build: work with new glibc when not optimizing
commit314457b2aed274984425d3156a8e2fb76662ea24
authorEric Blake <eblake@redhat.com>
Fri, 31 Aug 2012 19:07:54 +0000 (31 12:07 -0700)
committerEric Blake <eblake@redhat.com>
Fri, 31 Aug 2012 20:50:53 +0000 (31 13:50 -0700)
tree549304ea1444891b86d0121a33c4593ceb270ad8
parent1e4300e9263f81bee969db8a7ab135436fdf9ede
build: work with new glibc when not optimizing

Starting with glibc 2.15, the system headers refuse to compile
unconditional use of FORTIFY_SOURCE if optimization is disabled
but -Werror is in effect.

* configure.ac (FORTIFY_SOURCE): Make conditional.
configure.ac