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  1. # generated automatically by aclocal 1.16.3 -*- Autoconf -*-
  2. # Copyright (C) 1996-2020 Free Software Foundation, Inc.
  3. # This file is free software; the Free Software Foundation
  4. # gives unlimited permission to copy and/or distribute it,
  5. # with or without modifications, as long as this notice is preserved.
  6. # This program is distributed in the hope that it will be useful,
  7. # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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  18. # Copyright (C) 2002-2020 Free Software Foundation, Inc.
  19. #
  20. # This file is free software; the Free Software Foundation
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  227. for depmode in $am_compiler_list; do
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  231. #
  232. # We need to recreate these files for each test, as the compiler may
  233. # overwrite some of them when testing with obscure command lines.
  234. # This happens at least with the AIX C compiler.
  235. : > sub/conftest.c
  236. for i in 1 2 3 4 5 6; do
  237. echo '#include "conftst'$i'.h"' >> sub/conftest.c
  238. # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
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  240. echo '/* dummy */' > sub/conftst$i.h
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  257. if test "x$enable_dependency_tracking" = xyes; then
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  259. else
  260. break
  261. fi
  262. ;;
  263. msvc7 | msvc7msys | msvisualcpp | msvcmsys)
  264. # This compiler won't grok '-c -o', but also, the minuso test has
  265. # not run yet. These depmodes are late enough in the game, and
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  267. am__obj=conftest.${OBJEXT-o}
  268. am__minus_obj=
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  276. >/dev/null 2>conftest.err &&
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  332. AC_SUBST([am__nodep])dnl
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  335. # Generate code to set up dependency tracking. -*- Autoconf -*-
  336. # Copyright (C) 1999-2020 Free Software Foundation, Inc.
  337. #
  338. # This file is free software; the Free Software Foundation
  339. # gives unlimited permission to copy and/or distribute it,
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  341. # _AM_OUTPUT_DEPENDENCY_COMMANDS
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  372. if test $am_rc -ne 0; then
  373. AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
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  380. AS_UNSET([am_dirpart])
  381. AS_UNSET([am_filepart])
  382. AS_UNSET([am_mf])
  383. AS_UNSET([am_rc])
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  398. # Do all the work for Automake. -*- Autoconf -*-
  399. # Copyright (C) 1996-2020 Free Software Foundation, Inc.
  400. #
  401. # This file is free software; the Free Software Foundation
  402. # gives unlimited permission to copy and/or distribute it,
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  458. m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
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  460. [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
  461. AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
  462. AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
  463. _AM_IF_OPTION([no-define],,
  464. [AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
  465. AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
  466. # Some tools Automake needs.
  467. AC_REQUIRE([AM_SANITY_CHECK])dnl
  468. AC_REQUIRE([AC_ARG_PROGRAM])dnl
  469. AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
  470. AM_MISSING_PROG([AUTOCONF], [autoconf])
  471. AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
  472. AM_MISSING_PROG([AUTOHEADER], [autoheader])
  473. AM_MISSING_PROG([MAKEINFO], [makeinfo])
  474. AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  475. AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
  476. AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  477. # For better backward compatibility. To be removed once Automake 1.9.x
  478. # dies out for good. For more background, see:
  479. # <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
  480. # <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
  481. AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
  482. # We need awk for the "check" target (and possibly the TAP driver). The
  483. # system "awk" is bad on some platforms.
  484. AC_REQUIRE([AC_PROG_AWK])dnl
  485. AC_REQUIRE([AC_PROG_MAKE_SET])dnl
  486. AC_REQUIRE([AM_SET_LEADING_DOT])dnl
  487. _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
  488. [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
  489. [_AM_PROG_TAR([v7])])])
  490. _AM_IF_OPTION([no-dependencies],,
  491. [AC_PROVIDE_IFELSE([AC_PROG_CC],
  492. [_AM_DEPENDENCIES([CC])],
  493. [m4_define([AC_PROG_CC],
  494. m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
  495. AC_PROVIDE_IFELSE([AC_PROG_CXX],
  496. [_AM_DEPENDENCIES([CXX])],
  497. [m4_define([AC_PROG_CXX],
  498. m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
  499. AC_PROVIDE_IFELSE([AC_PROG_OBJC],
  500. [_AM_DEPENDENCIES([OBJC])],
  501. [m4_define([AC_PROG_OBJC],
  502. m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
  503. AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
  504. [_AM_DEPENDENCIES([OBJCXX])],
  505. [m4_define([AC_PROG_OBJCXX],
  506. m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
  507. ])
  508. AC_REQUIRE([AM_SILENT_RULES])dnl
  509. dnl The testsuite driver may need to know about EXEEXT, so add the
  510. dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This
  511. dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
  512. AC_CONFIG_COMMANDS_PRE(dnl
  513. [m4_provide_if([_AM_COMPILER_EXEEXT],
  514. [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
  515. # POSIX will say in a future version that running "rm -f" with no argument
  516. # is OK; and we want to be able to make that assumption in our Makefile
  517. # recipes. So use an aggressive probe to check that the usage we want is
  518. # actually supported "in the wild" to an acceptable degree.
  519. # See automake bug#10828.
  520. # To make any issue more visible, cause the running configure to be aborted
  521. # by default if the 'rm' program in use doesn't match our expectations; the
  522. # user can still override this though.
  523. if rm -f && rm -fr && rm -rf; then : OK; else
  524. cat >&2 <<'END'
  525. Oops!
  526. Your 'rm' program seems unable to run without file operands specified
  527. on the command line, even when the '-f' option is present. This is contrary
  528. to the behaviour of most rm programs out there, and not conforming with
  529. the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
  530. Please tell bug-automake@gnu.org about your system, including the value
  531. of your $PATH and any error possibly output before this message. This
  532. can help us improve future automake versions.
  533. END
  534. if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
  535. echo 'Configuration will proceed anyway, since you have set the' >&2
  536. echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
  537. echo >&2
  538. else
  539. cat >&2 <<'END'
  540. Aborting the configuration process, to ensure you take notice of the issue.
  541. You can download and install GNU coreutils to get an 'rm' implementation
  542. that behaves properly: <https://www.gnu.org/software/coreutils/>.
  543. If you want to complete the configuration process using your problematic
  544. 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
  545. to "yes", and re-run configure.
  546. END
  547. AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
  548. fi
  549. fi
  550. dnl The trailing newline in this macro's definition is deliberate, for
  551. dnl backward compatibility and to allow trailing 'dnl'-style comments
  552. dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
  553. ])
  554. dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
  555. dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
  556. dnl mangled by Autoconf and run in a shell conditional statement.
  557. m4_define([_AC_COMPILER_EXEEXT],
  558. m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
  559. # When config.status generates a header, we must update the stamp-h file.
  560. # This file resides in the same directory as the config header
  561. # that is generated. The stamp files are numbered to have different names.
  562. # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
  563. # loop where config.status creates the headers, so we can generate
  564. # our stamp files there.
  565. AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
  566. [# Compute $1's index in $config_headers.
  567. _am_arg=$1
  568. _am_stamp_count=1
  569. for _am_header in $config_headers :; do
  570. case $_am_header in
  571. $_am_arg | $_am_arg:* )
  572. break ;;
  573. * )
  574. _am_stamp_count=`expr $_am_stamp_count + 1` ;;
  575. esac
  576. done
  577. echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
  578. # Copyright (C) 2001-2020 Free Software Foundation, Inc.
  579. #
  580. # This file is free software; the Free Software Foundation
  581. # gives unlimited permission to copy and/or distribute it,
  582. # with or without modifications, as long as this notice is preserved.
  583. # AM_PROG_INSTALL_SH
  584. # ------------------
  585. # Define $install_sh.
  586. AC_DEFUN([AM_PROG_INSTALL_SH],
  587. [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  588. if test x"${install_sh+set}" != xset; then
  589. case $am_aux_dir in
  590. *\ * | *\ *)
  591. install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
  592. *)
  593. install_sh="\${SHELL} $am_aux_dir/install-sh"
  594. esac
  595. fi
  596. AC_SUBST([install_sh])])
  597. # Copyright (C) 2003-2020 Free Software Foundation, Inc.
  598. #
  599. # This file is free software; the Free Software Foundation
  600. # gives unlimited permission to copy and/or distribute it,
  601. # with or without modifications, as long as this notice is preserved.
  602. # Check whether the underlying file-system supports filenames
  603. # with a leading dot. For instance MS-DOS doesn't.
  604. AC_DEFUN([AM_SET_LEADING_DOT],
  605. [rm -rf .tst 2>/dev/null
  606. mkdir .tst 2>/dev/null
  607. if test -d .tst; then
  608. am__leading_dot=.
  609. else
  610. am__leading_dot=_
  611. fi
  612. rmdir .tst 2>/dev/null
  613. AC_SUBST([am__leading_dot])])
  614. # Check to see how 'make' treats includes. -*- Autoconf -*-
  615. # Copyright (C) 2001-2020 Free Software Foundation, Inc.
  616. #
  617. # This file is free software; the Free Software Foundation
  618. # gives unlimited permission to copy and/or distribute it,
  619. # with or without modifications, as long as this notice is preserved.
  620. # AM_MAKE_INCLUDE()
  621. # -----------------
  622. # Check whether make has an 'include' directive that can support all
  623. # the idioms we need for our automatic dependency tracking code.
  624. AC_DEFUN([AM_MAKE_INCLUDE],
  625. [AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
  626. cat > confinc.mk << 'END'
  627. am__doit:
  628. @echo this is the am__doit target >confinc.out
  629. .PHONY: am__doit
  630. END
  631. am__include="#"
  632. am__quote=
  633. # BSD make does it like this.
  634. echo '.include "confinc.mk" # ignored' > confmf.BSD
  635. # Other make implementations (GNU, Solaris 10, AIX) do it like this.
  636. echo 'include confinc.mk # ignored' > confmf.GNU
  637. _am_result=no
  638. for s in GNU BSD; do
  639. AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
  640. AS_CASE([$?:`cat confinc.out 2>/dev/null`],
  641. ['0:this is the am__doit target'],
  642. [AS_CASE([$s],
  643. [BSD], [am__include='.include' am__quote='"'],
  644. [am__include='include' am__quote=''])])
  645. if test "$am__include" != "#"; then
  646. _am_result="yes ($s style)"
  647. break
  648. fi
  649. done
  650. rm -f confinc.* confmf.*
  651. AC_MSG_RESULT([${_am_result}])
  652. AC_SUBST([am__include])])
  653. AC_SUBST([am__quote])])
  654. # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
  655. # Copyright (C) 1997-2020 Free Software Foundation, Inc.
  656. #
  657. # This file is free software; the Free Software Foundation
  658. # gives unlimited permission to copy and/or distribute it,
  659. # with or without modifications, as long as this notice is preserved.
  660. # AM_MISSING_PROG(NAME, PROGRAM)
  661. # ------------------------------
  662. AC_DEFUN([AM_MISSING_PROG],
  663. [AC_REQUIRE([AM_MISSING_HAS_RUN])
  664. $1=${$1-"${am_missing_run}$2"}
  665. AC_SUBST($1)])
  666. # AM_MISSING_HAS_RUN
  667. # ------------------
  668. # Define MISSING if not defined so far and test if it is modern enough.
  669. # If it is, set am_missing_run to use it, otherwise, to nothing.
  670. AC_DEFUN([AM_MISSING_HAS_RUN],
  671. [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  672. AC_REQUIRE_AUX_FILE([missing])dnl
  673. if test x"${MISSING+set}" != xset; then
  674. MISSING="\${SHELL} '$am_aux_dir/missing'"
  675. fi
  676. # Use eval to expand $SHELL
  677. if eval "$MISSING --is-lightweight"; then
  678. am_missing_run="$MISSING "
  679. else
  680. am_missing_run=
  681. AC_MSG_WARN(['missing' script is too old or missing])
  682. fi
  683. ])
  684. # Helper functions for option handling. -*- Autoconf -*-
  685. # Copyright (C) 2001-2020 Free Software Foundation, Inc.
  686. #
  687. # This file is free software; the Free Software Foundation
  688. # gives unlimited permission to copy and/or distribute it,
  689. # with or without modifications, as long as this notice is preserved.
  690. # _AM_MANGLE_OPTION(NAME)
  691. # -----------------------
  692. AC_DEFUN([_AM_MANGLE_OPTION],
  693. [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
  694. # _AM_SET_OPTION(NAME)
  695. # --------------------
  696. # Set option NAME. Presently that only means defining a flag for this option.
  697. AC_DEFUN([_AM_SET_OPTION],
  698. [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
  699. # _AM_SET_OPTIONS(OPTIONS)
  700. # ------------------------
  701. # OPTIONS is a space-separated list of Automake options.
  702. AC_DEFUN([_AM_SET_OPTIONS],
  703. [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
  704. # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
  705. # -------------------------------------------
  706. # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
  707. AC_DEFUN([_AM_IF_OPTION],
  708. [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
  709. # Copyright (C) 1999-2020 Free Software Foundation, Inc.
  710. #
  711. # This file is free software; the Free Software Foundation
  712. # gives unlimited permission to copy and/or distribute it,
  713. # with or without modifications, as long as this notice is preserved.
  714. # _AM_PROG_CC_C_O
  715. # ---------------
  716. # Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
  717. # to automatically call this.
  718. AC_DEFUN([_AM_PROG_CC_C_O],
  719. [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
  720. AC_REQUIRE_AUX_FILE([compile])dnl
  721. AC_LANG_PUSH([C])dnl
  722. AC_CACHE_CHECK(
  723. [whether $CC understands -c and -o together],
  724. [am_cv_prog_cc_c_o],
  725. [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
  726. # Make sure it works both with $CC and with simple cc.
  727. # Following AC_PROG_CC_C_O, we do the test twice because some
  728. # compilers refuse to overwrite an existing .o file with -o,
  729. # though they will create one.
  730. am_cv_prog_cc_c_o=yes
  731. for am_i in 1 2; do
  732. if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
  733. && test -f conftest2.$ac_objext; then
  734. : OK
  735. else
  736. am_cv_prog_cc_c_o=no
  737. break
  738. fi
  739. done
  740. rm -f core conftest*
  741. unset am_i])
  742. if test "$am_cv_prog_cc_c_o" != yes; then
  743. # Losing compiler, so override with the script.
  744. # FIXME: It is wrong to rewrite CC.
  745. # But if we don't then we get into trouble of one sort or another.
  746. # A longer-term fix would be to have automake use am__CC in this case,
  747. # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
  748. CC="$am_aux_dir/compile $CC"
  749. fi
  750. AC_LANG_POP([C])])
  751. # For backward compatibility.
  752. AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
  753. # Copyright (C) 2001-2020 Free Software Foundation, Inc.
  754. #
  755. # This file is free software; the Free Software Foundation
  756. # gives unlimited permission to copy and/or distribute it,
  757. # with or without modifications, as long as this notice is preserved.
  758. # AM_RUN_LOG(COMMAND)
  759. # -------------------
  760. # Run COMMAND, save the exit status in ac_status, and log it.
  761. # (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
  762. AC_DEFUN([AM_RUN_LOG],
  763. [{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
  764. ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
  765. ac_status=$?
  766. echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
  767. (exit $ac_status); }])
  768. # Check to make sure that the build environment is sane. -*- Autoconf -*-
  769. # Copyright (C) 1996-2020 Free Software Foundation, Inc.
  770. #
  771. # This file is free software; the Free Software Foundation
  772. # gives unlimited permission to copy and/or distribute it,
  773. # with or without modifications, as long as this notice is preserved.
  774. # AM_SANITY_CHECK
  775. # ---------------
  776. AC_DEFUN([AM_SANITY_CHECK],
  777. [AC_MSG_CHECKING([whether build environment is sane])
  778. # Reject unsafe characters in $srcdir or the absolute working directory
  779. # name. Accept space and tab only in the latter.
  780. am_lf='
  781. '
  782. case `pwd` in
  783. *[[\\\"\#\$\&\'\`$am_lf]]*)
  784. AC_MSG_ERROR([unsafe absolute working directory name]);;
  785. esac
  786. case $srcdir in
  787. *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
  788. AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
  789. esac
  790. # Do 'set' in a subshell so we don't clobber the current shell's
  791. # arguments. Must try -L first in case configure is actually a
  792. # symlink; some systems play weird games with the mod time of symlinks
  793. # (eg FreeBSD returns the mod time of the symlink's containing
  794. # directory).
  795. if (
  796. am_has_slept=no
  797. for am_try in 1 2; do
  798. echo "timestamp, slept: $am_has_slept" > conftest.file
  799. set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
  800. if test "$[*]" = "X"; then
  801. # -L didn't work.
  802. set X `ls -t "$srcdir/configure" conftest.file`
  803. fi
  804. if test "$[*]" != "X $srcdir/configure conftest.file" \
  805. && test "$[*]" != "X conftest.file $srcdir/configure"; then
  806. # If neither matched, then we have a broken ls. This can happen
  807. # if, for instance, CONFIG_SHELL is bash and it inherits a
  808. # broken ls alias from the environment. This has actually
  809. # happened. Such a system could not be considered "sane".
  810. AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
  811. alias in your environment])
  812. fi
  813. if test "$[2]" = conftest.file || test $am_try -eq 2; then
  814. break
  815. fi
  816. # Just in case.
  817. sleep 1
  818. am_has_slept=yes
  819. done
  820. test "$[2]" = conftest.file
  821. )
  822. then
  823. # Ok.
  824. :
  825. else
  826. AC_MSG_ERROR([newly created file is older than distributed files!
  827. Check your system clock])
  828. fi
  829. AC_MSG_RESULT([yes])
  830. # If we didn't sleep, we still need to ensure time stamps of config.status and
  831. # generated files are strictly newer.
  832. am_sleep_pid=
  833. if grep 'slept: no' conftest.file >/dev/null 2>&1; then
  834. ( sleep 1 ) &
  835. am_sleep_pid=$!
  836. fi
  837. AC_CONFIG_COMMANDS_PRE(
  838. [AC_MSG_CHECKING([that generated files are newer than configure])
  839. if test -n "$am_sleep_pid"; then
  840. # Hide warnings about reused PIDs.
  841. wait $am_sleep_pid 2>/dev/null
  842. fi
  843. AC_MSG_RESULT([done])])
  844. rm -f conftest.file
  845. ])
  846. # Copyright (C) 2009-2020 Free Software Foundation, Inc.
  847. #
  848. # This file is free software; the Free Software Foundation
  849. # gives unlimited permission to copy and/or distribute it,
  850. # with or without modifications, as long as this notice is preserved.
  851. # AM_SILENT_RULES([DEFAULT])
  852. # --------------------------
  853. # Enable less verbose build rules; with the default set to DEFAULT
  854. # ("yes" being less verbose, "no" or empty being verbose).
  855. AC_DEFUN([AM_SILENT_RULES],
  856. [AC_ARG_ENABLE([silent-rules], [dnl
  857. AS_HELP_STRING(
  858. [--enable-silent-rules],
  859. [less verbose build output (undo: "make V=1")])
  860. AS_HELP_STRING(
  861. [--disable-silent-rules],
  862. [verbose build output (undo: "make V=0")])dnl
  863. ])
  864. case $enable_silent_rules in @%:@ (((
  865. yes) AM_DEFAULT_VERBOSITY=0;;
  866. no) AM_DEFAULT_VERBOSITY=1;;
  867. *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
  868. esac
  869. dnl
  870. dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
  871. dnl do not support nested variable expansions.
  872. dnl See automake bug#9928 and bug#10237.
  873. am_make=${MAKE-make}
  874. AC_CACHE_CHECK([whether $am_make supports nested variables],
  875. [am_cv_make_support_nested_variables],
  876. [if AS_ECHO([['TRUE=$(BAR$(V))
  877. BAR0=false
  878. BAR1=true
  879. V=1
  880. am__doit:
  881. @$(TRUE)
  882. .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
  883. am_cv_make_support_nested_variables=yes
  884. else
  885. am_cv_make_support_nested_variables=no
  886. fi])
  887. if test $am_cv_make_support_nested_variables = yes; then
  888. dnl Using '$V' instead of '$(V)' breaks IRIX make.
  889. AM_V='$(V)'
  890. AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
  891. else
  892. AM_V=$AM_DEFAULT_VERBOSITY
  893. AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
  894. fi
  895. AC_SUBST([AM_V])dnl
  896. AM_SUBST_NOTMAKE([AM_V])dnl
  897. AC_SUBST([AM_DEFAULT_V])dnl
  898. AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
  899. AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
  900. AM_BACKSLASH='\'
  901. AC_SUBST([AM_BACKSLASH])dnl
  902. _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
  903. ])
  904. # Copyright (C) 2001-2020 Free Software Foundation, Inc.
  905. #
  906. # This file is free software; the Free Software Foundation
  907. # gives unlimited permission to copy and/or distribute it,
  908. # with or without modifications, as long as this notice is preserved.
  909. # AM_PROG_INSTALL_STRIP
  910. # ---------------------
  911. # One issue with vendor 'install' (even GNU) is that you can't
  912. # specify the program used to strip binaries. This is especially
  913. # annoying in cross-compiling environments, where the build's strip
  914. # is unlikely to handle the host's binaries.
  915. # Fortunately install-sh will honor a STRIPPROG variable, so we
  916. # always use install-sh in "make install-strip", and initialize
  917. # STRIPPROG with the value of the STRIP variable (set by the user).
  918. AC_DEFUN([AM_PROG_INSTALL_STRIP],
  919. [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
  920. # Installed binaries are usually stripped using 'strip' when the user
  921. # run "make install-strip". However 'strip' might not be the right
  922. # tool to use in cross-compilation environments, therefore Automake
  923. # will honor the 'STRIP' environment variable to overrule this program.
  924. dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
  925. if test "$cross_compiling" != no; then
  926. AC_CHECK_TOOL([STRIP], [strip], :)
  927. fi
  928. INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
  929. AC_SUBST([INSTALL_STRIP_PROGRAM])])
  930. # Copyright (C) 2006-2020 Free Software Foundation, Inc.
  931. #
  932. # This file is free software; the Free Software Foundation
  933. # gives unlimited permission to copy and/or distribute it,
  934. # with or without modifications, as long as this notice is preserved.
  935. # _AM_SUBST_NOTMAKE(VARIABLE)
  936. # ---------------------------
  937. # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
  938. # This macro is traced by Automake.
  939. AC_DEFUN([_AM_SUBST_NOTMAKE])
  940. # AM_SUBST_NOTMAKE(VARIABLE)
  941. # --------------------------
  942. # Public sister of _AM_SUBST_NOTMAKE.
  943. AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
  944. # Check how to create a tarball. -*- Autoconf -*-
  945. # Copyright (C) 2004-2020 Free Software Foundation, Inc.
  946. #
  947. # This file is free software; the Free Software Foundation
  948. # gives unlimited permission to copy and/or distribute it,
  949. # with or without modifications, as long as this notice is preserved.
  950. # _AM_PROG_TAR(FORMAT)
  951. # --------------------
  952. # Check how to create a tarball in format FORMAT.
  953. # FORMAT should be one of 'v7', 'ustar', or 'pax'.
  954. #
  955. # Substitute a variable $(am__tar) that is a command
  956. # writing to stdout a FORMAT-tarball containing the directory
  957. # $tardir.
  958. # tardir=directory && $(am__tar) > result.tar
  959. #
  960. # Substitute a variable $(am__untar) that extract such
  961. # a tarball read from stdin.
  962. # $(am__untar) < result.tar
  963. #
  964. AC_DEFUN([_AM_PROG_TAR],
  965. [# Always define AMTAR for backward compatibility. Yes, it's still used
  966. # in the wild :-( We should find a proper way to deprecate it ...
  967. AC_SUBST([AMTAR], ['$${TAR-tar}'])
  968. # We'll loop over all known methods to create a tar archive until one works.
  969. _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
  970. m4_if([$1], [v7],
  971. [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
  972. [m4_case([$1],
  973. [ustar],
  974. [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
  975. # There is notably a 21 bits limit for the UID and the GID. In fact,
  976. # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
  977. # and bug#13588).
  978. am_max_uid=2097151 # 2^21 - 1
  979. am_max_gid=$am_max_uid
  980. # The $UID and $GID variables are not portable, so we need to resort
  981. # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
  982. # below are definitely unexpected, so allow the users to see them
  983. # (that is, avoid stderr redirection).
  984. am_uid=`id -u || echo unknown`
  985. am_gid=`id -g || echo unknown`
  986. AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
  987. if test $am_uid -le $am_max_uid; then
  988. AC_MSG_RESULT([yes])
  989. else
  990. AC_MSG_RESULT([no])
  991. _am_tools=none
  992. fi
  993. AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
  994. if test $am_gid -le $am_max_gid; then
  995. AC_MSG_RESULT([yes])
  996. else
  997. AC_MSG_RESULT([no])
  998. _am_tools=none
  999. fi],
  1000. [pax],
  1001. [],
  1002. [m4_fatal([Unknown tar format])])
  1003. AC_MSG_CHECKING([how to create a $1 tar archive])
  1004. # Go ahead even if we have the value already cached. We do so because we
  1005. # need to set the values for the 'am__tar' and 'am__untar' variables.
  1006. _am_tools=${am_cv_prog_tar_$1-$_am_tools}
  1007. for _am_tool in $_am_tools; do
  1008. case $_am_tool in
  1009. gnutar)
  1010. for _am_tar in tar gnutar gtar; do
  1011. AM_RUN_LOG([$_am_tar --version]) && break
  1012. done
  1013. am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
  1014. am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
  1015. am__untar="$_am_tar -xf -"
  1016. ;;
  1017. plaintar)
  1018. # Must skip GNU tar: if it does not support --format= it doesn't create
  1019. # ustar tarball either.
  1020. (tar --version) >/dev/null 2>&1 && continue
  1021. am__tar='tar chf - "$$tardir"'
  1022. am__tar_='tar chf - "$tardir"'
  1023. am__untar='tar xf -'
  1024. ;;
  1025. pax)
  1026. am__tar='pax -L -x $1 -w "$$tardir"'
  1027. am__tar_='pax -L -x $1 -w "$tardir"'
  1028. am__untar='pax -r'
  1029. ;;
  1030. cpio)
  1031. am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
  1032. am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
  1033. am__untar='cpio -i -H $1 -d'
  1034. ;;
  1035. none)
  1036. am__tar=false
  1037. am__tar_=false
  1038. am__untar=false
  1039. ;;
  1040. esac
  1041. # If the value was cached, stop now. We just wanted to have am__tar
  1042. # and am__untar set.
  1043. test -n "${am_cv_prog_tar_$1}" && break
  1044. # tar/untar a dummy directory, and stop if the command works.
  1045. rm -rf conftest.dir
  1046. mkdir conftest.dir
  1047. echo GrepMe > conftest.dir/file
  1048. AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
  1049. rm -rf conftest.dir
  1050. if test -s conftest.tar; then
  1051. AM_RUN_LOG([$am__untar <conftest.tar])
  1052. AM_RUN_LOG([cat conftest.dir/file])
  1053. grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
  1054. fi
  1055. done
  1056. rm -rf conftest.dir
  1057. AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
  1058. AC_MSG_RESULT([$am_cv_prog_tar_$1])])
  1059. AC_SUBST([am__tar])
  1060. AC_SUBST([am__untar])
  1061. ]) # _AM_PROG_TAR
  1062. m4_include([m4/ax_append_compile_flags.m4])
  1063. m4_include([m4/ax_append_flag.m4])
  1064. m4_include([m4/ax_cflags_warn_all.m4])
  1065. m4_include([m4/ax_check_compile_flag.m4])
  1066. m4_include([m4/ax_gcc_func_attribute.m4])
  1067. m4_include([m4/ax_require_defined.m4])
  1068. m4_include([m4/ax_type_socklen_t.m4])
  1069. m4_include([m4/libtool.m4])
  1070. m4_include([m4/ltoptions.m4])
  1071. m4_include([m4/ltsugar.m4])
  1072. m4_include([m4/ltversion.m4])
  1073. m4_include([m4/lt~obsolete.m4])
  1074. m4_include([m4/pkg.m4])