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Yes, it's still used 1146 # in the wild :-( We should find a proper way to deprecate it ... 1147 AC_SUBST([AMTAR], ['$${TAR-tar}']) 1148 1149 # We'll loop over all known methods to create a tar archive until one works. 1150 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 1151 1152 m4_if([$1], [v7], 1153 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 1154 1155 [m4_case([$1], 1156 [ustar], 1157 [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 1158 # There is notably a 21 bits limit for the UID and the GID. In fact, 1159 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 1160 # and bug#13588). 1161 am_max_uid=2097151 # 2^21 - 1 1162 am_max_gid=$am_max_uid 1163 # The $UID and $GID variables are not portable, so we need to resort 1164 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 1165 # below are definitely unexpected, so allow the users to see them 1166 # (that is, avoid stderr redirection). 1167 am_uid=`id -u || echo unknown` 1168 am_gid=`id -g || echo unknown` 1169 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1170 if test $am_uid -le $am_max_uid; then 1171 AC_MSG_RESULT([yes]) 1172 else 1173 AC_MSG_RESULT([no]) 1174 _am_tools=none 1175 fi 1176 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1177 if test $am_gid -le $am_max_gid; then 1178 AC_MSG_RESULT([yes]) 1179 else 1180 AC_MSG_RESULT([no]) 1181 _am_tools=none 1182 fi], 1183 1184 [pax], 1185 [], 1186 1187 [m4_fatal([Unknown tar format])]) 1188 1189 AC_MSG_CHECKING([how to create a $1 tar archive]) 1190 1191 # Go ahead even if we have the value already cached. We do so because we 1192 # need to set the values for the 'am__tar' and 'am__untar' variables. 1193 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1194 1195 for _am_tool in $_am_tools; do 1196 case $_am_tool in 1197 gnutar) 1198 for _am_tar in tar gnutar gtar; do 1199 AM_RUN_LOG([$_am_tar --version]) && break 1200 done 1201 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1202 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1203 am__untar="$_am_tar -xf -" 1204 ;; 1205 plaintar) 1206 # Must skip GNU tar: if it does not support --format= it doesn't create 1207 # ustar tarball either. 1208 (tar --version) >/dev/null 2>&1 && continue 1209 am__tar='tar chf - "$$tardir"' 1210 am__tar_='tar chf - "$tardir"' 1211 am__untar='tar xf -' 1212 ;; 1213 pax) 1214 am__tar='pax -L -x $1 -w "$$tardir"' 1215 am__tar_='pax -L -x $1 -w "$tardir"' 1216 am__untar='pax -r' 1217 ;; 1218 cpio) 1219 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1220 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1221 am__untar='cpio -i -H $1 -d' 1222 ;; 1223 none) 1224 am__tar=false 1225 am__tar_=false 1226 am__untar=false 1227 ;; 1228 esac 1229 1230 # If the value was cached, stop now. We just wanted to have am__tar 1231 # and am__untar set. 1232 test -n "${am_cv_prog_tar_$1}" && break 1233 1234 # tar/untar a dummy directory, and stop if the command works. 1235 rm -rf conftest.dir 1236 mkdir conftest.dir 1237 echo GrepMe > conftest.dir/file 1238 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1239 rm -rf conftest.dir 1240 if test -s conftest.tar; then 1241 AM_RUN_LOG([$am__untar <conftest.tar]) 1242 AM_RUN_LOG([cat conftest.dir/file]) 1243 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1244 fi 1245 done 1246 rm -rf conftest.dir 1247 1248 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1249 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1250 1251 AC_SUBST([am__tar]) 1252 AC_SUBST([am__untar]) 1253 ]) # _AM_PROG_TAR 1254 1255 m4_include([m4/ac_func_fseeko.m4]) 1256 m4_include([m4/ax_append_flag.m4]) 1257 m4_include([m4/ax_c___attribute__.m4]) 1258 m4_include([m4/ax_cflags_warn_all.m4]) 1259 m4_include([m4/ax_check_compile_flag.m4]) 1260 m4_include([m4/ax_compare_version.m4]) 1261 m4_include([m4/ax_compiler_vendor.m4]) 1262 m4_include([m4/ax_cxx_bool.m4]) 1263 m4_include([m4/ax_cxx_namespace_std.m4]) 1264 m4_include([m4/ax_cxx_namespaces.m4]) 1265 m4_include([m4/ax_gcc_archflag.m4]) 1266 m4_include([m4/ax_gcc_x86_cpuid.m4]) 1267 m4_include([m4/ax_lang_compiler_ms.m4]) 1268 m4_include([m4/ax_opencl.m4]) 1269 m4_include([m4/ax_prefix_config_h.m4]) 1270 m4_include([m4/ax_prog_perl_version.m4]) 1271 m4_include([m4/ax_pthread.m4]) 1272 m4_include([m4/ax_require_defined.m4]) 1273 m4_include([m4/cxx_have_std_libs.m4]) 1274 m4_include([m4/framework.m4]) 1275 m4_include([m4/ld-version-script.m4]) 1276 m4_include([m4/libtool.m4]) 1277 m4_include([m4/ltoptions.m4]) 1278 m4_include([m4/ltsugar.m4]) 1279 m4_include([m4/ltversion.m4]) 1280 m4_include([m4/lt~obsolete.m4]) 1281 m4_include([m4/pkg.m4]) 1282
