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 (at] 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24 # If the first parameter is --touch, no svn operation will be performed, 25 # only generated files that appear to be out of date in the local tree 26 # will be touched. 27 # 28 # If the first parameter is --list, a list of the generated files and 29 # their dependencies will be printed;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). 43 UPDATE_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. 47 LANG=C 48 LC_ALL=C 49 export 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 54 self=$0 55 56 # This function prints its arguments to standard output unless 57 # "silent" is set. 58 unset silent 59 chat () { 60 if [ -z "$silent" ]; then 61 echo "$@" 62 fi 63 } 64 65 # This function prints a list of all generated files, along with their 66 # dependencies. Note that only one target is supported per line: the 67 # colon is stripped from the output. 68 files_and_dependencies () { 69 sed -e 's/ *#.*//' -e '/^$/d' -e 's/://' <<\EOF 70 # fixincludes 71 fixincludes/configure: fixincludes/configure.ac fixincludes/aclocal.m4 72 fixincludes/config.h.in: fixincludes/configure.ac fixincludes/aclocal.m4 73 fixincludes/fixincl.x: fixincludes/inclhack.def fixincludes/fixincl.tpl 74 # intl library 75 intl/plural.c: intl/plural.y 76 intl/plural-config.h: intl/plural.y 77 intl/configure: intl/configure.ac intl/aclocal.m4 78 intl/config.h.in: intl/configure.ac intl/aclocal.m4 79 # Now, proceed to gcc automatically generated files 80 gcc/configure: gcc/configure.ac 81 gcc/cstamp-h.in: gcc/configure.ac 82 gcc/config.in: gcc/cstamp-h.in 83 gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def 84 gcc/config/aarch64/aarch64-tune.md: gcc/config/aarch64/aarch64-cores.def gcc/config/aarch64/gentune.sh 85 gcc/config/arm/arm-tune.md: gcc/config/arm/arm-cpus.in gcc/config/arm/parsecpu.awk 86 gcc/config/arm/arm-tables.opt: gcc/config/arm/arm-cpus.in gcc/config/arm/parsecpu.awk 87 gcc/config/c6x/c6x-tables.opt: gcc/config/c6x/c6x-isas.def gcc/config/c6x/genopt.sh 88 gcc/config/c6x/c6x-sched.md: gcc/config/c6x/c6x-sched.md.in gcc/config/c6x/gensched.sh 89 gcc/config/c6x/c6x-mult.md: gcc/config/c6x/c6x-mult.md.in gcc/config/c6x/genmult.sh 90 gcc/config/loongarch/loongarch-str.h: gcc/config/loongarch/genopts/genstr.sh gcc/config/loongarch/genopts/loongarch-strings 91 gcc/config/loongarch/loongarch.opt: gcc/config/loongarch/genopts/genstr.sh gcc/config/loongarch/genopts/loongarch.opt.in 92 gcc/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 93 gcc/config/mips/mips-tables.opt: gcc/config/mips/mips-cpus.def gcc/config/mips/genopt.sh 94 gcc/config/rs6000/rs6000-tables.opt: gcc/config/rs6000/rs6000-cpus.def gcc/config/rs6000/genopt.sh 95 gcc/config/rs6000/fusion.md: gcc/config/rs6000/genfusion.pl 96 # And then, language-specific files 97 gcc/cp/cfns.h: gcc/cp/cfns.gperf 98 gcc/cp/std-name-hint.h: gcc/cp/std-name-hint.gperf 99 gcc/cp/std-name-hint.gperf: gcc/cp/cxxapi-data.csv 100 gcc/m2/configure: gcc/m2/configure.ac 101 gcc/m2/gm2config.h.in: gcc/m2/configure.ac 102 gcc/m2/gm2-libs/config-host: gcc/m2/gm2-libs/config-host.in 103 # testsuite 104 # Without this, _Pragma3.c can have a false negative. 105 gcc/testsuite/gcc.dg/cpp/_Pragma3.c: gcc/testsuite/gcc.dg/cpp/mi1c.h 106 # Similarly, without this, you will see: 107 # direct2s.c:35: warning: current file is older than direct2.c 108 gcc/testsuite/gcc.dg/cpp/direct2s.c: gcc/testsuite/gcc.dg/cpp/direct2.c 109 # lto-plugin 110 lto-plugin/aclocal.m4: lto-plugin/configure.ac 111 lto-plugin/configure: lto-plugin/configure.ac lto-plugin/aclocal.m4 112 lto-plugin/Makefile.in: lto-plugin/Makefile.am lto-plugin/aclocal.m4 113 # tools 114 c++tools/configure: c++tools/configure.ac 115 c++tools/config.h.in: c++tools/configure.ac 116 # And libraries, at last 117 libbanshee/configure: libbanshee/configure.ac 118 libmudflap/configure: libmudflap/configure.ac 119 libobjc/configure: libobjc/configure.ac 120 zlib/aclocal.m4: zlib/configure.ac zlib/acinclude.m4 121 zlib/Makefile.in: zlib/Makefile.am zlib/configure.ac zlib/aclocal.m4 122 zlib/configure: zlib/configure.ac zlib/aclocal.m4 123 fastjar/aclocal.m4: fastjar/configure.ac 124 fastjar/Makefile.in: fastjar/Makefile.am fastjar/configure.ac fastjar/aclocal.m4 125 fastjar/configure: fastjar/configure.ac fastjar/aclocal.m4 126 boehm-gc/aclocal.m4: boehm-gc/configure.ac 127 boehm-gc/Makefile.in: boehm-gc/Makefile.am boehm-gc/configure.ac boehm-gc/aclocal.m4 128 boehm-gc/configure: boehm-gc/configure.ac boehm-gc/aclocal.m4 129 libada/configure: libada/configure.ac 130 libffi/aclocal.m4: libffi/configure.ac libffi/acinclude.m4 131 libffi/Makefile.in: libffi/Makefile.am libffi/configure.ac libffi/aclocal.m4 132 libffi/configure: libffi/configure.ac libffi/aclocal.m4 133 libffi/fficonfig.h.in: libffi/configure.ac libffi/aclocal.m4 134 libgfortran/aclocal.m4: libgfortran/configure.ac libgfortran/acinclude.m4 135 libgfortran/Makefile.in: libgfortran/Makefile.am libgfortran/configure.ac libgfortran/aclocal.m4 136 libgm2/Makefile.in: libgm2/Makefile.am libgm2/configure.ac libgm2/aclocal.m4 137 libgm2/aclocal.m4: libgm2/configure.ac 138 libgm2/libm2cor/Makefile.in: libgm2/libm2cor/Makefile.am 139 libgm2/libm2pim/Makefile.in: libgm2/libm2pim/Makefile.am 140 libgm2/libm2iso/Makefile.in: libgm2/libm2iso/Makefile.am 141 libgm2/libm2log/Makefile.in: libgm2/libm2log/Makefile.am 142 libgm2/libm2min/Makefile.in: libgm2/libm2min/Makefile.am 143 libquadmath/configure: libquadmath/configure.ac libquadmath/aclocal.m4 144 libquadmath/aclocal.m4: libquadmath/configure.ac libquadmath/acinclude.m4 145 libquadmath/Makefile.in: libquadmath/Makefile.am libquadmath/configure.ac libgfortran/aclocal.m4 146 libgfortran/configure: libgfortran/configure.ac libgfortran/aclocal.m4 147 libcody/configure: libcody/configure.ac libcody/config.m4 148 libcpp/aclocal.m4: libcpp/configure.ac 149 libcpp/Makefile.in: libcpp/configure.ac libcpp/aclocal.m4 150 libcpp/configure: libcpp/configure.ac libcpp/aclocal.m4 151 libgomp/aclocal.m4: libgomp/configure.ac libgomp/acinclude.m4 152 libgomp/Makefile.am: libgomp/plugin/Makefrag.am 153 libgomp/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4 154 libgomp/testsuite/Makefile.in: libgomp/testsuite/Makefile.am libgomp/aclocal.m4 155 libgomp/configure.ac: libgomp/plugin/configfrag.ac 156 libgomp/configure: libgomp/configure.ac libgomp/aclocal.m4 157 libgomp/config.h.in: libgomp/configure.ac libgomp/aclocal.m4 158 libgrust/Makefile.in: libgrust/Makefile.am libgrust/aclocal.m4 159 libgrust/aclocal.m4: libgrust/configure.ac 160 libgrust/configure: libgrust/configure.ac libgrust/aclocal.m4 161 libgrust/libproc_macro_internal/Makefile.in: libgrust/libproc_macro_internal/Makefile.am libgrust/aclocal.m4 162 libitm/aclocal.m4: libitm/configure.ac libitm/acinclude.m4 163 libitm/Makefile.in: libitm/Makefile.am libitm/aclocal.m4 164 libitm/testsuite/Makefile.in: libitm/testsuite/Makefile.am libitm/aclocal.m4 165 libitm/configure: libitm/configure.ac libitm/aclocal.m4 166 libitm/config.h.in: libitm/configure.ac libitm/aclocal.m4 167 libatomic/aclocal.m4: libatomic/configure.ac libatomic/acinclude.m4 168 libatomic/Makefile.in: libatomic/Makefile.am libatomic/aclocal.m4 169 libatomic/testsuite/Makefile.in: libatomic/testsuite/Makefile.am libatomic/aclocal.m4 170 libatomic/configure: libatomic/configure.ac libatomic/aclocal.m4 171 libatomic/auto-config.h.in: libatomic/configure.ac libatomic/aclocal.m4 172 libsanitizer/aclocal.m4: libsanitizer/configure.ac libsanitizer/acinclude.m4 173 libsanitizer/Makefile.in: libsanitizer/Makefile.am libsanitizer/aclocal.m4 174 libsanitizer/configure: libsanitizer/configure.ac libsanitizer/aclocal.m4 175 libsanitizer/asan/Makefile.in: libsanitizer/asan/Makefile.am libsanitizer/aclocal.m4 176 libsanitizer/interception/Makefile.in: libsanitizer/interception/Makefile.am libsanitizer/aclocal.m4 177 libsanitizer/sanitizer_common/Makefile.in: libsanitizer/sanitizer_common/Makefile.am libsanitizer/aclocal.m4 178 libvtv/aclocal.m4: libvtv/configure.ac libvtv/acinclude.m4 179 libvtv/Makefile.in: libvtv/Makefile.am libvtv/aclocal.m4 180 libvtv/configure: libvtv/configure.ac libvtv/aclocal.m4 181 libbacktrace/aclocal.m4: libbacktrace/configure.ac 182 libbacktrace/Makefile.in: libbacktrace/Makefile.am libbacktrace/aclocal.m4 183 libbacktrace/configure: libbacktrace/configure.ac libbacktrace/aclocal.m4 184 libbacktrace/config.h.in: libbacktrace/configure.ac libbacktrace/aclocal.m4 185 libphobos/Makefile.in: libphobos/Makefile.am libphobos/configure.ac libphobos/aclocal.m4 186 libphobos/aclocal.m4: libphobos/configure.ac libphobos/acinclude.m4 187 libphobos/config.h.in: libphobos/configure.ac libphobos/aclocal.m4 188 libphobos/configure: libphobos/configure.ac libphobos/aclocal.m4 189 libphobos/src/Makefile.in: libphobos/src/Makefile.am libphobos/aclocal.m4 190 libphobos/testsuite/Makefile.in: libphobos/testsuite/Makefile.am libphobos/aclocal.m4 191 libstdc++-v3/aclocal.m4: libstdc++-v3/configure.ac libstdc++-v3/acinclude.m4 192 libstdc++-v3/Makefile.in: libstdc++-v3/Makefile.am libstdc++-v3/aclocal.m4 193 libstdc++-v3/configure: libstdc++-v3/configure.ac libstdc++-v3/acinclude.m4 194 libstdc++-v3/include/bits/version.h: libstdc++-v3/include/bits/version.def libstdc++-v3/include/bits/version.tpl 195 libcc1/aclocal.m4: libcc1/configure.ac 196 libcc1/Makefile.in: libcc1/Makefile.am libcc1/configure.ac libcc1/aclocal.m4 197 libcc1/configure: libcc1/configure.ac 198 # Top level 199 Makefile.in: Makefile.tpl Makefile.def 200 configure: configure.ac config/acx.m4 201 EOF 202 } 203 204 205 # This function touches generated files such that the ``end'' user does 206 # not have to rebuild them. 207 touch_files () { 208 rm -f Makefile.$$ 209 echo 'all: \' > Makefile.$$ 210 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$ 211 echo '; @true' >> Makefile.$$ 212 files_and_dependencies | sed 's, ,: ,' >> Makefile.$$ 213 files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$ 214 echo ':' >> Makefile.$$ 215 echo ' @for f in $? $@; do test -f $$f || exit 0; done; \' >> Makefile.$$ 216 echo ' echo Touching $@...; \' >> Makefile.$$ 217 chat ' echo Touching $@... 1>&2; \' >> Makefile.$$ 218 echo ' touch $@' >> Makefile.$$ 219 files_and_dependencies | sed 's,[^ ]* ,,;s,$, :,' >> Makefile.$$ 220 221 # We would have to explicitly shut off the "Entering... Leaving..." 222 # messages through "--no-print-directory" to handle the case when 223 # we were called from a recursive invocation (i.e. "$(MAKE)" in a 224 # Makefile, not just make). Passing only "-s" doesn't help then, 225 # because make has helpfully added "-w" to MAKEFLAGS automatically. 226 # Unfortunately we do not require GNU make other than for building 227 # and testing, so let's just grep known text explicitly echoed by 228 # the rule. 229 while ${MAKE-make} -s -f Makefile.$$ all | grep Touching > /dev/null; do 230 sleep 1 231 done 2>&1 232 rm -f Makefile.$$ 233 } 234 235 236 # Whenever we update the tree or install a patch, we may be modifying 237 # this script. By re-execing it, we ensure that the appropriate 238 # dependencies and rules will be used. 239 touch_files_reexec () { 240 chat "Adjusting file timestamps" 241 exec ${CONFIG_SHELL-/bin/sh} $self ${silent+"--silent"} --touch 242 } 243 244 # This functions applies a patch to an existing tree. 245 apply_patch () { 246 if [ -f "$1" ]; then 247 echo "Applying patch file $1" 248 case $1 in 249 *gz) 250 gzip -d -c "$1" | patch -p1 ;; 251 *bz2) 252 bzip2 -d -c "$1" | patch -p1 ;; 253 *) 254 patch -p1 < "$1";; 255 esac 256 fi 257 touch_files_reexec 258 } 259 260 # Check whether this indeed looks like a local tree. 261 if [ ! -f gcc/reload.cc ]; then 262 echo "This does not seem to be a GCC tree!" 263 exit 264 fi 265 266 case "$1" in 267 --silent) 268 silent=t 269 shift 270 ;; 271 esac 272 273 case "$1" in 274 # First of all, check whether we are going to process a patch. 275 --patch) 276 if test "$#" != 2; then 277 echo "$1" expects only one argument >&2 278 exit 1 279 fi 280 apply_patch "${2}" 281 exit $? 282 ;; 283 284 --touch) 285 if test "$#" != 1; then 286 echo "$1" does not expect any argument >&2 287 exit 1 288 fi 289 touch_files 290 exit $? 291 ;; 292 293 --list) 294 if test "$#" != 1; then 295 echo "$1" does not expect any argument >&2 296 exit 1 297 fi 298 files_and_dependencies | sed 's/ /: /' 299 exit $? 300 ;; 301 302 --help) 303 sed -e '1,2d' -e '/^UPDATE_OPTIONS=/{i\ 304 \ 305 306 p 307 }' \ 308 -e '/^$/,$d' -e 's/#//' -e 's/^ //' < $0 309 exit $? 310 ;; 311 312 esac 313 314 # Check for known version control systems. 315 if [ -d .git ] || [ -f .git ]; then 316 GCC_GIT=${GCC_GIT-${GIT-git}} 317 vcs_type="git" 318 elif [ -d .hg ]; then 319 GCC_HG=${GCC_HG-${HG-hg}} 320 vcs_type="hg" 321 elif [ -d .svn ]; then 322 GCC_SVN=${GCC_SVN-${SVN-svn}} 323 vcs_type="svn" 324 else 325 echo "This does not seem to be a GCC GIT/HG/SVN tree!" 326 exit 327 fi 328 329 # Check command-line options 330 if [ x"${1}"x = x"--nostdflags"x ]; then 331 shift 332 else 333 set -- $UPDATE_OPTIONS ${1+"$@"} 334 fi 335 336 case $vcs_type in 337 git) 338 chat "Updating GIT tree" 339 340 $GCC_GIT diff --quiet --exit-code HEAD 341 if [ $? -ne 0 ]; then 342 echo "Attempting to update a dirty git tree!" >&2 343 echo "Commit or stash your changes first and retry." >&2 344 exit 1 345 fi 346 347 $GCC_GIT pull ${silent+-q} --rebase ${1+"$@"} 348 if [ $? -ne 0 ]; then 349 (touch_files_reexec) 350 echo "git pull of full tree failed." >&2 351 exit 1 352 fi 353 354 # Open-coded version of "git gcc-descr" from contrib/gcc-git-customization.sh 355 revision=`$GCC_GIT log -n1 --pretty=tformat:%h` 356 r=`$GCC_GIT describe --all --match 'basepoints/gcc-[0-9]*' HEAD \ 357 | sed -n 's,^\(tags/\)\?basepoints/gcc-\([0-9]\+\)-\([0-9]\+\)-g[0-9a-f]*$,r\2-\3,p;s,^\(tags/\)\?basepoints/gcc-\([0-9]\+\)$,r\2-0,p'`; 358 if test -n "$r"; then 359 o=`$GCC_GIT config --get gcc-config.upstream`; 360 rr=`echo $r | sed -n 's,^r\([0-9]\+\)-[0-9]\+\(-g[0-9a-f]\+\)\?$,\1,p'`; 361 if $GCC_GIT rev-parse --verify --quiet ${o:-origin}/releases/gcc-$rr >/dev/null; then 362 m=releases/gcc-$rr; 363 else 364 m=master; 365 fi; 366 if $GCC_GIT merge-base --is-ancestor HEAD ${o:-origin}/$m; then 367 revision=${r}-g${revision}; 368 fi 369 fi 370 branch=`$GCC_GIT name-rev --name-only HEAD || :` 371 ;; 372 373 hg) 374 chat "Updating HG tree" 375 376 # Add -q so untracked files aren't listed. 377 if [ `$GCC_HG status -q | wc -l` -gt 0 ]; then 378 echo "Attempting to update a dirty hg tree!" >&2 379 echo "Commit or revert your changes first and retry." >&2 380 exit 1 381 fi 382 383 # Check for mq extension. mq patches must be popped so tip has 384 # been converted from the SVN tree. 385 if [ -d .hg/patches ] && [ `$GCC_HG qapplied | wc -l` -gt 0 ]; then 386 # FIXME: Perhaps pop queue instead? We could do that since we 387 # know the tree is clean. 388 echo "Attempting to update hg tree with mq patches applied!" >&2 389 echo "Pop your patches first and retry." >&2 390 exit 1 391 fi 392 393 # Update tree, but make sure to only pull the default branch. 394 # Otherwise all branches in the upstream repo are added, even if 395 # only a single one has been cloned. 396 $GCC_HG pull ${silent+-q} -r`$GCC_HG branch` ${1+"$@"} 397 if [ $? -ne 0 ]; then 398 (touch_files_reexec) 399 echo "hg pull of full tree failed." >&2 400 exit 1 401 fi 402 403 # Update tree. Needs to be done separately from pull so 404 # gcc_update -rREV works. 405 $GCC_HG update ${silent+-q} ${1+"$@"} 406 if [ $? -ne 0 ]; then 407 (touch_files_reexec) 408 echo "hg update of full tree failed." >&2 409 exit 1 410 fi 411 412 # Extract SVN revision corresponding to parents, as stored by 413 # hg convert. Before hg 1.4.3, there's no template keyword 414 # corresponding to the extra: tag, so need to use hg log --debug 415 # to extract the info. 416 parents=`$GCC_HG parents --template '{rev}'` 417 convert_revision=`$GCC_HG log --debug -r$parents | \ 418 sed -ne "/^extra:.*convert_revision=svn:/ { 419 s%^[^/]*/%% 420 p 421 }"` 422 revision=`echo $convert_revision | sed -e 's/.*@//'` 423 branch=`echo $convert_revision | sed -e 's%branches/%%' -e 's/@.*//'` 424 ;; 425 426 svn) 427 chat "Updating SVN tree" 428 429 $GCC_SVN ${silent+-q} --non-interactive update ${1+"$@"} 430 if [ $? -ne 0 ]; then 431 (touch_files_reexec) 432 echo "SVN update of full tree failed." >&2 433 exit 1 434 fi 435 436 revision=`$GCC_SVN info | awk '/Revision:/ { print $2 }'` 437 branch=`$GCC_SVN info | sed -ne "/^URL:/ { 438 s,.*/trunk,trunk, 439 s,.*/branches/,, 440 s,.*/tags/,, 441 p 442 }"` 443 ;; 444 esac 445 446 rm -f LAST_UPDATED gcc/REVISION 447 { 448 date 449 echo "`TZ=UTC date` (revision $revision)" 450 } > LAST_UPDATED 451 echo "[$branch $revision]" > gcc/REVISION 452 453 touch_files_reexec 454
Indexes created Sat Apr 18 00:22:28 UTC 2026