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Yes, it's still used 1.934 -# in the wild :-( We should find a proper way to deprecate it ... 1.935 -AC_SUBST([AMTAR], ['$${TAR-tar}']) 1.936 - 1.937 -# We'll loop over all known methods to create a tar archive until one works. 1.938 -_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 1.939 - 1.940 -m4_if([$1], [v7], 1.941 - [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 1.942 - 1.943 - [m4_case([$1], 1.944 - [ustar], 1.945 - [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 1.946 - # There is notably a 21 bits limit for the UID and the GID. In fact, 1.947 - # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 1.948 - # and bug#13588). 1.949 - am_max_uid=2097151 # 2^21 - 1 1.950 - am_max_gid=$am_max_uid 1.951 - # The $UID and $GID variables are not portable, so we need to resort 1.952 - # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 1.953 - # below are definitely unexpected, so allow the users to see them 1.954 - # (that is, avoid stderr redirection). 1.955 - am_uid=`id -u || echo unknown` 1.956 - am_gid=`id -g || echo unknown` 1.957 - AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1.958 - if test $am_uid -le $am_max_uid; then 1.959 - AC_MSG_RESULT([yes]) 1.960 - else 1.961 - AC_MSG_RESULT([no]) 1.962 - _am_tools=none 1.963 - fi 1.964 - AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1.965 - if test $am_gid -le $am_max_gid; then 1.966 - AC_MSG_RESULT([yes]) 1.967 - else 1.968 - AC_MSG_RESULT([no]) 1.969 - _am_tools=none 1.970 - fi], 1.971 - 1.972 - [pax], 1.973 - [], 1.974 - 1.975 - [m4_fatal([Unknown tar format])]) 1.976 - 1.977 - AC_MSG_CHECKING([how to create a $1 tar archive]) 1.978 - 1.979 - # Go ahead even if we have the value already cached. We do so because we 1.980 - # need to set the values for the 'am__tar' and 'am__untar' variables. 1.981 - _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1.982 - 1.983 - for _am_tool in $_am_tools; do 1.984 - case $_am_tool in 1.985 - gnutar) 1.986 - for _am_tar in tar gnutar gtar; do 1.987 - AM_RUN_LOG([$_am_tar --version]) && break 1.988 - done 1.989 - am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1.990 - am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1.991 - am__untar="$_am_tar -xf -" 1.992 - ;; 1.993 - plaintar) 1.994 - # Must skip GNU tar: if it does not support --format= it doesn't create 1.995 - # ustar tarball either. 1.996 - (tar --version) >/dev/null 2>&1 && continue 1.997 - am__tar='tar chf - "$$tardir"' 1.998 - am__tar_='tar chf - "$tardir"' 1.999 - am__untar='tar xf -' 1.1000 - ;; 1.1001 - pax) 1.1002 - am__tar='pax -L -x $1 -w "$$tardir"' 1.1003 - am__tar_='pax -L -x $1 -w "$tardir"' 1.1004 - am__untar='pax -r' 1.1005 - ;; 1.1006 - cpio) 1.1007 - am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1.1008 - am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1.1009 - am__untar='cpio -i -H $1 -d' 1.1010 - ;; 1.1011 - none) 1.1012 - am__tar=false 1.1013 - am__tar_=false 1.1014 - am__untar=false 1.1015 - ;; 1.1016 - esac 1.1017 - 1.1018 - # If the value was cached, stop now. We just wanted to have am__tar 1.1019 - # and am__untar set. 1.1020 - test -n "${am_cv_prog_tar_$1}" && break 1.1021 - 1.1022 - # tar/untar a dummy directory, and stop if the command works. 1.1023 - rm -rf conftest.dir 1.1024 - mkdir conftest.dir 1.1025 - echo GrepMe > conftest.dir/file 1.1026 - AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1.1027 - rm -rf conftest.dir 1.1028 - if test -s conftest.tar; then 1.1029 - AM_RUN_LOG([$am__untar <conftest.tar]) 1.1030 - AM_RUN_LOG([cat conftest.dir/file]) 1.1031 - grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1.1032 - fi 1.1033 - done 1.1034 - rm -rf conftest.dir 1.1035 - 1.1036 - AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1.1037 - AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1.1038 - 1.1039 -AC_SUBST([am__tar]) 1.1040 -AC_SUBST([am__untar]) 1.1041 -]) # _AM_PROG_TAR 1.1042 -