openat: provide more convenience names

[pspp] / modules / memcmp-tests

diff --git a/modules/memcmp-tests b/modules/memcmp-tests
index ae1cc387e9d6c19cab4cdabda0b0e1de6c2498d2..3f536d756c947f134d9b485cad0dbbf7d03b2237 100644 (file)
--- a/modules/memcmp-tests
+++ b/modules/memcmp-tests
@@ -9,6 +9,7 @@ getpagesize
 
 configure.ac:
 gl_FUNC_MMAP_ANON
+AC_CHECK_HEADERS_ONCE([sys/mman.h])
 AC_CHECK_FUNCS_ONCE([mprotect])
 
 Makefile.am: