version-etc: extend for packagers

[gnulib.git] / modules / memrchr-tests

diff --git a/modules/memrchr-tests b/modules/memrchr-tests
index 282c570..967f92b 100644 (file)
--- a/modules/memrchr-tests
+++ b/modules/memrchr-tests
@@ -4,10 +4,12 @@ tests/zerosize-ptr.h
 m4/mmap-anon.m4
 
 Depends-on:
+extensions
 getpagesize
 
 configure.ac:
 gl_FUNC_MMAP_ANON
+AC_CHECK_HEADERS_ONCE([sys/mman.h])
 AC_CHECK_FUNCS_ONCE([mprotect])
 
 Makefile.am: