lsns unconditionally uses NS_GET_NSTYPE since version 2.38 and https://git.kernel.org/pub/scm/utils/util-linux/util-linux.git/commit/?id=de72df79d72fa906e71e2ac922d8745ff22deee5 which is only available since kernel 4.11 and https://github.com/torvalds/linux/commit/e5ff5ce6e20ee22511398bb31fb912466cf82a36 resulting in the following build failure: sys-utils/lsns.c: In function 'add_namespace_for_nsfd': sys-utils/lsns.c:719:25: error: 'NS_GET_NSTYPE' undeclared (first use in this function) 719 | clone_type = ioctl(fd, NS_GET_NSTYPE); | ^~~~~~~~~~~~~ So add an option to allow the user to disable lsns Fixes: - http://autobuild.buildroot.org/results/572ecf8e37ac733a4e4265f4f78f35230337278e Signed-off-by: Fabrice Fontaine <fontaine.fabrice@xxxxxxxxx> --- configure.ac | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 11c86b9a7..52c5b280a 100644 --- a/configure.ac +++ b/configure.ac @@ -1922,7 +1922,11 @@ UL_REQUIRES_LINUX([lsipc]) UL_REQUIRES_BUILD([lsipc], [libsmartcols]) AM_CONDITIONAL([BUILD_LSIPC], [test "x$build_lsipc" = xyes]) -UL_BUILD_INIT([lsns], [check]) +AC_ARG_ENABLE([lsns], + AS_HELP_STRING([--disable-lsns], [do not build lsns]), + [], [UL_DEFAULT_ENABLE([lsns], [check])] +) +UL_BUILD_INIT([lsns]) UL_REQUIRES_LINUX([lsns]) UL_REQUIRES_BUILD([lsns], [libsmartcols]) UL_REQUIRES_BUILD([lsns], [libmount]) -- 2.35.1