Merge from gnulib

This incorporates:
2015-07-04 file-has-acl, acl-permissions: fix HP-UX typos
2015-07-03 set-permissions.c: adjust acl_from_mode's cpp guard
2015-07-02 update-copyright: fix test failure with perl >= 5.22
2015-07-01 gnulib-common.m4: change the ARFLAGS default to 'cr'
2015-07-01 acl: fix definition of acl_from_mode on FreeBSD
* build-aux/update-copyright, doc/misc/texinfo.tex, lib/acl-internal.h:
* lib/set-permissions.c, m4/gnulib-common.m4: Copy from gnulib.

5 files changed, 72 insertions, 56 deletions

diff --git a/build-aux/update-copyright b/build-aux/update-copyright
index 4eb4b93ea6c..8cc36e22d59 100755
--- a/build-aux/update-copyright
+++ b/build-aux/update-copyright
@@ -124,7 +124,7 @@ use strict;
 use warnings;
 
 my $copyright_re = 'Copyright';
-my $circle_c_re = '(?:\([cC]\)|@copyright{}|\\\\\(co|©)';
+my $circle_c_re = '(?:\([cC]\)|@copyright\{}|\\\\\(co|©)';
 my $holder = $ENV{UPDATE_COPYRIGHT_HOLDER};
 $holder ||= 'Free Software Foundation, Inc.';
 my $prefix_max = 5;
diff --git a/doc/misc/texinfo.tex b/doc/misc/texinfo.tex
index 60951102f3f..f773c90b8d5 100644
--- a/doc/misc/texinfo.tex
+++ b/doc/misc/texinfo.tex
@@ -3,7 +3,7 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2015-06-14.15}
+\def\texinfoversion{2015-07-01.07}
 %
 % Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -277,6 +277,7 @@
 % described on page 260 of The TeXbook.  It involves outputting two
 % marks for the sectioning macros, one before the section break, and
 % one after.  I won't pretend I can describe this better than DEK...
+%
 \def\domark{%
   \toks0=\expandafter{\lastchapterdefs}%
   \toks2=\expandafter{\lastsectiondefs}%
@@ -6881,7 +6882,7 @@ end
 % typesetting commands (@smallbook, font changes, etc.) have to be done
 % beforehand -- and a) we want @copying to be done first in the source
 % file; b) letting users define the frontmatter in as flexible order as
-% possible is very desirable.
+% possible is desirable.
 %
 \def\copying{\checkenv{}\begingroup\scanargctxt\docopying}
 \def\docopying#1@end copying{\endgroup\def\copyingtext{#1}}
@@ -7449,6 +7450,12 @@ end
 %
 % \anythingelse will almost certainly be an error of some kind.
 
+\def\macrolineargctxt{% used for whole-line arguments without braces
+  \scanctxt
+  \catcode`\{=\other
+  \catcode`\}=\other
+}
+
 % \mbodybackslash is the definition of \ in @macro bodies.
 % It maps \foo\ => \csname macarg.foo\endcsname => #N
 % where N is the macro parameter number.
@@ -7522,12 +7529,14 @@ end
 % This makes use of the obscure feature that if the last token of a
 % <parameter list> is #, then the preceding argument is delimited by
 % an opening brace, and that opening brace is not consumed.
+% 
 \def\getargs#1{\getargsxxx#1{}}
 \def\getargsxxx#1#{\getmacname #1 \relax\getmacargs}
 \def\getmacname#1 #2\relax{\macname={#1}}
 \def\getmacargs#1{\def\argl{#1}}
 
-% For macro processing make @ a letter so that we can make Texinfo private macro names.
+% For macro processing make @ a letter so that we can make
+% private-to-Texinfo macro names.
 \edef\texiatcatcode{\the\catcode`\@}
 \catcode `@=11\relax
 
@@ -7558,6 +7567,7 @@ end
 %
 % If you compile with TeX (not eTeX), and you have macros with 10 or more
 % arguments, no macro can have more than 256 arguments (else error).
+% 
 \def\parsemargdef#1;{%
   \paramno=0\def\paramlist{}%
   \let\hash\relax
@@ -7601,7 +7611,6 @@ end
 % These two commands read recursive and nonrecursive macro bodies.
 % (They're different since rec and nonrec macros end differently.)
 %
-
 \catcode `\@\texiatcatcode
 \long\def\parsemacbody#1@end macro%
 {\xdef\temp{\eatcr{#1}}\endgroup\defmacro}%
@@ -7637,7 +7646,8 @@ end
   \fi
 }
 
-% 
+% Internal for \getargsval@.
+%  
 \def\getargvals@@{%
   \ifx\paramlist\nilm@
       % Some sanity check needed here that \argvaluelist is also empty.
@@ -7681,7 +7691,8 @@ end
 }
 
 % Replace arguments by their values in the macro body, and place the result
-% in macro \@tempa
+% in macro \@tempa.
+% 
 \def\macvalstoargs@{%
   %  To do this we use the property that token registers that are \the'ed
   % within an \edef  expand only once. So we are going to place all argument
@@ -7705,8 +7716,9 @@ end
   \expandafter\def\expandafter\@tempa\expandafter{\@tempc}%
   }
 
+% Define the named-macro outside of this group and then close this group. 
+% 
 \def\macargexpandinbody@{% 
-  %% Define the named-macro outside of this group and then close this group. 
   \expandafter
   \endgroup
   \macargdeflist@
@@ -7743,14 +7755,17 @@ end
   \next
 }
 
-% Save the token stack pointer into macro #1
+% Save the token stack pointer into macro #1:
 \def\texisavetoksstackpoint#1{\edef#1{\the\@cclvi}}
-% Restore the token stack pointer from number in macro #1
-\def\texirestoretoksstackpoint#1{\expandafter\mathchardef\expandafter\@cclvi#1\relax}
-% newtoks that can be used non \outer .
+%
+% Restore the token stack pointer from number in macro #1:
+\def\texirestoretoksstackpoint#1{\expandafter\mathchardef
+  \expandafter\@cclvi#1\relax}
+% Variant \newtoks that can be used non-\outer:
 \def\texinonouternewtoks{\alloc@ 5\toks \toksdef \@cclvi}
 
-% Tailing missing arguments are set to empty
+% Tailing missing arguments are set to empty.
+% 
 \def\setemptyargvalues@{%
   \ifx\paramlist\nilm@
     \let\next\macargexpandinbody@
@@ -7795,7 +7810,7 @@ end
         \noexpand\scanmacro{\temp}}%
     \or % 1
       \expandafter\xdef\csname\the\macname\endcsname{%
-         \bgroup\noexpand\macroargctxt
+         \bgroup
          \noexpand\braceorline
          \expandafter\noexpand\csname\the\macname xxx\endcsname}%
       \expandafter\xdef\csname\the\macname xxx\endcsname##1{%
@@ -7828,7 +7843,7 @@ end
         \noexpand\scanmacro{\temp}\egroup}%
     \or % 1
       \expandafter\xdef\csname\the\macname\endcsname{%
-         \bgroup\noexpand\macroargctxt
+         \bgroup
          \noexpand\braceorline
          \expandafter\noexpand\csname\the\macname xxx\endcsname}%
       \expandafter\xdef\csname\the\macname xxx\endcsname##1{%
@@ -7860,19 +7875,20 @@ end
     \fi
   \fi}
 
-\catcode `\@\texiatcatcode\relax
+\catcode `\@\texiatcatcode\relax % end private-to-Texinfo catcodes
 
 \def\norecurse#1{\bgroup\cslet{#1}{macsave.#1}}
 
-% \braceorline decides whether the next nonwhitespace character is a
-% {.  If so it reads up to the closing }, if not, it reads the whole
-% line.  Whatever was read is then fed to the next control sequence
-% as an argument (by \parsebrace or \parsearg).
+% \braceorline MAC is used for a one-argument macro MAC.  It checks
+% whether the next non-whitespace character is a {.  It sets the context
+% for reading the argument (slightly different in the two cases).  Then,
+% to read the argument, in the whole-line case, it then calls the
+% regular \parsearg MAC; in the lbrace case, it just calls MAC itself.
 % 
 \def\braceorline#1{\let\macnamexxx=#1\futurelet\nchar\braceorlinexxx}
 \def\braceorlinexxx{%
-  \ifx\nchar\bgroup\else
-    \expandafter\parsearg
+  \ifx\nchar\bgroup\macroargctxt
+  \else\macrolineargctxt\expandafter\parsearg
   \fi \macnamexxx}
 
 
diff --git a/lib/acl-internal.h b/lib/acl-internal.h
index d592a7559f0..4f042adc96b 100644
--- a/lib/acl-internal.h
+++ b/lib/acl-internal.h
@@ -127,10 +127,8 @@ rpl_acl_set_fd (int fd, acl_t acl)
 #   define acl_extended_file(name) (-1)
 #  endif
 
-/* Linux-specific */
-#  ifndef HAVE_ACL_FROM_MODE
-#   define HAVE_ACL_FROM_MODE false
-#   define acl_from_mode(mode) (NULL)
+#  if ! defined HAVE_ACL_FROM_MODE && ! defined HAVE_ACL_FROM_TEXT
+#   define acl_from_mode (NULL)
 #  endif
 
 /* Set to 0 if a file's mode is stored independently from the ACL.  */
diff --git a/lib/set-permissions.c b/lib/set-permissions.c
index 3bcfd31530e..25c463d966d 100644
--- a/lib/set-permissions.c
+++ b/lib/set-permissions.c
@@ -25,6 +25,8 @@
 
 #if USE_ACL
 # if ! defined HAVE_ACL_FROM_MODE && defined HAVE_ACL_FROM_TEXT /* FreeBSD, IRIX, Tru64 */
+#  if HAVE_ACL_GET_FILE && !HAVE_ACL_TYPE_EXTENDED
+
 static acl_t
 acl_from_mode (mode_t mode)
 {
@@ -46,6 +48,7 @@ acl_from_mode (mode_t mode)
 
   return acl_from_text (acl_text);
 }
+#  endif
 # endif
 
 # if HAVE_FACL && defined GETACL /* Solaris, Cygwin, not HP-UX */
@@ -269,7 +272,7 @@ set_acls_from_mode (const char *name, int desc, mode_t mode, bool *must_chmod)
   }
 }
 
-#elif HAVE_GETACL /* HP-UX */
+# elif HAVE_GETACL /* HP-UX */
 static int
 context_acl_from_mode (struct permission_context *ctx, const char *name, int desc)
 {
@@ -285,13 +288,13 @@ context_acl_from_mode (struct permission_context *ctx, const char *name, int des
 
   ctx->entries[0].uid = statbuf.st_uid;
   ctx->entries[0].gid = ACL_NSGROUP;
-  ctx->entries[0].mode = (mode >> 6) & 7;
+  ctx->entries[0].mode = (ctx->mode >> 6) & 7;
   ctx->entries[1].uid = ACL_NSUSER;
   ctx->entries[1].gid = statbuf.st_gid;
-  ctx->entries[1].mode = (mode >> 3) & 7;
+  ctx->entries[1].mode = (ctx->mode >> 3) & 7;
   ctx->entries[2].uid = ACL_NSUSER;
   ctx->entries[2].gid = ACL_NSGROUP;
-  ctx->entries[2].mode = mode & 7;
+  ctx->entries[2].mode = ctx->mode & 7;
   ctx->count = 3;
   return 0;
 }
@@ -304,24 +307,24 @@ context_aclv_from_mode (struct permission_context *ctx)
 
   ctx->aclv_entries[0].a_type = USER_OBJ;
   ctx->aclv_entries[0].a_id = 0; /* irrelevant */
-  ctx->aclv_entries[0].a_perm = (mode >> 6) & 7;
+  ctx->aclv_entries[0].a_perm = (ctx->mode >> 6) & 7;
   ctx->aclv_entries[1].a_type = GROUP_OBJ;
   ctx->aclv_entries[1].a_id = 0; /* irrelevant */
-  ctx->aclv_entries[1].a_perm = (mode >> 3) & 7;
+  ctx->aclv_entries[1].a_perm = (ctx->mode >> 3) & 7;
   ctx->aclv_entries[2].a_type = CLASS_OBJ;
   ctx->aclv_entries[2].a_id = 0;
-  ctx->aclv_entries[2].a_perm = (mode >> 3) & 7;
+  ctx->aclv_entries[2].a_perm = (ctx->mode >> 3) & 7;
   ctx->aclv_entries[3].a_type = OTHER_OBJ;
   ctx->aclv_entries[3].a_id = 0;
-  ctx->aclv_entries[3].a_perm = mode & 7;
+  ctx->aclv_entries[3].a_perm = ctx->mode & 7;
   ctx->aclv_count = 4;
 
-  ret = aclsort (sizeof (entries) / sizeof (struct acl), 1, entries);
+  ret = aclsort (ctx->aclv_count, 1, ctx->aclv_entries);
   if (ret > 0)
     abort ();
   return ret;
 }
-#endif
+#  endif
 
 # elif HAVE_ACLX_GET && defined ACL_AIX_WIP /* AIX */
 static int
@@ -458,19 +461,19 @@ context_acl_from_mode (struct permission_context *ctx)
 
   ctx->entries[0].a_type = USER_OBJ;
   ctx->entries[0].a_id = 0; /* irrelevant */
-  ctx->entries[0].a_perm = (mode >> 6) & 7;
+  ctx->entries[0].a_perm = (ctx->mode >> 6) & 7;
   ctx->entries[1].a_type = GROUP_OBJ;
   ctx->entries[1].a_id = 0; /* irrelevant */
-  ctx->entries[1].a_perm = (mode >> 3) & 7;
+  ctx->entries[1].a_perm = (ctx->mode >> 3) & 7;
   ctx->entries[2].a_type = CLASS_OBJ;
   ctx->entries[2].a_id = 0;
-  ctx->entries[2].a_perm = (mode >> 3) & 7;
+  ctx->entries[2].a_perm = (ctx->mode >> 3) & 7;
   ctx->entries[3].a_type = OTHER_OBJ;
   ctx->entries[3].a_id = 0;
-  ctx->entries[3].a_perm = mode & 7;
+  ctx->entries[3].a_perm = ctx->mode & 7;
   ctx->count = 4;
 
-  ret = aclsort (sizeof (entries) / sizeof (struct acl), 1, entries);
+  ret = aclsort (ctx->count, 1, entries);
   if (ret > 0)
     abort ();
   return ret;
@@ -483,18 +486,18 @@ set_acls (struct permission_context *ctx, const char *name, int desc,
 {
   int ret = 0;
 
-#if HAVE_ACL_GET_FILE
+# if HAVE_ACL_GET_FILE
   /* POSIX 1003.1e (draft 17 -- abandoned) specific version.  */
   /* Linux, FreeBSD, Mac OS X, IRIX, Tru64 */
 #  if !HAVE_ACL_TYPE_EXTENDED
   /* Linux, FreeBSD, IRIX, Tru64 */
 
-#    ifndef HAVE_ACL_FROM_TEXT
-#     error Must have acl_from_text (see POSIX 1003.1e draft 17).
-#    endif
-#    ifndef HAVE_ACL_DELETE_DEF_FILE
-#     error Must have acl_delete_def_file (see POSIX 1003.1e draft 17).
-#    endif
+#   ifndef HAVE_ACL_FROM_TEXT
+#    error Must have acl_from_text (see POSIX 1003.1e draft 17).
+#   endif
+#   ifndef HAVE_ACL_DELETE_DEF_FILE
+#    error Must have acl_delete_def_file (see POSIX 1003.1e draft 17).
+#   endif
 
   if (! ctx->acls_not_supported)
     {
@@ -641,9 +644,9 @@ set_acls (struct permission_context *ctx, const char *name, int desc,
       else
         *acls_set = true;
     }
-# endif
+#  endif
 
-#elif HAVE_GETACL /* HP-UX */
+# elif HAVE_GETACL /* HP-UX */
 
   if (from_mode)
     ret = context_acl_from_mode (ctx, name, desc);
@@ -657,7 +660,7 @@ set_acls (struct permission_context *ctx, const char *name, int desc,
       if (ret < 0)
         {
           if ((errno == ENOSYS || errno == EOPNOTSUPP || errno == ENOTSUP)
-              && (from_mode || !acl_nontrivial (ctx->count, ctx->entries, &source_statbuf)))
+              && (from_mode || !acl_nontrivial (ctx->count, ctx->entries)))
             ret = 0;
         }
       else
@@ -730,7 +733,7 @@ set_acls (struct permission_context *ctx, const char *name, int desc,
 
   /* Nothing to do. */
 
-#endif
+# endif
 
   return ret;
 }
@@ -801,10 +804,9 @@ set_permissions (struct permission_context *ctx, const char *name, int desc)
       int saved_errno = ret ? errno : 0;
 
       /* If we can't set an acl which we expect to be able to set, try setting
-         the permissions to ctx->mode. Doe to possible inherited permissions,
+         the permissions to ctx->mode. Due to possible inherited permissions,
          we cannot simply chmod.  */
 
-      acls_set = false;
       ret = set_acls (ctx, name, desc, true, &must_chmod, &acls_set);
       if (! acls_set)
         must_chmod = true;
diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4
index b301abeda05..40e82f6e27f 100644
--- a/m4/gnulib-common.m4
+++ b/m4/gnulib-common.m4
@@ -278,12 +278,12 @@ Amsterdam
       dnl but prefer ${host}-ar over ar (useful for cross-compiling).
       AC_CHECK_TOOL([AR], [ar], [ar])
       if test -z "$ARFLAGS"; then
-        ARFLAGS='cru'
+        ARFLAGS='cr'
       fi
     fi
   else
     if test -z "$ARFLAGS"; then
-      ARFLAGS='cru'
+      ARFLAGS='cr'
     fi
   fi
   AC_SUBST([AR])