2009-09-23 Eric Blake <ebb9@byu.net>
+ linkat: new module
+ * modules/linkat: New file.
+ * lib/at-func2.c (at_func2): Likewise.
+ * lib/linkat.c (linkat): Likewise.
+ * m4/linkat.m4 (gl_FUNC_LINKAT): Likewise.
+ * lib/openat-priv.h (at_func2): Add declaration.
+ * m4/unistd_h.m4 (gl_UNISTD_H_DEFAULTS): Add witnesses.
+ * modules/unistd (Makefile.am): Substitute them.
+ * lib/unistd.in.h (linkat): Declare it.
+ * MODULES.html.sh (systems lacking POSIX:2008): Mention module.
+ * doc/posix-functions/linkat.texi (linkat): Likewise.
+ * doc/posix-functions/link.texi (link): Tweak wording.
+ * tests/test-link.c (main): Move guts...
+ * tests/test-link.h (test_link): ...into new file.
+ * modules/linkat-tests: New test.
+ * tests/test-linkat.c: Likewise.
+ * modules/link-tests (Files): Ship new file.
+ (Depends-on): Add stdbool.
+
dirname: add library-safe mdir_name
* lib/dirname.h (mdir_name): New prototype.
* lib/dirname.c (dir_name): Move guts...