1# generated automatically by aclocal 1.15.1 -*- Autoconf -*- 2 3# Copyright (C) 1996-2017 Free Software Foundation, Inc. 4 5# This file is free software; the Free Software Foundation 6# gives unlimited permission to copy and/or distribute it, 7# with or without modifications, as long as this notice is preserved. 8 9# This program is distributed in the hope that it will be useful, 10# but WITHOUT ANY WARRANTY, to the extent permitted by law; without 11# even the implied warranty of MERCHANTABILITY or FITNESS FOR A 12# PARTICULAR PURPOSE. 13 14m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) 15m4_ifndef([AC_AUTOCONF_VERSION], 16 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl 17m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, 18[m4_warning([this file was generated for autoconf 2.69. 19You have another version of autoconf. It may work, but is not guaranteed to. 20If you have problems, you may need to regenerate the build system entirely. 21To do so, use the procedure documented by the package, typically 'autoreconf'.])]) 22 23dnl pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- 24dnl serial 11 (pkg-config-0.29) 25dnl 26dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>. 27dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com> 28dnl 29dnl This program is free software; you can redistribute it and/or modify 30dnl it under the terms of the GNU General Public License as published by 31dnl the Free Software Foundation; either version 2 of the License, or 32dnl (at your option) any later version. 33dnl 34dnl This program is distributed in the hope that it will be useful, but 35dnl WITHOUT ANY WARRANTY; without even the implied warranty of 36dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 37dnl General Public License for more details. 38dnl 39dnl You should have received a copy of the GNU General Public License 40dnl along with this program; if not, write to the Free Software 41dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 42dnl 02111-1307, USA. 43dnl 44dnl As a special exception to the GNU General Public License, if you 45dnl distribute this file as part of a program that contains a 46dnl configuration script generated by Autoconf, you may include it under 47dnl the same distribution terms that you use for the rest of that 48dnl program. 49 50dnl PKG_PREREQ(MIN-VERSION) 51dnl ----------------------- 52dnl Since: 0.29 53dnl 54dnl Verify that the version of the pkg-config macros are at least 55dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's 56dnl installed version of pkg-config, this checks the developer's version 57dnl of pkg.m4 when generating configure. 58dnl 59dnl To ensure that this macro is defined, also add: 60dnl m4_ifndef([PKG_PREREQ], 61dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) 62dnl 63dnl See the "Since" comment for each macro you use to see what version 64dnl of the macros you require. 65m4_defun([PKG_PREREQ], 66[m4_define([PKG_MACROS_VERSION], [0.29]) 67m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, 68 [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) 69])dnl PKG_PREREQ 70 71dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) 72dnl ---------------------------------- 73dnl Since: 0.16 74dnl 75dnl Search for the pkg-config tool and set the PKG_CONFIG variable to 76dnl first found in the path. Checks that the version of pkg-config found 77dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is 78dnl used since that's the first version where most current features of 79dnl pkg-config existed. 80AC_DEFUN([PKG_PROG_PKG_CONFIG], 81[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) 82m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) 83m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) 84AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) 85AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) 86AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) 87 88if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then 89 AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) 90fi 91if test -n "$PKG_CONFIG"; then 92 _pkg_min_version=m4_default([$1], [0.9.0]) 93 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) 94 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then 95 AC_MSG_RESULT([yes]) 96 else 97 AC_MSG_RESULT([no]) 98 PKG_CONFIG="" 99 fi 100fi[]dnl 101])dnl PKG_PROG_PKG_CONFIG 102 103dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 104dnl ------------------------------------------------------------------- 105dnl Since: 0.18 106dnl 107dnl Check to see whether a particular set of modules exists. Similar to 108dnl PKG_CHECK_MODULES(), but does not set variables or print errors. 109dnl 110dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 111dnl only at the first occurence in configure.ac, so if the first place 112dnl it's called might be skipped (such as if it is within an "if", you 113dnl have to call PKG_CHECK_EXISTS manually 114AC_DEFUN([PKG_CHECK_EXISTS], 115[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 116if test -n "$PKG_CONFIG" && \ 117 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then 118 m4_default([$2], [:]) 119m4_ifvaln([$3], [else 120 $3])dnl 121fi]) 122 123dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) 124dnl --------------------------------------------- 125dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting 126dnl pkg_failed based on the result. 127m4_define([_PKG_CONFIG], 128[if test -n "$$1"; then 129 pkg_cv_[]$1="$$1" 130 elif test -n "$PKG_CONFIG"; then 131 PKG_CHECK_EXISTS([$3], 132 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` 133 test "x$?" != "x0" && pkg_failed=yes ], 134 [pkg_failed=yes]) 135 else 136 pkg_failed=untried 137fi[]dnl 138])dnl _PKG_CONFIG 139 140dnl _PKG_SHORT_ERRORS_SUPPORTED 141dnl --------------------------- 142dnl Internal check to see if pkg-config supports short errors. 143AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], 144[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 145if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then 146 _pkg_short_errors_supported=yes 147else 148 _pkg_short_errors_supported=no 149fi[]dnl 150])dnl _PKG_SHORT_ERRORS_SUPPORTED 151 152 153dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 154dnl [ACTION-IF-NOT-FOUND]) 155dnl -------------------------------------------------------------- 156dnl Since: 0.4.0 157dnl 158dnl Note that if there is a possibility the first call to 159dnl PKG_CHECK_MODULES might not happen, you should be sure to include an 160dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac 161AC_DEFUN([PKG_CHECK_MODULES], 162[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 163AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl 164AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl 165 166pkg_failed=no 167AC_MSG_CHECKING([for $1]) 168 169_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) 170_PKG_CONFIG([$1][_LIBS], [libs], [$2]) 171 172m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS 173and $1[]_LIBS to avoid the need to call pkg-config. 174See the pkg-config man page for more details.]) 175 176if test $pkg_failed = yes; then 177 AC_MSG_RESULT([no]) 178 _PKG_SHORT_ERRORS_SUPPORTED 179 if test $_pkg_short_errors_supported = yes; then 180 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` 181 else 182 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` 183 fi 184 # Put the nasty error message in config.log where it belongs 185 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD 186 187 m4_default([$4], [AC_MSG_ERROR( 188[Package requirements ($2) were not met: 189 190$$1_PKG_ERRORS 191 192Consider adjusting the PKG_CONFIG_PATH environment variable if you 193installed software in a non-standard prefix. 194 195_PKG_TEXT])[]dnl 196 ]) 197elif test $pkg_failed = untried; then 198 AC_MSG_RESULT([no]) 199 m4_default([$4], [AC_MSG_FAILURE( 200[The pkg-config script could not be found or is too old. Make sure it 201is in your PATH or set the PKG_CONFIG environment variable to the full 202path to pkg-config. 203 204_PKG_TEXT 205 206To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl 207 ]) 208else 209 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS 210 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS 211 AC_MSG_RESULT([yes]) 212 $3 213fi[]dnl 214])dnl PKG_CHECK_MODULES 215 216 217dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 218dnl [ACTION-IF-NOT-FOUND]) 219dnl --------------------------------------------------------------------- 220dnl Since: 0.29 221dnl 222dnl Checks for existence of MODULES and gathers its build flags with 223dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags 224dnl and VARIABLE-PREFIX_LIBS from --libs. 225dnl 226dnl Note that if there is a possibility the first call to 227dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to 228dnl include an explicit call to PKG_PROG_PKG_CONFIG in your 229dnl configure.ac. 230AC_DEFUN([PKG_CHECK_MODULES_STATIC], 231[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 232_save_PKG_CONFIG=$PKG_CONFIG 233PKG_CONFIG="$PKG_CONFIG --static" 234PKG_CHECK_MODULES($@) 235PKG_CONFIG=$_save_PKG_CONFIG[]dnl 236])dnl PKG_CHECK_MODULES_STATIC 237 238 239dnl PKG_INSTALLDIR([DIRECTORY]) 240dnl ------------------------- 241dnl Since: 0.27 242dnl 243dnl Substitutes the variable pkgconfigdir as the location where a module 244dnl should install pkg-config .pc files. By default the directory is 245dnl $libdir/pkgconfig, but the default can be changed by passing 246dnl DIRECTORY. The user can override through the --with-pkgconfigdir 247dnl parameter. 248AC_DEFUN([PKG_INSTALLDIR], 249[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) 250m4_pushdef([pkg_description], 251 [pkg-config installation directory @<:@]pkg_default[@:>@]) 252AC_ARG_WITH([pkgconfigdir], 253 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, 254 [with_pkgconfigdir=]pkg_default) 255AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) 256m4_popdef([pkg_default]) 257m4_popdef([pkg_description]) 258])dnl PKG_INSTALLDIR 259 260 261dnl PKG_NOARCH_INSTALLDIR([DIRECTORY]) 262dnl -------------------------------- 263dnl Since: 0.27 264dnl 265dnl Substitutes the variable noarch_pkgconfigdir as the location where a 266dnl module should install arch-independent pkg-config .pc files. By 267dnl default the directory is $datadir/pkgconfig, but the default can be 268dnl changed by passing DIRECTORY. The user can override through the 269dnl --with-noarch-pkgconfigdir parameter. 270AC_DEFUN([PKG_NOARCH_INSTALLDIR], 271[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) 272m4_pushdef([pkg_description], 273 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) 274AC_ARG_WITH([noarch-pkgconfigdir], 275 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, 276 [with_noarch_pkgconfigdir=]pkg_default) 277AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) 278m4_popdef([pkg_default]) 279m4_popdef([pkg_description]) 280])dnl PKG_NOARCH_INSTALLDIR 281 282 283dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, 284dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 285dnl ------------------------------------------- 286dnl Since: 0.28 287dnl 288dnl Retrieves the value of the pkg-config variable for the given module. 289AC_DEFUN([PKG_CHECK_VAR], 290[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 291AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl 292 293_PKG_CONFIG([$1], [variable="][$3]["], [$2]) 294AS_VAR_COPY([$1], [pkg_cv_][$1]) 295 296AS_VAR_IF([$1], [""], [$5], [$4])dnl 297])dnl PKG_CHECK_VAR 298 299# Copyright (C) 2002-2017 Free Software Foundation, Inc. 300# 301# This file is free software; the Free Software Foundation 302# gives unlimited permission to copy and/or distribute it, 303# with or without modifications, as long as this notice is preserved. 304 305# AM_AUTOMAKE_VERSION(VERSION) 306# ---------------------------- 307# Automake X.Y traces this macro to ensure aclocal.m4 has been 308# generated from the m4 files accompanying Automake X.Y. 309# (This private macro should not be called outside this file.) 310AC_DEFUN([AM_AUTOMAKE_VERSION], 311[am__api_version='1.15' 312dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to 313dnl require some minimum version. 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Make sure there is not a broken 1155 alias in your environment]) 1156 fi 1157 if test "$[2]" = conftest.file || test $am_try -eq 2; then 1158 break 1159 fi 1160 # Just in case. 1161 sleep 1 1162 am_has_slept=yes 1163 done 1164 test "$[2]" = conftest.file 1165 ) 1166then 1167 # Ok. 1168 : 1169else 1170 AC_MSG_ERROR([newly created file is older than distributed files! 1171Check your system clock]) 1172fi 1173AC_MSG_RESULT([yes]) 1174# If we didn't sleep, we still need to ensure time stamps of config.status and 1175# generated files are strictly newer. 1176am_sleep_pid= 1177if grep 'slept: no' conftest.file >/dev/null 2>&1; then 1178 ( sleep 1 ) & 1179 am_sleep_pid=$! 1180fi 1181AC_CONFIG_COMMANDS_PRE( 1182 [AC_MSG_CHECKING([that generated files are newer than configure]) 1183 if test -n "$am_sleep_pid"; then 1184 # Hide warnings about reused PIDs. 1185 wait $am_sleep_pid 2>/dev/null 1186 fi 1187 AC_MSG_RESULT([done])]) 1188rm -f conftest.file 1189]) 1190 1191# Copyright (C) 2009-2017 Free Software Foundation, Inc. 1192# 1193# This file is free software; the Free Software Foundation 1194# gives unlimited permission to copy and/or distribute it, 1195# with or without modifications, as long as this notice is preserved. 1196 1197# AM_SILENT_RULES([DEFAULT]) 1198# -------------------------- 1199# Enable less verbose build rules; with the default set to DEFAULT 1200# ("yes" being less verbose, "no" or empty being verbose). 1201AC_DEFUN([AM_SILENT_RULES], 1202[AC_ARG_ENABLE([silent-rules], [dnl 1203AS_HELP_STRING( 1204 [--enable-silent-rules], 1205 [less verbose build output (undo: "make V=1")]) 1206AS_HELP_STRING( 1207 [--disable-silent-rules], 1208 [verbose build output (undo: "make V=0")])dnl 1209]) 1210case $enable_silent_rules in @%:@ ((( 1211 yes) AM_DEFAULT_VERBOSITY=0;; 1212 no) AM_DEFAULT_VERBOSITY=1;; 1213 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);; 1214esac 1215dnl 1216dnl A few 'make' implementations (e.g., NonStop OS and NextStep) 1217dnl do not support nested variable expansions. 1218dnl See automake bug#9928 and bug#10237. 1219am_make=${MAKE-make} 1220AC_CACHE_CHECK([whether $am_make supports nested variables], 1221 [am_cv_make_support_nested_variables], 1222 [if AS_ECHO([['TRUE=$(BAR$(V)) 1223BAR0=false 1224BAR1=true 1225V=1 1226am__doit: 1227 @$(TRUE) 1228.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then 1229 am_cv_make_support_nested_variables=yes 1230else 1231 am_cv_make_support_nested_variables=no 1232fi]) 1233if test $am_cv_make_support_nested_variables = yes; then 1234 dnl Using '$V' instead of '$(V)' breaks IRIX make. 1235 AM_V='$(V)' 1236 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' 1237else 1238 AM_V=$AM_DEFAULT_VERBOSITY 1239 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY 1240fi 1241AC_SUBST([AM_V])dnl 1242AM_SUBST_NOTMAKE([AM_V])dnl 1243AC_SUBST([AM_DEFAULT_V])dnl 1244AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl 1245AC_SUBST([AM_DEFAULT_VERBOSITY])dnl 1246AM_BACKSLASH='\' 1247AC_SUBST([AM_BACKSLASH])dnl 1248_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl 1249]) 1250 1251# Copyright (C) 2001-2017 Free Software Foundation, Inc. 1252# 1253# This file is free software; the Free Software Foundation 1254# gives unlimited permission to copy and/or distribute it, 1255# with or without modifications, as long as this notice is preserved. 1256 1257# AM_PROG_INSTALL_STRIP 1258# --------------------- 1259# One issue with vendor 'install' (even GNU) is that you can't 1260# specify the program used to strip binaries. This is especially 1261# annoying in cross-compiling environments, where the build's strip 1262# is unlikely to handle the host's binaries. 1263# Fortunately install-sh will honor a STRIPPROG variable, so we 1264# always use install-sh in "make install-strip", and initialize 1265# STRIPPROG with the value of the STRIP variable (set by the user). 1266AC_DEFUN([AM_PROG_INSTALL_STRIP], 1267[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl 1268# Installed binaries are usually stripped using 'strip' when the user 1269# run "make install-strip". However 'strip' might not be the right 1270# tool to use in cross-compilation environments, therefore Automake 1271# will honor the 'STRIP' environment variable to overrule this program. 1272dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. 1273if test "$cross_compiling" != no; then 1274 AC_CHECK_TOOL([STRIP], [strip], :) 1275fi 1276INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" 1277AC_SUBST([INSTALL_STRIP_PROGRAM])]) 1278 1279# Copyright (C) 2006-2017 Free Software Foundation, Inc. 1280# 1281# This file is free software; the Free Software Foundation 1282# gives unlimited permission to copy and/or distribute it, 1283# with or without modifications, as long as this notice is preserved. 1284 1285# _AM_SUBST_NOTMAKE(VARIABLE) 1286# --------------------------- 1287# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. 1288# This macro is traced by Automake. 1289AC_DEFUN([_AM_SUBST_NOTMAKE]) 1290 1291# AM_SUBST_NOTMAKE(VARIABLE) 1292# -------------------------- 1293# Public sister of _AM_SUBST_NOTMAKE. 1294AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) 1295 1296# Check how to create a tarball. -*- Autoconf -*- 1297 1298# Copyright (C) 2004-2017 Free Software Foundation, Inc. 1299# 1300# This file is free software; the Free Software Foundation 1301# gives unlimited permission to copy and/or distribute it, 1302# with or without modifications, as long as this notice is preserved. 1303 1304# _AM_PROG_TAR(FORMAT) 1305# -------------------- 1306# Check how to create a tarball in format FORMAT. 1307# FORMAT should be one of 'v7', 'ustar', or 'pax'. 1308# 1309# Substitute a variable $(am__tar) that is a command 1310# writing to stdout a FORMAT-tarball containing the directory 1311# $tardir. 1312# tardir=directory && $(am__tar) > result.tar 1313# 1314# Substitute a variable $(am__untar) that extract such 1315# a tarball read from stdin. 1316# $(am__untar) < result.tar 1317# 1318AC_DEFUN([_AM_PROG_TAR], 1319[# Always define AMTAR for backward compatibility. Yes, it's still used 1320# in the wild :-( We should find a proper way to deprecate it ... 1321AC_SUBST([AMTAR], ['$${TAR-tar}']) 1322 1323# We'll loop over all known methods to create a tar archive until one works. 1324_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 1325 1326m4_if([$1], [v7], 1327 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 1328 1329 [m4_case([$1], 1330 [ustar], 1331 [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 1332 # There is notably a 21 bits limit for the UID and the GID. In fact, 1333 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 1334 # and bug#13588). 1335 am_max_uid=2097151 # 2^21 - 1 1336 am_max_gid=$am_max_uid 1337 # The $UID and $GID variables are not portable, so we need to resort 1338 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 1339 # below are definitely unexpected, so allow the users to see them 1340 # (that is, avoid stderr redirection). 1341 am_uid=`id -u || echo unknown` 1342 am_gid=`id -g || echo unknown` 1343 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1344 if test $am_uid -le $am_max_uid; then 1345 AC_MSG_RESULT([yes]) 1346 else 1347 AC_MSG_RESULT([no]) 1348 _am_tools=none 1349 fi 1350 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1351 if test $am_gid -le $am_max_gid; then 1352 AC_MSG_RESULT([yes]) 1353 else 1354 AC_MSG_RESULT([no]) 1355 _am_tools=none 1356 fi], 1357 1358 [pax], 1359 [], 1360 1361 [m4_fatal([Unknown tar format])]) 1362 1363 AC_MSG_CHECKING([how to create a $1 tar archive]) 1364 1365 # Go ahead even if we have the value already cached. We do so because we 1366 # need to set the values for the 'am__tar' and 'am__untar' variables. 1367 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1368 1369 for _am_tool in $_am_tools; do 1370 case $_am_tool in 1371 gnutar) 1372 for _am_tar in tar gnutar gtar; do 1373 AM_RUN_LOG([$_am_tar --version]) && break 1374 done 1375 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1376 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1377 am__untar="$_am_tar -xf -" 1378 ;; 1379 plaintar) 1380 # Must skip GNU tar: if it does not support --format= it doesn't create 1381 # ustar tarball either. 1382 (tar --version) >/dev/null 2>&1 && continue 1383 am__tar='tar chf - "$$tardir"' 1384 am__tar_='tar chf - "$tardir"' 1385 am__untar='tar xf -' 1386 ;; 1387 pax) 1388 am__tar='pax -L -x $1 -w "$$tardir"' 1389 am__tar_='pax -L -x $1 -w "$tardir"' 1390 am__untar='pax -r' 1391 ;; 1392 cpio) 1393 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1394 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1395 am__untar='cpio -i -H $1 -d' 1396 ;; 1397 none) 1398 am__tar=false 1399 am__tar_=false 1400 am__untar=false 1401 ;; 1402 esac 1403 1404 # If the value was cached, stop now. We just wanted to have am__tar 1405 # and am__untar set. 1406 test -n "${am_cv_prog_tar_$1}" && break 1407 1408 # tar/untar a dummy directory, and stop if the command works. 1409 rm -rf conftest.dir 1410 mkdir conftest.dir 1411 echo GrepMe > conftest.dir/file 1412 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1413 rm -rf conftest.dir 1414 if test -s conftest.tar; then 1415 AM_RUN_LOG([$am__untar <conftest.tar]) 1416 AM_RUN_LOG([cat conftest.dir/file]) 1417 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1418 fi 1419 done 1420 rm -rf conftest.dir 1421 1422 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1423 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1424 1425AC_SUBST([am__tar]) 1426AC_SUBST([am__untar]) 1427]) # _AM_PROG_TAR 1428 1429m4_include([m4/ac_define_dir.m4]) 1430m4_include([m4/libtool.m4]) 1431m4_include([m4/ltoptions.m4]) 1432m4_include([m4/ltsugar.m4]) 1433m4_include([m4/ltversion.m4]) 1434m4_include([m4/lt~obsolete.m4]) 1435