$NetBSD: patch-src_Makefile.am,v 1.1 2014/05/12 22:46:50 pho Exp $ atomic_ops_stack.c refers to AO_pause defined in atomic_ops.c so either removing -no-undefined or declaring the dependency is needed. TODO: This patch should be sent to the upstream. --- src/Makefile.am.orig 2013-11-17 10:19:19.000000000 +0000 +++ src/Makefile.am @@ -12,6 +12,7 @@ libatomic_ops_la_LDFLAGS = -version-info libatomic_ops_gpl_la_SOURCES = atomic_ops_stack.c atomic_ops_malloc.c libatomic_ops_gpl_la_LDFLAGS = -version-info 1:3:0 -no-undefined +libatomic_ops_gpl_la_LIBADD = libatomic_ops.la EXTRA_DIST = Makefile.msft atomic_ops/sysdeps/README \ atomic_ops/generalize-arithm.template \