Add a testcase for PR binutils/26160
[deliverable/binutils-gdb.git] / gnulib / aclocal.m4
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3# Copyright (C) 1996-2017 Free Software Foundation, Inc.
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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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9# This program is distributed in the hope that it will be useful,
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493AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
494AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
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495AC_REQUIRE([AC_PROG_MKDIR_P])dnl
496# For better backward compatibility. To be removed once Automake 1.9.x
497# dies out for good. For more background, see:
498# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
499# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
500AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
501# We need awk for the "check" target (and possibly the TAP driver). The
502# system "awk" is bad on some platforms.
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503AC_REQUIRE([AC_PROG_AWK])dnl
504AC_REQUIRE([AC_PROG_MAKE_SET])dnl
505AC_REQUIRE([AM_SET_LEADING_DOT])dnl
506_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
507 [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
508 [_AM_PROG_TAR([v7])])])
509_AM_IF_OPTION([no-dependencies],,
510[AC_PROVIDE_IFELSE([AC_PROG_CC],
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SM
511 [_AM_DEPENDENCIES([CC])],
512 [m4_define([AC_PROG_CC],
513 m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl
c971b7fa 514AC_PROVIDE_IFELSE([AC_PROG_CXX],
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SM
515 [_AM_DEPENDENCIES([CXX])],
516 [m4_define([AC_PROG_CXX],
517 m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl
c971b7fa 518AC_PROVIDE_IFELSE([AC_PROG_OBJC],
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SM
519 [_AM_DEPENDENCIES([OBJC])],
520 [m4_define([AC_PROG_OBJC],
521 m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl
522AC_PROVIDE_IFELSE([AC_PROG_OBJCXX],
523 [_AM_DEPENDENCIES([OBJCXX])],
524 [m4_define([AC_PROG_OBJCXX],
525 m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl
c971b7fa 526])
d0ac1c44
SM
527AC_REQUIRE([AM_SILENT_RULES])dnl
528dnl The testsuite driver may need to know about EXEEXT, so add the
529dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This
530dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
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531AC_CONFIG_COMMANDS_PRE(dnl
532[m4_provide_if([_AM_COMPILER_EXEEXT],
533 [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
d0ac1c44
SM
534
535# POSIX will say in a future version that running "rm -f" with no argument
536# is OK; and we want to be able to make that assumption in our Makefile
537# recipes. So use an aggressive probe to check that the usage we want is
538# actually supported "in the wild" to an acceptable degree.
539# See automake bug#10828.
540# To make any issue more visible, cause the running configure to be aborted
541# by default if the 'rm' program in use doesn't match our expectations; the
542# user can still override this though.
543if rm -f && rm -fr && rm -rf; then : OK; else
544 cat >&2 <<'END'
545Oops!
546
547Your 'rm' program seems unable to run without file operands specified
548on the command line, even when the '-f' option is present. This is contrary
549to the behaviour of most rm programs out there, and not conforming with
550the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
551
552Please tell bug-automake@gnu.org about your system, including the value
553of your $PATH and any error possibly output before this message. This
554can help us improve future automake versions.
555
556END
557 if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
558 echo 'Configuration will proceed anyway, since you have set the' >&2
559 echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
560 echo >&2
561 else
562 cat >&2 <<'END'
563Aborting the configuration process, to ensure you take notice of the issue.
564
565You can download and install GNU coreutils to get an 'rm' implementation
566that behaves properly: <http://www.gnu.org/software/coreutils/>.
567
568If you want to complete the configuration process using your problematic
569'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
570to "yes", and re-run configure.
571
572END
573 AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
574 fi
575fi
576dnl The trailing newline in this macro's definition is deliberate, for
577dnl backward compatibility and to allow trailing 'dnl'-style comments
578dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
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579])
580
d0ac1c44 581dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
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582dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
583dnl mangled by Autoconf and run in a shell conditional statement.
584m4_define([_AC_COMPILER_EXEEXT],
585m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
586
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587# When config.status generates a header, we must update the stamp-h file.
588# This file resides in the same directory as the config header
589# that is generated. The stamp files are numbered to have different names.
590
591# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
592# loop where config.status creates the headers, so we can generate
593# our stamp files there.
594AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
595[# Compute $1's index in $config_headers.
596_am_arg=$1
597_am_stamp_count=1
598for _am_header in $config_headers :; do
599 case $_am_header in
600 $_am_arg | $_am_arg:* )
601 break ;;
602 * )
603 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
604 esac
605done
606echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
607
d0ac1c44 608# Copyright (C) 2001-2017 Free Software Foundation, Inc.
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609#
610# This file is free software; the Free Software Foundation
611# gives unlimited permission to copy and/or distribute it,
612# with or without modifications, as long as this notice is preserved.
613
614# AM_PROG_INSTALL_SH
615# ------------------
616# Define $install_sh.
617AC_DEFUN([AM_PROG_INSTALL_SH],
618[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
d0ac1c44 619if test x"${install_sh+set}" != xset; then
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620 case $am_aux_dir in
621 *\ * | *\ *)
622 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
623 *)
624 install_sh="\${SHELL} $am_aux_dir/install-sh"
625 esac
626fi
d0ac1c44 627AC_SUBST([install_sh])])
c971b7fa 628
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629# Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
630# From Jim Meyering
631
d0ac1c44 632# Copyright (C) 1996-2017 Free Software Foundation, Inc.
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PA
633#
634# This file is free software; the Free Software Foundation
635# gives unlimited permission to copy and/or distribute it,
636# with or without modifications, as long as this notice is preserved.
637
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638# AM_MAINTAINER_MODE([DEFAULT-MODE])
639# ----------------------------------
640# Control maintainer-specific portions of Makefiles.
d0ac1c44
SM
641# Default is to disable them, unless 'enable' is passed literally.
642# For symmetry, 'disable' may be passed as well. Anyway, the user
c971b7fa
PA
643# can override the default with the --enable/--disable switch.
644AC_DEFUN([AM_MAINTAINER_MODE],
645[m4_case(m4_default([$1], [disable]),
646 [enable], [m4_define([am_maintainer_other], [disable])],
647 [disable], [m4_define([am_maintainer_other], [enable])],
648 [m4_define([am_maintainer_other], [enable])
649 m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])])
d0ac1c44 650AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
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651 dnl maintainer-mode's default is 'disable' unless 'enable' is passed
652 AC_ARG_ENABLE([maintainer-mode],
d0ac1c44
SM
653 [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode],
654 am_maintainer_other[ make rules and dependencies not useful
655 (and sometimes confusing) to the casual installer])],
656 [USE_MAINTAINER_MODE=$enableval],
657 [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes]))
c971b7fa
PA
658 AC_MSG_RESULT([$USE_MAINTAINER_MODE])
659 AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes])
660 MAINT=$MAINTAINER_MODE_TRUE
661 AC_SUBST([MAINT])dnl
662]
663)
664
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PA
665# Check to see how 'make' treats includes. -*- Autoconf -*-
666
d0ac1c44 667# Copyright (C) 2001-2017 Free Software Foundation, Inc.
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PA
668#
669# This file is free software; the Free Software Foundation
670# gives unlimited permission to copy and/or distribute it,
671# with or without modifications, as long as this notice is preserved.
672
c971b7fa
PA
673# AM_MAKE_INCLUDE()
674# -----------------
675# Check to see how make treats includes.
676AC_DEFUN([AM_MAKE_INCLUDE],
677[am_make=${MAKE-make}
678cat > confinc << 'END'
679am__doit:
680 @echo this is the am__doit target
681.PHONY: am__doit
682END
683# If we don't find an include directive, just comment out the code.
684AC_MSG_CHECKING([for style of include used by $am_make])
685am__include="#"
686am__quote=
687_am_result=none
688# First try GNU make style include.
689echo "include confinc" > confmf
d0ac1c44 690# Ignore all kinds of additional output from 'make'.
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691case `$am_make -s -f confmf 2> /dev/null` in #(
692*the\ am__doit\ target*)
693 am__include=include
694 am__quote=
695 _am_result=GNU
696 ;;
697esac
698# Now try BSD make style include.
699if test "$am__include" = "#"; then
700 echo '.include "confinc"' > confmf
701 case `$am_make -s -f confmf 2> /dev/null` in #(
702 *the\ am__doit\ target*)
703 am__include=.include
704 am__quote="\""
705 _am_result=BSD
706 ;;
707 esac
708fi
709AC_SUBST([am__include])
710AC_SUBST([am__quote])
711AC_MSG_RESULT([$_am_result])
712rm -f confinc confmf
713])
714
715# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
716
d0ac1c44 717# Copyright (C) 1997-2017 Free Software Foundation, Inc.
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718#
719# This file is free software; the Free Software Foundation
720# gives unlimited permission to copy and/or distribute it,
721# with or without modifications, as long as this notice is preserved.
722
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723# AM_MISSING_PROG(NAME, PROGRAM)
724# ------------------------------
725AC_DEFUN([AM_MISSING_PROG],
726[AC_REQUIRE([AM_MISSING_HAS_RUN])
727$1=${$1-"${am_missing_run}$2"}
728AC_SUBST($1)])
729
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730# AM_MISSING_HAS_RUN
731# ------------------
d0ac1c44
SM
732# Define MISSING if not defined so far and test if it is modern enough.
733# If it is, set am_missing_run to use it, otherwise, to nothing.
c971b7fa
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734AC_DEFUN([AM_MISSING_HAS_RUN],
735[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
736AC_REQUIRE_AUX_FILE([missing])dnl
737if test x"${MISSING+set}" != xset; then
738 case $am_aux_dir in
739 *\ * | *\ *)
740 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
741 *)
742 MISSING="\${SHELL} $am_aux_dir/missing" ;;
743 esac
744fi
745# Use eval to expand $SHELL
d0ac1c44
SM
746if eval "$MISSING --is-lightweight"; then
747 am_missing_run="$MISSING "
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PA
748else
749 am_missing_run=
d0ac1c44 750 AC_MSG_WARN(['missing' script is too old or missing])
c971b7fa
PA
751fi
752])
753
d0ac1c44
SM
754# -*- Autoconf -*-
755# Obsolete and "removed" macros, that must however still report explicit
756# error messages when used, to smooth transition.
757#
758# Copyright (C) 1996-2017 Free Software Foundation, Inc.
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759#
760# This file is free software; the Free Software Foundation
761# gives unlimited permission to copy and/or distribute it,
762# with or without modifications, as long as this notice is preserved.
763
d0ac1c44
SM
764AC_DEFUN([AM_CONFIG_HEADER],
765[AC_DIAGNOSE([obsolete],
766['$0': this macro is obsolete.
767You should use the 'AC][_CONFIG_HEADERS' macro instead.])dnl
768AC_CONFIG_HEADERS($@)])
769
770AC_DEFUN([AM_PROG_CC_STDC],
771[AC_PROG_CC
772am_cv_prog_cc_stdc=$ac_cv_prog_cc_stdc
773AC_DIAGNOSE([obsolete],
774['$0': this macro is obsolete.
775You should simply use the 'AC][_PROG_CC' macro instead.
776Also, your code should no longer depend upon 'am_cv_prog_cc_stdc',
777but upon 'ac_cv_prog_cc_stdc'.])])
778
779AC_DEFUN([AM_C_PROTOTYPES],
780 [AC_FATAL([automatic de-ANSI-fication support has been removed])])
781AU_DEFUN([fp_C_PROTOTYPES], [AM_C_PROTOTYPES])
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782
783# Helper functions for option handling. -*- Autoconf -*-
784
d0ac1c44 785# Copyright (C) 2001-2017 Free Software Foundation, Inc.
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PA
786#
787# This file is free software; the Free Software Foundation
788# gives unlimited permission to copy and/or distribute it,
789# with or without modifications, as long as this notice is preserved.
790
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PA
791# _AM_MANGLE_OPTION(NAME)
792# -----------------------
793AC_DEFUN([_AM_MANGLE_OPTION],
794[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
795
796# _AM_SET_OPTION(NAME)
d0ac1c44 797# --------------------
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798# Set option NAME. Presently that only means defining a flag for this option.
799AC_DEFUN([_AM_SET_OPTION],
d0ac1c44 800[m4_define(_AM_MANGLE_OPTION([$1]), [1])])
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PA
801
802# _AM_SET_OPTIONS(OPTIONS)
d0ac1c44 803# ------------------------
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804# OPTIONS is a space-separated list of Automake options.
805AC_DEFUN([_AM_SET_OPTIONS],
806[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
807
808# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
809# -------------------------------------------
810# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
811AC_DEFUN([_AM_IF_OPTION],
812[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
813
d0ac1c44
SM
814# Copyright (C) 1999-2017 Free Software Foundation, Inc.
815#
816# This file is free software; the Free Software Foundation
817# gives unlimited permission to copy and/or distribute it,
818# with or without modifications, as long as this notice is preserved.
819
820# _AM_PROG_CC_C_O
821# ---------------
822# Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
823# to automatically call this.
824AC_DEFUN([_AM_PROG_CC_C_O],
825[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
826AC_REQUIRE_AUX_FILE([compile])dnl
827AC_LANG_PUSH([C])dnl
828AC_CACHE_CHECK(
829 [whether $CC understands -c and -o together],
830 [am_cv_prog_cc_c_o],
831 [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
832 # Make sure it works both with $CC and with simple cc.
833 # Following AC_PROG_CC_C_O, we do the test twice because some
834 # compilers refuse to overwrite an existing .o file with -o,
835 # though they will create one.
836 am_cv_prog_cc_c_o=yes
837 for am_i in 1 2; do
838 if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
839 && test -f conftest2.$ac_objext; then
840 : OK
841 else
842 am_cv_prog_cc_c_o=no
843 break
844 fi
845 done
846 rm -f core conftest*
847 unset am_i])
848if test "$am_cv_prog_cc_c_o" != yes; then
849 # Losing compiler, so override with the script.
850 # FIXME: It is wrong to rewrite CC.
851 # But if we don't then we get into trouble of one sort or another.
852 # A longer-term fix would be to have automake use am__CC in this case,
853 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
854 CC="$am_aux_dir/compile $CC"
855fi
856AC_LANG_POP([C])])
c971b7fa 857
d0ac1c44
SM
858# For backward compatibility.
859AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
860
d0ac1c44
SM
861# Check to make sure that the build environment is sane. -*- Autoconf -*-
862
863# Copyright (C) 1996-2017 Free Software Foundation, Inc.
864#
865# This file is free software; the Free Software Foundation
866# gives unlimited permission to copy and/or distribute it,
867# with or without modifications, as long as this notice is preserved.
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868
869# AM_SANITY_CHECK
870# ---------------
871AC_DEFUN([AM_SANITY_CHECK],
872[AC_MSG_CHECKING([whether build environment is sane])
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PA
873# Reject unsafe characters in $srcdir or the absolute working directory
874# name. Accept space and tab only in the latter.
875am_lf='
876'
877case `pwd` in
878 *[[\\\"\#\$\&\'\`$am_lf]]*)
879 AC_MSG_ERROR([unsafe absolute working directory name]);;
880esac
881case $srcdir in
882 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
d0ac1c44 883 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);;
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PA
884esac
885
d0ac1c44 886# Do 'set' in a subshell so we don't clobber the current shell's
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887# arguments. Must try -L first in case configure is actually a
888# symlink; some systems play weird games with the mod time of symlinks
889# (eg FreeBSD returns the mod time of the symlink's containing
890# directory).
891if (
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SM
892 am_has_slept=no
893 for am_try in 1 2; do
894 echo "timestamp, slept: $am_has_slept" > conftest.file
895 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
896 if test "$[*]" = "X"; then
897 # -L didn't work.
898 set X `ls -t "$srcdir/configure" conftest.file`
899 fi
900 if test "$[*]" != "X $srcdir/configure conftest.file" \
901 && test "$[*]" != "X conftest.file $srcdir/configure"; then
902
903 # If neither matched, then we have a broken ls. This can happen
904 # if, for instance, CONFIG_SHELL is bash and it inherits a
905 # broken ls alias from the environment. This has actually
906 # happened. Such a system could not be considered "sane".
907 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
908 alias in your environment])
909 fi
910 if test "$[2]" = conftest.file || test $am_try -eq 2; then
911 break
912 fi
913 # Just in case.
914 sleep 1
915 am_has_slept=yes
916 done
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917 test "$[2]" = conftest.file
918 )
919then
920 # Ok.
921 :
922else
923 AC_MSG_ERROR([newly created file is older than distributed files!
924Check your system clock])
925fi
d0ac1c44
SM
926AC_MSG_RESULT([yes])
927# If we didn't sleep, we still need to ensure time stamps of config.status and
928# generated files are strictly newer.
929am_sleep_pid=
930if grep 'slept: no' conftest.file >/dev/null 2>&1; then
931 ( sleep 1 ) &
932 am_sleep_pid=$!
933fi
934AC_CONFIG_COMMANDS_PRE(
935 [AC_MSG_CHECKING([that generated files are newer than configure])
936 if test -n "$am_sleep_pid"; then
937 # Hide warnings about reused PIDs.
938 wait $am_sleep_pid 2>/dev/null
939 fi
940 AC_MSG_RESULT([done])])
941rm -f conftest.file
942])
c971b7fa 943
d0ac1c44 944# Copyright (C) 2009-2017 Free Software Foundation, Inc.
39be3c7e
SM
945#
946# This file is free software; the Free Software Foundation
947# gives unlimited permission to copy and/or distribute it,
948# with or without modifications, as long as this notice is preserved.
949
39be3c7e
SM
950# AM_SILENT_RULES([DEFAULT])
951# --------------------------
952# Enable less verbose build rules; with the default set to DEFAULT
d0ac1c44 953# ("yes" being less verbose, "no" or empty being verbose).
39be3c7e 954AC_DEFUN([AM_SILENT_RULES],
d0ac1c44
SM
955[AC_ARG_ENABLE([silent-rules], [dnl
956AS_HELP_STRING(
957 [--enable-silent-rules],
958 [less verbose build output (undo: "make V=1")])
959AS_HELP_STRING(
960 [--disable-silent-rules],
961 [verbose build output (undo: "make V=0")])dnl
962])
963case $enable_silent_rules in @%:@ (((
964 yes) AM_DEFAULT_VERBOSITY=0;;
965 no) AM_DEFAULT_VERBOSITY=1;;
966 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
39be3c7e 967esac
d0ac1c44
SM
968dnl
969dnl A few 'make' implementations (e.g., NonStop OS and NextStep)
970dnl do not support nested variable expansions.
971dnl See automake bug#9928 and bug#10237.
972am_make=${MAKE-make}
973AC_CACHE_CHECK([whether $am_make supports nested variables],
974 [am_cv_make_support_nested_variables],
975 [if AS_ECHO([['TRUE=$(BAR$(V))
976BAR0=false
977BAR1=true
978V=1
979am__doit:
980 @$(TRUE)
981.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then
982 am_cv_make_support_nested_variables=yes
983else
984 am_cv_make_support_nested_variables=no
985fi])
986if test $am_cv_make_support_nested_variables = yes; then
987 dnl Using '$V' instead of '$(V)' breaks IRIX make.
988 AM_V='$(V)'
989 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
990else
991 AM_V=$AM_DEFAULT_VERBOSITY
992 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY
993fi
994AC_SUBST([AM_V])dnl
995AM_SUBST_NOTMAKE([AM_V])dnl
996AC_SUBST([AM_DEFAULT_V])dnl
997AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl
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SM
998AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
999AM_BACKSLASH='\'
1000AC_SUBST([AM_BACKSLASH])dnl
1001_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1002])
1003
d0ac1c44 1004# Copyright (C) 2001-2017 Free Software Foundation, Inc.
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1005#
1006# This file is free software; the Free Software Foundation
1007# gives unlimited permission to copy and/or distribute it,
1008# with or without modifications, as long as this notice is preserved.
1009
1010# AM_PROG_INSTALL_STRIP
1011# ---------------------
d0ac1c44 1012# One issue with vendor 'install' (even GNU) is that you can't
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PA
1013# specify the program used to strip binaries. This is especially
1014# annoying in cross-compiling environments, where the build's strip
1015# is unlikely to handle the host's binaries.
1016# Fortunately install-sh will honor a STRIPPROG variable, so we
d0ac1c44 1017# always use install-sh in "make install-strip", and initialize
c971b7fa
PA
1018# STRIPPROG with the value of the STRIP variable (set by the user).
1019AC_DEFUN([AM_PROG_INSTALL_STRIP],
1020[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
d0ac1c44
SM
1021# Installed binaries are usually stripped using 'strip' when the user
1022# run "make install-strip". However 'strip' might not be the right
c971b7fa 1023# tool to use in cross-compilation environments, therefore Automake
d0ac1c44
SM
1024# will honor the 'STRIP' environment variable to overrule this program.
1025dnl Don't test for $cross_compiling = yes, because it might be 'maybe'.
c971b7fa
PA
1026if test "$cross_compiling" != no; then
1027 AC_CHECK_TOOL([STRIP], [strip], :)
1028fi
1029INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1030AC_SUBST([INSTALL_STRIP_PROGRAM])])
1031
d0ac1c44 1032# Copyright (C) 2006-2017 Free Software Foundation, Inc.
c971b7fa
PA
1033#
1034# This file is free software; the Free Software Foundation
1035# gives unlimited permission to copy and/or distribute it,
1036# with or without modifications, as long as this notice is preserved.
1037
c971b7fa
PA
1038# _AM_SUBST_NOTMAKE(VARIABLE)
1039# ---------------------------
1040# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1041# This macro is traced by Automake.
1042AC_DEFUN([_AM_SUBST_NOTMAKE])
1043
1044# AM_SUBST_NOTMAKE(VARIABLE)
d0ac1c44 1045# --------------------------
c971b7fa
PA
1046# Public sister of _AM_SUBST_NOTMAKE.
1047AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1048
1049# Check how to create a tarball. -*- Autoconf -*-
1050
d0ac1c44 1051# Copyright (C) 2004-2017 Free Software Foundation, Inc.
c971b7fa
PA
1052#
1053# This file is free software; the Free Software Foundation
1054# gives unlimited permission to copy and/or distribute it,
1055# with or without modifications, as long as this notice is preserved.
1056
c971b7fa
PA
1057# _AM_PROG_TAR(FORMAT)
1058# --------------------
1059# Check how to create a tarball in format FORMAT.
d0ac1c44 1060# FORMAT should be one of 'v7', 'ustar', or 'pax'.
c971b7fa
PA
1061#
1062# Substitute a variable $(am__tar) that is a command
1063# writing to stdout a FORMAT-tarball containing the directory
1064# $tardir.
1065# tardir=directory && $(am__tar) > result.tar
1066#
1067# Substitute a variable $(am__untar) that extract such
1068# a tarball read from stdin.
1069# $(am__untar) < result.tar
d0ac1c44 1070#
c971b7fa 1071AC_DEFUN([_AM_PROG_TAR],
d0ac1c44
SM
1072[# Always define AMTAR for backward compatibility. Yes, it's still used
1073# in the wild :-( We should find a proper way to deprecate it ...
1074AC_SUBST([AMTAR], ['$${TAR-tar}'])
1075
1076# We'll loop over all known methods to create a tar archive until one works.
c971b7fa 1077_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
c971b7fa 1078
d0ac1c44
SM
1079m4_if([$1], [v7],
1080 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
1081
1082 [m4_case([$1],
1083 [ustar],
1084 [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
1085 # There is notably a 21 bits limit for the UID and the GID. In fact,
1086 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
1087 # and bug#13588).
1088 am_max_uid=2097151 # 2^21 - 1
1089 am_max_gid=$am_max_uid
1090 # The $UID and $GID variables are not portable, so we need to resort
1091 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
1092 # below are definitely unexpected, so allow the users to see them
1093 # (that is, avoid stderr redirection).
1094 am_uid=`id -u || echo unknown`
1095 am_gid=`id -g || echo unknown`
1096 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
1097 if test $am_uid -le $am_max_uid; then
1098 AC_MSG_RESULT([yes])
1099 else
1100 AC_MSG_RESULT([no])
1101 _am_tools=none
1102 fi
1103 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
1104 if test $am_gid -le $am_max_gid; then
1105 AC_MSG_RESULT([yes])
1106 else
1107 AC_MSG_RESULT([no])
1108 _am_tools=none
1109 fi],
1110
1111 [pax],
1112 [],
1113
1114 [m4_fatal([Unknown tar format])])
1115
1116 AC_MSG_CHECKING([how to create a $1 tar archive])
1117
1118 # Go ahead even if we have the value already cached. We do so because we
1119 # need to set the values for the 'am__tar' and 'am__untar' variables.
1120 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1121
1122 for _am_tool in $_am_tools; do
1123 case $_am_tool in
1124 gnutar)
1125 for _am_tar in tar gnutar gtar; do
1126 AM_RUN_LOG([$_am_tar --version]) && break
1127 done
1128 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1129 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1130 am__untar="$_am_tar -xf -"
1131 ;;
1132 plaintar)
1133 # Must skip GNU tar: if it does not support --format= it doesn't create
1134 # ustar tarball either.
1135 (tar --version) >/dev/null 2>&1 && continue
1136 am__tar='tar chf - "$$tardir"'
1137 am__tar_='tar chf - "$tardir"'
1138 am__untar='tar xf -'
1139 ;;
1140 pax)
1141 am__tar='pax -L -x $1 -w "$$tardir"'
1142 am__tar_='pax -L -x $1 -w "$tardir"'
1143 am__untar='pax -r'
1144 ;;
1145 cpio)
1146 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1147 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1148 am__untar='cpio -i -H $1 -d'
1149 ;;
1150 none)
1151 am__tar=false
1152 am__tar_=false
1153 am__untar=false
1154 ;;
1155 esac
c971b7fa 1156
d0ac1c44
SM
1157 # If the value was cached, stop now. We just wanted to have am__tar
1158 # and am__untar set.
1159 test -n "${am_cv_prog_tar_$1}" && break
1160
1161 # tar/untar a dummy directory, and stop if the command works.
1162 rm -rf conftest.dir
1163 mkdir conftest.dir
1164 echo GrepMe > conftest.dir/file
1165 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1166 rm -rf conftest.dir
1167 if test -s conftest.tar; then
1168 AM_RUN_LOG([$am__untar <conftest.tar])
1169 AM_RUN_LOG([cat conftest.dir/file])
1170 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1171 fi
1172 done
c971b7fa 1173 rm -rf conftest.dir
c971b7fa 1174
d0ac1c44
SM
1175 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1176 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1177
c971b7fa
PA
1178AC_SUBST([am__tar])
1179AC_SUBST([am__untar])
1180]) # _AM_PROG_TAR
1181
73cc7272
TT
1182m4_include([../config/depstand.m4])
1183m4_include([../config/largefile.m4])
1184m4_include([../config/lead-dot.m4])
1185m4_include([../config/override.m4])
1186m4_include([../config/plugins.m4])
c971b7fa 1187m4_include([import/m4/00gnulib.m4])
c0c3707f 1188m4_include([import/m4/__inline.m4])
4a626d0a 1189m4_include([import/m4/absolute-header.m4])
8690e634 1190m4_include([import/m4/alloca.m4])
725e2999 1191m4_include([import/m4/arpa_inet_h.m4])
c0c3707f 1192m4_include([import/m4/builtin-expect.m4])
98399780 1193m4_include([import/m4/canonicalize.m4])
6ec2e0f5
SDJ
1194m4_include([import/m4/chdir-long.m4])
1195m4_include([import/m4/close.m4])
1196m4_include([import/m4/closedir.m4])
8690e634 1197m4_include([import/m4/codeset.m4])
6ec2e0f5
SDJ
1198m4_include([import/m4/d-ino.m4])
1199m4_include([import/m4/d-type.m4])
e26b6bb0 1200m4_include([import/m4/dirent_h.m4])
18848e28 1201m4_include([import/m4/dirfd.m4])
6a29c58e 1202m4_include([import/m4/dirname.m4])
98399780 1203m4_include([import/m4/double-slash-root.m4])
6ec2e0f5
SDJ
1204m4_include([import/m4/dup.m4])
1205m4_include([import/m4/dup2.m4])
98399780 1206m4_include([import/m4/eealloc.m4])
3d99e817 1207m4_include([import/m4/environ.m4])
18848e28 1208m4_include([import/m4/errno_h.m4])
6ec2e0f5 1209m4_include([import/m4/error.m4])
88b48903
WN
1210m4_include([import/m4/exponentd.m4])
1211m4_include([import/m4/exponentl.m4])
c971b7fa 1212m4_include([import/m4/extensions.m4])
a512b375 1213m4_include([import/m4/extern-inline.m4])
6ec2e0f5 1214m4_include([import/m4/fchdir.m4])
8690e634 1215m4_include([import/m4/fcntl-o.m4])
6ec2e0f5
SDJ
1216m4_include([import/m4/fcntl.m4])
1217m4_include([import/m4/fcntl_h.m4])
1218m4_include([import/m4/fdopendir.m4])
1219m4_include([import/m4/filenamecat.m4])
49e4877c 1220m4_include([import/m4/flexmember.m4])
88b48903 1221m4_include([import/m4/float_h.m4])
8690e634 1222m4_include([import/m4/fnmatch.m4])
c0c3707f 1223m4_include([import/m4/fnmatch_h.m4])
88b48903
WN
1224m4_include([import/m4/fpieee.m4])
1225m4_include([import/m4/frexp.m4])
1226m4_include([import/m4/frexpl.m4])
6ec2e0f5
SDJ
1227m4_include([import/m4/fstat.m4])
1228m4_include([import/m4/fstatat.m4])
1229m4_include([import/m4/getcwd-abort-bug.m4])
1230m4_include([import/m4/getcwd-path-max.m4])
1231m4_include([import/m4/getcwd.m4])
1232m4_include([import/m4/getdtablesize.m4])
c0c3707f 1233m4_include([import/m4/getlogin.m4])
6ec2e0f5 1234m4_include([import/m4/getlogin_r.m4])
c0c3707f 1235m4_include([import/m4/getpagesize.m4])
6ec2e0f5 1236m4_include([import/m4/getprogname.m4])
4a626d0a 1237m4_include([import/m4/gettimeofday.m4])
6ec2e0f5 1238m4_include([import/m4/glob.m4])
c0c3707f 1239m4_include([import/m4/glob_h.m4])
c971b7fa
PA
1240m4_include([import/m4/gnulib-common.m4])
1241m4_include([import/m4/gnulib-comp.m4])
1242m4_include([import/m4/include_next.m4])
725e2999 1243m4_include([import/m4/inet_ntop.m4])
c971b7fa
PA
1244m4_include([import/m4/inttypes-pri.m4])
1245m4_include([import/m4/inttypes.m4])
88b48903
WN
1246m4_include([import/m4/isnand.m4])
1247m4_include([import/m4/isnanl.m4])
2196f55f 1248m4_include([import/m4/largefile.m4])
49e4877c 1249m4_include([import/m4/limits-h.m4])
8690e634
JK
1250m4_include([import/m4/localcharset.m4])
1251m4_include([import/m4/locale-fr.m4])
1252m4_include([import/m4/locale-ja.m4])
1253m4_include([import/m4/locale-zh.m4])
5df4cba6 1254m4_include([import/m4/locale_h.m4])
c0c3707f 1255m4_include([import/m4/localtime-buffer.m4])
5abebf3c 1256m4_include([import/m4/lock.m4])
f45c62c4 1257m4_include([import/m4/lstat.m4])
6a29c58e 1258m4_include([import/m4/malloc.m4])
98399780 1259m4_include([import/m4/malloca.m4])
88b48903 1260m4_include([import/m4/math_h.m4])
8690e634
JK
1261m4_include([import/m4/mbrtowc.m4])
1262m4_include([import/m4/mbsinit.m4])
1263m4_include([import/m4/mbsrtowcs.m4])
1264m4_include([import/m4/mbstate_t.m4])
c971b7fa
PA
1265m4_include([import/m4/memchr.m4])
1266m4_include([import/m4/memmem.m4])
6ec2e0f5
SDJ
1267m4_include([import/m4/mempcpy.m4])
1268m4_include([import/m4/memrchr.m4])
8a99096f 1269m4_include([import/m4/mkdir.m4])
e8d8cce6 1270m4_include([import/m4/mkdtemp.m4])
b3279b60 1271m4_include([import/m4/mkostemp.m4])
c971b7fa 1272m4_include([import/m4/mmap-anon.m4])
6ec2e0f5
SDJ
1273m4_include([import/m4/mode_t.m4])
1274m4_include([import/m4/msvc-inval.m4])
1275m4_include([import/m4/msvc-nothrow.m4])
c971b7fa 1276m4_include([import/m4/multiarch.m4])
725e2999 1277m4_include([import/m4/netinet_in_h.m4])
98399780 1278m4_include([import/m4/nocrash.m4])
8839a007 1279m4_include([import/m4/off_t.m4])
c0c3707f
CB
1280m4_include([import/m4/open-cloexec.m4])
1281m4_include([import/m4/open-slash.m4])
6ec2e0f5
SDJ
1282m4_include([import/m4/open.m4])
1283m4_include([import/m4/openat.m4])
1284m4_include([import/m4/opendir.m4])
38ec2207 1285m4_include([import/m4/pathmax.m4])
c0c3707f 1286m4_include([import/m4/pthread_rwlock_rdlock.m4])
8424cc97 1287m4_include([import/m4/rawmemchr.m4])
6ec2e0f5 1288m4_include([import/m4/readdir.m4])
2196f55f 1289m4_include([import/m4/readlink.m4])
6ec2e0f5 1290m4_include([import/m4/realloc.m4])
6a29c58e 1291m4_include([import/m4/rename.m4])
6ec2e0f5 1292m4_include([import/m4/rewinddir.m4])
6a29c58e 1293m4_include([import/m4/rmdir.m4])
6ec2e0f5 1294m4_include([import/m4/save-cwd.m4])
3d99e817 1295m4_include([import/m4/setenv.m4])
5df4cba6 1296m4_include([import/m4/setlocale_null.m4])
0750520d 1297m4_include([import/m4/signal_h.m4])
725e2999
JB
1298m4_include([import/m4/socklen.m4])
1299m4_include([import/m4/sockpfaf.m4])
8839a007 1300m4_include([import/m4/ssize_t.m4])
c0c3707f 1301m4_include([import/m4/stat-time.m4])
2196f55f 1302m4_include([import/m4/stat.m4])
c0c3707f 1303m4_include([import/m4/std-gnu11.m4])
725e2999 1304m4_include([import/m4/stdalign.m4])
8690e634 1305m4_include([import/m4/stdbool.m4])
c971b7fa
PA
1306m4_include([import/m4/stddef_h.m4])
1307m4_include([import/m4/stdint.m4])
6a29c58e 1308m4_include([import/m4/stdio_h.m4])
98399780 1309m4_include([import/m4/stdlib_h.m4])
8424cc97 1310m4_include([import/m4/strchrnul.m4])
6ec2e0f5
SDJ
1311m4_include([import/m4/strdup.m4])
1312m4_include([import/m4/strerror.m4])
5abebf3c 1313m4_include([import/m4/strerror_r.m4])
c971b7fa 1314m4_include([import/m4/string_h.m4])
63ce7108 1315m4_include([import/m4/strstr.m4])
421693b0 1316m4_include([import/m4/strtok_r.m4])
4a626d0a 1317m4_include([import/m4/sys_socket_h.m4])
09607c9e 1318m4_include([import/m4/sys_stat_h.m4])
4a626d0a 1319m4_include([import/m4/sys_time_h.m4])
8839a007 1320m4_include([import/m4/sys_types_h.m4])
725e2999 1321m4_include([import/m4/sys_uio_h.m4])
2d8adcbd 1322m4_include([import/m4/tempname.m4])
5abebf3c 1323m4_include([import/m4/threadlib.m4])
09607c9e 1324m4_include([import/m4/time_h.m4])
f8e27d88 1325m4_include([import/m4/time_r.m4])
6ec2e0f5 1326m4_include([import/m4/unistd-safer.m4])
8839a007 1327m4_include([import/m4/unistd_h.m4])
5df4cba6 1328m4_include([import/m4/visibility.m4])
c971b7fa 1329m4_include([import/m4/warn-on-use.m4])
8690e634 1330m4_include([import/m4/wchar_h.m4])
c971b7fa 1331m4_include([import/m4/wchar_t.m4])
8690e634
JK
1332m4_include([import/m4/wctype_h.m4])
1333m4_include([import/m4/wint_t.m4])
5df4cba6 1334m4_include([import/m4/zzgnulib.m4])
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