Quit defining _XOPEN_SOURCE. We never needed it...

diff --git a/configure.ac b/configure.ac
index 903eeed..2f14c71 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -73,7 +73,6 @@ AC_HELP_STRING([--with-opt=debug], [compile for debugging (default)]),
        esac
 ])
 AC_CACHE_CHECK([what compiler optimizations to apply], [optflags], [optflags="-g"])
-AC_DEFINE(_XOPEN_SOURCE, 500, [Conform to Single Unix Specification.])
 CDEBUGFLAGS="$optflags -Wall -pedantic -Wpointer-arith \
        -Wstrict-prototypes -Wmissing-declarations -Wnested-externs"
 AC_SUBST(CDEBUGFLAGS)