WebSVN - DIN Is Noise - Diff - Rev 2096 and 2097

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-		  [define([AC_PROG_CXX],
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 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
-		  [_AM_DEPENDENCIES(OBJC)],
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+			     m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
+AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
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+		  [m4_define([AC_PROG_OBJCXX],
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-_AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
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+# actually supported "in the wild" to an acceptable degree.
+# See automake bug#10828.
+# To make any issue more visible, cause the running configure to be aborted
+# by default if the 'rm' program in use doesn't match our expectations; the
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+if rm -f && rm -fr && rm -rf; then : OK; else
+  cat >&2 <<'END'
+Oops!
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+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
+Please tell bug-automake@gnu.org about your system, including the value
+of your $PATH and any error possibly output before this message.  This
+can help us improve future automake versions.
+END
+  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
+    echo 'Configuration will proceed anyway, since you have set the' >&2
+    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
+    echo >&2
+  else
+    cat >&2 <<'END'
+Aborting the configuration process, to ensure you take notice of the issue.
+You can download and install GNU coreutils to get an 'rm' implementation
+that behaves properly: <https://www.gnu.org/software/coreutils/>.
+If you want to complete the configuration process using your problematic
+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
+to "yes", and re-run configure.
+END
+    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
+  fi
+fi
+dnl The trailing newline in this macro's definition is deliberate, for
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-dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
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-# Copyright (C) 2001, 2003, 2005, 2008  Free Software Foundation, Inc.
+# Copyright (C) 2001-2020 Free Software Foundation, Inc.
+#
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-AC_SUBST(install_sh)])
+AC_SUBST([install_sh])])
-# Copyright (C) 2003, 2005  Free Software Foundation, Inc.
+# Copyright (C) 2003-2020 Free Software Foundation, Inc.
+#
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-# Copyright (C) 2001, 2002, 2003, 2005, 2009  Free Software Foundation, Inc.
+# Copyright (C) 2001-2020 Free Software Foundation, Inc.
+#
 # This file is free software; the Free Software Foundation
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-if test "$am__include" = "#"; then
+  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
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-     am__quote="\""
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-])
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-# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
-# Free Software Foundation, Inc.
+# Copyright (C) 1997-2020 Free Software Foundation, Inc.
+#
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-# Copyright (C) 2001, 2002, 2003, 2005, 2008  Free Software Foundation, Inc.
+# Copyright (C) 2001-2020 Free Software Foundation, Inc.
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+# Copyright (C) 1999-2020 Free Software Foundation, Inc.
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+# Copyright (C) 1996-2020 Free Software Foundation, Inc.
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+# gives unlimited permission to copy and/or distribute it,
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-# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
+# Copyright (C) 2001-2020 Free Software Foundation, Inc.
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 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])
-# Copyright (C) 2006, 2008  Free Software Foundation, Inc.
+# Copyright (C) 2006-2020 Free Software Foundation, Inc.
+#
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
-# serial 2
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
 # This macro is traced by Automake.
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 # AM_SUBST_NOTMAKE(VARIABLE)
-# ---------------------------
+# --------------------------
 # Public sister of _AM_SUBST_NOTMAKE.
 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 # Check how to create a tarball.                            -*- Autoconf -*-
-# Copyright (C) 2004, 2005  Free Software Foundation, Inc.
+# Copyright (C) 2004-2020 Free Software Foundation, Inc.
+#
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
-# serial 2
 # _AM_PROG_TAR(FORMAT)
 # --------------------
 # Check how to create a tarball in format FORMAT.
-# FORMAT should be one of `v7', `ustar', or `pax'.
+# FORMAT should be one of 'v7', 'ustar', or 'pax'.
+#
 # Substitute a variable $(am__tar) that is a command
 # writing to stdout a FORMAT-tarball containing the directory
 # $tardir.
 #     tardir=directory && $(am__tar) > result.tar
+#
 # Substitute a variable $(am__untar) that extract such
 # a tarball read from stdin.
 #     $(am__untar) < result.tar
+#
 AC_DEFUN([_AM_PROG_TAR],
-[# Always define AMTAR for backward compatibility.
+[# Always define AMTAR for backward compatibility.  Yes, it's still used
-AM_MISSING_PROG([AMTAR], [tar])
-m4_if([$1], [v7],
-     [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
+# in the wild :-(  We should find a proper way to deprecate it ...
-     [m4_case([$1], [ustar],, [pax],,
+AC_SUBST([AMTAR], ['$${TAR-tar}'])
-              [m4_fatal([Unknown tar format])])
-AC_MSG_CHECKING([how to create a $1 tar archive])
-# Loop over all known methods to create a tar archive until one works.
+# We'll loop over all known methods to create a tar archive until one works.
 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
-_am_tools=${am_cv_prog_tar_$1-$_am_tools}
-# Do not fold the above two line into one, because Tru64 sh and
-# Solaris sh will not grok spaces in the rhs of `-'.
-for _am_tool in $_am_tools
-do
-  case $_am_tool in
-  gnutar)
-    for _am_tar in tar gnutar gtar;
-    do
-      AM_RUN_LOG([$_am_tar --version]) && break
-    done
-    am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
-    am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
-    am__untar="$_am_tar -xf -"
-    ;;
-  plaintar)
-    # Must skip GNU tar: if it does not support --format= it doesn't create
-    # ustar tarball either.
-    (tar --version) >/dev/null 2>&1 && continue
-    am__tar='tar chf - "$$tardir"'
-    am__tar_='tar chf - "$tardir"'
-    am__untar='tar xf -'
-    ;;
-  pax)
-    am__tar='pax -L -x $1 -w "$$tardir"'
-    am__tar_='pax -L -x $1 -w "$tardir"'
-    am__untar='pax -r'
-    ;;
-  cpio)
-    am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
-    am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
-    am__untar='cpio -i -H $1 -d'
-    ;;
-  none)
-    am__tar=false
-    am__tar_=false
-    am__untar=false
-    ;;
-  esac
-  # If the value was cached, stop now.  We just wanted to have am__tar
-  # and am__untar set.
+m4_if([$1], [v7],
-  test -n "${am_cv_prog_tar_$1}" && break
+  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
+  [m4_case([$1],
+    [ustar],
+     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
+      # There is notably a 21 bits limit for the UID and the GID.  In fact,
+      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
+      # and bug#13588).
+      am_max_uid=2097151 # 2^21 - 1
+      am_max_gid=$am_max_uid
+      # The $UID and $GID variables are not portable, so we need to resort
+      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
+      # below are definitely unexpected, so allow the users to see them
+      # (that is, avoid stderr redirection).
+      am_uid=`id -u || echo unknown`
+      am_gid=`id -g || echo unknown`
+      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
+      if test $am_uid -le $am_max_uid; then
+         AC_MSG_RESULT([yes])
+      else
+         AC_MSG_RESULT([no])
+         _am_tools=none
+      fi
+      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
+      if test $am_gid -le $am_max_gid; then
+         AC_MSG_RESULT([yes])
+      else
+        AC_MSG_RESULT([no])
+        _am_tools=none
+      fi],
+  [pax],
+    [],
+  [m4_fatal([Unknown tar format])])
+  AC_MSG_CHECKING([how to create a $1 tar archive])
+  # Go ahead even if we have the value already cached.  We do so because we
+  # need to set the values for the 'am__tar' and 'am__untar' variables.
+  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
+  for _am_tool in $_am_tools; do
+    case $_am_tool in
+    gnutar)
+      for _am_tar in tar gnutar gtar; do
+        AM_RUN_LOG([$_am_tar --version]) && break
+      done
+      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
+      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
+      am__untar="$_am_tar -xf -"
+      ;;
+    plaintar)
+      # Must skip GNU tar: if it does not support --format= it doesn't create
+      # ustar tarball either.
+      (tar --version) >/dev/null 2>&1 && continue
+      am__tar='tar chf - "$$tardir"'
+      am__tar_='tar chf - "$tardir"'
+      am__untar='tar xf -'
+      ;;
+    pax)
+      am__tar='pax -L -x $1 -w "$$tardir"'
+      am__tar_='pax -L -x $1 -w "$tardir"'
+      am__untar='pax -r'
+      ;;
+    cpio)
+      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
+      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
+      am__untar='cpio -i -H $1 -d'
+      ;;
+    none)
+      am__tar=false
+      am__tar_=false
+      am__untar=false
+      ;;
+    esac
+    # If the value was cached, stop now.  We just wanted to have am__tar
+    # and am__untar set.
+    test -n "${am_cv_prog_tar_$1}" && break
-  # tar/untar a dummy directory, and stop if the command works
+    # tar/untar a dummy directory, and stop if the command works.
-  rm -rf conftest.dir
+    rm -rf conftest.dir
-  mkdir conftest.dir
+    mkdir conftest.dir
-  echo GrepMe > conftest.dir/file
+    echo GrepMe > conftest.dir/file
-  AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
+    rm -rf conftest.dir
+    if test -s conftest.tar; then
+      AM_RUN_LOG([$am__untar <conftest.tar])
+      AM_RUN_LOG([cat conftest.dir/file])
+      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
+    fi
+  done
   rm -rf conftest.dir
-  if test -s conftest.tar; then
-    AM_RUN_LOG([$am__untar <conftest.tar])
-    grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
-  fi
-done
-rm -rf conftest.dir
-AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
+  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
-AC_MSG_RESULT([$am_cv_prog_tar_$1])])
+  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
 AC_SUBST([am__tar])
 AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
 m4_include([acinclude.m4])

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(root)/wip/aclocal.m4 - Rev 2096 → 2097