build: Avoid warnings about _FORTIFY_SOURCE
authorDenis Kenzior <denkenz@gmail.com>
Fri, 1 Aug 2014 14:29:40 +0000 (09:29 -0500)
committerDenis Kenzior <denkenz@gmail.com>
Fri, 1 Aug 2014 14:29:40 +0000 (09:29 -0500)
commit22e892a22e658ed316133c1e63a17160c735e5e5
tree837e83effca91d879ff537c5313bd9f56cc9db15
parent361eed7b9a611e916fa2b2d5f335967e85205703
build: Avoid warnings about _FORTIFY_SOURCE

Gentoo (and others) define _FORTIFY_SOURCE=2 by default.  We redefine
it, resulting in an error / configure failure.
acinclude.m4