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However 'strip' might not be the right 1139# tool to use in cross-compilation environments, therefore Automake 1140# will honor the 'STRIP' environment variable to overrule this program. 1141dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. 1142if test "$cross_compiling" != no; then 1143 AC_CHECK_TOOL([STRIP], [strip], :) 1144fi 1145INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" 1146AC_SUBST([INSTALL_STRIP_PROGRAM])]) 1147 1148# Copyright (C) 2006-2017 Free Software Foundation, Inc. 1149# 1150# This file is free software; the Free Software Foundation 1151# gives unlimited permission to copy and/or distribute it, 1152# with or without modifications, as long as this notice is preserved. 1153 1154# _AM_SUBST_NOTMAKE(VARIABLE) 1155# --------------------------- 1156# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. 1157# This macro is traced by Automake. 1158AC_DEFUN([_AM_SUBST_NOTMAKE]) 1159 1160# AM_SUBST_NOTMAKE(VARIABLE) 1161# -------------------------- 1162# Public sister of _AM_SUBST_NOTMAKE. 1163AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) 1164 1165# Check how to create a tarball. -*- Autoconf -*- 1166 1167# Copyright (C) 2004-2017 Free Software Foundation, Inc. 1168# 1169# This file is free software; the Free Software Foundation 1170# gives unlimited permission to copy and/or distribute it, 1171# with or without modifications, as long as this notice is preserved. 1172 1173# _AM_PROG_TAR(FORMAT) 1174# -------------------- 1175# Check how to create a tarball in format FORMAT. 1176# FORMAT should be one of 'v7', 'ustar', or 'pax'. 1177# 1178# Substitute a variable $(am__tar) that is a command 1179# writing to stdout a FORMAT-tarball containing the directory 1180# $tardir. 1181# tardir=directory && $(am__tar) > result.tar 1182# 1183# Substitute a variable $(am__untar) that extract such 1184# a tarball read from stdin. 1185# $(am__untar) < result.tar 1186# 1187AC_DEFUN([_AM_PROG_TAR], 1188[# Always define AMTAR for backward compatibility. Yes, it's still used 1189# in the wild :-( We should find a proper way to deprecate it ... 1190AC_SUBST([AMTAR], ['$${TAR-tar}']) 1191 1192# We'll loop over all known methods to create a tar archive until one works. 1193_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 1194 1195m4_if([$1], [v7], 1196 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 1197 1198 [m4_case([$1], 1199 [ustar], 1200 [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 1201 # There is notably a 21 bits limit for the UID and the GID. In fact, 1202 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 1203 # and bug#13588). 1204 am_max_uid=2097151 # 2^21 - 1 1205 am_max_gid=$am_max_uid 1206 # The $UID and $GID variables are not portable, so we need to resort 1207 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 1208 # below are definitely unexpected, so allow the users to see them 1209 # (that is, avoid stderr redirection). 1210 am_uid=`id -u || echo unknown` 1211 am_gid=`id -g || echo unknown` 1212 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1213 if test $am_uid -le $am_max_uid; then 1214 AC_MSG_RESULT([yes]) 1215 else 1216 AC_MSG_RESULT([no]) 1217 _am_tools=none 1218 fi 1219 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1220 if test $am_gid -le $am_max_gid; then 1221 AC_MSG_RESULT([yes]) 1222 else 1223 AC_MSG_RESULT([no]) 1224 _am_tools=none 1225 fi], 1226 1227 [pax], 1228 [], 1229 1230 [m4_fatal([Unknown tar format])]) 1231 1232 AC_MSG_CHECKING([how to create a $1 tar archive]) 1233 1234 # Go ahead even if we have the value already cached. We do so because we 1235 # need to set the values for the 'am__tar' and 'am__untar' variables. 1236 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1237 1238 for _am_tool in $_am_tools; do 1239 case $_am_tool in 1240 gnutar) 1241 for _am_tar in tar gnutar gtar; do 1242 AM_RUN_LOG([$_am_tar --version]) && break 1243 done 1244 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1245 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1246 am__untar="$_am_tar -xf -" 1247 ;; 1248 plaintar) 1249 # Must skip GNU tar: if it does not support --format= it doesn't create 1250 # ustar tarball either. 1251 (tar --version) >/dev/null 2>&1 && continue 1252 am__tar='tar chf - "$$tardir"' 1253 am__tar_='tar chf - "$tardir"' 1254 am__untar='tar xf -' 1255 ;; 1256 pax) 1257 am__tar='pax -L -x $1 -w "$$tardir"' 1258 am__tar_='pax -L -x $1 -w "$tardir"' 1259 am__untar='pax -r' 1260 ;; 1261 cpio) 1262 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1263 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1264 am__untar='cpio -i -H $1 -d' 1265 ;; 1266 none) 1267 am__tar=false 1268 am__tar_=false 1269 am__untar=false 1270 ;; 1271 esac 1272 1273 # If the value was cached, stop now. We just wanted to have am__tar 1274 # and am__untar set. 1275 test -n "${am_cv_prog_tar_$1}" && break 1276 1277 # tar/untar a dummy directory, and stop if the command works. 1278 rm -rf conftest.dir 1279 mkdir conftest.dir 1280 echo GrepMe > conftest.dir/file 1281 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1282 rm -rf conftest.dir 1283 if test -s conftest.tar; then 1284 AM_RUN_LOG([$am__untar <conftest.tar]) 1285 AM_RUN_LOG([cat conftest.dir/file]) 1286 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1287 fi 1288 done 1289 rm -rf conftest.dir 1290 1291 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1292 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1293 1294AC_SUBST([am__tar]) 1295AC_SUBST([am__untar]) 1296]) # _AM_PROG_TAR 1297 1298m4_include([m4/ax_append_compile_flags.m4]) 1299m4_include([m4/ax_append_flag.m4]) 1300m4_include([m4/ax_check_compile_flag.m4]) 1301m4_include([m4/ax_check_define.m4]) 1302m4_include([m4/ax_cxx_compile_stdcxx.m4]) 1303m4_include([m4/ax_pthread.m4]) 1304m4_include([m4/ax_require_defined.m4]) 1305