travis-ci: Use Gold linker for faster builds

Signed-off-by: Andrew Bartlett <[email protected]>
Reviewed-by: Andreas Schneider <[email protected]>

.travis.yml

@@ -28,6 +28,10 @@ matrix:
 before_install:
  - sudo apt-get update -qq
  - sudo apt-get install --assume-yes acl attr autoconf bind9utils bison build-essential debhelper dnsutils docbook-xml docbook-xsl flex gdb libjansson-dev krb5-user libacl1-dev libaio-dev libarchive-dev libattr1-dev libblkid-dev libbsd-dev libcap-dev libcups2-dev libgnutls-dev libgpgme11-dev libjson-perl libldap2-dev libncurses5-dev libpam0g-dev libparse-yapp-perl libpopt-dev libreadline-dev nettle-dev perl perl-modules pkg-config python-all-dev python-crypto python-dbg python-dev python-dnspython python3-dnspython python-gpgme python3-gpgme python-markdown python3-markdown python3-dev xsltproc zlib1g-dev
+ - sudo apt-get install --assume-yes binutils-gold
+ - sudo update-alternatives --install "/usr/bin/ld" "ld" "/usr/bin/ld.gold" 20
+ - sudo update-alternatives --install "/usr/bin/ld" "ld" "/usr/bin/ld.bfd" 10
+ - sudo update-alternatives --set ld /usr/bin/ld.gold
 
 script:
  - if [ $TASK = "pidl" ]; then