Mercurial > hg > octave-lojdl > gnulib-hg
changeset 11066:e6215ba96121
error: avoid expand-before-require warning
* modules/errno (configure.ac): Require, rather than expand,
gl_HEADER_ERRNO_H.
* m4/errno_h.m4 (gl_HEADER_ERRNO_H_BODY): Merge...
(gl_HEADER_ERRNO_H): ...into this macro, and use AC_DEFUN_ONCE to
enforce that all clients require it.
Signed-off-by: Eric Blake <ebb9@byu.net>
| author | Eric Blake <ebb9@byu.net> |
|---|---|
| date | Wed, 21 Jan 2009 10:33:24 -0700 |
| parents | d07b536d92a9 |
| children | f5a88114d90a |
| files | ChangeLog m4/errno_h.m4 modules/errno |
| diffstat | 3 files changed, 11 insertions(+), 10 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,12 @@ 2009-01-21 Eric Blake <ebb9@byu.net> + error: avoid expand-before-require warning + * modules/errno (configure.ac): Require, rather than expand, + gl_HEADER_ERRNO_H. + * m4/errno_h.m4 (gl_HEADER_ERRNO_H_BODY): Merge... + (gl_HEADER_ERRNO_H): ...into this macro, and use AC_DEFUN_ONCE to + enforce that all clients require it. + gnulib-tool: avoid warnings from using obsolete AC_GNU_SOURCE * gnulib-tool (func_dest_tmpfilename, func_create_testdir): Using obsolete AC_GNU_SOURCE causes out-of-order expansion; avoid it,
--- a/m4/errno_h.m4 +++ b/m4/errno_h.m4 @@ -1,17 +1,11 @@ -# errno_h.m4 serial 3 +# errno_h.m4 serial 4 dnl Copyright (C) 2004, 2006, 2008, 2009 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. -AC_DEFUN([gl_HEADER_ERRNO_H], -[ - dnl Use AC_REQUIRE here, so that the default behavior below is expanded - dnl once only, before all statements that occur in other macros. - AC_REQUIRE([gl_HEADER_ERRNO_H_BODY]) -]) - -AC_DEFUN([gl_HEADER_ERRNO_H_BODY], +dnl This macro must pass through AC_REQUIRE (never directly invoke it). +AC_DEFUN_ONCE([gl_HEADER_ERRNO_H], [ AC_REQUIRE([AC_PROG_CC]) AC_CACHE_CHECK([for complete errno.h], [gl_cv_header_errno_h_complete], [