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Errors in the 'id' calls 1137 # below are definitely unexpected, so allow the users to see them 1138 # (that is, avoid stderr redirection). 1139 am_uid=`id -u || echo unknown` 1140 am_gid=`id -g || echo unknown` 1141 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1142 if test $am_uid -le $am_max_uid; then 1143 AC_MSG_RESULT([yes]) 1144 else 1145 AC_MSG_RESULT([no]) 1146 _am_tools=none 1147 fi 1148 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1149 if test $am_gid -le $am_max_gid; then 1150 AC_MSG_RESULT([yes]) 1151 else 1152 AC_MSG_RESULT([no]) 1153 _am_tools=none 1154 fi], 1155 1156 [pax], 1157 [], 1158 1159 [m4_fatal([Unknown tar format])]) 1160 1161 AC_MSG_CHECKING([how to create a $1 tar archive]) 1162 1163 # Go ahead even if we have the value already cached. We do so because we 1164 # need to set the values for the 'am__tar' and 'am__untar' variables. 1165 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1166 1167 for _am_tool in $_am_tools; do 1168 case $_am_tool in 1169 gnutar) 1170 for _am_tar in tar gnutar gtar; do 1171 AM_RUN_LOG([$_am_tar --version]) && break 1172 done 1173 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1174 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1175 am__untar="$_am_tar -xf -" 1176 ;; 1177 plaintar) 1178 # Must skip GNU tar: if it does not support --format= it doesn't create 1179 # ustar tarball either. 1180 (tar --version) >/dev/null 2>&1 && continue 1181 am__tar='tar chf - "$$tardir"' 1182 am__tar_='tar chf - "$tardir"' 1183 am__untar='tar xf -' 1184 ;; 1185 pax) 1186 am__tar='pax -L -x $1 -w "$$tardir"' 1187 am__tar_='pax -L -x $1 -w "$tardir"' 1188 am__untar='pax -r' 1189 ;; 1190 cpio) 1191 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1192 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1193 am__untar='cpio -i -H $1 -d' 1194 ;; 1195 none) 1196 am__tar=false 1197 am__tar_=false 1198 am__untar=false 1199 ;; 1200 esac 1201 1202 # If the value was cached, stop now. We just wanted to have am__tar 1203 # and am__untar set. 1204 test -n "${am_cv_prog_tar_$1}" && break 1205 1206 # tar/untar a dummy directory, and stop if the command works. 1207 rm -rf conftest.dir 1208 mkdir conftest.dir 1209 echo GrepMe > conftest.dir/file 1210 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1211 rm -rf conftest.dir 1212 if test -s conftest.tar; then 1213 AM_RUN_LOG([$am__untar <conftest.tar]) 1214 AM_RUN_LOG([cat conftest.dir/file]) 1215 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1216 fi 1217 done 1218 rm -rf conftest.dir 1219 1220 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1221 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1222 1223AC_SUBST([am__tar]) 1224AC_SUBST([am__untar]) 1225]) # _AM_PROG_TAR 1226 1227m4_include([m4/gettext.m4]) 1228m4_include([m4/iconv.m4]) 1229m4_include([m4/intlmacosx.m4]) 1230m4_include([m4/lib-ld.m4]) 1231m4_include([m4/lib-link.m4]) 1232m4_include([m4/lib-prefix.m4]) 1233m4_include([m4/nls.m4]) 1234m4_include([m4/po.m4]) 1235m4_include([m4/progtest.m4]) 1236