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Presently that only means defining a flag for this option. 668AC_DEFUN([_AM_SET_OPTION], 669[m4_define(_AM_MANGLE_OPTION([$1]), 1)]) 670 671# _AM_SET_OPTIONS(OPTIONS) 672# ---------------------------------- 673# OPTIONS is a space-separated list of Automake options. 674AC_DEFUN([_AM_SET_OPTIONS], 675[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])]) 676 677# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET]) 678# ------------------------------------------- 679# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. 680AC_DEFUN([_AM_IF_OPTION], 681[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])]) 682 683# Check to make sure that the build environment is sane. -*- Autoconf -*- 684 685# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005 686# 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# serial 4 693 694# AM_SANITY_CHECK 695# --------------- 696AC_DEFUN([AM_SANITY_CHECK], 697[AC_MSG_CHECKING([whether build environment is sane]) 698# Just in case 699sleep 1 700echo timestamp > conftest.file 701# Do `set' in a subshell so we don't clobber the current shell's 702# arguments. Must try -L first in case configure is actually a 703# symlink; some systems play weird games with the mod time of symlinks 704# (eg FreeBSD returns the mod time of the symlink's containing 705# directory). 706if ( 707 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null` 708 if test "$[*]" = "X"; then 709 # -L didn't work. 710 set X `ls -t $srcdir/configure conftest.file` 711 fi 712 rm -f conftest.file 713 if test "$[*]" != "X $srcdir/configure conftest.file" \ 714 && test "$[*]" != "X conftest.file $srcdir/configure"; then 715 716 # If neither matched, then we have a broken ls. This can happen 717 # if, for instance, CONFIG_SHELL is bash and it inherits a 718 # broken ls alias from the environment. This has actually 719 # happened. Such a system could not be considered "sane". 720 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken 721alias in your environment]) 722 fi 723 724 test "$[2]" = conftest.file 725 ) 726then 727 # Ok. 728 : 729else 730 AC_MSG_ERROR([newly created file is older than distributed files! 731Check your system clock]) 732fi 733AC_MSG_RESULT(yes)]) 734 735# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc. 736# 737# This file is free software; the Free Software Foundation 738# gives unlimited permission to copy and/or distribute it, 739# with or without modifications, as long as this notice is preserved. 740 741# AM_PROG_INSTALL_STRIP 742# --------------------- 743# One issue with vendor `install' (even GNU) is that you can't 744# specify the program used to strip binaries. 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However `strip' might not be the right 754# tool to use in cross-compilation environments, therefore Automake 755# will honor the `STRIP' environment variable to overrule this program. 756dnl Don't test for $cross_compiling = yes, because it might be `maybe'. 757if test "$cross_compiling" != no; then 758 AC_CHECK_TOOL([STRIP], [strip], :) 759fi 760INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s" 761AC_SUBST([INSTALL_STRIP_PROGRAM])]) 762 763# Check how to create a tarball. -*- Autoconf -*- 764 765# Copyright (C) 2004, 2005 Free Software Foundation, Inc. 766# 767# This file is free software; the Free Software Foundation 768# gives unlimited permission to copy and/or distribute it, 769# with or without modifications, as long as this notice is preserved. 770 771# serial 2 772 773# _AM_PROG_TAR(FORMAT) 774# -------------------- 775# Check how to create a tarball in format FORMAT. 776# FORMAT should be one of `v7', `ustar', or `pax'. 777# 778# Substitute a variable $(am__tar) that is a command 779# writing to stdout a FORMAT-tarball containing the directory 780# $tardir. 781# tardir=directory && $(am__tar) > result.tar 782# 783# Substitute a variable $(am__untar) that extract such 784# a tarball read from stdin. 785# $(am__untar) < result.tar 786AC_DEFUN([_AM_PROG_TAR], 787[# Always define AMTAR for backward compatibility. 788AM_MISSING_PROG([AMTAR], [tar]) 789m4_if([$1], [v7], 790 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'], 791 [m4_case([$1], [ustar],, [pax],, 792 [m4_fatal([Unknown tar format])]) 793AC_MSG_CHECKING([how to create a $1 tar archive]) 794# Loop over all known methods to create a tar archive until one works. 795_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 796_am_tools=${am_cv_prog_tar_$1-$_am_tools} 797# Do not fold the above two line into one, because Tru64 sh and 798# Solaris sh will not grok spaces in the rhs of `-'. 799for _am_tool in $_am_tools 800do 801 case $_am_tool in 802 gnutar) 803 for _am_tar in tar gnutar gtar; 804 do 805 AM_RUN_LOG([$_am_tar --version]) && break 806 done 807 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 808 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 809 am__untar="$_am_tar -xf -" 810 ;; 811 plaintar) 812 # Must skip GNU tar: if it does not support --format= it doesn't create 813 # ustar tarball either. 814 (tar --version) >/dev/null 2>&1 && continue 815 am__tar='tar chf - "$$tardir"' 816 am__tar_='tar chf - "$tardir"' 817 am__untar='tar xf -' 818 ;; 819 pax) 820 am__tar='pax -L -x $1 -w "$$tardir"' 821 am__tar_='pax -L -x $1 -w "$tardir"' 822 am__untar='pax -r' 823 ;; 824 cpio) 825 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 826 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 827 am__untar='cpio -i -H $1 -d' 828 ;; 829 none) 830 am__tar=false 831 am__tar_=false 832 am__untar=false 833 ;; 834 esac 835 836 # If the value was cached, stop now. We just wanted to have am__tar 837 # and am__untar set. 838 test -n "${am_cv_prog_tar_$1}" && break 839 840 # tar/untar a dummy directory, and stop if the command works 841 rm -rf conftest.dir 842 mkdir conftest.dir 843 echo GrepMe > conftest.dir/file 844 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 845 rm -rf conftest.dir 846 if test -s conftest.tar; then 847 AM_RUN_LOG([$am__untar <conftest.tar]) 848 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 849 fi 850done 851rm -rf conftest.dir 852 853AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 854AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 855AC_SUBST([am__tar]) 856AC_SUBST([am__untar]) 857]) # _AM_PROG_TAR 858 859m4_include([../config/acx.m4]) 860m4_include([../config/depstand.m4]) 861m4_include([../config/enable.m4]) 862m4_include([../config/futex.m4]) 863m4_include([../config/lead-dot.m4]) 864m4_include([../config/multi.m4]) 865m4_include([../config/stdint.m4]) 866m4_include([../config/tls.m4]) 867m4_include([../ltoptions.m4]) 868m4_include([../ltsugar.m4]) 869m4_include([../ltversion.m4]) 870m4_include([../lt~obsolete.m4]) 871m4_include([acinclude.m4]) 872