Make zeroptr.h work on mingw.

[gnulib.git] / modules / memchr-tests

diff --git a/modules/memchr-tests b/modules/memchr-tests
index c99e557..c2c9e2b 100644 (file)
--- a/modules/memchr-tests
+++ b/modules/memchr-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: