diff --git a/lib/sys_stat.in.h b/lib/sys_stat.in.h
index 234b527..50fb524 100644
--- a/lib/sys_stat.in.h
+++ b/lib/sys_stat.in.h
@@ -41,6 +41,10 @@
 #ifndef _GL_SYS_STAT_H
 #define _GL_SYS_STAT_H
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* The definition of GL_LINK_WARNING is copied here.  */
 
 /* Before doing "#define mkdir rpl_mkdir" below, we need to include all
@@ -341,6 +345,10 @@ extern int lchmod (const char *filename, mode_t mode);
      lchmod (f, m))
 #endif
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _GL_SYS_STAT_H */
 #endif /* _GL_SYS_STAT_H */
 #endif