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Errors in the 'id' calls 1159 # below are definitely unexpected, so allow the users to see them 1160 # (that is, avoid stderr redirection). 1161 am_uid=`id -u || echo unknown` 1162 am_gid=`id -g || echo unknown` 1163 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1164 if test $am_uid -le $am_max_uid; then 1165 AC_MSG_RESULT([yes]) 1166 else 1167 AC_MSG_RESULT([no]) 1168 _am_tools=none 1169 fi 1170 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1171 if test $am_gid -le $am_max_gid; then 1172 AC_MSG_RESULT([yes]) 1173 else 1174 AC_MSG_RESULT([no]) 1175 _am_tools=none 1176 fi], 1177 1178 [pax], 1179 [], 1180 1181 [m4_fatal([Unknown tar format])]) 1182 1183 AC_MSG_CHECKING([how to create a $1 tar archive]) 1184 1185 # Go ahead even if we have the value already cached. We do so because we 1186 # need to set the values for the 'am__tar' and 'am__untar' variables. 1187 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1188 1189 for _am_tool in $_am_tools; do 1190 case $_am_tool in 1191 gnutar) 1192 for _am_tar in tar gnutar gtar; do 1193 AM_RUN_LOG([$_am_tar --version]) && break 1194 done 1195 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1196 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1197 am__untar="$_am_tar -xf -" 1198 ;; 1199 plaintar) 1200 # Must skip GNU tar: if it does not support --format= it doesn't create 1201 # ustar tarball either. 1202 (tar --version) >/dev/null 2>&1 && continue 1203 am__tar='tar chf - "$$tardir"' 1204 am__tar_='tar chf - "$tardir"' 1205 am__untar='tar xf -' 1206 ;; 1207 pax) 1208 am__tar='pax -L -x $1 -w "$$tardir"' 1209 am__tar_='pax -L -x $1 -w "$tardir"' 1210 am__untar='pax -r' 1211 ;; 1212 cpio) 1213 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1214 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1215 am__untar='cpio -i -H $1 -d' 1216 ;; 1217 none) 1218 am__tar=false 1219 am__tar_=false 1220 am__untar=false 1221 ;; 1222 esac 1223 1224 # If the value was cached, stop now. We just wanted to have am__tar 1225 # and am__untar set. 1226 test -n "${am_cv_prog_tar_$1}" && break 1227 1228 # tar/untar a dummy directory, and stop if the command works. 1229 rm -rf conftest.dir 1230 mkdir conftest.dir 1231 echo GrepMe > conftest.dir/file 1232 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1233 rm -rf conftest.dir 1234 if test -s conftest.tar; then 1235 AM_RUN_LOG([$am__untar <conftest.tar]) 1236 AM_RUN_LOG([cat conftest.dir/file]) 1237 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1238 fi 1239 done 1240 rm -rf conftest.dir 1241 1242 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1243 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1244 1245AC_SUBST([am__tar]) 1246AC_SUBST([am__untar]) 1247]) # _AM_PROG_TAR 1248 1249m4_include([../libtool.m4]) 1250m4_include([../ltoptions.m4]) 1251m4_include([../ltsugar.m4]) 1252m4_include([../ltversion.m4]) 1253m4_include([../lt~obsolete.m4]) 1254m4_include([acinclude.m4]) 1255