1 files changed, 2 insertions, 0 deletions

diff --git a/m4/check-os-options.m4 b/m4/check-os-options.m4
index 6c28ab8..ab855ee 100644
--- a/m4/check-os-options.m4
+++ b/m4/check-os-options.m4
@@ -19,6 +19,7 @@ case $host_os in
                 HOST_ABI=macosx
                 ;;
         *freebsd*)
+                BUILD_NC=yes
                 HOST_OS=freebsd
                 HOST_ABI=elf
                 AC_SUBST([PROG_LDADD], ['-lthr'])
@@ -40,6 +41,7 @@ case $host_os in
                 CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_SOURCE -D_GNU_SOURCE"
                 ;;
         *netbsd*)
+                BUILD_NC=yes
                 HOST_OS=netbsd
                 CPPFLAGS="$CPPFLAGS -D_OPENBSD_SOURCE"
                 ;;