Use 16 byte alignment for hppa-unknown-linux-gnu.
* configure.ac (HAVE_GCC_ATTRIBUTE_ALIGNED): New. * src/gen-posix-lock-obj.c (USE_16BYTE_ALIGNMENT): Set for HPPA-Linux. (main): Enforce alignment if needed. * src/syscfg/lock-obj-pub.hppa-unknown-linux-gnu.h: Use 16 byte alignment.
- Debian-bug-id: #757060