openat: provide more convenience names

[pspp] / modules / memchr2-tests

diff --git a/modules/memchr2-tests b/modules/memchr2-tests
index 44d220cd37636f63c2afb4b0197a961a1fd8798c..99c02b1fccc603e9bef8c2e2a619bca7162f2afc 100644 (file)
--- a/modules/memchr2-tests
+++ b/modules/memchr2-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: