build-sys: Add setns() functions if not in the C library.

[elogind.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 05ee098d2827c9549c7fe5860ddc66966db8532d..18df6d86e7e9d1229bd55c6af5b40181fe56eb70 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -241,10 +241,11 @@ LIBS="$save_LIBS"
 
 AC_CHECK_FUNCS([fanotify_init fanotify_mark])
 AC_CHECK_FUNCS([__secure_getenv secure_getenv])
-AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at], [], [], [[#include <sys/types.h>
+AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns], [], [], [[#include <sys/types.h>
 #include <unistd.h>
 #include <sys/mount.h>
-#include <fcntl.h>]])
+#include <fcntl.h>
+#include <sched.h>]])
 
 # This makes sure pkg.m4 is available.
 m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])