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However 'strip' might not be the right 1077# tool to use in cross-compilation environments, therefore Automake 1078# will honor the 'STRIP' environment variable to overrule this program. 1079dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. 1080if test "$cross_compiling" != no; then 1081 AC_CHECK_TOOL([STRIP], [strip], :) 1082fi 1083INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" 1084AC_SUBST([INSTALL_STRIP_PROGRAM])]) 1085 1086# Copyright (C) 2006-2018 Free Software Foundation, Inc. 1087# 1088# This file is free software; the Free Software Foundation 1089# gives unlimited permission to copy and/or distribute it, 1090# with or without modifications, as long as this notice is preserved. 1091 1092# _AM_SUBST_NOTMAKE(VARIABLE) 1093# --------------------------- 1094# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. 1095# This macro is traced by Automake. 1096AC_DEFUN([_AM_SUBST_NOTMAKE]) 1097 1098# AM_SUBST_NOTMAKE(VARIABLE) 1099# -------------------------- 1100# Public sister of _AM_SUBST_NOTMAKE. 1101AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) 1102 1103# Check how to create a tarball. -*- Autoconf -*- 1104 1105# Copyright (C) 2004-2018 Free Software Foundation, Inc. 1106# 1107# This file is free software; the Free Software Foundation 1108# gives unlimited permission to copy and/or distribute it, 1109# with or without modifications, as long as this notice is preserved. 1110 1111# _AM_PROG_TAR(FORMAT) 1112# -------------------- 1113# Check how to create a tarball in format FORMAT. 1114# FORMAT should be one of 'v7', 'ustar', or 'pax'. 1115# 1116# Substitute a variable $(am__tar) that is a command 1117# writing to stdout a FORMAT-tarball containing the directory 1118# $tardir. 1119# tardir=directory && $(am__tar) > result.tar 1120# 1121# Substitute a variable $(am__untar) that extract such 1122# a tarball read from stdin. 1123# $(am__untar) < result.tar 1124# 1125AC_DEFUN([_AM_PROG_TAR], 1126[# Always define AMTAR for backward compatibility. Yes, it's still used 1127# in the wild :-( We should find a proper way to deprecate it ... 1128AC_SUBST([AMTAR], ['$${TAR-tar}']) 1129 1130# We'll loop over all known methods to create a tar archive until one works. 1131_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 1132 1133m4_if([$1], [v7], 1134 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 1135 1136 [m4_case([$1], 1137 [ustar], 1138 [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 1139 # There is notably a 21 bits limit for the UID and the GID. In fact, 1140 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 1141 # and bug#13588). 1142 am_max_uid=2097151 # 2^21 - 1 1143 am_max_gid=$am_max_uid 1144 # The $UID and $GID variables are not portable, so we need to resort 1145 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 1146 # below are definitely unexpected, so allow the users to see them 1147 # (that is, avoid stderr redirection). 1148 am_uid=`id -u || echo unknown` 1149 am_gid=`id -g || echo unknown` 1150 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1151 if test $am_uid -le $am_max_uid; then 1152 AC_MSG_RESULT([yes]) 1153 else 1154 AC_MSG_RESULT([no]) 1155 _am_tools=none 1156 fi 1157 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1158 if test $am_gid -le $am_max_gid; then 1159 AC_MSG_RESULT([yes]) 1160 else 1161 AC_MSG_RESULT([no]) 1162 _am_tools=none 1163 fi], 1164 1165 [pax], 1166 [], 1167 1168 [m4_fatal([Unknown tar format])]) 1169 1170 AC_MSG_CHECKING([how to create a $1 tar archive]) 1171 1172 # Go ahead even if we have the value already cached. We do so because we 1173 # need to set the values for the 'am__tar' and 'am__untar' variables. 1174 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1175 1176 for _am_tool in $_am_tools; do 1177 case $_am_tool in 1178 gnutar) 1179 for _am_tar in tar gnutar gtar; do 1180 AM_RUN_LOG([$_am_tar --version]) && break 1181 done 1182 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1183 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1184 am__untar="$_am_tar -xf -" 1185 ;; 1186 plaintar) 1187 # Must skip GNU tar: if it does not support --format= it doesn't create 1188 # ustar tarball either. 1189 (tar --version) >/dev/null 2>&1 && continue 1190 am__tar='tar chf - "$$tardir"' 1191 am__tar_='tar chf - "$tardir"' 1192 am__untar='tar xf -' 1193 ;; 1194 pax) 1195 am__tar='pax -L -x $1 -w "$$tardir"' 1196 am__tar_='pax -L -x $1 -w "$tardir"' 1197 am__untar='pax -r' 1198 ;; 1199 cpio) 1200 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1201 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1202 am__untar='cpio -i -H $1 -d' 1203 ;; 1204 none) 1205 am__tar=false 1206 am__tar_=false 1207 am__untar=false 1208 ;; 1209 esac 1210 1211 # If the value was cached, stop now. We just wanted to have am__tar 1212 # and am__untar set. 1213 test -n "${am_cv_prog_tar_$1}" && break 1214 1215 # tar/untar a dummy directory, and stop if the command works. 1216 rm -rf conftest.dir 1217 mkdir conftest.dir 1218 echo GrepMe > conftest.dir/file 1219 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1220 rm -rf conftest.dir 1221 if test -s conftest.tar; then 1222 AM_RUN_LOG([$am__untar <conftest.tar]) 1223 AM_RUN_LOG([cat conftest.dir/file]) 1224 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1225 fi 1226 done 1227 rm -rf conftest.dir 1228 1229 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1230 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1231 1232AC_SUBST([am__tar]) 1233AC_SUBST([am__untar]) 1234]) # _AM_PROG_TAR 1235 1236m4_include([acinclude/libtool.m4]) 1237m4_include([acinclude/ltoptions.m4]) 1238m4_include([acinclude/ltsugar.m4]) 1239m4_include([acinclude/ltversion.m4]) 1240m4_include([acinclude/lt~obsolete.m4]) 1241m4_include([acinclude/pkg.m4]) 1242m4_include([acinclude/sdl2.m4]) 1243