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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,
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361 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
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384 # This file is free software; the Free Software Foundation
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471 # Helper functions for option handling. -*- Autoconf -*-
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632 AM_V=$AM_DEFAULT_VERBOSITY
633 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
636 AM_SUBST_NOTMAKE([AM_V])dnl
637 AC_SUBST([AM_DEFAULT_V])dnl
638 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
639 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
641 AC_SUBST([AM_BACKSLASH])dnl
642 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
645 # Copyright (C) 2001-2021 Free Software Foundation, Inc.
647 # This file is free software; the Free Software Foundation
648 # gives unlimited permission to copy and/or distribute it,
649 # with or without modifications, as long as this notice is preserved.
651 # AM_PROG_INSTALL_STRIP
652 # ---------------------
653 # One issue with vendor 'install' (even GNU) is that you can't
654 # specify the program used to strip binaries. This is especially
655 # annoying in cross-compiling environments, where the build's strip
656 # is unlikely to handle the host's binaries.
657 # Fortunately install-sh will honor a STRIPPROG variable, so we
658 # always use install-sh in "make install-strip", and initialize
659 # STRIPPROG with the value of the STRIP variable (set by the user).
660 AC_DEFUN([AM_PROG_INSTALL_STRIP],
661 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
662 # Installed binaries are usually stripped using 'strip' when the user
663 # run "make install-strip". However 'strip' might not be the right
664 # tool to use in cross-compilation environments, therefore Automake
665 # will honor the 'STRIP' environment variable to overrule this program.
666 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
667 if test "$cross_compiling" != no; then
668 AC_CHECK_TOOL([STRIP], [strip], :)
670 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
671 AC_SUBST([INSTALL_STRIP_PROGRAM])])
673 # Copyright (C) 2006-2021 Free Software Foundation, Inc.
675 # This file is free software; the Free Software Foundation
676 # gives unlimited permission to copy and/or distribute it,
677 # with or without modifications, as long as this notice is preserved.
679 # _AM_SUBST_NOTMAKE(VARIABLE)
680 # ---------------------------
681 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
682 # This macro is traced by Automake.
683 AC_DEFUN([_AM_SUBST_NOTMAKE])
685 # AM_SUBST_NOTMAKE(VARIABLE)
686 # --------------------------
687 # Public sister of _AM_SUBST_NOTMAKE.
688 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
690 # Check how to create a tarball. -*- Autoconf -*-
692 # Copyright (C) 2004-2021 Free Software Foundation, Inc.
694 # This file is free software; the Free Software Foundation
695 # gives unlimited permission to copy and/or distribute it,
696 # with or without modifications, as long as this notice is preserved.
698 # _AM_PROG_TAR(FORMAT)
699 # --------------------
700 # Check how to create a tarball in format FORMAT.
701 # FORMAT should be one of 'v7', 'ustar', or 'pax'.
703 # Substitute a variable $(am__tar) that is a command
704 # writing to stdout a FORMAT-tarball containing the directory
706 # tardir=directory && $(am__tar) > result.tar
708 # Substitute a variable $(am__untar) that extract such
709 # a tarball read from stdin.
710 # $(am__untar) < result.tar
712 AC_DEFUN([_AM_PROG_TAR],
713 [# Always define AMTAR for backward compatibility. Yes, it's still used
714 # in the wild :-( We should find a proper way to deprecate it ...
715 AC_SUBST([AMTAR], ['$${TAR-tar}'])
717 # We'll loop over all known methods to create a tar archive until one works.
718 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
721 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
725 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
726 # There is notably a 21 bits limit for the UID and the GID. In fact,
727 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
729 am_max_uid=2097151 # 2^21 - 1
730 am_max_gid=$am_max_uid
731 # The $UID and $GID variables are not portable, so we need to resort
732 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
733 # below are definitely unexpected, so allow the users to see them
734 # (that is, avoid stderr redirection).
735 am_uid=`id -u || echo unknown`
736 am_gid=`id -g || echo unknown`
737 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
738 if test $am_uid -le $am_max_uid; then
744 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
745 if test $am_gid -le $am_max_gid; then
755 [m4_fatal([Unknown tar format])])
757 AC_MSG_CHECKING([how to create a $1 tar archive])
759 # Go ahead even if we have the value already cached. We do so because we
760 # need to set the values for the 'am__tar' and 'am__untar' variables.
761 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
763 for _am_tool in $_am_tools; do
766 for _am_tar in tar gnutar gtar; do
767 AM_RUN_LOG([$_am_tar --version]) && break
769 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
770 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
771 am__untar="$_am_tar -xf -"
774 # Must skip GNU tar: if it does not support --format= it doesn't create
775 # ustar tarball either.
776 (tar --version) >/dev/null 2>&1 && continue
777 am__tar='tar chf - "$$tardir"'
778 am__tar_='tar chf - "$tardir"'
782 am__tar='pax -L -x $1 -w "$$tardir"'
783 am__tar_='pax -L -x $1 -w "$tardir"'
787 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
788 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
789 am__untar='cpio -i -H $1 -d'
798 # If the value was cached, stop now. We just wanted to have am__tar
800 test -n "${am_cv_prog_tar_$1}" && break
802 # tar/untar a dummy directory, and stop if the command works.
805 echo GrepMe > conftest.dir/file
806 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
808 if test -s conftest.tar; then
809 AM_RUN_LOG([$am__untar <conftest.tar])
810 AM_RUN_LOG([cat conftest.dir/file])
811 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
816 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
817 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
820 AC_SUBST([am__untar])