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24# If the first parameter is --touch, no svn operation will be performed, 25# only generated files that appear to be out of date in the local tree 26# will be touched. 27# 28# If the first parameter is --list, a list of the generated files and 29# their dependencies will be printed;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/loongarch/loongarch-str.h: gcc/config/loongarch/genopts/genstr.sh gcc/config/loongarch/genopts/loongarch-strings 90gcc/config/loongarch/loongarch.opt: gcc/config/loongarch/genopts/genstr.sh gcc/config/loongarch/genopts/loongarch.opt.in 91gcc/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 92gcc/config/mips/mips-tables.opt: gcc/config/mips/mips-cpus.def gcc/config/mips/genopt.sh 93gcc/config/rs6000/rs6000-tables.opt: gcc/config/rs6000/rs6000-cpus.def gcc/config/rs6000/genopt.sh 94gcc/config/rs6000/fusion.md: gcc/config/rs6000/genfusion.pl 95gcc/config/tilegx/mul-tables.cc: gcc/config/tilepro/gen-mul-tables.cc 96gcc/config/tilepro/mul-tables.cc: gcc/config/tilepro/gen-mul-tables.cc 97# And then, language-specific files 98gcc/cp/cfns.h: gcc/cp/cfns.gperf 99# testsuite 100# Without this, _Pragma3.c can have a false negative. 101gcc/testsuite/gcc.dg/cpp/_Pragma3.c: gcc/testsuite/gcc.dg/cpp/mi1c.h 102# Similarly, without this, you will see: 103# direct2s.c:35: warning: current file is older than direct2.c 104gcc/testsuite/gcc.dg/cpp/direct2s.c: gcc/testsuite/gcc.dg/cpp/direct2.c 105# lto-plugin 106lto-plugin/configure: lto-plugin/configure.ac lto-plugin/aclocal.m4 107lto-plugin/Makefile.in: lto-plugin/Makefile.am lto-plugin/aclocal.m4 108# tools 109c++tools/configure: c++tools/configure.ac 110c++tools/config.h.in: c++tools/configure.ac 111# And libraries, at last 112libbanshee/configure: libbanshee/configure.ac 113libmudflap/configure: libmudflap/configure.ac 114libobjc/configure: libobjc/configure.ac 115zlib/aclocal.m4: zlib/configure.ac zlib/acinclude.m4 116zlib/Makefile.in: zlib/Makefile.am zlib/configure.ac zlib/aclocal.m4 117zlib/configure: zlib/configure.ac zlib/aclocal.m4 118fastjar/aclocal.m4: fastjar/configure.ac 119fastjar/Makefile.in: fastjar/Makefile.am fastjar/configure.ac fastjar/aclocal.m4 120fastjar/configure: fastjar/configure.ac fastjar/aclocal.m4 121boehm-gc/aclocal.m4: boehm-gc/configure.ac 122boehm-gc/Makefile.in: boehm-gc/Makefile.am boehm-gc/configure.ac boehm-gc/aclocal.m4 123boehm-gc/configure: boehm-gc/configure.ac boehm-gc/aclocal.m4 124libada/configure: libada/configure.ac 125libffi/aclocal.m4: libffi/configure.ac libffi/acinclude.m4 126libffi/Makefile.in: libffi/Makefile.am libffi/configure.ac libffi/aclocal.m4 127libffi/configure: libffi/configure.ac libffi/aclocal.m4 128libffi/fficonfig.h.in: libffi/configure.ac libffi/aclocal.m4 129libgfortran/aclocal.m4: libgfortran/configure.ac libgfortran/acinclude.m4 130libgfortran/Makefile.in: libgfortran/Makefile.am libgfortran/configure.ac libgfortran/aclocal.m4 131libquadmath/configure: libquadmath/configure.ac libquadmath/aclocal.m4 132libquadmath/aclocal.m4: libquadmath/configure.ac libquadmath/acinclude.m4 133libquadmath/Makefile.in: libquadmath/Makefile.am libquadmath/configure.ac libgfortran/aclocal.m4 134libgfortran/configure: libgfortran/configure.ac libgfortran/aclocal.m4 135libcody/configure: libcody/configure.ac libcody/config.m4 136libcpp/aclocal.m4: libcpp/configure.ac 137libcpp/Makefile.in: libcpp/configure.ac libcpp/aclocal.m4 138libcpp/configure: libcpp/configure.ac libcpp/aclocal.m4 139libgomp/aclocal.m4: libgomp/configure.ac libgomp/acinclude.m4 140libgomp/Makefile.am: libgomp/plugin/Makefrag.am 141libgomp/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4 142libgomp/testsuite/Makefile.in: libgomp/testsuite/Makefile.am libgomp/aclocal.m4 143libgomp/configure.ac: libgomp/plugin/configfrag.ac 144libgomp/configure: libgomp/configure.ac libgomp/aclocal.m4 145libgomp/config.h.in: libgomp/configure.ac libgomp/aclocal.m4 146libitm/aclocal.m4: libitm/configure.ac libitm/acinclude.m4 147libitm/Makefile.in: libitm/Makefile.am libitm/aclocal.m4 148libitm/testsuite/Makefile.in: libitm/testsuite/Makefile.am libitm/aclocal.m4 149libitm/configure: libitm/configure.ac libitm/aclocal.m4 150libitm/config.h.in: libitm/configure.ac libitm/aclocal.m4 151libatomic/aclocal.m4: libatomic/configure.ac libatomic/acinclude.m4 152libatomic/Makefile.in: libatomic/Makefile.am libatomic/aclocal.m4 153libatomic/testsuite/Makefile.in: libatomic/testsuite/Makefile.am libatomic/aclocal.m4 154libatomic/configure: libatomic/configure.ac libatomic/aclocal.m4 155libatomic/auto-config.h.in: libatomic/configure.ac libatomic/aclocal.m4 156libsanitizer/aclocal.m4: libsanitizer/configure.ac libsanitizer/acinclude.m4 157libsanitizer/Makefile.in: libsanitizer/Makefile.am libsanitizer/aclocal.m4 158libsanitizer/configure: libsanitizer/configure.ac libsanitizer/aclocal.m4 159libsanitizer/asan/Makefile.in: libsanitizer/asan/Makefile.am libsanitizer/aclocal.m4 160libsanitizer/interception/Makefile.in: libsanitizer/interception/Makefile.am libsanitizer/aclocal.m4 161libsanitizer/sanitizer_common/Makefile.in: libsanitizer/sanitizer_common/Makefile.am libsanitizer/aclocal.m4 162libvtv/aclocal.m4: libvtv/configure.ac libvtv/acinclude.m4 163libvtv/Makefile.in: libvtv/Makefile.am libvtv/aclocal.m4 164libvtv/configure: libvtv/configure.ac libvtv/aclocal.m4 165liboffloadmic/aclocal.m4: liboffloadmic/configure.ac 166liboffloadmic/Makefile.in: liboffloadmic/Makefile.am 167liboffloadmic/configure: liboffloadmic/configure.ac 168liboffloadmic/plugin/aclocal.m4: liboffloadmic/plugin/configure.ac 169liboffloadmic/plugin/Makefile.in: liboffloadmic/plugin/Makefile.am 170liboffloadmic/plugin/configure: liboffloadmic/plugin/configure.ac 171libbacktrace/aclocal.m4: libbacktrace/configure.ac 172libbacktrace/Makefile.in: libbacktrace/Makefile.am libbacktrace/aclocal.m4 173libbacktrace/configure: libbacktrace/configure.ac libbacktrace/aclocal.m4 174libbacktrace/config.h.in: libbacktrace/configure.ac libbacktrace/aclocal.m4 175libphobos/Makefile.in: libphobos/Makefile.am libphobos/configure.ac libphobos/aclocal.m4 176libphobos/aclocal.m4: libphobos/configure.ac libphobos/acinclude.m4 177libphobos/config.h.in: libphobos/configure.ac libphobos/aclocal.m4 178libphobos/configure: libphobos/configure.ac libphobos/aclocal.m4 179libphobos/src/Makefile.in: libphobos/src/Makefile.am libphobos/aclocal.m4 180libphobos/testsuite/Makefile.in: libphobos/testsuite/Makefile.am libphobos/aclocal.m4 181# Top level 182Makefile.in: Makefile.tpl Makefile.def 183configure: configure.ac config/acx.m4 184EOF 185} 186 187 188# This function touches generated files such that the ``end'' user does 189# not have to rebuild them. 190touch_files () { 191 rm -f Makefile.$$ 192 echo 'all: \' > Makefile.$$ 193 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$ 194 echo '; @true' >> Makefile.$$ 195 files_and_dependencies | sed 's, ,: ,' >> Makefile.$$ 196 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$ 197 echo ':' >> Makefile.$$ 198 echo ' @for f in $? $@; do test -f $$f || exit 0; done; \' >> Makefile.$$ 199 echo ' echo Touching $@...; \' >> Makefile.$$ 200 chat ' echo Touching $@... 1>&2; \' >> Makefile.$$ 201 echo ' touch $@' >> Makefile.$$ 202 files_and_dependencies | sed 's,[^ ]* ,,;s,$, :,' >> Makefile.$$ 203 204 # We would have to explicitly shut off the "Entering... Leaving..." 205 # messages through "--no-print-directory" to handle the case when 206 # we were called from a recursive invocation (i.e. "$(MAKE)" in a 207 # Makefile, not just make). Passing only "-s" doesn't help then, 208 # because make has helpfully added "-w" to MAKEFLAGS automatically. 209 # Unfortunately we do not require GNU make other than for building 210 # and testing, so let's just grep known text explicitly echoed by 211 # the rule. 212 while ${MAKE-make} -s -f Makefile.$$ all | grep Touching > /dev/null; do 213 sleep 1 214 done 2>&1 215 rm -f Makefile.$$ 216} 217 218 219# Whenever we update the tree or install a patch, we may be modifying 220# this script. By re-execing it, we ensure that the appropriate 221# dependencies and rules will be used. 222touch_files_reexec () { 223 chat "Adjusting file timestamps" 224 exec ${CONFIG_SHELL-/bin/sh} $self ${silent+"--silent"} --touch 225} 226 227# This functions applies a patch to an existing tree. 228apply_patch () { 229 if [ -f "$1" ]; then 230 echo "Applying patch file $1" 231 case $1 in 232 *gz) 233 gzip -d -c "$1" | patch -p1 ;; 234 *bz2) 235 bzip2 -d -c "$1" | patch -p1 ;; 236 *) 237 patch -p1 < "$1";; 238 esac 239 fi 240 touch_files_reexec 241} 242 243# Check whether this indeed looks like a local tree. 244if [ ! -f gcc/reload.cc ]; then 245 echo "This does not seem to be a GCC tree!" 246 exit 247fi 248 249case "$1" in 250--silent) 251 silent=t 252 shift 253 ;; 254esac 255 256case "$1" in 257# First of all, check whether we are going to process a patch. 258--patch) 259 if test "$#" != 2; then 260 echo "$1" expects only one argument >&2 261 exit 1 262 fi 263 apply_patch "${2}" 264 exit $? 265 ;; 266 267--touch) 268 if test "$#" != 1; then 269 echo "$1" does not expect any argument >&2 270 exit 1 271 fi 272 touch_files 273 exit $? 274 ;; 275 276--list) 277 if test "$#" != 1; then 278 echo "$1" does not expect any argument >&2 279 exit 1 280 fi 281 files_and_dependencies | sed 's/ /: /' 282 exit $? 283 ;; 284 285--help) 286 sed -e '1,2d' -e '/^UPDATE_OPTIONS=/{i\ 287\ 288 289p 290}' \ 291 -e '/^$/,$d' -e 's/#//' -e 's/^ //' < $0 292 exit $? 293 ;; 294 295esac 296 297# Check for known version control systems. 298if [ -d .git ] || [ -f .git ]; then 299 GCC_GIT=${GCC_GIT-${GIT-git}} 300 vcs_type="git" 301elif [ -d .hg ]; then 302 GCC_HG=${GCC_HG-${HG-hg}} 303 vcs_type="hg" 304elif [ -d .svn ]; then 305 GCC_SVN=${GCC_SVN-${SVN-svn}} 306 vcs_type="svn" 307else 308 echo "This does not seem to be a GCC GIT/HG/SVN tree!" 309 exit 310fi 311 312# Check command-line options 313if [ x"${1}"x = x"--nostdflags"x ]; then 314 shift 315else 316 set -- $UPDATE_OPTIONS ${1+"$@"} 317fi 318 319case $vcs_type in 320 git) 321 chat "Updating GIT tree" 322 323 $GCC_GIT diff --quiet --exit-code HEAD 324 if [ $? -ne 0 ]; then 325 echo "Attempting to update a dirty git tree!" >&2 326 echo "Commit or stash your changes first and retry." >&2 327 exit 1 328 fi 329 330 $GCC_GIT pull ${silent+-q} --rebase ${1+"$@"} 331 if [ $? -ne 0 ]; then 332 (touch_files_reexec) 333 echo "git pull of full tree failed." >&2 334 exit 1 335 fi 336 337 # Open-coded version of "git gcc-descr" from contrib/gcc-git-customization.sh 338 revision=`$GCC_GIT log -n1 --pretty=tformat:%h` 339 r=`$GCC_GIT describe --all --match 'basepoints/gcc-[0-9]*' HEAD \ 340 | sed -n 's,^\(tags/\)\?basepoints/gcc-\([0-9]\+\)-\([0-9]\+\)-g[0-9a-f]*$,r\2-\3,p;s,^\(tags/\)\?basepoints/gcc-\([0-9]\+\)$,r\2-0,p'`; 341 if test -n $r; then 342 o=`$GCC_GIT config --get gcc-config.upstream`; 343 rr=`echo $r | sed -n 's,^r\([0-9]\+\)-[0-9]\+\(-g[0-9a-f]\+\)\?$,\1,p'`; 344 if $GCC_GIT rev-parse --verify --quiet ${o:-origin}/releases/gcc-$rr >/dev/null; then 345 m=releases/gcc-$rr; 346 else 347 m=master; 348 fi; 349 if $GCC_GIT merge-base --is-ancestor HEAD ${o:-origin}/$m; then 350 revision=${r}-g${revision}; 351 fi 352 fi 353 branch=`$GCC_GIT name-rev --name-only HEAD || :` 354 ;; 355 356 hg) 357 chat "Updating HG tree" 358 359 # Add -q so untracked files aren't listed. 360 if [ `$GCC_HG status -q | wc -l` -gt 0 ]; then 361 echo "Attempting to update a dirty hg tree!" >&2 362 echo "Commit or revert your changes first and retry." >&2 363 exit 1 364 fi 365 366 # Check for mq extension. mq patches must be popped so tip has 367 # been converted from the SVN tree. 368 if [ -d .hg/patches ] && [ `$GCC_HG qapplied | wc -l` -gt 0 ]; then 369 # FIXME: Perhaps pop queue instead? We could do that since we 370 # know the tree is clean. 371 echo "Attempting to update hg tree with mq patches applied!" >&2 372 echo "Pop your patches first and retry." >&2 373 exit 1 374 fi 375 376 # Update tree, but make sure to only pull the default branch. 377 # Otherwise all branches in the upstream repo are added, even if 378 # only a single one has been cloned. 379 $GCC_HG pull ${silent+-q} -r`$GCC_HG branch` ${1+"$@"} 380 if [ $? -ne 0 ]; then 381 (touch_files_reexec) 382 echo "hg pull of full tree failed." >&2 383 exit 1 384 fi 385 386 # Update tree. Needs to be done separately from pull so 387 # gcc_update -rREV works. 388 $GCC_HG update ${silent+-q} ${1+"$@"} 389 if [ $? -ne 0 ]; then 390 (touch_files_reexec) 391 echo "hg update of full tree failed." >&2 392 exit 1 393 fi 394 395 # Extract SVN revision corresponding to parents, as stored by 396 # hg convert. Before hg 1.4.3, there's no template keyword 397 # corresponding to the extra: tag, so need to use hg log --debug 398 # to extract the info. 399 parents=`$GCC_HG parents --template '{rev}'` 400 convert_revision=`$GCC_HG log --debug -r$parents | \ 401 sed -ne "/^extra:.*convert_revision=svn:/ { 402 s%^[^/]*/%% 403 p 404 }"` 405 revision=`echo $convert_revision | sed -e 's/.*@//'` 406 branch=`echo $convert_revision | sed -e 's%branches/%%' -e 's/@.*//'` 407 ;; 408 409 svn) 410 chat "Updating SVN tree" 411 412 $GCC_SVN ${silent+-q} --non-interactive update ${1+"$@"} 413 if [ $? -ne 0 ]; then 414 (touch_files_reexec) 415 echo "SVN update of full tree failed." >&2 416 exit 1 417 fi 418 419 revision=`$GCC_SVN info | awk '/Revision:/ { print $2 }'` 420 branch=`$GCC_SVN info | sed -ne "/^URL:/ { 421 s,.*/trunk,trunk, 422 s,.*/branches/,, 423 s,.*/tags/,, 424 p 425 }"` 426 ;; 427esac 428 429rm -f LAST_UPDATED gcc/REVISION 430{ 431 date 432 echo "`TZ=UTC date` (revision $revision)" 433} > LAST_UPDATED 434echo "[$branch $revision]" > gcc/REVISION 435 436touch_files_reexec 437