Remove leftover generated .h files after config.status changed.

* m4/alloca.m4 (gl_FUNC_ALLOCA): New automake conditional
GL_GENERATE_ALLOCA_H.
* modules/alloca-opt (Makefile.am): Remove alloca.h if
GL_GENERATE_ALLOCA_H evaluates to false.

* m4/argz.m4 (gl_FUNC_ARGZ): New automake conditional
GL_GENERATE_ARGZ_H.
* modules/argz (Makefile.am): Remove argz.h if GL_GENERATE_ARGZ_H
evaluates to false.

* m4/byteswap.m4 (gl_BYTESWAP): New automake conditional
GL_GENERATE_BYTESWAP_H.
* modules/byteswap (Makefile.am): Remove byteswap.h if
GL_GENERATE_BYTESWAP_H evaluates to false.

* m4/errno_h.m4 (gl_HEADER_ERRNO_H): New automake conditional
GL_GENERATE_ERRNO_H.
* modules/errno (Makefile.am): Remove errno.h if GL_GENERATE_ERRNO_H
evaluates to false.

* m4/float_h.m4 (gl_FLOAT_H): New automake conditional
GL_GENERATE_FLOAT_H.
* modules/float (Makefile.am): Remove float.h if GL_GENERATE_FLOAT_H
evaluates to false.

* m4/fnmatch.m4 (gl_FUNC_FNMATCH_POSIX): New automake conditional
GL_GENERATE_FNMATCH_H.
* modules/fnmatch (Makefile.am): Remove fnmatch.h if
GL_GENERATE_FNMATCH_H evaluates to false.

* m4/glob.m4 (gl_GLOB_SUBSTITUTE, gl_GLOB): New automake conditional
GL_GENERATE_GLOB_H.
* modules/glob (Makefile.am): Remove glob.h if GL_GENERATE_GLOB_H
evaluates to false.

* m4/iconv_h.m4 (gl_REPLACE_ICONV_H, gl_ICONV_H_DEFAULTS): New
automake conditional GL_GENERATE_ICONV_H.
* modules/iconv-h (Makefile.am): Remove iconv.h if GL_GENERATE_ICONV_H
evaluates to false.

* m4/netinet_in_h.m4 (gl_HEADER_NETINET_IN): New automake conditional
GL_GENERATE_NETINET_IN_H.
* modules/netinet_in (Makefile.am): Remove netinet/in.h if
GL_GENERATE_NETINET_IN_H evaluates to false.

* m4/pthread.m4 (gl_PTHREAD_CHECK): Set PTHREAD_H here. New automake
conditional GL_GENERATE_PTHREAD_H.
(gl_PTHREAD_DEFAULTS): Don't set PTHREAD_H here.
* modules/pthread (Makefile.am): Remove pthread.h if
GL_GENERATE_PTHREAD_H evaluates to false.

* m4/sched_h.m4 (gl_SCHED_H): New automake conditional
GL_GENERATE_SCHED_H.
* modules/sched (Makefile.am): Remove sched.h if GL_GENERATE_SCHED_H
evaluates to false.

* m4/selinux-context-h.m4 (gl_HEADERS_SELINUX_CONTEXT_H): New automake
conditional GL_GENERATE_SELINUX_CONTEXT_H.
* modules/selinux-h (Makefile.am): Remove selinux/context.h if
GL_GENERATE_SELINUX_CONTEXT_H evaluates to false.

* m4/stdarg.m4 (gl_STDARG_H): New automake conditional
GL_GENERATE_STDARG_H.
* modules/stdarg (Makefile.am): Remove stdarg.h if
GL_GENERATE_STDARG_H evaluates to false.

* m4/stdbool.m4 (AM_STDBOOL_H): New automake conditional
GL_GENERATE_STDBOOL_H.
* modules/stdbool (Makefile.am): Remove stdbool.h if
GL_GENERATE_STDBOOL_H evaluates to false.

* m4/stddef_h.m4 (gl_STDDEF_H): Set STDDEF_H here. New automake
conditional GL_GENERATE_STDDEF_H.
(gl_STDDEF_H_DEFAULTS): Don't set STDDEF_H here.
* modules/stddef (Makefile.am): Remove stddef.h if
GL_GENERATE_STDDEF_H evaluates to false.

* m4/stdint.m4 (gl_STDINT_H): New automake conditional
GL_GENERATE_STDINT_H.
* modules/stdint (Makefile.am): Remove stdint.h if
GL_GENERATE_STDINT_H evaluates to false.

* m4/sysexits.m4 (gl_SYSEXITS): New automake conditional
GL_GENERATE_SYSEXITS_H.
* modules/sysexits (Makefile.am): Remove sysexits.h if
GL_GENERATE_SYSEXITS_H evaluates to false.

Reported by Karl Berry and Ralf Wildenhues.

1 files changed, 4 insertions, 2 deletions

diff --git a/m4/stddef_h.m4 b/m4/stddef_h.m4
index 1942b6aa0d..1ae2344318 100644
--- a/m4/stddef_h.m4
+++ b/m4/stddef_h.m4
@@ -1,5 +1,5 @@
 dnl A placeholder for POSIX 2008 <stddef.h>, for platforms that have issues.
-# stddef_h.m4 serial 3
+# stddef_h.m4 serial 4
 dnl Copyright (C) 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -9,6 +9,7 @@ AC_DEFUN([gl_STDDEF_H],
 [
   AC_REQUIRE([gl_STDDEF_H_DEFAULTS])
   AC_REQUIRE([gt_TYPE_WCHAR_T])
+  STDDEF_H=
   if test $gt_cv_c_wchar_t = no; then
     HAVE_WCHAR_T=0
     STDDEF_H=stddef.h
@@ -24,6 +25,8 @@ AC_DEFUN([gl_STDDEF_H],
     REPLACE_NULL=1
     STDDEF_H=stddef.h
   fi
+  AC_SUBST([STDDEF_H])
+  AM_CONDITIONAL([GL_GENERATE_STDDEF_H], [test -n "$STDDEF_H"])
   if test -n "$STDDEF_H"; then
     gl_NEXT_HEADERS([stddef.h])
   fi
@@ -41,5 +44,4 @@ AC_DEFUN([gl_STDDEF_H_DEFAULTS],
   dnl Assume proper GNU behavior unless another module says otherwise.
   REPLACE_NULL=0;                AC_SUBST([REPLACE_NULL])
   HAVE_WCHAR_T=1;                AC_SUBST([HAVE_WCHAR_T])
-  STDDEF_H='';                   AC_SUBST([STDDEF_H])
 ])