal.m4 155libsanitizer/configure: libsanitizer/configure.ac libsanitizer/aclocal.m4 156libsanitizer/asan/Makefile.in: libsanitizer/asan/Makefile.am libsanitizer/aclocal.m4 157libsanitizer/interception/Makefile.in: libsanitizer/interception/Makefile.am libsanitizer/aclocal.m4 158libsanitizer/sanitizer_common/Makefile.in: libsanitizer/sanitizer_common/Makefile.am libsanitizer/aclocal.m4 159libvtv/aclocal.m4: libvtv/configure.ac libvtv/acinclude.m4 160libvtv/Makefile.in: libvtv/Makefile.am libvtv/aclocal.m4 161libvtv/configure: libvtv/configure.ac libvtv/aclocal.m4 162liboffloadmic/aclocal.m4: liboffloadmic/configure.ac 163liboffloadmic/Makefile.in: liboffloadmic/Makefile.am 164liboffloadmic/configure: liboffloadmic/configure.ac 165liboffloadmic/plugin/aclocal.m4: liboffloadmic/plugin/configure.ac 166liboffloadmic/plugin/Makefile.in: liboffloadmic/plugin/Makefile.am 167liboffloadmic/plugin/configure: liboffloadmic/plugin/configure.ac 168libbacktrace/aclocal.m4: libbacktrace/configure.ac 169libbacktrace/Makefile.in: libbacktrace/Makefile.am libbacktrace/aclocal.m4 170libbacktrace/configure: libbacktrace/configure.ac libbacktrace/aclocal.m4 171libbacktrace/config.h.in: libbacktrace/configure.ac libbacktrace/aclocal.m4 172libphobos/Makefile.in: libphobos/Makefile.am libphobos/configure.ac libphobos/aclocal.m4 173libphobos/aclocal.m4: libphobos/configure.ac libphobos/acinclude.m4 174libphobos/config.h.in: libphobos/configure.ac libphobos/aclocal.m4 175libphobos/configure: libphobos/configure.ac libphobos/aclocal.m4 176libphobos/src/Makefile.in: libphobos/src/Makefile.am libphobos/aclocal.m4 177libphobos/testsuite/Makefile.in: libphobos/testsuite/Makefile.am libphobos/aclocal.m4 178# Top level 179Makefile.in: Makefile.tpl Makefile.def 180configure: configure.ac config/acx.m4 181EOF 182} 183 184 185# This function touches generated files such that the ``end'' user does 186# not have to rebuild them. 187touch_files () { 188 rm -f Makefile.$$ 189 echo 'all: \' > Makefile.$$ 190 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$ 191 echo '; @true' >> Makefile.$$ 192 files_and_dependencies | sed 's, ,: ,' >> Makefile.$$ 193 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$ 194 echo ':' >> Makefile.$$ 195 echo ' @for f in $? $@; do test -f $$f || exit 0; done; \' >> Makefile.$$ 196 echo ' echo Touching $@...; \' >> Makefile.$$ 197 chat ' echo Touching $@... 1>&2; \' >> Makefile.$$ 198 echo ' touch $@' >> Makefile.$$ 199 files_and_dependencies | sed 's,[^ ]* ,,;s,$, :,' >> Makefile.$$ 200 201 # We would have to explicitly shut off the "Entering... Leaving..." 202 # messages through "--no-print-directory" to handle the case when 203 # we were called from a recursive invocation (i.e. "$(MAKE)" in a 204 # Makefile, not just make). Passing only "-s" doesn't help then, 205 # because make has helpfully added "-w" to MAKEFLAGS automatically. 206 # Unfortunately we do not require GNU make other than for building 207 # and testing, so let's just grep known text explicitly echoed by 208 # the rule. 209 while ${MAKE-make} -s -f Makefile.$$ all | grep Touching > /dev/null; do 210 sleep 1 211 done 2>&1 212 rm -f Makefile.$$ 213} 214 215 216# Whenever we update the tree or install a patch, we may be modifying 217# this script. By re-execing it, we ensure that the appropriate 218# dependencies and rules will be used. 219touch_files_reexec () { 220 chat "Adjusting file timestamps" 221 exec ${CONFIG_SHELL-/bin/sh} $self ${silent+"--silent"} --touch 222} 223 224# This functions applies a patch to an existing tree. 225apply_patch () { 226 if [ -f "$1" ]; then 227 echo "Applying patch file $1" 228 case $1 in 229 *gz) 230 gzip -d -c "$1" | patch -p1 ;; 231 *bz2) 232 bzip2 -d -c "$1" | patch -p1 ;; 233 *) 234 patch -p1 < "$1";; 235 esac 236 fi 237 touch_files_reexec 238} 239 240# Check whether this indeed looks like a local tree. 241if [ ! -f gcc/version.c ]; then 242 echo "This does not seem to be a GCC tree!" 243 exit 244fi 245 246case "$1" in 247--silent) 248 silent=t 249 shift 250 ;; 251esac 252 253case "$1" in 254# First of all, check whether we are going to process a patch. 255--patch) 256 if test "$#" != 2; then 257 echo "$1" expects only one argument >&2 258 exit 1 259 fi 260 apply_patch "${2}" 261 exit $? 262 ;; 263 264--touch) 265 if test "$#" != 1; then 266 echo "$1" does not expect any argument >&2 267 exit 1 268 fi 269 touch_files 270 exit $? 271 ;; 272 273--list) 274 if test "$#" != 1; then 275 echo "$1" does not expect any argument >&2 276 exit 1 277 fi 278 files_and_dependencies | sed 's/ /: /' 279 exit $? 280 ;; 281 282--help) 283 sed -e '1,2d' -e '/^UPDATE_OPTIONS=/{i\ 284\ 285 286p 287}' \ 288 -e '/^$/,$d' -e 's/#//' -e 's/^ //' < $0 289 exit $? 290 ;; 291 292esac 293 294# Check for known version control systems. 295if [ -d .git ] || [ -f .git ]; then 296 GCC_GIT=${GCC_GIT-${GIT-git}} 297 vcs_type="git" 298elif [ -d .hg ]; then 299 GCC_HG=${GCC_HG-${HG-hg}} 300 vcs_type="hg" 301elif [ -d .svn ]; then 302 GCC_SVN=${GCC_SVN-${SVN-svn}} 303 vcs_type="svn" 304else 305 echo "This does not seem to be a GCC GIT/HG/SVN tree!" 306 exit 307fi 308 309# Check command-line options 310if [ x"${1}"x = x"--nostdflags"x ]; then 311 shift 312else 313 set -- $UPDATE_OPTIONS ${1+"$@"} 314fi 315 316case $vcs_type in 317 git) 318 chat "Updating GIT tree" 319 320 $GCC_GIT diff --quiet --exit-code HEAD 321 if [ $? -ne 0 ]; then 322 echo "Attempting to update a dirty git tree!" >&2 323 echo "Commit or stash your changes first and retry." >&2 324 exit 1 325 fi 326 327 $GCC_GIT pull ${silent+-q} --rebase ${1+"$@"} 328 if [ $? -ne 0 ]; then 329 (touch_files_reexec) 330 echo "git pull of full tree failed." >&2 331 exit 1 332 fi 333 334 revision=`$GCC_GIT log -n1 --pretty=tformat:%p:%t:%H` 335 branch=`$GCC_GIT name-rev --name-only HEAD || :` 336 ;; 337 338 hg) 339 chat "Updating HG tree" 340 341 # Add -q so untracked files aren't listed. 342 if [ `$GCC_HG status -q | wc -l` -gt 0 ]; then 343 echo "Attempting to update a dirty hg tree!" >&2 344 echo "Commit or revert your changes first and retry." >&2 345 exit 1 346 fi 347 348 # Check for mq extension. mq patches must be popped so tip has 349 # been converted from the SVN tree. 350 if [ -d .hg/patches ] && [ `$GCC_HG qapplied | wc -l` -gt 0 ]; then 351 # FIXME: Perhaps pop queue instead? We could do that since we 352 # know the tree is clean. 353 echo "Attempting to update hg tree with mq patches applied!" >&2 354 echo "Pop your patches first and retry." >&2 355 exit 1 356 fi 357 358 # Update tree, but make sure to only pull the default branch. 359 # Otherwise all branches in the upstream repo are added, even if 360 # only a single one has been cloned. 361 $GCC_HG pull ${silent+-q} -r`$GCC_HG branch` ${1+"$@"} 362 if [ $? -ne 0 ]; then 363 (touch_files_reexec) 364 echo "hg pull of full tree failed." >&2 365 exit 1 366 fi 367 368 # Update tree. Needs to be done separately from pull so 369 # gcc_update -rREV works. 370 $GCC_HG update ${silent+-q} ${1+"$@"} 371 if [ $? -ne 0 ]; then 372 (touch_files_reexec) 373 echo "hg update of full tree failed." >&2 374 exit 1 375 fi 376 377 # Extract SVN revision corresponding to parents, as stored by 378 # hg convert. Before hg 1.4.3, there's no template keyword 379 # corresponding to the extra: tag, so need to use hg log --debug 380 # to extract the info. 381 parents=`$GCC_HG parents --template '{rev}'` 382 convert_revision=`$GCC_HG log --debug -r$parents | \ 383 sed -ne "/^extra:.*convert_revision=svn:/ { 384 s%^[^/]*/%% 385 p 386 }"` 387 revision=`echo $convert_revision | sed -e 's/.*@//'` 388 branch=`echo $convert_revision | sed -e 's%branches/%%' -e 's/@.*//'` 389 ;; 390 391 svn) 392 chat "Updating SVN tree" 393 394 $GCC_SVN ${silent+-q} --non-interactive update ${1+"$@"} 395 if [ $? -ne 0 ]; then 396 (touch_files_reexec) 397 echo "SVN update of full tree failed." >&2 398 exit 1 399 fi 400 401 revision=`$GCC_SVN info | awk '/Revision:/ { print $2 }'` 402 branch=`$GCC_SVN info | sed -ne "/^URL:/ { 403 s,.*/trunk,trunk, 404 s,.*/branches/,, 405 s,.*/tags/,, 406 p 407 }"` 408 ;; 409esac 410 411rm -f LAST_UPDATED gcc/REVISION 412{ 413 date 414 echo "`TZ=UTC date` (revision $revision)" 415} > LAST_UPDATED 416echo "[$branch revision $revision]" > gcc/REVISION 417 418touch_files_reexec 419