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#!/bin/bash -e
# Script to install everything needed to build chromium (well, ideally, anyway)
# See http://code.google.com/p/chromium/wiki/LinuxBuildInstructions
# and http://code.google.com/p/chromium/wiki/LinuxBuild64Bit
if ! egrep -q "Ubuntu 8.04|Ubuntu 8.10" /etc/issue; then
echo "Only Ubuntu 8.04 and 8.10 are currently supported" >&2
exit 1
fi
if ! uname -m | egrep -q "i686|x86_64"; then
echo "Only x86 architectures are currently supported" >&2
exit
fi
if [ "x$(id -u)" != x0 ]; then
echo "Running as non-root user."
echo "You might have to enter your password one or more times for 'sudo'."
echo
fi
# Packages need for development
dev_list="bison fakeroot flex g++ g++-multilib gperf libgconf2-dev
libglib2.0-dev libgtk2.0-dev libnspr4-dev libnss3-dev
libsqlite3-dev lighttpd msttcorefonts perl php5-cgi
pkg-config python subversion sun-java6-fonts wdiff"
# Full list of required run-time libraries
lib_list="libatk1.0-0 libc6 libcairo2 libexpat1 libfontconfig1 libfreetype6
libglib2.0-0 libgtk2.0-0 libnspr4-0d libnss3-1d libpango1.0-0
libpcre3 libpixman-1-0 libpng12-0 libstdc++6 libsqlite3-0 libx11-6
libxau6 libxcb-xlib0 libxcb1 libxcomposite1 libxcursor1 libxdamage1
libxdmcp6 libxext6 libxfixes3 libxi6 libxinerama1 libxrandr2
libxrender1 zlib1g"
# Debugging symbols for all of the run-time libraries
dbg_list="libatk1.0-dbg libc6-dbg libcairo2-dbg libfontconfig1-dbg
libglib2.0-0-dbg libgtk2.0-0-dbg libnspr4-0d-dbg libnss3-1d-dbg
libpango1.0-0-dbg libpcre3-dbg libpixman-1-0-dbg libx11-6-dbg
libxau6-dbg libxcb-xlib0-dbg libxcb1-dbg libxcomposite1-dbg
libxcursor1-dbg libxdamage1-dbg libxdmcp6-dbg libxext6-dbg
libxfixes3-dbg libxi6-dbg libxinerama1-dbg libxrandr2-dbg
libxrender1-dbg zlib1g-dbg"
# Standard 32bit compatibility libraries
cmp_list="ia32-libs lib32readline-dev lib32stdc++6 lib32z1 lib32z1-dev
libc6-dev-i386 libc6-i386"
# Waits for the user to press 'Y' or 'N'. Either uppercase of lowercase is
# accepted. Returns 0 for 'Y' and 1 for 'N'. If an optional parameter has
# been provided to yes_no(), the function also accepts RETURN as a user input.
# The parameter specifies the exit code that should be returned in that case.
# The function will echo the user's selection followed by a newline character.
# Users can abort the function by pressing CTRL-C. This will call "exit 1".
yes_no() {
local c
while :; do
c="$(trap 'stty echo -iuclc icanon 2>/dev/null' EXIT INT TERM QUIT
stty -echo iuclc -icanon 2>/dev/null
dd count=1 bs=1 2>/dev/null | od -An -tx1)"
case "$c" in
" 0a") if [ -n "$1" ]; then
[ $1 -eq 0 ] && echo "Y" || echo "N"
return $1
fi
;;
" 79") echo "Y"
return 0
;;
" 6e") echo "N"
return 1
;;
"") echo "Aborted" >&2
exit 1
;;
*) # The user pressed an unrecognized key. As we are not echoing
# any incorrect user input, alert the user by ringing the bell.
(tput bel) 2>/dev/null
;;
esac
done
}
echo "This script installs all required libraries for building Chromium."
echo "For most of the libraries, it can also install debugging symbols, which"
echo "will allow you to debug code in the system libraries. Most developers"
echo "won't need these symbols."
echo -n "Do you want me to install them for you (y/N) "
if yes_no 1; then
echo "Installing debugging symbols."
else
echo "Skipping installation of debugging symbols."
dbg_list=
fi
sudo apt-get update
# We initially run "apt-get" with the --reinstall option and parse its output.
# This way, we can find all the packages that need to be newly installed
# without accidentally promoting any packages from "auto" to "manual".
# We then re-run "apt-get" with just the list of missing packages.
echo "Finding missing packages..."
new_list="$(yes n |
LANG=C sudo apt-get install --reinstall \
${dev_list} ${lib_list} ${dbg_list} \
$([ "$(uname -m)" = x86_64 ] && echo ${cmp_list}) \
2>/dev/null |
sed -e '1,/The following NEW packages will be installed:/d;s/^ //;t;d')"
echo "Installing missing packages..."
sudo apt-get install ${new_list}
# Install 32bit backwards compatibility support for 64bit systems
if [ "$(uname -m)" = x86_64 ]; then
echo "Installing 32bit libraries that are not already provided by the system"
echo
echo "While we only need to install a relatively small number of library"
echo "files, we temporarily need to download a lot of large *.deb packages"
echo "that contain these files. We will create new *.deb packages that"
echo "include just the 32bit libraries. These files will then be found on"
echo "your system in places like /lib32, /usr/lib32, /usr/lib/debug/lib32,"
echo "/usr/lib/debug/usr/lib32. If you ever need to uninstall these files,"
echo "look for packages named *-ia32.deb."
echo "Do you want me to download all packages needed to build new 32bit"
echo -n "package files (Y/n) "
if ! yes_no 0; then
echo "Exiting without installing any 32bit libraries."
exit 0
fi
tmp=/tmp/install-32bit.$$
trap 'rm -rf "${tmp}"' EXIT INT TERM QUIT
mkdir -p "${tmp}/apt/lists/partial" "${tmp}/cache" "${tmp}/partial"
touch "${tmp}/status"
[ -r /etc/apt/apt.conf ] && cp /etc/apt/apt.conf "${tmp}/apt/"
cat >>"${tmp}/apt/apt.conf" <<-EOF
Apt::Architecture "i386";
Dir::Cache "${tmp}/cache";
Dir::Cache::Archives "${tmp}/";
Dir::State::Lists "${tmp}/apt/lists/";
Dir::State::status "${tmp}/status";
EOF
# Download 32bit packages
echo "Computing list of available 32bit packages..."
apt-get -c="${tmp}/apt/apt.conf" update
echo "Downloading available 32bit packages..."
apt-get -c="${tmp}/apt/apt.conf" \
--yes --download-only --force-yes --reinstall install \
${lib_list} ${dbg_list}
# Open packages, remove everything that is not a library, move the
# library to a lib32 directory and package everything as a *.deb file.
echo "Repackaging and installing 32bit packages for use on 64bit systems..."
for i in ${lib_list} ${dbg_list}; do
orig="$(echo "${tmp}/${i}"_*_i386.deb)"
compat="$(echo "${orig}" |
sed -e 's,\(_[^_/]*_\)i386\(.deb\),-ia32\1amd64\2,')"
rm -rf "${tmp}/staging"
msg="$(fakeroot -u sh -exc '
# Unpack 32bit Debian archive
umask 022
mkdir -p "'"${tmp}"'/staging/dpkg/DEBIAN"
cd "'"${tmp}"'/staging"
ar x "'${orig}'"
tar zCfx dpkg data.tar.gz
tar zCfx dpkg/DEBIAN control.tar.gz
# Rename package, change architecture, remove dependencies
sed -i -e "s/\(Package:.*\)/\1-ia32/" \
-e "s/\(Architecture:\).*/\1 amd64/" \
-e "s/\(Depends:\).*/\1 ia32-libs/" \
-e "/Recommends/d" \
-e "/Conflicts/d" \
dpkg/DEBIAN/control
# Only keep files that live in "lib" directories
sed -i -e "/\/lib64\//d" -e "/\/.?bin\//d" \
-e "s,\([ /]lib\)/,\132/g,;t1;d;:1" \
-e "s,^/usr/lib32/debug\(.*/lib32\),/usr/lib/debug\1," \
dpkg/DEBIAN/md5sums
# Re-run ldconfig after installation/removal
{ echo "#!/bin/sh"; echo "[ \"x\$1\" = xconfigure ]&&ldconfig||:"; } \
>dpkg/DEBIAN/postinst
{ echo "#!/bin/sh"; echo "[ \"x\$1\" = xremove ]&&ldconfig||:"; } \
>dpkg/DEBIAN/postrm
chmod 755 dpkg/DEBIAN/postinst dpkg/DEBIAN/postrm
# Remove any other control files
find dpkg/DEBIAN -mindepth 1 "(" -name control -o -name md5sums -o \
-name postinst -o -name postrm ")" -o -print |
xargs -r rm -rf
# Remove any files/dirs that live outside of "lib" directories
find dpkg -mindepth 1 "(" -name DEBIAN -o -name lib ")" -prune -o \
-print | tac | xargs -r -n 1 sh -c \
"rm \$0 2>/dev/null || rmdir \$0 2>/dev/null || : "
find dpkg -name lib64 -o -name bin -o -name "?bin" |
tac | xargs -r rm -rf
# Rename lib to lib32, but keep debug symbols in /usr/lib/debug/usr/lib32
# That is where gdb looks for them.
find dpkg -type d -o -path "*/lib/*" -print |
xargs -r -n 1 sh -c "
i=\$(echo \"\${0}\" |
sed -e s,/lib/,/lib32/,g \
-e s,/usr/lib32/debug\\\\\(.*/lib32\\\\\),/usr/lib/debug\\\\1,);
mkdir -p \"\${i%/*}\";
mv \"\${0}\" \"\${i}\""
# Prune any empty directories
find dpkg -type d | tac | xargs -r -n 1 rmdir 2>/dev/null || :
# Create our own Debian package
cd ..
dpkg --build staging/dpkg .' 2>&1)"
compat="$(eval echo $(echo "${compat}" |
sed -e 's,_[^_/]*_amd64.deb,_*_amd64.deb,'))"
[ -r "${compat}" ] || {
echo "${msg}" >&2
echo "Failed to build new Debian archive!" >&2
exit 1
}
msg="$(sudo dpkg -i "${compat}" 2>&1)" && {
echo "Installed ${compat##*/}"
} || {
# echo "${msg}" >&2
echo "Skipped ${compat##*/}"
}
done
# Add symbolic links for developing 32bit code
echo "Adding missing symbolic links, enabling 32bit code development..."
for i in $(find /lib32 /usr/lib32 -maxdepth 1 -name \*.so.\* |
sed -e 's/[.]so[.][0-9].*/.so/' |
sort -u); do
[ "x${i##*/}" = "xld-linux.so" ] && continue
[ -r "$i" ] && continue
j="$(ls "$i."* | sed -e 's/.*[.]so[.]\([^.]*\)$/\1/;t;d' |
sort -n | tail -n 1)"
[ -r "$i.$j" ] || continue
sudo ln -s "${i##*/}.$j" "$i"
done
fi
|
