(gl_PREREQ_MKDIR): Don't check for stdlib.h, string.h, free.

diff --git a/m4/mkdir-slash.m4 b/m4/mkdir-slash.m4
index 3ca909e6c99d622d5b87735905ef6486b8857571..84c9415f253c8043002705bf429101c2ff3d8fde 100644 (file)
--- a/m4/mkdir-slash.m4
+++ b/m4/mkdir-slash.m4
@@ -36,8 +36,4 @@ AC_DEFUN([UTILS_FUNC_MKDIR_TRAILING_SLASH],
 ])
 
 # Prerequisites of lib/mkdir.c.
-AC_DEFUN([gl_PREREQ_MKDIR],
-[
-  AC_CHECK_HEADERS_ONCE(stdlib.h string.h)
-  AC_CHECK_DECLS_ONCE(free)
-])
+AC_DEFUN([gl_PREREQ_MKDIR], [:])