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It will interpret all options as 668 # directories to create, and then abort because `.' already 669 # exists. 670 for d in ./-p ./--version; 671 do 672 test -d $d && rmdir $d 673 done 674 # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists. 675 if test -f "$ac_aux_dir/mkinstalldirs"; then 676 mkdir_p='$(mkinstalldirs)' 677 else 678 mkdir_p='$(install_sh) -d' 679 fi 680fi 681AC_SUBST([mkdir_p])]) 682 683# Helper functions for option handling. -*- Autoconf -*- 684 685# Copyright (C) 2001, 2002, 2003, 2005 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. 690 691# serial 3 692 693# _AM_MANGLE_OPTION(NAME) 694# ----------------------- 695AC_DEFUN([_AM_MANGLE_OPTION], 696[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])]) 697 698# _AM_SET_OPTION(NAME) 699# ------------------------------ 700# Set option NAME. Presently that only means defining a flag for this option. 701AC_DEFUN([_AM_SET_OPTION], 702[m4_define(_AM_MANGLE_OPTION([$1]), 1)]) 703 704# _AM_SET_OPTIONS(OPTIONS) 705# ---------------------------------- 706# OPTIONS is a space-separated list of Automake options. 707AC_DEFUN([_AM_SET_OPTIONS], 708[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])]) 709 710# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET]) 711# ------------------------------------------- 712# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. 713AC_DEFUN([_AM_IF_OPTION], 714[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])]) 715 716# Check to make sure that the build environment is sane. -*- Autoconf -*- 717 718# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005 719# Free Software Foundation, Inc. 720# 721# This file is free software; the Free Software Foundation 722# gives unlimited permission to copy and/or distribute it, 723# with or without modifications, as long as this notice is preserved. 724 725# serial 4 726 727# AM_SANITY_CHECK 728# --------------- 729AC_DEFUN([AM_SANITY_CHECK], 730[AC_MSG_CHECKING([whether build environment is sane]) 731# Just in case 732sleep 1 733echo timestamp > conftest.file 734# Do `set' in a subshell so we don't clobber the current shell's 735# arguments. Must try -L first in case configure is actually a 736# symlink; some systems play weird games with the mod time of symlinks 737# (eg FreeBSD returns the mod time of the symlink's containing 738# directory). 739if ( 740 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` 741 if test "$[*]" = "X"; then 742 # -L didn't work. 743 set X `ls -t $srcdir/configure conftest.file` 744 fi 745 rm -f conftest.file 746 if test "$[*]" != "X $srcdir/configure conftest.file" \ 747 && test "$[*]" != "X conftest.file $srcdir/configure"; then 748 749 # If neither matched, then we have a broken ls. This can happen 750 # if, for instance, CONFIG_SHELL is bash and it inherits a 751 # broken ls alias from the environment. This has actually 752 # happened. Such a system could not be considered "sane". 753 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken 754alias in your environment]) 755 fi 756 757 test "$[2]" = conftest.file 758 ) 759then 760 # Ok. 761 : 762else 763 AC_MSG_ERROR([newly created file is older than distributed files! 764Check your system clock]) 765fi 766AC_MSG_RESULT(yes)]) 767 768# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc. 769# 770# This file is free software; the Free Software Foundation 771# gives unlimited permission to copy and/or distribute it, 772# with or without modifications, as long as this notice is preserved. 773 774# AM_PROG_INSTALL_STRIP 775# --------------------- 776# One issue with vendor `install' (even GNU) is that you can't 777# specify the program used to strip binaries. This is especially 778# annoying in cross-compiling environments, where the build's strip 779# is unlikely to handle the host's binaries. 780# Fortunately install-sh will honor a STRIPPROG variable, so we 781# always use install-sh in `make install-strip', and initialize 782# STRIPPROG with the value of the STRIP variable (set by the user). 783AC_DEFUN([AM_PROG_INSTALL_STRIP], 784[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl 785# Installed binaries are usually stripped using `strip' when the user 786# run `make install-strip'. However `strip' might not be the right 787# tool to use in cross-compilation environments, therefore Automake 788# will honor the `STRIP' environment variable to overrule this program. 789dnl Don't test for $cross_compiling = yes, because it might be `maybe'. 790if test "$cross_compiling" != no; then 791 AC_CHECK_TOOL([STRIP], [strip], :) 792fi 793INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s" 794AC_SUBST([INSTALL_STRIP_PROGRAM])]) 795 796# Check how to create a tarball. -*- Autoconf -*- 797 798# Copyright (C) 2004, 2005 Free Software Foundation, Inc. 799# 800# This file is free software; the Free Software Foundation 801# gives unlimited permission to copy and/or distribute it, 802# with or without modifications, as long as this notice is preserved. 803 804# serial 2 805 806# _AM_PROG_TAR(FORMAT) 807# -------------------- 808# Check how to create a tarball in format FORMAT. 809# FORMAT should be one of `v7', `ustar', or `pax'. 810# 811# Substitute a variable $(am__tar) that is a command 812# writing to stdout a FORMAT-tarball containing the directory 813# $tardir. 814# tardir=directory && $(am__tar) > result.tar 815# 816# Substitute a variable $(am__untar) that extract such 817# a tarball read from stdin. 818# $(am__untar) < result.tar 819AC_DEFUN([_AM_PROG_TAR], 820[# Always define AMTAR for backward compatibility. 821AM_MISSING_PROG([AMTAR], [tar]) 822m4_if([$1], [v7], 823 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'], 824 [m4_case([$1], [ustar],, [pax],, 825 [m4_fatal([Unknown tar format])]) 826AC_MSG_CHECKING([how to create a $1 tar archive]) 827# Loop over all known methods to create a tar archive until one works. 828_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 829_am_tools=${am_cv_prog_tar_$1-$_am_tools} 830# Do not fold the above two line into one, because Tru64 sh and 831# Solaris sh will not grok spaces in the rhs of `-'. 832for _am_tool in $_am_tools 833do 834 case $_am_tool in 835 gnutar) 836 for _am_tar in tar gnutar gtar; 837 do 838 AM_RUN_LOG([$_am_tar --version]) && break 839 done 840 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 841 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 842 am__untar="$_am_tar -xf -" 843 ;; 844 plaintar) 845 # Must skip GNU tar: if it does not support --format= it doesn't create 846 # ustar tarball either. 847 (tar --version) >/dev/null 2>&1 && continue 848 am__tar='tar chf - "$$tardir"' 849 am__tar_='tar chf - "$tardir"' 850 am__untar='tar xf -' 851 ;; 852 pax) 853 am__tar='pax -L -x $1 -w "$$tardir"' 854 am__tar_='pax -L -x $1 -w "$tardir"' 855 am__untar='pax -r' 856 ;; 857 cpio) 858 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 859 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 860 am__untar='cpio -i -H $1 -d' 861 ;; 862 none) 863 am__tar=false 864 am__tar_=false 865 am__untar=false 866 ;; 867 esac 868 869 # If the value was cached, stop now. We just wanted to have am__tar 870 # and am__untar set. 871 test -n "${am_cv_prog_tar_$1}" && break 872 873 # tar/untar a dummy directory, and stop if the command works 874 rm -rf conftest.dir 875 mkdir conftest.dir 876 echo GrepMe > conftest.dir/file 877 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 878 rm -rf conftest.dir 879 if test -s conftest.tar; then 880 AM_RUN_LOG([$am__untar <conftest.tar]) 881 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 882 fi 883done 884rm -rf conftest.dir 885 886AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 887AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 888AC_SUBST([am__tar]) 889AC_SUBST([am__untar]) 890]) # _AM_PROG_TAR 891 892m4_include([acinclude.m4]) 893