Avoid exit due to "-e" and test failure on non-x86_64.

build/install-build-deps.sh

 #!/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
 
 install_gold() {
   # Gold is optional; it's a faster replacement for ld,
   # and makes life on 2GB machines much more pleasant.
 
@@ skipping 150 matching lines @@
   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..."
-packages="${dev_list} ${lib_list} ${dbg_list}
-                  $([ "$(uname -m)" = x86_64 ] && echo ${cmp_list})"
+packages="${dev_list} ${lib_list} ${dbg_list}"
+if [ "$(uname -m)" = x86_64 ]; then

[Lei Zhang, 2009/08/10 18:53:49]

nit: can you put x86_64 in doublequotes?

+  packages+=" ${cmp_list})"
+fi
 echo "Packages required: $packages"
 new_list_cmd="sudo apt-get install --reinstall $(echo $packages)"
 if new_list="$(yes n | LANG=C $new_list_cmd)"
 then
   echo "No missing packages, and the packages are up-to-date."
 elif [ $? -eq 1 ]
 then
   # We expect apt-get to have exit status of 1.
   # This indicates that we canceled the install with "yes n|".
   new_list=$(echo $new_list |
@@ skipping 164 matching lines @@
              sed -e 's/[.]so[.][0-9].*/.so/' |
              sort -u); do
     [ "x${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