#! /bin/sh # # Update a local Subversion, Git or Mercurial 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. # # (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, # 2010, 2011, 2012, 2013, 2014, 2015, 2017 Free Software Foundation # Originally by Gerald Pfeifer , 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` or `hg/git # pull` in addition to $UPDATE_OPTIONS (defined below). If the first parameter # reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself # are omitted. # # If the first parameter reads --patch, the second parameter is considered # a patch file. # # If the first parameter is --touch, no svn operation will be performed, # only generated files that appear to be out of date in the local tree # will be touched.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 8712 # contrib/gcc_update --patch some-patch # contrib/gcc_update --touch # contrib/gcc_update --list # Default options used when updating (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 # 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/plural-config.h: 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.ac gcc/cstamp-h.in: gcc/configure.ac gcc/config.in: gcc/cstamp-h.in gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def gcc/config/aarch64/aarch64-tune.md: gcc/config/aarch64/aarch64-cores.def gcc/config/aarch64/gentune.sh gcc/config/arm/arm-tune.md: gcc/config/arm/arm-cpus.in gcc/config/arm/parsecpu.awk gcc/config/arm/arm-tables.opt: gcc/config/arm/arm-cpus.in gcc/config/arm/parsecpu.awk gcc/config/c6x/c6x-tables.opt: gcc/config/c6x/c6x-isas.def gcc/config/c6x/genopt.sh gcc/config/c6x/c6x-sched.md: gcc/config/c6x/c6x-sched.md.in gcc/config/c6x/gensched.sh gcc/config/c6x/c6x-mult.md: gcc/config/c6x/c6x-mult.md.in gcc/config/c6x/genmult.sh gcc/config/loongarch/loongarch-str.h: gcc/config/loongarch/genopts/genstr.sh gcc/config/loongarch/genopts/loongarch-strings gcc/config/loongarch/loongarch.opt: gcc/config/loongarch/genopts/genstr.sh gcc/config/loongarch/genopts/loongarch.opt.in 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 gcc/config/mips/mips-tables.opt: gcc/config/mips/mips-cpus.def gcc/config/mips/genopt.sh gcc/config/rs6000/rs6000-tables.opt: gcc/config/rs6000/rs6000-cpus.def gcc/config/rs6000/genopt.sh gcc/config/rs6000/fusion.md: gcc/config/rs6000/genfusion.pl # And then, language-specific files gcc/cp/cfns.h: gcc/cp/cfns.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 # tools c++tools/configure: c++tools/configure.ac c++tools/config.h.in: c++tools/configure.ac # And libraries, at last 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 libquadmath/configure: libquadmath/configure.ac libquadmath/aclocal.m4 libquadmath/aclocal.m4: libquadmath/configure.ac libquadmath/acinclude.m4 libquadmath/Makefile.in: libquadmath/Makefile.am libquadmath/configure.ac libgfortran/aclocal.m4 libgfortran/configure: libgfortran/configure.ac libgfortran/aclocal.m4 libcody/configure: libcody/configure.ac libcody/config.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.am: libgomp/plugin/Makefrag.am libgomp/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4 libgomp/testsuite/Makefile.in: libgomp/testsuite/Makefile.am libgomp/aclocal.m4 libgomp/configure.ac: libgomp/plugin/configfrag.ac libgomp/configure: libgomp/configure.ac libgomp/aclocal.m4 libgomp/config.h.in: libgomp/configure.ac libgomp/aclocal.m4 libitm/aclocal.m4: libitm/configure.ac libitm/acinclude.m4 libitm/Makefile.in: libitm/Makefile.am libitm/aclocal.m4 libitm/testsuite/Makefile.in: libitm/testsuite/Makefile.am libitm/aclocal.m4 libitm/configure: libitm/configure.ac libitm/aclocal.m4 libitm/config.h.in: libitm/configure.ac libitm/aclocal.m4 libatomic/aclocal.m4: libatomic/configure.ac libatomic/acinclude.m4 libatomic/Makefile.in: libatomic/Makefile.am libatomic/aclocal.m4 libatomic/testsuite/Makefile.in: libatomic/testsuite/Makefile.am libatomic/aclocal.m4 libatomic/configure: libatomic/configure.ac libatomic/aclocal.m4 libatomic/auto-config.h.in: libatomic/configure.ac libatomic/aclocal.m4 libsanitizer/aclocal.m4: libsanitizer/configure.ac libsanitizer/acinclude.m4 libsanitizer/Makefile.in: libsanitizer/Makefile.am libsanitizer/aclocal.m4 libsanitizer/configure: libsanitizer/configure.ac libsanitizer/aclocal.m4 libsanitizer/asan/Makefile.in: libsanitizer/asan/Makefile.am libsanitizer/aclocal.m4 libsanitizer/interception/Makefile.in: libsanitizer/interception/Makefile.am libsanitizer/aclocal.m4 libsanitizer/sanitizer_common/Makefile.in: libsanitizer/sanitizer_common/Makefile.am libsanitizer/aclocal.m4 libvtv/aclocal.m4: libvtv/configure.ac libvtv/acinclude.m4 libvtv/Makefile.in: libvtv/Makefile.am libvtv/aclocal.m4 libvtv/configure: libvtv/configure.ac libvtv/aclocal.m4 liboffloadmic/aclocal.m4: liboffloadmic/configure.ac liboffloadmic/Makefile.in: liboffloadmic/Makefile.am liboffloadmic/configure: liboffloadmic/configure.ac liboffloadmic/plugin/aclocal.m4: liboffloadmic/plugin/configure.ac liboffloadmic/plugin/Makefile.in: liboffloadmic/plugin/Makefile.am liboffloadmic/plugin/configure: liboffloadmic/plugin/configure.ac libbacktrace/aclocal.m4: libbacktrace/configure.ac libbacktrace/Makefile.in: libbacktrace/Makefile.am libbacktrace/aclocal.m4 libbacktrace/configure: libbacktrace/configure.ac libbacktrace/aclocal.m4 libbacktrace/config.h.in: libbacktrace/configure.ac libbacktrace/aclocal.m4 libphobos/Makefile.in: libphobos/Makefile.am libphobos/configure.ac libphobos/aclocal.m4 libphobos/aclocal.m4: libphobos/configure.ac libphobos/acinclude.m4 libphobos/config.h.in: libphobos/configure.ac libphobos/aclocal.m4 libphobos/configure: libphobos/configure.ac libphobos/aclocal.m4 libphobos/src/Makefile.in: libphobos/src/Makefile.am libphobos/aclocal.m4 libphobos/testsuite/Makefile.in: libphobos/testsuite/Makefile.am libphobos/aclocal.m4 # Top level Makefile.in: Makefile.tpl Makefile.def configure: configure.ac config/acx.m4 EOF } # This function touches generated files such that the ``end'' user does # not have to rebuild them. touch_files () { 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 () { 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 echo "Applying patch file $1" case $1 in *gz) gzip -d -c "$1" | patch -p1 ;; *bz2) bzip2 -d -c "$1" | patch -p1 ;; *) patch -p1 < "$1";; esac fi touch_files_reexec } # Check whether this indeed looks like a local tree. if [ ! -f gcc/reload.cc ]; then echo "This does not seem to be a GCC tree!" exit fi case "$1" in --silent) silent=t shift ;; esac case "$1" in # First of all, check whether we are going to process a patch. --patch) if test "$#" != 2; then echo "$1" expects only one argument >&2 exit 1 fi apply_patch "${2}" exit $? ;; --touch) if test "$#" != 1; then echo "$1" does not expect any argument >&2 exit 1 fi touch_files exit $? ;; --list) if test "$#" != 1; then echo "$1" does not expect any argument >&2 exit 1 fi files_and_dependencies | sed 's/ /: /' exit $? ;; --help) sed -e '1,2d' -e '/^UPDATE_OPTIONS=/{i\ \ p }' \ -e '/^$/,$d' -e 's/#//' -e 's/^ //' < $0 exit $? ;; esac # Check for known version control systems. if [ -d .git ] || [ -f .git ]; then GCC_GIT=${GCC_GIT-${GIT-git}} vcs_type="git" elif [ -d .hg ]; then GCC_HG=${GCC_HG-${HG-hg}} vcs_type="hg" elif [ -d .svn ]; then GCC_SVN=${GCC_SVN-${SVN-svn}} vcs_type="svn" else echo "This does not seem to be a GCC GIT/HG/SVN tree!" exit fi # Check command-line options if [ x"${1}"x = x"--nostdflags"x ]; then shift else set -- $UPDATE_OPTIONS ${1+"$@"} fi case $vcs_type in git) chat "Updating GIT tree" $GCC_GIT diff --quiet --exit-code HEAD if [ $? -ne 0 ]; then echo "Attempting to update a dirty git tree!" >&2 echo "Commit or stash your changes first and retry." >&2 exit 1 fi $GCC_GIT pull ${silent+-q} --rebase ${1+"$@"} if [ $? -ne 0 ]; then (touch_files_reexec) echo "git pull of full tree failed." >&2 exit 1 fi # Open-coded version of "git gcc-descr" from contrib/gcc-git-customization.sh revision=`$GCC_GIT log -n1 --pretty=tformat:%h` r=`$GCC_GIT describe --all --match 'basepoints/gcc-[0-9]*' HEAD \ | 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'`; if test -n $r; then o=`$GCC_GIT config --get gcc-config.upstream`; rr=`echo $r | sed -n 's,^r\([0-9]\+\)-[0-9]\+\(-g[0-9a-f]\+\)\?$,\1,p'`; if $GCC_GIT rev-parse --verify --quiet ${o:-origin}/releases/gcc-$rr >/dev/null; then m=releases/gcc-$rr; else m=master; fi; if $GCC_GIT merge-base --is-ancestor HEAD ${o:-origin}/$m; then revision=${r}-g${revision}; fi fi branch=`$GCC_GIT name-rev --name-only HEAD || :` ;; hg) chat "Updating HG tree" # Add -q so untracked files aren't listed. if [ `$GCC_HG status -q | wc -l` -gt 0 ]; then echo "Attempting to update a dirty hg tree!" >&2 echo "Commit or revert your changes first and retry." >&2 exit 1 fi # Check for mq extension. mq patches must be popped so tip has # been converted from the SVN tree. if [ -d .hg/patches ] && [ `$GCC_HG qapplied | wc -l` -gt 0 ]; then # FIXME: Perhaps pop queue instead? We could do that since we # know the tree is clean. echo "Attempting to update hg tree with mq patches applied!" >&2 echo "Pop your patches first and retry." >&2 exit 1 fi # Update tree, but make sure to only pull the default branch. # Otherwise all branches in the upstream repo are added, even if # only a single one has been cloned. $GCC_HG pull ${silent+-q} -r`$GCC_HG branch` ${1+"$@"} if [ $? -ne 0 ]; then (touch_files_reexec) echo "hg pull of full tree failed." >&2 exit 1 fi # Update tree. Needs to be done separately from pull so # gcc_update -rREV works. $GCC_HG update ${silent+-q} ${1+"$@"} if [ $? -ne 0 ]; then (touch_files_reexec) echo "hg update of full tree failed." >&2 exit 1 fi # Extract SVN revision corresponding to parents, as stored by # hg convert. Before hg 1.4.3, there's no template keyword # corresponding to the extra: tag, so need to use hg log --debug # to extract the info. parents=`$GCC_HG parents --template '{rev}'` convert_revision=`$GCC_HG log --debug -r$parents | \ sed -ne "/^extra:.*convert_revision=svn:/ { s%^[^/]*/%% p }"` revision=`echo $convert_revision | sed -e 's/.*@//'` branch=`echo $convert_revision | sed -e 's%branches/%%' -e 's/@.*//'` ;; svn) chat "Updating SVN tree" $GCC_SVN ${silent+-q} --non-interactive update ${1+"$@"} if [ $? -ne 0 ]; then (touch_files_reexec) echo "SVN update of full tree failed." >&2 exit 1 fi revision=`$GCC_SVN info | awk '/Revision:/ { print $2 }'` branch=`$GCC_SVN info | sed -ne "/^URL:/ { s,.*/trunk,trunk, s,.*/branches/,, s,.*/tags/,, p }"` ;; esac rm -f LAST_UPDATED gcc/REVISION { date echo "`TZ=UTC date` (revision $revision)" } > LAST_UPDATED echo "[$branch $revision]" > gcc/REVISION touch_files_reexec