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3 # Copyright (C) 1996-2021 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
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361 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
363 # This file is free software; the Free Software Foundation
364 # gives unlimited permission to copy and/or distribute it,
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382 # Copyright (C) 2003-2021 Free Software Foundation, Inc.
384 # This file is free software; the Free Software Foundation
385 # gives unlimited permission to copy and/or distribute it,
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401 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
403 # Copyright (C) 1997-2021 Free Software Foundation, Inc.
405 # This file is free software; the Free Software Foundation
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409 # AM_MISSING_PROG(NAME, PROGRAM)
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435 # Helper functions for option handling. -*- Autoconf -*-
437 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
439 # This file is free software; the Free Software Foundation
440 # gives unlimited permission to copy and/or distribute it,
441 # with or without modifications, as long as this notice is preserved.
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466 # Check to make sure that the build environment is sane. -*- Autoconf -*-
468 # Copyright (C) 1996-2021 Free Software Foundation, Inc.
470 # This file is free software; the Free Software Foundation
471 # gives unlimited permission to copy and/or distribute it,
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476 AC_DEFUN([AM_SANITY_CHECK],
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549 # Copyright (C) 2009-2021 Free Software Foundation, Inc.
551 # This file is free software; the Free Software Foundation
552 # gives unlimited permission to copy and/or distribute it,
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609 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
611 # This file is free software; the Free Software Foundation
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615 # AM_PROG_INSTALL_STRIP
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634 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
635 AC_SUBST([INSTALL_STRIP_PROGRAM])])
637 # Copyright (C) 2006-2021 Free Software Foundation, Inc.
639 # This file is free software; the Free Software Foundation
640 # gives unlimited permission to copy and/or distribute it,
641 # with or without modifications, as long as this notice is preserved.
643 # _AM_SUBST_NOTMAKE(VARIABLE)
644 # ---------------------------
645 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
646 # This macro is traced by Automake.
647 AC_DEFUN([_AM_SUBST_NOTMAKE])
649 # AM_SUBST_NOTMAKE(VARIABLE)
650 # --------------------------
651 # Public sister of _AM_SUBST_NOTMAKE.
652 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
654 # Check how to create a tarball. -*- Autoconf -*-
656 # Copyright (C) 2004-2021 Free Software Foundation, Inc.
658 # This file is free software; the Free Software Foundation
659 # gives unlimited permission to copy and/or distribute it,
660 # with or without modifications, as long as this notice is preserved.
662 # _AM_PROG_TAR(FORMAT)
663 # --------------------
664 # Check how to create a tarball in format FORMAT.
665 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
667 # Substitute a variable $(am__tar) that is a command
668 # writing to stdout a FORMAT-tarball containing the directory
670 # tardir=directory && $(am__tar) > result.tar
672 # Substitute a variable $(am__untar) that extract such
673 # a tarball read from stdin.
674 # $(am__untar) < result.tar
676 AC_DEFUN([_AM_PROG_TAR],
677 [# Always define AMTAR for backward compatibility. Yes, it's still used
678 # in the wild :-( We should find a proper way to deprecate it ...
679 AC_SUBST([AMTAR], ['$${TAR-tar}'])
681 # We'll loop over all known methods to create a tar archive until one works.
682 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
685 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
689 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
690 # There is notably a 21 bits limit for the UID and the GID. In fact,
691 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
693 am_max_uid=2097151 # 2^21 - 1
694 am_max_gid=$am_max_uid
695 # The $UID and $GID variables are not portable, so we need to resort
696 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
697 # below are definitely unexpected, so allow the users to see them
698 # (that is, avoid stderr redirection).
699 am_uid=`id -u || echo unknown`
700 am_gid=`id -g || echo unknown`
701 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
702 if test $am_uid -le $am_max_uid; then
708 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
709 if test $am_gid -le $am_max_gid; then
719 [m4_fatal([Unknown tar format])])
721 AC_MSG_CHECKING([how to create a $1 tar archive])
723 # Go ahead even if we have the value already cached. We do so because we
724 # need to set the values for the 'am__tar' and 'am__untar' variables.
725 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
727 for _am_tool in $_am_tools; do
730 for _am_tar in tar gnutar gtar; do
731 AM_RUN_LOG([$_am_tar --version]) && break
733 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
734 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
735 am__untar="$_am_tar -xf -"
738 # Must skip GNU tar: if it does not support --format= it doesn't create
739 # ustar tarball either.
740 (tar --version) >/dev/null 2>&1 && continue
741 am__tar='tar chf - "$$tardir"'
742 am__tar_='tar chf - "$tardir"'
746 am__tar='pax -L -x $1 -w "$$tardir"'
747 am__tar_='pax -L -x $1 -w "$tardir"'
751 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
752 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
753 am__untar='cpio -i -H $1 -d'
762 # If the value was cached, stop now. We just wanted to have am__tar
764 test -n "${am_cv_prog_tar_$1}" && break
766 # tar/untar a dummy directory, and stop if the command works.
769 echo GrepMe > conftest.dir/file
770 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
772 if test -s conftest.tar; then
773 AM_RUN_LOG([$am__untar <conftest.tar])
774 AM_RUN_LOG([cat conftest.dir/file])
775 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
780 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
781 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
784 AC_SUBST([am__untar])