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Yes, it's still used 1148# in the wild :-( We should find a proper way to deprecate it ... 1149AC_SUBST([AMTAR], ['$${TAR-tar}']) 1150 1151# We'll loop over all known methods to create a tar archive until one works. 1152_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 1153 1154m4_if([$1], [v7], 1155 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 1156 1157 [m4_case([$1], 1158 [ustar], 1159 [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 1160 # There is notably a 21 bits limit for the UID and the GID. In fact, 1161 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 1162 # and bug#13588). 1163 am_max_uid=2097151 # 2^21 - 1 1164 am_max_gid=$am_max_uid 1165 # The $UID and $GID variables are not portable, so we need to resort 1166 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 1167 # below are definitely unexpected, so allow the users to see them 1168 # (that is, avoid stderr redirection). 1169 am_uid=`id -u || echo unknown` 1170 am_gid=`id -g || echo unknown` 1171 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1172 if test $am_uid -le $am_max_uid; then 1173 AC_MSG_RESULT([yes]) 1174 else 1175 AC_MSG_RESULT([no]) 1176 _am_tools=none 1177 fi 1178 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1179 if test $am_gid -le $am_max_gid; then 1180 AC_MSG_RESULT([yes]) 1181 else 1182 AC_MSG_RESULT([no]) 1183 _am_tools=none 1184 fi], 1185 1186 [pax], 1187 [], 1188 1189 [m4_fatal([Unknown tar format])]) 1190 1191 AC_MSG_CHECKING([how to create a $1 tar archive]) 1192 1193 # Go ahead even if we have the value already cached. We do so because we 1194 # need to set the values for the 'am__tar' and 'am__untar' variables. 1195 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1196 1197 for _am_tool in $_am_tools; do 1198 case $_am_tool in 1199 gnutar) 1200 for _am_tar in tar gnutar gtar; do 1201 AM_RUN_LOG([$_am_tar --version]) && break 1202 done 1203 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1204 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1205 am__untar="$_am_tar -xf -" 1206 ;; 1207 plaintar) 1208 # Must skip GNU tar: if it does not support --format= it doesn't create 1209 # ustar tarball either. 1210 (tar --version) >/dev/null 2>&1 && continue 1211 am__tar='tar chf - "$$tardir"' 1212 am__tar_='tar chf - "$tardir"' 1213 am__untar='tar xf -' 1214 ;; 1215 pax) 1216 am__tar='pax -L -x $1 -w "$$tardir"' 1217 am__tar_='pax -L -x $1 -w "$tardir"' 1218 am__untar='pax -r' 1219 ;; 1220 cpio) 1221 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1222 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1223 am__untar='cpio -i -H $1 -d' 1224 ;; 1225 none) 1226 am__tar=false 1227 am__tar_=false 1228 am__untar=false 1229 ;; 1230 esac 1231 1232 # If the value was cached, stop now. We just wanted to have am__tar 1233 # and am__untar set. 1234 test -n "${am_cv_prog_tar_$1}" && break 1235 1236 # tar/untar a dummy directory, and stop if the command works. 1237 rm -rf conftest.dir 1238 mkdir conftest.dir 1239 echo GrepMe > conftest.dir/file 1240 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1241 rm -rf conftest.dir 1242 if test -s conftest.tar; then 1243 AM_RUN_LOG([$am__untar <conftest.tar]) 1244 AM_RUN_LOG([cat conftest.dir/file]) 1245 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1246 fi 1247 done 1248 rm -rf conftest.dir 1249 1250 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1251 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1252 1253AC_SUBST([am__tar]) 1254AC_SUBST([am__untar]) 1255]) # _AM_PROG_TAR 1256 1257m4_include([m4/ac_func_fseeko.m4]) 1258m4_include([m4/ax_c___attribute__.m4]) 1259m4_include([m4/ax_cflags_warn_all.m4]) 1260m4_include([m4/ax_check_compile_flag.m4]) 1261m4_include([m4/ax_check_framework.m4]) 1262m4_include([m4/ax_compare_version.m4]) 1263m4_include([m4/ax_compiler_vendor.m4]) 1264m4_include([m4/ax_cxx_bool.m4]) 1265m4_include([m4/ax_cxx_namespace_std.m4]) 1266m4_include([m4/ax_cxx_namespaces.m4]) 1267m4_include([m4/ax_gcc_archflag.m4]) 1268m4_include([m4/ax_gcc_x86_cpuid.m4]) 1269m4_include([m4/ax_have_opencl.m4]) 1270m4_include([m4/ax_prefix_config_h.m4]) 1271m4_include([m4/ax_prepend_flag.m4]) 1272m4_include([m4/ax_prog_perl_version.m4]) 1273m4_include([m4/ax_pthread.m4]) 1274m4_include([m4/ax_require_defined.m4]) 1275m4_include([m4/cxx_have_std_libs.m4]) 1276m4_include([m4/framework.m4]) 1277m4_include([m4/ld-version-script.m4]) 1278m4_include([m4/libtool.m4]) 1279m4_include([m4/ltoptions.m4]) 1280m4_include([m4/ltsugar.m4]) 1281m4_include([m4/ltversion.m4]) 1282m4_include([m4/lt~obsolete.m4]) 1283m4_include([m4/pkg.m4]) 1284