debian: Fix build with old versions of dpkg-buildflags.
authorBen Pfaff <blp@nicira.com>
Tue, 13 Aug 2013 19:54:35 +0000 (12:54 -0700)
committerBen Pfaff <blp@nicira.com>
Wed, 14 Aug 2013 04:42:34 +0000 (21:42 -0700)
commitf0e84620ed4aec92ff6473551cc843b63340dd1f
tree16e8b2ed7ac3555f089bcd40043606440fc32a37
parente78dbdbed4b14552c19342194092a32bde8dc2c3
debian: Fix build with old versions of dpkg-buildflags.

dpkg-buildflags has not always supported --export=configure, but commit
6c2d4c8780 (debian: Apply hardening options to build.) used it
unconditionally, causing the build to fail on old Debian distributions.
This fixes the problem.

Signed-off-by: Ben Pfaff <blp@nicira.com>
debian/rules