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Add script to download and build multiple versions of gdb automatically
This script can be used to download and build automatically multiple versions of gdb, which is necessary when working on the CDT debug tests. Change-Id: Ibf9ddac4efe8f80f480ae2bc9702b722bdc97192 Signed-off-by: Simon Marchi <simon.marchi@polymtl.ca> Reviewed-on: https://git.eclipse.org/r/38737 Tested-by: Hudson CI Reviewed-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com> Tested-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com> Reviewed-by: Marc Khouzam <marc.khouzam@ericsson.com> Tested-by: Marc Khouzam <marc.khouzam@ericsson.com>
This commit is contained in:
Simon Marchi
Marc Khouzam
parent
13ed63ea3a
commit
6a7b37ca6a
1 changed files with 328 additions and 0 deletions
328
dsf-gdb/org.eclipse.cdt.tests.dsf.gdb/scripts/download-build-gdb.sh
Executable file
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dsf-gdb/org.eclipse.cdt.tests.dsf.gdb/scripts/download-build-gdb.sh
Executable file
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#!/bin/bash
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# * Copyright (c) 2014 Ericsson and others.
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# * All rights reserved. This program and the accompanying materials
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# * are made available under the terms of the Eclipse Public License v1.0
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# * which accompanies this distribution, and is available at
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# * http://www.eclipse.org/legal/epl-v10.html
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# *
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# * Contributors:
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# * Simon Marchi (Ericsson) - Initial implementation
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# Stop the script if any command fails
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set -e
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# Our work directory
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default_base_dir="$HOME/gdb-all"
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base_dir="${default_base_dir}"
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# Passed to make's -j
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default_jlevel="4"
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jlevel="${default_jlevel}"
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# Default versions (for when "all" is used)
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default_versions="6.6 6.7.1 6.8 7.0.1 7.1 7.2 7.3.1 7.4.1 7.5.1 7.6.2 7.7.1 7.8.1"
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# Is set to "echo" if we are doing a dry-run.
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dryrun=""
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# Print help and exit with the specified exit code.
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#
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# $1: The value to pass to exit
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function help_and_exit() {
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echo "Usage:"
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echo " download-build-gdb.sh [OPTIONS] [VERSIONS|all]"
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echo ""
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echo "Description:"
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echo " This script downloads, builds and installs the given versions of gdb."
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echo " Passing \"all\" to the script is the same as passing all the supported versions."
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echo ""
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echo "Options:"
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echo " -b, --base-dir PATH Set the base directory for downloading, building and "
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echo " installing the gdbs (default: ${default_base_dir})."
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echo " -d, --dry-run Make a dry-run: print the commands instead of executing"
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echo " them."
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echo " -h, --help Print this help message and exit."
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echo " -j, --jobs N Number of parallel jobs while making. N is passed"
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echo " directly to make's -j (default: ${default_jlevel})."
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echo ""
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echo "Supported versions:"
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echo " ${default_versions}"
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echo ""
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exit $1
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}
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# Output a visible header
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#
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# $1: Text to display
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function echo_header() {
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echo -e "\e[1m\e[7m>>> $1\e[0m"
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}
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# Check that the version passed is supported by the script.
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#
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# $1: version number
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function check_supported() {
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case "$version" in
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"6.6"|"6.7.1"|"6.8"|"7.0.1"|"7.1"|"7.2"|"7.3.1"|"7.4.1"|"7.5.1"|"7.6.2"|"7.7.1"|"7.8.1")
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# Supported, do nothing.
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;;
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*)
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echo "Version ${version} is not supported, sorry."
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exit 1
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;;
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esac
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}
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# Download the tarball of the given release of gdb.
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#
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# $1: version number
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function download_gdb() {
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local baseaddr="http://ftp.gnu.org/gnu/gdb"
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local version="$1"
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case "$version" in
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"6.6"|"6.7.1"|"6.8"|"7.0.1"|"7.1"|"7.2")
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version="${version}a"
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;;
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esac
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echo_header "Downloading gdb $version to ${download_dir}"
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${dryrun} wget --timestamping --directory-prefix "${download_dir}" "${baseaddr}/gdb-${version}.tar.gz"
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}
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# Extract the gdb tarball.
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#
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# $1: version number
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function extract_gdb() {
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local version="$1"
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case "$version" in
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"6.6"|"6.7.1"|"6.8"|"7.0.1"|"7.1"|"7.2")
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version="${version}a"
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;;
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esac
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local archive="${download_dir}/gdb-${version}.tar.gz"
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echo_header "Extracting ${archive} to ${build_dir}"
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${dryrun} mkdir -p "${build_dir}"
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${dryrun} tar -xf "${archive}" -C "${build_dir}"
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}
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# Make necessary fixes to build an "old" release on a "modern" system.
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#
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# $1: version number
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function fixup_gdb() {
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local version="$1"
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local build="${build_dir}/gdb-${version}"
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echo_header "Fixing up gdb ${version}"
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# Disable building of the doc, which fails anyway with older gdbs and
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# newer makeinfos.
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${dryrun} find ${build} -name '*.texinfo' -exec cp "/dev/null" "{}" \;
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# This file tries to include a non-existent file.
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if [ "$version" = "7.2" ]; then
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${dryrun} cp "/dev/null" "${build}/etc/standards.texi"
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fi
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# glibc or the kernel changed the signal API at some point
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case "$version" in
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"6.6"|"6.7.1"|"6.8"|"7.0.1"|"7.1"|"7.2"|"7.3.1"|"7.4.1")
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${dryrun} find "${build}/gdb" -type f -exec sed -i -e 's/struct siginfo;/#include <signal.h>/g' {} \;
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${dryrun} find "${build}/gdb" -type f -exec sed -i -e 's/struct siginfo/siginfo_t/g' {} \;
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;;
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esac
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}
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# Run ./configure.
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#
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# $1: version number
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function configure_gdb() {
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local version="$1"
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local build="${build_dir}/gdb-${version}"
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local cflags="-Wno-error -g -O0"
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echo_header "Configuring in ${build}"
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${dryrun} pushd "${build}"
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case "${version}" in
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"6.7.1"|"6.8")
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cflags="${cflags} -Wno-error=enum-compare"
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;;
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esac
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# Let the user specify some CFLAGS
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cflags="${cflags} ${CFLAGS}"
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# The ${dryrun} trick doesn't work here, because of the env var.
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if [ -z "${dryrun}" ]; then
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CFLAGS="${cflags}" ./configure --prefix="${install_dir}/gdb-${version}"
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else
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${dryrun} CFLAGS="\"${cflags}\"" ./configure --prefix="${install_dir}/gdb-${version}"
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fi
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${dryrun} popd
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}
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# Build gdb.
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#
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# $1: version number
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function make_gdb() {
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local version="$1"
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local build="${build_dir}/gdb-${version}"
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echo_header "Making in ${build}"
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${dryrun} pushd "${build}"
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${dryrun} make -j "${jlevel}"
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${dryrun} popd
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}
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# Run make install.
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#
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# $1: version number
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function make_install_gdb() {
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local version="$1"
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# Only install gdb, not the whole binutils-gdb
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local install="${build_dir}/gdb-${version}/gdb"
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echo_header "Make installing in ${install}"
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${dryrun} pushd "${install}"
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${dryrun} make install
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${dryrun} popd
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}
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# Create symlinks in "bin" directory.
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#
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# $1: version number
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function symlink_gdb() {
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local version="$1"
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echo_header "Creating symlinks for gdb ${version} in ${symlinks_dir}"
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${dryrun} mkdir -p "${symlinks_dir}"
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${dryrun} ln -sf "${install_dir}/gdb-${version}/bin/gdb" "${symlinks_dir}/gdb.${version}"
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${dryrun} ln -sf "${install_dir}/gdb-${version}/bin/gdbserver" "${symlinks_dir}/gdbserver.${version}"
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# If the version is a triplet (x.y.z), also create a symlink with just
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# the first two numbers (x.y).
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if [[ "$version" =~ [0-9]\.[0-9]\.[0-9] ]]; then
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local short_version="${version%.[0-9]}"
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${dryrun} ln -sf "${install_dir}/gdb-${version}/bin/gdb" "${symlinks_dir}/gdb.${short_version}"
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${dryrun} ln -sf "${install_dir}/gdb-${version}/bin/gdbserver" "${symlinks_dir}/gdbserver.${short_version}"
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fi
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}
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# Start argument parsing
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args=$(getopt -o b:dhj: -l "base-dir:,dry-run,help,jobs" -n "$0" -- "$@");
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# Bad arguments ?
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if [ $? -ne 0 ]; then
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exit 1
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fi
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eval set -- "$args"
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while true; do
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case "$1" in
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-b|--base-dir)
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shift
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base_dir="$1"
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shift
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;;
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-d|--dry-run)
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dryrun="echo"
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shift
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;;
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-h|--help)
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help_and_exit 0
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break
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;;
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-j|--jobs)
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shift
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jlevel="$1"
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shift
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;;
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--)
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shift;
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break;
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;;
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esac
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done
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# Where we download the tarballs
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download_dir="${base_dir}/download"
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# Where we extract the tarballs and build
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build_dir="${base_dir}/build"
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# Where we make install to
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install_dir="${base_dir}/install"
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# Where we will create symlinks to all gdb versions (in the form gdb.x.y)
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# (Hint: this is so you can add this directory to your PATH and have all
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# versions available quickly.)
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symlinks_dir="${base_dir}/bin"
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if [ $# -eq 0 ]; then
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echo "Error: you need to specify at least one gdb version or \"all\"."
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echo ""
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help_and_exit 1
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fi
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versions=$*
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if [ "$versions" = "all" ]; then
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versions="${default_versions}"
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fi
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# End argument parsing
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for version in $versions; do
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check_supported "$version"
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done
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for version in $versions; do
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download_gdb "$version"
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extract_gdb "$version"
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fixup_gdb "$version"
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configure_gdb "$version"
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make_gdb "$version"
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make_install_gdb "$version"
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symlink_gdb "$version"
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done
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echo_header "Done!"
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echo ""
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echo "gdb versions built:"
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echo " ${versions}"
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echo ""
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echo "Symbolic links to binaries have been created in:"
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echo " ${symlinks_dir}"
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echo ""
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echo "You can add this path to your \$PATH to access them easily."
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echo ""
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