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Errors in the 'id' calls 1156 # below are definitely unexpected, so allow the users to see them 1157 # (that is, avoid stderr redirection). 1158 am_uid=`id -u || echo unknown` 1159 am_gid=`id -g || echo unknown` 1160 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1161 if test $am_uid -le $am_max_uid; then 1162 AC_MSG_RESULT([yes]) 1163 else 1164 AC_MSG_RESULT([no]) 1165 _am_tools=none 1166 fi 1167 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1168 if test $am_gid -le $am_max_gid; then 1169 AC_MSG_RESULT([yes]) 1170 else 1171 AC_MSG_RESULT([no]) 1172 _am_tools=none 1173 fi], 1174 1175 [pax], 1176 [], 1177 1178 [m4_fatal([Unknown tar format])]) 1179 1180 AC_MSG_CHECKING([how to create a $1 tar archive]) 1181 1182 # Go ahead even if we have the value already cached. We do so because we 1183 # need to set the values for the 'am__tar' and 'am__untar' variables. 1184 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1185 1186 for _am_tool in $_am_tools; do 1187 case $_am_tool in 1188 gnutar) 1189 for _am_tar in tar gnutar gtar; do 1190 AM_RUN_LOG([$_am_tar --version]) && break 1191 done 1192 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1193 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1194 am__untar="$_am_tar -xf -" 1195 ;; 1196 plaintar) 1197 # Must skip GNU tar: if it does not support --format= it doesn't create 1198 # ustar tarball either. 1199 (tar --version) >/dev/null 2>&1 && continue 1200 am__tar='tar chf - "$$tardir"' 1201 am__tar_='tar chf - "$tardir"' 1202 am__untar='tar xf -' 1203 ;; 1204 pax) 1205 am__tar='pax -L -x $1 -w "$$tardir"' 1206 am__tar_='pax -L -x $1 -w "$tardir"' 1207 am__untar='pax -r' 1208 ;; 1209 cpio) 1210 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1211 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1212 am__untar='cpio -i -H $1 -d' 1213 ;; 1214 none) 1215 am__tar=false 1216 am__tar_=false 1217 am__untar=false 1218 ;; 1219 esac 1220 1221 # If the value was cached, stop now. We just wanted to have am__tar 1222 # and am__untar set. 1223 test -n "${am_cv_prog_tar_$1}" && break 1224 1225 # tar/untar a dummy directory, and stop if the command works. 1226 rm -rf conftest.dir 1227 mkdir conftest.dir 1228 echo GrepMe > conftest.dir/file 1229 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1230 rm -rf conftest.dir 1231 if test -s conftest.tar; then 1232 AM_RUN_LOG([$am__untar <conftest.tar]) 1233 AM_RUN_LOG([cat conftest.dir/file]) 1234 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1235 fi 1236 done 1237 rm -rf conftest.dir 1238 1239 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1240 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1241 1242AC_SUBST([am__tar]) 1243AC_SUBST([am__untar]) 1244]) # _AM_PROG_TAR 1245 1246m4_include([config/m4/gtest.m4]) 1247m4_include([config/m4/libtool.m4]) 1248m4_include([config/m4/ltoptions.m4]) 1249m4_include([config/m4/ltsugar.m4]) 1250m4_include([config/m4/ltversion.m4]) 1251m4_include([config/m4/lt~obsolete.m4]) 1252