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