readlinkat: split into its own module * modules/symlinkat: Split readlinkat... * modules/readlinkat: ...into separate module. * m4/symlinkat.m4 (gl_FUNC_SYMLINKAT): Move readlinkat check... * m4/readlinkat.m4 (gl_FUNC_READLINAT): ...to new file. * lib/symlinkat.c (readlinkat): Move... * lib/readlinkat.c: ...into new file. * modules/symlinkat-tests: Split readlinkat test... * modules/readlinkat-tests: ...into separate module. * tests/test-symlinkat.c: Split... * tests/test-readlinkat.c: ...into new file. * NEWS: Document the split. * doc/posix-functions/readlinkat.texi (readlinkat): Likewise. * lib/unistd.in.h (readlinkat): Likewise. Suggested by Bruno Haible. Signed-off-by: Eric Blake <eblake@redhat.com>

--- a/NEWS
+++ b/NEWS
@@ -6,6 +6,9 @@
 
 Date        Modules         Changes
 
+2010-08-09  symlinkat       This module now only provides symlinkat; use the
+                            new module 'readlinkat' if needed.
+
 2010-07-31  ansi-c++-opt    If Autoconf >= 2.66 is used, the 'configure'
                             option is now called --disable-c++ rather than
                             --disable-cxx.