mirror of
https://github.com/autc04/Retro68.git
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409 lines
15 KiB
Bash
Executable File
409 lines
15 KiB
Bash
Executable File
#! /bin/sh
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#
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# Update a local Subversion, Git or Mercurial tree from the GCC
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# repository, with an emphasis on treating generated files correctly, so
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# that autoconf, gperf et al are not required for the ``end'' user.
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#
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# (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010,
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# 2011 Free Software Foundation
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# Originally by Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>, August 1998.
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#
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# This script is Free Software, and it can be copied, distributed and
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# modified as defined in the GNU General Public License. A copy of
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# its license can be downloaded from http://www.gnu.org/copyleft/gpl.html
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#
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#
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# By default all command-line options are passed to `svn update` or `hg/git
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# pull` in addition to $UPDATE_OPTIONS (defined below). If the first parameter
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# reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself
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# are omitted.
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#
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# If the first parameter reads --patch, the second parameter is considered
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# a patch file.
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#
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# If the first parameter is --touch, no svn operation will be performed,
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# only generated files that appear to be out of date in the local tree
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# will be touched.
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#
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# If the first parameter is --list, a list of the generated files and
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# their dependencies will be printed; --help prints this message.
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#
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# If the first parameter is --silent, this script prints nothing other
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# than error messages; the second parameter is then interpreted as above.
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#
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# Examples:
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#
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# contrib/gcc_update -r 8712
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# contrib/gcc_update --patch some-patch
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# contrib/gcc_update --touch
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# contrib/gcc_update --list
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# Default options used when updating (none).
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UPDATE_OPTIONS=""
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# Set the locale to C to make this script work for users with foreign
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# locale like e.g. French UTF-8.
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LANG=C
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LC_ALL=C
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export LANG LC_ALL
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######## Anything below shouldn't be changed by regular users.
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# Arrange for the value of $0 to be available for functions
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self=$0
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# This function prints its arguments to standard output unless
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# "silent" is set.
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unset silent
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chat () {
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if [ -z "$silent" ]; then
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echo "$@"
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fi
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}
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# This function prints a list of all generated files, along with their
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# dependencies. Note that only one target is supported per line: the
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# colon is stripped from the output.
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files_and_dependencies () {
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sed -e 's/ *#.*//' -e '/^$/d' -e 's/://' <<\EOF
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# fixincludes
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fixincludes/configure: fixincludes/configure.ac fixincludes/aclocal.m4
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fixincludes/config.h.in: fixincludes/configure.ac fixincludes/aclocal.m4
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# intl library
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intl/plural.c: intl/plural.y
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intl/configure: intl/configure.ac intl/aclocal.m4
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intl/config.h.in: intl/configure.ac intl/aclocal.m4
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# Now, proceed to gcc automatically generated files
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gcc/configure: gcc/configure.ac
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gcc/cstamp-h.in: gcc/configure.ac
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gcc/config.in: gcc/cstamp-h.in
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gcc/fixinc/fixincl.x: gcc/fixinc/fixincl.tpl gcc/fixinc/inclhack.def
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gcc/config/aarch64/aarch64-tune.md: gcc/config/aarch64/aarch64-cores.def gcc/config/aarch64/gentune.sh
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gcc/config/arm/arm-tune.md: gcc/config/arm/arm-cores.def gcc/config/arm/gentune.sh
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gcc/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
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gcc/config/avr/avr-tables.opt: gcc/config/avr/avr-mcus.def gcc/config/avr/genopt.sh
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gcc/config/avr/t-multilib: gcc/config/avr/avr-mcus.def gcc/config/avr/genmultilib.awk
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gcc/config/c6x/c6x-tables.opt: gcc/config/c6x/c6x-isas.def gcc/config/c6x/genopt.sh
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gcc/config/c6x/c6x-sched.md: gcc/config/c6x/c6x-sched.md.in gcc/config/c6x/gensched.sh
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gcc/config/c6x/c6x-mult.md: gcc/config/c6x/c6x-mult.md.in gcc/config/c6x/genmult.sh
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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
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gcc/config/mips/mips-tables.opt: gcc/config/mips/mips-cpus.def gcc/config/mips/genopt.sh
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gcc/config/rs6000/rs6000-tables.opt: gcc/config/rs6000/rs6000-cpus.def gcc/config/rs6000/genopt.sh
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gcc/config/tilegx/mul-tables.c: gcc/config/tilepro/gen-mul-tables.cc
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gcc/config/tilepro/mul-tables.c: gcc/config/tilepro/gen-mul-tables.cc
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# And then, language-specific files
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gcc/cp/cfns.h: gcc/cp/cfns.gperf
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gcc/java/keyword.h: gcc/java/keyword.gperf
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# testsuite
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# Without this, _Pragma3.c can have a false negative.
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gcc/testsuite/gcc.dg/cpp/_Pragma3.c: gcc/testsuite/gcc.dg/cpp/mi1c.h
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# Similarly, without this, you will see:
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# direct2s.c:35: warning: current file is older than direct2.c
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gcc/testsuite/gcc.dg/cpp/direct2s.c: gcc/testsuite/gcc.dg/cpp/direct2.c
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# lto-plugin
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lto-plugin/configure: lto-plugin/configure.ac lto-plugin/aclocal.m4
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lto-plugin/Makefile.in: lto-plugin/Makefile.am lto-plugin/aclocal.m4
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# And libraries, at last
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libbanshee/configure: libbanshee/configure.ac
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libmudflap/configure: libmudflap/configure.ac
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libobjc/configure: libobjc/configure.ac
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zlib/aclocal.m4: zlib/configure.ac zlib/acinclude.m4
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zlib/Makefile.in: zlib/Makefile.am zlib/configure.ac zlib/aclocal.m4
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zlib/configure: zlib/configure.ac zlib/aclocal.m4
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fastjar/aclocal.m4: fastjar/configure.ac
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fastjar/Makefile.in: fastjar/Makefile.am fastjar/configure.ac fastjar/aclocal.m4
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fastjar/configure: fastjar/configure.ac fastjar/aclocal.m4
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boehm-gc/aclocal.m4: boehm-gc/configure.ac
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boehm-gc/Makefile.in: boehm-gc/Makefile.am boehm-gc/configure.ac boehm-gc/aclocal.m4
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boehm-gc/configure: boehm-gc/configure.ac boehm-gc/aclocal.m4
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libada/configure: libada/configure.ac
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libffi/aclocal.m4: libffi/configure.ac libffi/acinclude.m4
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libffi/Makefile.in: libffi/Makefile.am libffi/configure.ac libffi/aclocal.m4
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libffi/configure: libffi/configure.ac libffi/aclocal.m4
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libffi/fficonfig.h.in: libffi/configure.ac libffi/aclocal.m4
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libgfortran/aclocal.m4: libgfortran/configure.ac libgfortran/acinclude.m4
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libgfortran/Makefile.in: libgfortran/Makefile.am libgfortran/configure.ac libgfortran/aclocal.m4
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libquadmath/configure: libquadmath/configure.ac libquadmath/aclocal.m4
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libquadmath/aclocal.m4: libquadmath/configure.ac libquadmath/acinclude.m4
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libquadmath/Makefile.in: libquadmath/Makefile.am libquadmath/configure.ac libgfortran/aclocal.m4
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libgfortran/configure: libgfortran/configure.ac libgfortran/aclocal.m4
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libjava/aclocal.m4: libjava/configure.ac
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libjava/Makefile.in: libjava/Makefile.am libjava/configure.ac libjava/aclocal.m4
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libjava/configure: libjava/configure.ac libjava/aclocal.m4
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libjava/libltdl/aclocal.m4: libjava/libltdl/configure.ac libjava/libltdl/acinclude.m4
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libjava/libltdl/Makefile.in: libjava/libltdl/Makefile.am libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
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libjava/libltdl/configure: libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
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libjava/libltdl/config-h.in: libjava/libltdl/configure.ac libjava/libltdl/aclocal.m4
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libcpp/aclocal.m4: libcpp/configure.ac
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libcpp/Makefile.in: libcpp/configure.ac libcpp/aclocal.m4
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libcpp/configure: libcpp/configure.ac libcpp/aclocal.m4
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libgomp/aclocal.m4: libgomp/configure.ac libgomp/acinclude.m4
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libgomp/Makefile.in: libgomp/Makefile.am libgomp/aclocal.m4
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libgomp/testsuite/Makefile.in: libgomp/testsuite/Makefile.am libgomp/aclocal.m4
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libgomp/configure: libgomp/configure.ac libgomp/aclocal.m4
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libgomp/config.h.in: libgomp/configure.ac libgomp/aclocal.m4
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libitm/aclocal.m4: libitm/configure.ac libitm/acinclude.m4
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libitm/Makefile.in: libitm/Makefile.am libitm/aclocal.m4
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libitm/testsuite/Makefile.in: libitm/testsuite/Makefile.am libitm/aclocal.m4
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libitm/configure: libitm/configure.ac libitm/aclocal.m4
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libitm/config.h.in: libitm/configure.ac libitm/aclocal.m4
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libatomic/aclocal.m4: libatomic/configure.ac libatomic/acinclude.m4
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libatomic/Makefile.in: libatomic/Makefile.am libatomic/aclocal.m4
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libatomic/testsuite/Makefile.in: libatomic/testsuite/Makefile.am libatomic/aclocal.m4
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libatomic/configure: libatomic/configure.ac libatomic/aclocal.m4
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libatomic/auto-config.h.in: libatomic/configure.ac libatomic/aclocal.m4
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libsanitizer/aclocal.m4: libsanitizer/configure.ac libsanitizer/acinclude.m4
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libsanitizer/Makefile.in: libsanitizer/Makefile.am libsanitizer/aclocal.m4
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libsanitizer/configure: libsanitizer/configure.ac libsanitizer/aclocal.m4
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libsanitizer/asan/Makefile.in: libsanitizer/asan/Makefile.am libsanitizer/aclocal.m4
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libsanitizer/interception/Makefile.in: libsanitizer/interception/Makefile.am libsanitizer/aclocal.m4
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libsanitizer/sanitizer_common/Makefile.in: libsanitizer/sanitizer_common/Makefile.am libsanitizer/aclocal.m4
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libvtv/aclocal.m4: libvtv/configure.ac libvtv/acinclude.m4
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libvtv/Makefile.in: libvtv/Makefile.am libvtv/aclocal.m4
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libvtv/configure: libvtv/configure.ac libvtv/aclocal.m4
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libcilkrts/aclocal.m4: libcilkrts/configure.ac
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libcilkrts/Makefile.in: libcilkrts/Makefile.am
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libcilkrts/configure: libcilkrts/configure.ac
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# Top level
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Makefile.in: Makefile.tpl Makefile.def
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configure: configure.ac config/acx.m4
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EOF
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}
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# This function touches generated files such that the ``end'' user does
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# not have to rebuild them.
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touch_files () {
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rm -f Makefile.$$
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echo 'all: \' > Makefile.$$
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files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$
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echo '; @true' >> Makefile.$$
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files_and_dependencies | sed 's, ,: ,' >> Makefile.$$
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files_and_dependencies | sed 's, .*, \\,' >> Makefile.$$
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echo ':' >> Makefile.$$
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echo ' @for f in $? $@; do test -f $$f || exit 0; done; \' >> Makefile.$$
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echo ' echo Touching $@...; \' >> Makefile.$$
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chat ' echo Touching $@... 1>&2; \' >> Makefile.$$
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echo ' touch $@' >> Makefile.$$
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files_and_dependencies | sed 's,[^ ]* ,,;s,$, :,' >> Makefile.$$
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# We would have to explicitly shut off the "Entering... Leaving..."
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# messages through "--no-print-directory" to handle the case when
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# we were called from a recursive invocation (i.e. "$(MAKE)" in a
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# Makefile, not just make). Passing only "-s" doesn't help then,
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# because make has helpfully added "-w" to MAKEFLAGS automatically.
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# Unfortunately we do not require GNU make other than for building
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# and testing, so let's just grep known text explicitly echoed by
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# the rule.
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while ${MAKE-make} -s -f Makefile.$$ all | grep Touching > /dev/null; do
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sleep 1
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done 2>&1
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rm -f Makefile.$$
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}
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# Whenever we update the tree or install a patch, we may be modifying
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# this script. By re-execing it, we ensure that the appropriate
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# dependencies and rules will be used.
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touch_files_reexec () {
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chat "Adjusting file timestamps"
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exec ${CONFIG_SHELL-/bin/sh} $self ${silent+"--silent"} --touch
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}
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# This functions applies a patch to an existing tree.
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apply_patch () {
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if [ -f "$1" ]; then
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echo "Applying patch file $1"
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case $1 in
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*gz)
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gzip -d -c "$1" | patch -p1 ;;
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*bz2)
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bzip2 -d -c "$1" | patch -p1 ;;
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*)
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patch -p1 < "$1";;
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esac
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fi
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touch_files_reexec
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}
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# Check whether this indeed looks like a local tree.
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if [ ! -f gcc/version.c ]; then
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echo "This does not seem to be a GCC tree!"
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exit
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fi
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case "$1" in
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--silent)
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silent=t
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shift
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;;
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esac
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case "$1" in
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# First of all, check whether we are going to process a patch.
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--patch)
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if test "$#" != 2; then
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echo "$1" expects only one argument >&2
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exit 1
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fi
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apply_patch "${2}"
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exit $?
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;;
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--touch)
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if test "$#" != 1; then
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echo "$1" does not expect any argument >&2
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exit 1
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fi
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touch_files
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exit $?
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;;
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--list)
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if test "$#" != 1; then
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echo "$1" does not expect any argument >&2
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exit 1
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fi
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files_and_dependencies | sed 's/ /: /'
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exit $?
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;;
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--help)
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sed -e '1,2d' -e '/^UPDATE_OPTIONS=/{i\
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\
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p
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}' \
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-e '/^$/,$d' -e 's/#//' -e 's/^ //' < $0
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exit $?
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;;
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esac
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# Check for known version control systems.
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if [ -d .git ]; then
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GCC_GIT=${GCC_GIT-${GIT-git}}
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vcs_type="git"
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elif [ -d .hg ]; then
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GCC_HG=${GCC_HG-${HG-hg}}
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vcs_type="hg"
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elif [ -d .svn ]; then
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GCC_SVN=${GCC_SVN-${SVN-svn}}
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vcs_type="svn"
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else
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echo "This does not seem to be a GCC GIT/HG/SVN tree!"
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exit
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fi
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# Check command-line options
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if [ x"${1}"x = x"--nostdflags"x ]; then
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shift
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else
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set -- $UPDATE_OPTIONS ${1+"$@"}
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fi
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case $vcs_type in
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git)
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chat "Updating GIT tree"
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$GCC_GIT diff --quiet --exit-code HEAD
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if [ $? -ne 0 ]; then
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echo "Attempting to update a dirty git tree!" >&2
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echo "Commit or stash your changes first and retry." >&2
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exit 1
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fi
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$GCC_GIT pull ${silent+-q} --rebase ${1+"$@"}
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if [ $? -ne 0 ]; then
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(touch_files_reexec)
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echo "git pull of full tree failed." >&2
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exit 1
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fi
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revision=`$GCC_GIT log -n1 --pretty=%p:%t:%H`
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branch=`$GCC_GIT name-rev --name-only HEAD || :`
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;;
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hg)
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chat "Updating HG tree"
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# Add -q so untracked files aren't listed.
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if [ `$GCC_HG status -q | wc -l` -gt 0 ]; then
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echo "Attempting to update a dirty hg tree!" >&2
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echo "Commit or revert your changes first and retry." >&2
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exit 1
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fi
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# Check for mq extension. mq patches must be popped so tip has
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# been converted from the SVN tree.
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if [ -d .hg/patches ] && [ `$GCC_HG qapplied | wc -l` -gt 0 ]; then
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# FIXME: Perhaps pop queue instead? We could do that since we
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# know the tree is clean.
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echo "Attempting to update hg tree with mq patches applied!" >&2
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echo "Pop your patches first and retry." >&2
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exit 1
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fi
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# Update tree, but make sure to only pull the default branch.
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# Otherwise all branches in the upstream repo are added, even if
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# only a single one has been cloned.
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$GCC_HG pull ${silent+-q} -r`$GCC_HG branch` ${1+"$@"}
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if [ $? -ne 0 ]; then
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(touch_files_reexec)
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echo "hg pull of full tree failed." >&2
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exit 1
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fi
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# Update tree. Needs to be done separately from pull so
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# gcc_update -rREV works.
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$GCC_HG update ${silent+-q} ${1+"$@"}
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if [ $? -ne 0 ]; then
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(touch_files_reexec)
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echo "hg update of full tree failed." >&2
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exit 1
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fi
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# Extract SVN revision corresponding to parents, as stored by
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# hg convert. Before hg 1.4.3, there's no template keyword
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# corresponding to the extra: tag, so need to use hg log --debug
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# to extract the info.
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parents=`$GCC_HG parents --template '{rev}'`
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convert_revision=`$GCC_HG log --debug -r$parents | \
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sed -ne "/^extra:.*convert_revision=svn:/ {
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s%^[^/]*/%%
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p
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}"`
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revision=`echo $convert_revision | sed -e 's/.*@//'`
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branch=`echo $convert_revision | sed -e 's%branches/%%' -e 's/@.*//'`
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;;
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svn)
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chat "Updating SVN tree"
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$GCC_SVN ${silent+-q} --non-interactive update ${1+"$@"}
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if [ $? -ne 0 ]; then
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(touch_files_reexec)
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echo "SVN update of full tree failed." >&2
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exit 1
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fi
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revision=`$GCC_SVN info | awk '/Revision:/ { print $2 }'`
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branch=`$GCC_SVN info | sed -ne "/^URL:/ {
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s,.*/trunk,trunk,
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s,.*/branches/,,
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s,.*/tags/,,
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p
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}"`
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;;
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esac
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rm -f LAST_UPDATED gcc/REVISION
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{
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date
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echo "`TZ=UTC date` (revision $revision)"
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} > LAST_UPDATED
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echo "[$branch revision $revision]" > gcc/REVISION
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touch_files_reexec
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