Clean up extern decls a bit.

* configure.ac (WERROR_CFLAGS): Don't disable -Wnested-externs.
While we're at it, don't disable -Wlogical-op either.
* src/bytecode.c: Include blockinput.h and keyboard.h rather
than rolling their APIs by hand.
* src/emacs.c: Include regex.h and rely on its and lisp.h's API
rather than rolling them by hand.
* src/lastfile.c: Include lisp.h, to check this file's API.
* src/lisp.h (lisp_eval_depth, my_edata, my_endbss, my_endbss_static):
New decls.
* src/regex.h (re_max_failures): New decl.
* src/unexcw.c, src/unexmacosx.c, src/unexw32.c:
Rely on lisp.h's API rather than rolling it by hand.
* src/vm-limit.c (__after_morecore_hook, __morecore, real_morecore):
Declare at top level, to pacify GCC -Wnested-externs.

1 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 18ded9664fa..d3039bed1c7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2014-09-01  Paul Eggert  <eggert@cs.ucla.edu>
+
+        Clean up extern decls a bit.
+        * configure.ac (WERROR_CFLAGS): Don't disable -Wnested-externs.
+        While we're at it, don't disable -Wlogical-op either.
+
 2014-08-31  Paul Eggert  <eggert@cs.ucla.edu>
 
         * configure.ac (MAKE): Export it, for config.status.