c334c130bd
2010-04-22 Basile Starynkevitch <basile@starynkevitch.net> * gcc_update: Sets the locale to C. From-SVN: r158629
287 lines
9.2 KiB
Bash
Executable File
287 lines
9.2 KiB
Bash
Executable File
#! /bin/sh
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#
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# Update a local Subversion tree from the GCC repository, with an emphasis
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# on treating generated files correctly, so that autoconf, gperf et
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# 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 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` in
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# addition to $UPDATE_OPTIONS (defined below). If the first parameter
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# reads --nostdflags, $UPDATE_OPTIONS as well as this parameter itself
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# are omitted.
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#
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# If the first parameter reads --patch, the second parameter is considered
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# a patch file.
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#
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# If the first parameter is --touch, no svn operation will be performed,
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# only generated files that appear to be out of date in the local tree
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# will be touched.
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#
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# If the first parameter is --list, a list of the generated files and
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# their dependencies will be printed; --help prints this message.
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#
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# If the first parameter is --silent, this script prints nothing other
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# than error messages; the second parameter is then interpreted as above.
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#
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# Examples:
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#
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# contrib/gcc_update -r 8712
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# contrib/gcc_update --patch some-patch
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# contrib/gcc_update --touch
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# contrib/gcc_update --list
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# SVN command
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GCC_SVN=${GCC_SVN-${SVN-svn}}
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# Default options used when updating via SVN (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/arm/arm-tune.md: gcc/config/arm/arm-cores.def gcc/config/arm/gentune.sh
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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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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/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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# 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 $?
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;;
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esac
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# Check whether this indeed looks like a local SVN tree.
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if [ ! -d .svn ]; then
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echo "This does not seem to be a GCC SVN tree!"
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exit
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fi
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# Check command-line options
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if [ x"${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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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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rm -f LAST_UPDATED gcc/REVISION
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revision=`svn info | awk '/Revision:/ { print $2 }'`
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branch=`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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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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