source: aclocal.m4 @ 6c0c52f

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprno_listpersistent-indexerpthread-emulation
Last change on this file since 6c0c52f was 44f44617, checked in by Thierry Delisle <tdelisle@…>, 5 years ago

Fix build for 16.04

  • Property mode set to 100644
File size: 44.5 KB
Line 
1# generated automatically by aclocal 1.15 -*- Autoconf -*-
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3# Copyright (C) 1996-2014 Free Software Foundation, Inc.
4
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.
8
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
11# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
12# PARTICULAR PURPOSE.
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23# Copyright (C) 2002-2014 Free Software Foundation, Inc.
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512if test -z "$CYGPATH_W"; then
513  if (cygpath --version) >/dev/null 2>/dev/null; then
514    CYGPATH_W='cygpath -w'
515  else
516    CYGPATH_W=echo
517  fi
518fi
519AC_SUBST([CYGPATH_W])
520
521# Define the identity of the package.
522dnl Distinguish between old-style and new-style calls.
523m4_ifval([$2],
524[AC_DIAGNOSE([obsolete],
525             [$0: two- and three-arguments forms are deprecated.])
526m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
527 AC_SUBST([PACKAGE], [$1])dnl
528 AC_SUBST([VERSION], [$2])],
529[_AM_SET_OPTIONS([$1])dnl
530dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
531m4_if(
532  m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]),
533  [ok:ok],,
534  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
535 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
536 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
537
538_AM_IF_OPTION([no-define],,
539[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package])
540 AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl
541
542# Some tools Automake needs.
543AC_REQUIRE([AM_SANITY_CHECK])dnl
544AC_REQUIRE([AC_ARG_PROGRAM])dnl
545AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}])
546AM_MISSING_PROG([AUTOCONF], [autoconf])
547AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}])
548AM_MISSING_PROG([AUTOHEADER], [autoheader])
549AM_MISSING_PROG([MAKEINFO], [makeinfo])
550AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
551AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
552AC_REQUIRE([AC_PROG_MKDIR_P])dnl
553# For better backward compatibility.  To be removed once Automake 1.9.x
554# dies out for good.  For more background, see:
555# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
556# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
557AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
558# We need awk for the "check" target (and possibly the TAP driver).  The
559# system "awk" is bad on some platforms.
560AC_REQUIRE([AC_PROG_AWK])dnl
561AC_REQUIRE([AC_PROG_MAKE_SET])dnl
562AC_REQUIRE([AM_SET_LEADING_DOT])dnl
563_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
564              [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
565                             [_AM_PROG_TAR([v7])])])
566_AM_IF_OPTION([no-dependencies],,
567[AC_PROVIDE_IFELSE([AC_PROG_CC],
568                  [_AM_DEPENDENCIES([CC])],
569                  [m4_define([AC_PROG_CC],
570                             m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
571AC_PROVIDE_IFELSE([AC_PROG_CXX],
572                  [_AM_DEPENDENCIES([CXX])],
573                  [m4_define([AC_PROG_CXX],
574                             m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
575AC_PROVIDE_IFELSE([AC_PROG_OBJC],
576                  [_AM_DEPENDENCIES([OBJC])],
577                  [m4_define([AC_PROG_OBJC],
578                             m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
579AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
580                  [_AM_DEPENDENCIES([OBJCXX])],
581                  [m4_define([AC_PROG_OBJCXX],
582                             m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
583])
584AC_REQUIRE([AM_SILENT_RULES])dnl
585dnl The testsuite driver may need to know about EXEEXT, so add the
586dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This
587dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
588AC_CONFIG_COMMANDS_PRE(dnl
589[m4_provide_if([_AM_COMPILER_EXEEXT],
590  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
591
592# POSIX will say in a future version that running "rm -f" with no argument
593# is OK; and we want to be able to make that assumption in our Makefile
594# recipes.  So use an aggressive probe to check that the usage we want is
595# actually supported "in the wild" to an acceptable degree.
596# See automake bug#10828.
597# To make any issue more visible, cause the running configure to be aborted
598# by default if the 'rm' program in use doesn't match our expectations; the
599# user can still override this though.
600if rm -f && rm -fr && rm -rf; then : OK; else
601  cat >&2 <<'END'
602Oops!
603
604Your 'rm' program seems unable to run without file operands specified
605on the command line, even when the '-f' option is present.  This is contrary
606to the behaviour of most rm programs out there, and not conforming with
607the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
608
609Please tell bug-automake@gnu.org about your system, including the value
610of your $PATH and any error possibly output before this message.  This
611can help us improve future automake versions.
612
613END
614  if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
615    echo 'Configuration will proceed anyway, since you have set the' >&2
616    echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
617    echo >&2
618  else
619    cat >&2 <<'END'
620Aborting the configuration process, to ensure you take notice of the issue.
621
622You can download and install GNU coreutils to get an 'rm' implementation
623that behaves properly: <http://www.gnu.org/software/coreutils/>.
624
625If you want to complete the configuration process using your problematic
626'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
627to "yes", and re-run configure.
628
629END
630    AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
631  fi
632fi
633dnl The trailing newline in this macro's definition is deliberate, for
634dnl backward compatibility and to allow trailing 'dnl'-style comments
635dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
636])
637
638dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
639dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
640dnl mangled by Autoconf and run in a shell conditional statement.
641m4_define([_AC_COMPILER_EXEEXT],
642m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
643
644# When config.status generates a header, we must update the stamp-h file.
645# This file resides in the same directory as the config header
646# that is generated.  The stamp files are numbered to have different names.
647
648# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
649# loop where config.status creates the headers, so we can generate
650# our stamp files there.
651AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
652[# Compute $1's index in $config_headers.
653_am_arg=$1
654_am_stamp_count=1
655for _am_header in $config_headers :; do
656  case $_am_header in
657    $_am_arg | $_am_arg:* )
658      break ;;
659    * )
660      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
661  esac
662done
663echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
664
665# Copyright (C) 2001-2014 Free Software Foundation, Inc.
666#
667# This file is free software; the Free Software Foundation
668# gives unlimited permission to copy and/or distribute it,
669# with or without modifications, as long as this notice is preserved.
670
671# AM_PROG_INSTALL_SH
672# ------------------
673# Define $install_sh.
674AC_DEFUN([AM_PROG_INSTALL_SH],
675[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
676if test x"${install_sh+set}" != xset; then
677  case $am_aux_dir in
678  *\ * | *\     *)
679    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
680  *)
681    install_sh="\${SHELL} $am_aux_dir/install-sh"
682  esac
683fi
684AC_SUBST([install_sh])])
685
686# Copyright (C) 2003-2014 Free Software Foundation, Inc.
687#
688# This file is free software; the Free Software Foundation
689# gives unlimited permission to copy and/or distribute it,
690# with or without modifications, as long as this notice is preserved.
691
692# Check whether the underlying file-system supports filenames
693# with a leading dot.  For instance MS-DOS doesn't.
694AC_DEFUN([AM_SET_LEADING_DOT],
695[rm -rf .tst 2>/dev/null
696mkdir .tst 2>/dev/null
697if test -d .tst; then
698  am__leading_dot=.
699else
700  am__leading_dot=_
701fi
702rmdir .tst 2>/dev/null
703AC_SUBST([am__leading_dot])])
704
705# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
706# From Jim Meyering
707
708# Copyright (C) 1996-2014 Free Software Foundation, Inc.
709#
710# This file is free software; the Free Software Foundation
711# gives unlimited permission to copy and/or distribute it,
712# with or without modifications, as long as this notice is preserved.
713
714# AM_MAINTAINER_MODE([DEFAULT-MODE])
715# ----------------------------------
716# Control maintainer-specific portions of Makefiles.
717# Default is to disable them, unless 'enable' is passed literally.
718# For symmetry, 'disable' may be passed as well.  Anyway, the user
719# can override the default with the --enable/--disable switch.
720AC_DEFUN([AM_MAINTAINER_MODE],
721[m4_case(m4_default([$1], [disable]),
722       [enable], [m4_define([am_maintainer_other], [disable])],
723       [disable], [m4_define([am_maintainer_other], [enable])],
724       [m4_define([am_maintainer_other], [enable])
725        m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
726AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
727  dnl maintainer-mode's default is 'disable' unless 'enable' is passed
728  AC_ARG_ENABLE([maintainer-mode],
729    [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
730      am_maintainer_other[ make rules and dependencies not useful
731      (and sometimes confusing) to the casual installer])],
732    [USE_MAINTAINER_MODE=$enableval],
733    [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
734  AC_MSG_RESULT([$USE_MAINTAINER_MODE])
735  AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
736  MAINT=$MAINTAINER_MODE_TRUE
737  AC_SUBST([MAINT])dnl
738]
739)
740
741# Check to see how 'make' treats includes.                  -*- Autoconf -*-
742
743# Copyright (C) 2001-2014 Free Software Foundation, Inc.
744#
745# This file is free software; the Free Software Foundation
746# gives unlimited permission to copy and/or distribute it,
747# with or without modifications, as long as this notice is preserved.
748
749# AM_MAKE_INCLUDE()
750# -----------------
751# Check to see how make treats includes.
752AC_DEFUN([AM_MAKE_INCLUDE],
753[am_make=${MAKE-make}
754cat > confinc << 'END'
755am__doit:
756        @echo this is the am__doit target
757.PHONY: am__doit
758END
759# If we don't find an include directive, just comment out the code.
760AC_MSG_CHECKING([for style of include used by $am_make])
761am__include="#"
762am__quote=
763_am_result=none
764# First try GNU make style include.
765echo "include confinc" > confmf
766# Ignore all kinds of additional output from 'make'.
767case `$am_make -s -f confmf 2> /dev/null` in #(
768*the\ am__doit\ target*)
769  am__include=include
770  am__quote=
771  _am_result=GNU
772  ;;
773esac
774# Now try BSD make style include.
775if test "$am__include" = "#"; then
776   echo '.include "confinc"' > confmf
777   case `$am_make -s -f confmf 2> /dev/null` in #(
778   *the\ am__doit\ target*)
779     am__include=.include
780     am__quote="\""
781     _am_result=BSD
782     ;;
783   esac
784fi
785AC_SUBST([am__include])
786AC_SUBST([am__quote])
787AC_MSG_RESULT([$_am_result])
788rm -f confinc confmf
789])
790
791# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
792
793# Copyright (C) 1997-2014 Free Software Foundation, Inc.
794#
795# This file is free software; the Free Software Foundation
796# gives unlimited permission to copy and/or distribute it,
797# with or without modifications, as long as this notice is preserved.
798
799# AM_MISSING_PROG(NAME, PROGRAM)
800# ------------------------------
801AC_DEFUN([AM_MISSING_PROG],
802[AC_REQUIRE([AM_MISSING_HAS_RUN])
803$1=${$1-"${am_missing_run}$2"}
804AC_SUBST($1)])
805
806# AM_MISSING_HAS_RUN
807# ------------------
808# Define MISSING if not defined so far and test if it is modern enough.
809# If it is, set am_missing_run to use it, otherwise, to nothing.
810AC_DEFUN([AM_MISSING_HAS_RUN],
811[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
812AC_REQUIRE_AUX_FILE([missing])dnl
813if test x"${MISSING+set}" != xset; then
814  case $am_aux_dir in
815  *\ * | *\     *)
816    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
817  *)
818    MISSING="\${SHELL} $am_aux_dir/missing" ;;
819  esac
820fi
821# Use eval to expand $SHELL
822if eval "$MISSING --is-lightweight"; then
823  am_missing_run="$MISSING "
824else
825  am_missing_run=
826  AC_MSG_WARN(['missing' script is too old or missing])
827fi
828])
829
830# Helper functions for option handling.                     -*- Autoconf -*-
831
832# Copyright (C) 2001-2014 Free Software Foundation, Inc.
833#
834# This file is free software; the Free Software Foundation
835# gives unlimited permission to copy and/or distribute it,
836# with or without modifications, as long as this notice is preserved.
837
838# _AM_MANGLE_OPTION(NAME)
839# -----------------------
840AC_DEFUN([_AM_MANGLE_OPTION],
841[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
842
843# _AM_SET_OPTION(NAME)
844# --------------------
845# Set option NAME.  Presently that only means defining a flag for this option.
846AC_DEFUN([_AM_SET_OPTION],
847[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
848
849# _AM_SET_OPTIONS(OPTIONS)
850# ------------------------
851# OPTIONS is a space-separated list of Automake options.
852AC_DEFUN([_AM_SET_OPTIONS],
853[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
854
855# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
856# -------------------------------------------
857# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
858AC_DEFUN([_AM_IF_OPTION],
859[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
860
861# Copyright (C) 1999-2014 Free Software Foundation, Inc.
862#
863# This file is free software; the Free Software Foundation
864# gives unlimited permission to copy and/or distribute it,
865# with or without modifications, as long as this notice is preserved.
866
867# _AM_PROG_CC_C_O
868# ---------------
869# Like AC_PROG_CC_C_O, but changed for automake.  We rewrite AC_PROG_CC
870# to automatically call this.
871AC_DEFUN([_AM_PROG_CC_C_O],
872[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
873AC_REQUIRE_AUX_FILE([compile])dnl
874AC_LANG_PUSH([C])dnl
875AC_CACHE_CHECK(
876  [whether $CC understands -c and -o together],
877  [am_cv_prog_cc_c_o],
878  [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
879  # Make sure it works both with $CC and with simple cc.
880  # Following AC_PROG_CC_C_O, we do the test twice because some
881  # compilers refuse to overwrite an existing .o file with -o,
882  # though they will create one.
883  am_cv_prog_cc_c_o=yes
884  for am_i in 1 2; do
885    if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
886         && test -f conftest2.$ac_objext; then
887      : OK
888    else
889      am_cv_prog_cc_c_o=no
890      break
891    fi
892  done
893  rm -f core conftest*
894  unset am_i])
895if test "$am_cv_prog_cc_c_o" != yes; then
896   # Losing compiler, so override with the script.
897   # FIXME: It is wrong to rewrite CC.
898   # But if we don't then we get into trouble of one sort or another.
899   # A longer-term fix would be to have automake use am__CC in this case,
900   # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
901   CC="$am_aux_dir/compile $CC"
902fi
903AC_LANG_POP([C])])
904
905# For backward compatibility.
906AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
907
908# Copyright (C) 2001-2014 Free Software Foundation, Inc.
909#
910# This file is free software; the Free Software Foundation
911# gives unlimited permission to copy and/or distribute it,
912# with or without modifications, as long as this notice is preserved.
913
914# AM_RUN_LOG(COMMAND)
915# -------------------
916# Run COMMAND, save the exit status in ac_status, and log it.
917# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
918AC_DEFUN([AM_RUN_LOG],
919[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
920   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
921   ac_status=$?
922   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
923   (exit $ac_status); }])
924
925# Check to make sure that the build environment is sane.    -*- Autoconf -*-
926
927# Copyright (C) 1996-2014 Free Software Foundation, Inc.
928#
929# This file is free software; the Free Software Foundation
930# gives unlimited permission to copy and/or distribute it,
931# with or without modifications, as long as this notice is preserved.
932
933# AM_SANITY_CHECK
934# ---------------
935AC_DEFUN([AM_SANITY_CHECK],
936[AC_MSG_CHECKING([whether build environment is sane])
937# Reject unsafe characters in $srcdir or the absolute working directory
938# name.  Accept space and tab only in the latter.
939am_lf='
940'
941case `pwd` in
942  *[[\\\"\#\$\&\'\`$am_lf]]*)
943    AC_MSG_ERROR([unsafe absolute working directory name]);;
944esac
945case $srcdir in
946  *[[\\\"\#\$\&\'\`$am_lf\ \    ]]*)
947    AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
948esac
949
950# Do 'set' in a subshell so we don't clobber the current shell's
951# arguments.  Must try -L first in case configure is actually a
952# symlink; some systems play weird games with the mod time of symlinks
953# (eg FreeBSD returns the mod time of the symlink's containing
954# directory).
955if (
956   am_has_slept=no
957   for am_try in 1 2; do
958     echo "timestamp, slept: $am_has_slept" > conftest.file
959     set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
960     if test "$[*]" = "X"; then
961        # -L didn't work.
962        set X `ls -t "$srcdir/configure" conftest.file`
963     fi
964     if test "$[*]" != "X $srcdir/configure conftest.file" \
965        && test "$[*]" != "X conftest.file $srcdir/configure"; then
966
967        # If neither matched, then we have a broken ls.  This can happen
968        # if, for instance, CONFIG_SHELL is bash and it inherits a
969        # broken ls alias from the environment.  This has actually
970        # happened.  Such a system could not be considered "sane".
971        AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
972  alias in your environment])
973     fi
974     if test "$[2]" = conftest.file || test $am_try -eq 2; then
975       break
976     fi
977     # Just in case.
978     sleep 1
979     am_has_slept=yes
980   done
981   test "$[2]" = conftest.file
982   )
983then
984   # Ok.
985   :
986else
987   AC_MSG_ERROR([newly created file is older than distributed files!
988Check your system clock])
989fi
990AC_MSG_RESULT([yes])
991# If we didn't sleep, we still need to ensure time stamps of config.status and
992# generated files are strictly newer.
993am_sleep_pid=
994if grep 'slept: no' conftest.file >/dev/null 2>&1; then
995  ( sleep 1 ) &
996  am_sleep_pid=$!
997fi
998AC_CONFIG_COMMANDS_PRE(
999  [AC_MSG_CHECKING([that generated files are newer than configure])
1000   if test -n "$am_sleep_pid"; then
1001     # Hide warnings about reused PIDs.
1002     wait $am_sleep_pid 2>/dev/null
1003   fi
1004   AC_MSG_RESULT([done])])
1005rm -f conftest.file
1006])
1007
1008# Copyright (C) 2009-2014 Free Software Foundation, Inc.
1009#
1010# This file is free software; the Free Software Foundation
1011# gives unlimited permission to copy and/or distribute it,
1012# with or without modifications, as long as this notice is preserved.
1013
1014# AM_SILENT_RULES([DEFAULT])
1015# --------------------------
1016# Enable less verbose build rules; with the default set to DEFAULT
1017# ("yes" being less verbose, "no" or empty being verbose).
1018AC_DEFUN([AM_SILENT_RULES],
1019[AC_ARG_ENABLE([silent-rules], [dnl
1020AS_HELP_STRING(
1021  [--enable-silent-rules],
1022  [less verbose build output (undo: "make V=1")])
1023AS_HELP_STRING(
1024  [--disable-silent-rules],
1025  [verbose build output (undo: "make V=0")])dnl
1026])
1027case $enable_silent_rules in @%:@ (((
1028  yes) AM_DEFAULT_VERBOSITY=0;;
1029   no) AM_DEFAULT_VERBOSITY=1;;
1030    *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
1031esac
1032dnl
1033dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
1034dnl do not support nested variable expansions.
1035dnl See automake bug#9928 and bug#10237.
1036am_make=${MAKE-make}
1037AC_CACHE_CHECK([whether $am_make supports nested variables],
1038   [am_cv_make_support_nested_variables],
1039   [if AS_ECHO([['TRUE=$(BAR$(V))
1040BAR0=false
1041BAR1=true
1042V=1
1043am__doit:
1044        @$(TRUE)
1045.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
1046  am_cv_make_support_nested_variables=yes
1047else
1048  am_cv_make_support_nested_variables=no
1049fi])
1050if test $am_cv_make_support_nested_variables = yes; then
1051  dnl Using '$V' instead of '$(V)' breaks IRIX make.
1052  AM_V='$(V)'
1053  AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
1054else
1055  AM_V=$AM_DEFAULT_VERBOSITY
1056  AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
1057fi
1058AC_SUBST([AM_V])dnl
1059AM_SUBST_NOTMAKE([AM_V])dnl
1060AC_SUBST([AM_DEFAULT_V])dnl
1061AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
1062AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1063AM_BACKSLASH='\'
1064AC_SUBST([AM_BACKSLASH])dnl
1065_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1066])
1067
1068# Copyright (C) 2001-2014 Free Software Foundation, Inc.
1069#
1070# This file is free software; the Free Software Foundation
1071# gives unlimited permission to copy and/or distribute it,
1072# with or without modifications, as long as this notice is preserved.
1073
1074# AM_PROG_INSTALL_STRIP
1075# ---------------------
1076# One issue with vendor 'install' (even GNU) is that you can't
1077# specify the program used to strip binaries.  This is especially
1078# annoying in cross-compiling environments, where the build's strip
1079# is unlikely to handle the host's binaries.
1080# Fortunately install-sh will honor a STRIPPROG variable, so we
1081# always use install-sh in "make install-strip", and initialize
1082# STRIPPROG with the value of the STRIP variable (set by the user).
1083AC_DEFUN([AM_PROG_INSTALL_STRIP],
1084[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1085# Installed binaries are usually stripped using 'strip' when the user
1086# run "make install-strip".  However 'strip' might not be the right
1087# tool to use in cross-compilation environments, therefore Automake
1088# will honor the 'STRIP' environment variable to overrule this program.
1089dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
1090if test "$cross_compiling" != no; then
1091  AC_CHECK_TOOL([STRIP], [strip], :)
1092fi
1093INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1094AC_SUBST([INSTALL_STRIP_PROGRAM])])
1095
1096# Copyright (C) 2006-2014 Free Software Foundation, Inc.
1097#
1098# This file is free software; the Free Software Foundation
1099# gives unlimited permission to copy and/or distribute it,
1100# with or without modifications, as long as this notice is preserved.
1101
1102# _AM_SUBST_NOTMAKE(VARIABLE)
1103# ---------------------------
1104# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1105# This macro is traced by Automake.
1106AC_DEFUN([_AM_SUBST_NOTMAKE])
1107
1108# AM_SUBST_NOTMAKE(VARIABLE)
1109# --------------------------
1110# Public sister of _AM_SUBST_NOTMAKE.
1111AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1112
1113# Check how to create a tarball.                            -*- Autoconf -*-
1114
1115# Copyright (C) 2004-2014 Free Software Foundation, Inc.
1116#
1117# This file is free software; the Free Software Foundation
1118# gives unlimited permission to copy and/or distribute it,
1119# with or without modifications, as long as this notice is preserved.
1120
1121# _AM_PROG_TAR(FORMAT)
1122# --------------------
1123# Check how to create a tarball in format FORMAT.
1124# FORMAT should be one of 'v7', 'ustar', or 'pax'.
1125#
1126# Substitute a variable $(am__tar) that is a command
1127# writing to stdout a FORMAT-tarball containing the directory
1128# $tardir.
1129#     tardir=directory && $(am__tar) > result.tar
1130#
1131# Substitute a variable $(am__untar) that extract such
1132# a tarball read from stdin.
1133#     $(am__untar) < result.tar
1134#
1135AC_DEFUN([_AM_PROG_TAR],
1136[# Always define AMTAR for backward compatibility.  Yes, it's still used
1137# in the wild :-(  We should find a proper way to deprecate it ...
1138AC_SUBST([AMTAR], ['$${TAR-tar}'])
1139
1140# We'll loop over all known methods to create a tar archive until one works.
1141_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1142
1143m4_if([$1], [v7],
1144  [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1145
1146  [m4_case([$1],
1147    [ustar],
1148     [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1149      # There is notably a 21 bits limit for the UID and the GID.  In fact,
1150      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1151      # and bug#13588).
1152      am_max_uid=2097151 # 2^21 - 1
1153      am_max_gid=$am_max_uid
1154      # The $UID and $GID variables are not portable, so we need to resort
1155      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
1156      # below are definitely unexpected, so allow the users to see them
1157      # (that is, avoid stderr redirection).
1158      am_uid=`id -u || echo unknown`
1159      am_gid=`id -g || echo unknown`
1160      AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1161      if test $am_uid -le $am_max_uid; then
1162         AC_MSG_RESULT([yes])
1163      else
1164         AC_MSG_RESULT([no])
1165         _am_tools=none
1166      fi
1167      AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1168      if test $am_gid -le $am_max_gid; then
1169         AC_MSG_RESULT([yes])
1170      else
1171        AC_MSG_RESULT([no])
1172        _am_tools=none
1173      fi],
1174
1175  [pax],
1176    [],
1177
1178  [m4_fatal([Unknown tar format])])
1179
1180  AC_MSG_CHECKING([how to create a $1 tar archive])
1181
1182  # Go ahead even if we have the value already cached.  We do so because we
1183  # need to set the values for the 'am__tar' and 'am__untar' variables.
1184  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1185
1186  for _am_tool in $_am_tools; do
1187    case $_am_tool in
1188    gnutar)
1189      for _am_tar in tar gnutar gtar; do
1190        AM_RUN_LOG([$_am_tar --version]) && break
1191      done
1192      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1193      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1194      am__untar="$_am_tar -xf -"
1195      ;;
1196    plaintar)
1197      # Must skip GNU tar: if it does not support --format= it doesn't create
1198      # ustar tarball either.
1199      (tar --version) >/dev/null 2>&1 && continue
1200      am__tar='tar chf - "$$tardir"'
1201      am__tar_='tar chf - "$tardir"'
1202      am__untar='tar xf -'
1203      ;;
1204    pax)
1205      am__tar='pax -L -x $1 -w "$$tardir"'
1206      am__tar_='pax -L -x $1 -w "$tardir"'
1207      am__untar='pax -r'
1208      ;;
1209    cpio)
1210      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1211      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1212      am__untar='cpio -i -H $1 -d'
1213      ;;
1214    none)
1215      am__tar=false
1216      am__tar_=false
1217      am__untar=false
1218      ;;
1219    esac
1220
1221    # If the value was cached, stop now.  We just wanted to have am__tar
1222    # and am__untar set.
1223    test -n "${am_cv_prog_tar_$1}" && break
1224
1225    # tar/untar a dummy directory, and stop if the command works.
1226    rm -rf conftest.dir
1227    mkdir conftest.dir
1228    echo GrepMe > conftest.dir/file
1229    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1230    rm -rf conftest.dir
1231    if test -s conftest.tar; then
1232      AM_RUN_LOG([$am__untar <conftest.tar])
1233      AM_RUN_LOG([cat conftest.dir/file])
1234      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1235    fi
1236  done
1237  rm -rf conftest.dir
1238
1239  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1240  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1241
1242AC_SUBST([am__tar])
1243AC_SUBST([am__untar])
1244]) # _AM_PROG_TAR
1245
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