Installing openjdk-8-jre-headless from jessie-backports breaks texlive on jessie main repo. It causes 'Unmet build dependencies' error when building gdb package. To prevent this, force insatlling texlive from jessie-backports before start building gdb. Fixes #2444 Signed-off-by: Takuya ASADA <syuu@scylladb.com> Message-Id: <1496737502-10737-1-git-send-email-syuu@scylladb.com>