dkegel@google.com
e98fe6af01
BUG=http://crbug.com/15700 TEST=make sure ld is not gold, make sure root can't write to your nfs home directory, copy this script there, run it, let it install gold, verify it aborts early without torching /usr/bin/ld Review URL: http://codereview.chromium.org/151113 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@19683 0039d316-1c4b-4281-b951-d872f2087c98
336 linhas
12 KiB
Bash
Arquivo Executável
336 linhas
12 KiB
Bash
Arquivo Executável
#!/bin/bash -e
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# Script to install everything needed to build chromium (well, ideally, anyway)
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# See http://code.google.com/p/chromium/wiki/LinuxBuildInstructions
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# and http://code.google.com/p/chromium/wiki/LinuxBuild64Bit
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install_gold() {
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# Gold is optional; it's a faster replacement for ld,
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# and makes life on 2GB machines much more pleasant.
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# First make sure root can access this directory, as that's tripped up some folks.
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if sudo touch xyz.$$
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then
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sudo rm xyz.$$
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else
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echo root cannot write to the current directory, not installing gold
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return
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fi
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BINUTILS=binutils-2.19.1
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BINUTILS_URL=http://ftp.gnu.org/gnu/binutils/$BINUTILS.tar.bz2
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BINUTILS_SHA1=88c91e36cde93433e4c4c2b2e3417777aad84526
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test -f $BINUTILS.tar.bz2 || wget $BINUTILS_URL
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if `sha1sum $BINUTILS.tar.bz2` != $BINUTILS_SHA1
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then
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echo Bad sha1sum for $BINUTILS.tar.bz2
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exit 1
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fi
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cat > binutils-fix.patch <<__EOF__
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--- binutils-2.19.1/gold/reduced_debug_output.h.orig 2009-05-10 14:44:52.000000000 -0700
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+++ binutils-2.19.1/gold/reduced_debug_output.h 2009-05-10 14:46:51.000000000 -0700
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@@ -64,7 +64,7 @@
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void
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failed(std::string reason)
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{
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- gold_warning(reason.c_str());
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+ gold_warning("%s", reason.c_str());
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failed_ = true;
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}
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@@ -110,7 +110,7 @@
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void
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failed(std::string reason)
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{
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- gold_warning(reason.c_str());
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+ gold_warning("%s", reason.c_str());
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this->failed_ = true;
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}
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__EOF__
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tar -xjvf $BINUTILS.tar.bz2
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cd $BINUTILS
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patch -p1 < ../binutils-fix.patch
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./configure --prefix=/usr/local/gold --enable-gold
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make -j3
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if sudo make install
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then
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# Still need to figure out graceful way of pointing gyp to use
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# /usr/local/gold/bin/ld without requiring him to set environment
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# variables. That will go into bootstrap-linux.sh when it's ready.
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echo "Installing gold as /usr/bin/ld."
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echo "To uninstall, do 'cd /usr/bin; sudo rm ld; sudo mv ld.orig ld'"
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test -f /usr/bin/ld && sudo mv /usr/bin/ld /usr/bin/ld.orig
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sudo ln -fs /usr/local/gold/bin/ld /usr/bin/ld.gold
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sudo ln -fs /usr/bin/ld.gold /usr/bin/ld
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else
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echo "make install failed, not installing gold"
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fi
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}
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if ! egrep -q "Ubuntu 8.04|Ubuntu 8.10|Ubuntu 9.04" /etc/issue; then
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echo "Only Ubuntu 8.04, 8.10, and 9.04 are currently supported" >&2
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exit 1
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fi
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if ! uname -m | egrep -q "i686|x86_64"; then
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echo "Only x86 architectures are currently supported" >&2
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exit
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fi
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if [ "x$(id -u)" != x0 ]; then
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echo "Running as non-root user."
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echo "You might have to enter your password one or more times for 'sudo'."
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echo
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fi
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# Packages need for development
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dev_list="bison fakeroot flex g++ g++-multilib gperf libasound2-dev
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libcairo2-dev libgconf2-dev libglib2.0-dev libgtk2.0-dev libnspr4-dev
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libnss3-dev libsqlite3-dev lighttpd msttcorefonts perl php5-cgi
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pkg-config python subversion wdiff"
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# Full list of required run-time libraries
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lib_list="libatk1.0-0 libc6 libasound2 libcairo2 libexpat1 libfontconfig1
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libfreetype6 libglib2.0-0 libgtk2.0-0 libnspr4-0d libnss3-1d
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libpango1.0-0 libpcre3 libpixman-1-0 libpng12-0 libstdc++6
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libsqlite3-0 libx11-6 libxau6 libxcb1 libxcomposite1
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libxcursor1 libxdamage1 libxdmcp6 libxext6 libxfixes3 libxi6
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libxinerama1 libxrandr2 libxrender1 zlib1g"
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# Debugging symbols for all of the run-time libraries
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dbg_list="libatk1.0-dbg libc6-dbg libcairo2-dbg libfontconfig1-dbg
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libglib2.0-0-dbg libgtk2.0-0-dbg libnspr4-0d-dbg libnss3-1d-dbg
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libpango1.0-0-dbg libpcre3-dbg libpixman-1-0-dbg libx11-6-dbg
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libxau6-dbg libxcb1-dbg libxcomposite1-dbg
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libxcursor1-dbg libxdamage1-dbg libxdmcp6-dbg libxext6-dbg
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libxfixes3-dbg libxi6-dbg libxinerama1-dbg libxrandr2-dbg
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libxrender1-dbg zlib1g-dbg"
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# Standard 32bit compatibility libraries
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cmp_list="ia32-libs lib32asound2-dev lib32readline-dev lib32stdc++6 lib32z1
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lib32z1-dev libc6-dev-i386 libc6-i386"
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# Waits for the user to press 'Y' or 'N'. Either uppercase of lowercase is
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# accepted. Returns 0 for 'Y' and 1 for 'N'. If an optional parameter has
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# been provided to yes_no(), the function also accepts RETURN as a user input.
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# The parameter specifies the exit code that should be returned in that case.
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# The function will echo the user's selection followed by a newline character.
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# Users can abort the function by pressing CTRL-C. This will call "exit 1".
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yes_no() {
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local c
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while :; do
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c="$(trap 'stty echo -iuclc icanon 2>/dev/null' EXIT INT TERM QUIT
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stty -echo iuclc -icanon 2>/dev/null
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dd count=1 bs=1 2>/dev/null | od -An -tx1)"
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case "$c" in
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" 0a") if [ -n "$1" ]; then
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[ $1 -eq 0 ] && echo "Y" || echo "N"
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return $1
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fi
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;;
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" 79") echo "Y"
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return 0
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;;
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" 6e") echo "N"
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return 1
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;;
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"") echo "Aborted" >&2
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exit 1
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;;
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*) # The user pressed an unrecognized key. As we are not echoing
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# any incorrect user input, alert the user by ringing the bell.
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(tput bel) 2>/dev/null
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;;
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esac
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done
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}
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echo "This script installs all tools and libraries needed to build Chromium."
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echo ""
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echo "For most of the libraries, it can also install debugging symbols, which"
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echo "will allow you to debug code in the system libraries. Most developers"
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echo "won't need these symbols."
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echo -n "Do you want me to install them for you (y/N) "
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if yes_no 1; then
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echo "Installing debugging symbols."
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else
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echo "Skipping installation of debugging symbols."
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dbg_list=
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fi
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sudo apt-get update
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# We initially run "apt-get" with the --reinstall option and parse its output.
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# This way, we can find all the packages that need to be newly installed
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# without accidentally promoting any packages from "auto" to "manual".
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# We then re-run "apt-get" with just the list of missing packages.
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echo "Finding missing packages..."
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new_list="$(yes n |
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LANG=C sudo apt-get install --reinstall \
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${dev_list} ${lib_list} ${dbg_list} \
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$([ "$(uname -m)" = x86_64 ] && echo ${cmp_list}) \
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sed -e '1,/The following NEW packages will be installed:/d;s/^ //;t;d')"
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echo "Installing missing packages..."
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sudo apt-get install ${new_list}
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# Some operating systems already ship gold
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# (on Debian, you can probably do "apt-get install binutils-gold" to get it),
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# but though Ubuntu toyed with shipping it, they haven't yet.
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# So just install from source if it isn't the default linker.
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case `ld --version` in
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*gold*) ;;
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* )
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# FIXME: avoid installing as /usr/bin/ld
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echo "Gold is a new linker that links Chrome 5x faster than ld."
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echo "Don't use it if you need to link other apps (e.g. valgrind, wine)"
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echo -n "REPLACE SYSTEM LINKER ld with gold and back up ld as ld.orig? (y/N) "
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if yes_no 1; then
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echo "Building binutils."
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install_gold || exit 99
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else
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echo "Not installing gold."
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fi
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esac
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# Install 32bit backwards compatibility support for 64bit systems
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if [ "$(uname -m)" = x86_64 ]; then
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echo "Installing 32bit libraries that are not already provided by the system"
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echo
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echo "While we only need to install a relatively small number of library"
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echo "files, we temporarily need to download a lot of large *.deb packages"
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echo "that contain these files. We will create new *.deb packages that"
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echo "include just the 32bit libraries. These files will then be found on"
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echo "your system in places like /lib32, /usr/lib32, /usr/lib/debug/lib32,"
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echo "/usr/lib/debug/usr/lib32. If you ever need to uninstall these files,"
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echo "look for packages named *-ia32.deb."
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echo "Do you want me to download all packages needed to build new 32bit"
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echo -n "package files (Y/n) "
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if ! yes_no 0; then
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echo "Exiting without installing any 32bit libraries."
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exit 0
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fi
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tmp=/tmp/install-32bit.$$
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trap 'rm -rf "${tmp}"' EXIT INT TERM QUIT
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mkdir -p "${tmp}/apt/lists/partial" "${tmp}/cache" "${tmp}/partial"
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touch "${tmp}/status"
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[ -r /etc/apt/apt.conf ] && cp /etc/apt/apt.conf "${tmp}/apt/"
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cat >>"${tmp}/apt/apt.conf" <<-EOF
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Apt::Architecture "i386";
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Dir::Cache "${tmp}/cache";
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Dir::Cache::Archives "${tmp}/";
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Dir::State::Lists "${tmp}/apt/lists/";
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Dir::State::status "${tmp}/status";
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EOF
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# Download 32bit packages
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echo "Computing list of available 32bit packages..."
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apt-get -c="${tmp}/apt/apt.conf" update
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echo "Downloading available 32bit packages..."
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apt-get -c="${tmp}/apt/apt.conf" \
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--yes --download-only --force-yes --reinstall install \
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${lib_list} ${dbg_list}
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# Open packages, remove everything that is not a library, move the
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# library to a lib32 directory and package everything as a *.deb file.
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echo "Repackaging and installing 32bit packages for use on 64bit systems..."
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for i in ${lib_list} ${dbg_list}; do
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orig="$(echo "${tmp}/${i}"_*_i386.deb)"
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compat="$(echo "${orig}" |
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sed -e 's,\(_[^_/]*_\)i386\(.deb\),-ia32\1amd64\2,')"
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rm -rf "${tmp}/staging"
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msg="$(fakeroot -u sh -exc '
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# Unpack 32bit Debian archive
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umask 022
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mkdir -p "'"${tmp}"'/staging/dpkg/DEBIAN"
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cd "'"${tmp}"'/staging"
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ar x "'${orig}'"
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tar zCfx dpkg data.tar.gz
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tar zCfx dpkg/DEBIAN control.tar.gz
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# Rename package, change architecture, remove dependencies
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sed -i -e "s/\(Package:.*\)/\1-ia32/" \
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-e "s/\(Architecture:\).*/\1 amd64/" \
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-e "s/\(Depends:\).*/\1 ia32-libs/" \
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-e "/Recommends/d" \
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-e "/Conflicts/d" \
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dpkg/DEBIAN/control
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# Only keep files that live in "lib" directories
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sed -i -e "/\/lib64\//d" -e "/\/.?bin\//d" \
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-e "s,\([ /]lib\)/,\132/g,;t1;d;:1" \
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-e "s,^/usr/lib32/debug\(.*/lib32\),/usr/lib/debug\1," \
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dpkg/DEBIAN/md5sums
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# Re-run ldconfig after installation/removal
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{ echo "#!/bin/sh"; echo "[ \"x\$1\" = xconfigure ]&&ldconfig||:"; } \
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>dpkg/DEBIAN/postinst
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{ echo "#!/bin/sh"; echo "[ \"x\$1\" = xremove ]&&ldconfig||:"; } \
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>dpkg/DEBIAN/postrm
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chmod 755 dpkg/DEBIAN/postinst dpkg/DEBIAN/postrm
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# Remove any other control files
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find dpkg/DEBIAN -mindepth 1 "(" -name control -o -name md5sums -o \
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-name postinst -o -name postrm ")" -o -print |
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xargs -r rm -rf
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# Remove any files/dirs that live outside of "lib" directories
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find dpkg -mindepth 1 "(" -name DEBIAN -o -name lib ")" -prune -o \
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-print | tac | xargs -r -n 1 sh -c \
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"rm \$0 2>/dev/null || rmdir \$0 2>/dev/null || : "
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find dpkg -name lib64 -o -name bin -o -name "?bin" |
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tac | xargs -r rm -rf
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# Rename lib to lib32, but keep debug symbols in /usr/lib/debug/usr/lib32
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# That is where gdb looks for them.
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find dpkg -type d -o -path "*/lib/*" -print |
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xargs -r -n 1 sh -c "
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i=\$(echo \"\${0}\" |
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sed -e s,/lib/,/lib32/,g \
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-e s,/usr/lib32/debug\\\\\(.*/lib32\\\\\),/usr/lib/debug\\\\1,);
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mkdir -p \"\${i%/*}\";
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mv \"\${0}\" \"\${i}\""
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# Prune any empty directories
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find dpkg -type d | tac | xargs -r -n 1 rmdir 2>/dev/null || :
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# Create our own Debian package
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cd ..
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dpkg --build staging/dpkg .' 2>&1)"
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compat="$(eval echo $(echo "${compat}" |
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sed -e 's,_[^_/]*_amd64.deb,_*_amd64.deb,'))"
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[ -r "${compat}" ] || {
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echo "${msg}" >&2
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echo "Failed to build new Debian archive!" >&2
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exit 1
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}
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msg="$(sudo dpkg -i "${compat}" 2>&1)" && {
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echo "Installed ${compat##*/}"
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} || {
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# echo "${msg}" >&2
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echo "Skipped ${compat##*/}"
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}
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done
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# Add symbolic links for developing 32bit code
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echo "Adding missing symbolic links, enabling 32bit code development..."
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for i in $(find /lib32 /usr/lib32 -maxdepth 1 -name \*.so.\* |
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sed -e 's/[.]so[.][0-9].*/.so/' |
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sort -u); do
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[ "x${i##*/}" = "xld-linux.so" ] && continue
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[ -r "$i" ] && continue
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j="$(ls "$i."* | sed -e 's/.*[.]so[.]\([^.]*\)$/\1/;t;d' |
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sort -n | tail -n 1)"
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[ -r "$i.$j" ] || continue
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sudo ln -s "${i##*/}.$j" "$i"
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done
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fi
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