8424cc978c
For a forthcoming patch, I need a "skip_to_colon" function. I noticed there are two skip_to_semicolon (one in gdb and one in gdbserver). I thought we could put it in common/, and generalize it for any character. It turns out that the strchrnul function does exactly that. I imported the corresponding module from gnulib, for those systems that do not have it. There are probably more places where this function can be used instead of doing the work by hand (I am looking at remote-utils.c::look_up_one_symbol). gdb/ChangeLog: * remote.c (skip_to_semicolon): Remove. (remote_parse_stop_reply): Use strchrnul instead of skip_to_semicolon. * gnulib/update-gnulib.sh (IMPORTED_GNULIB_MODULES): Add strchrnul. * gnulib/aclocal.m4: Regenerate. * gnulib/config.in: Regenerate. * gnulib/configure: Regenerate. * gnulib/import/Makefile.am: Regenerate. * gnulib/import/Makefile.in: Regenerate. * gnulib/import/m4/gnulib-cache.m4: Regenerate. * gnulib/import/m4/gnulib-comp.m4: Regenerate. * gnulib/import/m4/rawmemchr.m4: New file. * gnulib/import/m4/strchrnul.m4: New file. * gnulib/import/rawmemchr.c: New file. * gnulib/import/rawmemchr.valgrind: New file. * gnulib/import/strchrnul.c: New file. * gnulib/import/strchrnul.valgrind: New file. gdb/gdbserver/ChangeLog: * server.c (skip_to_semicolon): Remove. (process_point_options): Use strchrnul instead of skip_to_semicolon.
159 lines
4.9 KiB
Bash
Executable file
159 lines
4.9 KiB
Bash
Executable file
#! /bin/sh
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# Copyright (C) 2011-2016 Free Software Foundation, Inc.
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#
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# This file is part of GDB.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Usage: update-gnulib.sh <path-to-gnulib-repository>
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# Update our import of gnulib in the GDB source tree.
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#
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# This script assumes that it is being called from the gdb/gnulib
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# subdirectory, and will verify this before proceeding.
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#
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# This script will also make a number of other verifications:
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# . The gnulib version (it should match $GNULIB_COMMIT_SHA1).
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# . The correct versions of the auto-tools that are used to
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# regenerate the various scripts and Makefiles are on the PATH.
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# The list of gnulib modules we are importing in GDB.
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IMPORTED_GNULIB_MODULES="\
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alloca \
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canonicalize-lgpl \
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dirent \
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dirfd \
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errno \
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fnmatch-gnu \
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frexpl \
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inttypes \
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lstat \
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memchr \
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memmem \
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pathmax \
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readlink \
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rename \
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signal-h \
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strchrnul \
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strstr \
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strtok_r \
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sys_stat \
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unistd \
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update-copyright \
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wchar \
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wctype-h \
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"
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# The gnulib commit ID to use for the update.
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GNULIB_COMMIT_SHA1="1029a8112290f6eee9d7878a391c49db42c999bd"
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# The expected version number for the various auto tools we will
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# use after the import.
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AUTOCONF_VERSION="2.64"
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AUTOMAKE_VERSION="1.11.1"
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ACLOCAL_VERSION="$AUTOMAKE_VERSION"
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if [ $# -ne 1 ]; then
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echo "Error: Path to gnulib repository missing. Aborting."
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echo "Usage: update-gnulib.sh <path-to-gnulib-repository>"
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exit 1
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fi
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gnulib_prefix=$1
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gnulib_tool="$gnulib_prefix/gnulib-tool"
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# Verify that the gnulib directory does exist...
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if [ ! -f "$gnulib_tool" ]; then
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echo "Error: Invalid gnulib directory. Cannot find gnulib tool"
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echo " ($gnulib_tool)."
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echo "Aborting."
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exit 1
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fi
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# Verify that we have the right version of gnulib...
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gnulib_head_sha1=`cd $gnulib_prefix && git rev-parse HEAD`
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if [ "$gnulib_head_sha1" != "$GNULIB_COMMIT_SHA1" ]; then
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echo "Error: Wrong version of gnulib: $gnulib_head_sha1"
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echo " (we expected it to be $GNULIB_COMMIT_SHA1)"
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echo "Aborting."
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exit 1
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fi
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# Verify that we are in the gdb/ subdirectory.
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if [ ! -f ../main.c -o ! -d import ]; then
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echo "Error: This script should be called from the gdb/gnulib subdirectory."
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echo "Aborting."
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exit 1
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fi
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# Verify that we have the correct version of autoconf.
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ver=`autoconf --version 2>&1 | head -1 | sed 's/.*) //'`
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if [ "$ver" != "$AUTOCONF_VERSION" ]; then
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echo "Error: Wrong autoconf version: $ver. Aborting."
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exit 1
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fi
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# Verify that we have the correct version of automake.
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ver=`automake --version 2>&1 | head -1 | sed 's/.*) //'`
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if [ "$ver" != "$AUTOMAKE_VERSION" ]; then
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echo "Error: Wrong automake version ($ver), we need $AUTOMAKE_VERSION."
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echo "Aborting."
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exit 1
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fi
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# Verify that we have the correct version of aclocal.
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#
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# The grep below is needed because Perl >= 5.16 dumps a "called too
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# early to check prototype" warning when running aclocal 1.11.1. This
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# causes trouble below, because the warning is the first line output
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# by aclocal, resulting in:
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#
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# $ sh ./update-gnulib.sh ~/src/gnulib/src/
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# Error: Wrong aclocal version: called too early to check prototype at /opt/automake-1.11.1/bin/aclocal line 617.. Aborting.
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#
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# Some distros carry an automake patch for that:
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# https://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=aclocal-function-prototypes.debdiff;att=1;bug=752784
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#
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# But since we prefer pristine FSF versions of autotools, work around
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# the issue here. This can be removed later when we bump the required
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# automake version.
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#
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ver=`aclocal --version 2>&1 | grep -v "called too early to check prototype" | head -1 | sed 's/.*) //'`
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if [ "$ver" != "$ACLOCAL_VERSION" ]; then
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echo "Error: Wrong aclocal version: $ver. Aborting."
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exit 1
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fi
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# Update our gnulib import.
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$gnulib_prefix/gnulib-tool --import --dir=. --lib=libgnu \
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--source-base=import --m4-base=import/m4 --doc-base=doc \
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--tests-base=tests --aux-dir=import/extra \
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--no-conditional-dependencies --no-libtool --macro-prefix=gl \
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--no-vc-files \
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$IMPORTED_GNULIB_MODULES
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if [ $? -ne 0 ]; then
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echo "Error: gnulib import failed. Aborting."
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exit 1
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fi
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# Regenerate all necessary files...
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aclocal -Iimport/m4 &&
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autoconf &&
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autoheader &&
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automake
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if [ $? -ne 0 ]; then
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echo "Error: Failed to regenerate Makefiles and configure scripts."
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exit 1
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fi
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