aclocal.m4 (62064B)
1 # generated automatically by aclocal 1.17 -*- Autoconf -*- 2 3 # Copyright (C) 1996-2024 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 14 m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) 15 m4_ifndef([AC_AUTOCONF_VERSION], 16 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl 17 m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.72],, 18 [m4_warning([this file was generated for autoconf 2.72. 19 You have another version of autoconf. It may work, but is not guaranteed to. 20 If you have problems, you may need to regenerate the build system entirely. 21 To do so, use the procedure documented by the package, typically 'autoreconf'.])]) 22 23 # pkg.m4 - Macros to locate and use pkg-config. -*- Autoconf -*- 24 # serial 12 (pkg-config-0.29.2) 25 26 dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>. 27 dnl Copyright © 2012-2015 Dan Nicholson <dbn.lists@gmail.com> 28 dnl 29 dnl This program is free software; you can redistribute it and/or modify 30 dnl it under the terms of the GNU General Public License as published by 31 dnl the Free Software Foundation; either version 2 of the License, or 32 dnl (at your option) any later version. 33 dnl 34 dnl This program is distributed in the hope that it will be useful, but 35 dnl WITHOUT ANY WARRANTY; without even the implied warranty of 36 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 37 dnl General Public License for more details. 38 dnl 39 dnl You should have received a copy of the GNU General Public License 40 dnl along with this program; if not, write to the Free Software 41 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 42 dnl 02111-1307, USA. 43 dnl 44 dnl As a special exception to the GNU General Public License, if you 45 dnl distribute this file as part of a program that contains a 46 dnl configuration script generated by Autoconf, you may include it under 47 dnl the same distribution terms that you use for the rest of that 48 dnl program. 49 50 dnl PKG_PREREQ(MIN-VERSION) 51 dnl ----------------------- 52 dnl Since: 0.29 53 dnl 54 dnl Verify that the version of the pkg-config macros are at least 55 dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's 56 dnl installed version of pkg-config, this checks the developer's version 57 dnl of pkg.m4 when generating configure. 58 dnl 59 dnl To ensure that this macro is defined, also add: 60 dnl m4_ifndef([PKG_PREREQ], 61 dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) 62 dnl 63 dnl See the "Since" comment for each macro you use to see what version 64 dnl of the macros you require. 65 m4_defun([PKG_PREREQ], 66 [m4_define([PKG_MACROS_VERSION], [0.29.2]) 67 m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, 68 [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) 69 ])dnl PKG_PREREQ 70 71 dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) 72 dnl ---------------------------------- 73 dnl Since: 0.16 74 dnl 75 dnl Search for the pkg-config tool and set the PKG_CONFIG variable to 76 dnl first found in the path. Checks that the version of pkg-config found 77 dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is 78 dnl used since that's the first version where most current features of 79 dnl pkg-config existed. 80 AC_DEFUN([PKG_PROG_PKG_CONFIG], 81 [m4_pattern_forbid([^_?PKG_[A-Z_]+$]) 82 m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) 83 m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) 84 AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) 85 AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) 86 AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) 87 88 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then 89 AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) 90 fi 91 if test -n "$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 $_pkg_min_version; then 95 AC_MSG_RESULT([yes]) 96 else 97 AC_MSG_RESULT([no]) 98 PKG_CONFIG="" 99 fi 100 fi[]dnl 101 ])dnl PKG_PROG_PKG_CONFIG 102 103 dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 104 dnl ------------------------------------------------------------------- 105 dnl Since: 0.18 106 dnl 107 dnl Check to see whether a particular set of modules exists. Similar to 108 dnl PKG_CHECK_MODULES(), but does not set variables or print errors. 109 dnl 110 dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 111 dnl only at the first occurrence in configure.ac, so if the first place 112 dnl it's called might be skipped (such as if it is within an "if", you 113 dnl have to call PKG_CHECK_EXISTS manually 114 AC_DEFUN([PKG_CHECK_EXISTS], 115 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 116 if test -n "$PKG_CONFIG" && \ 117 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then 118 m4_default([$2], [:]) 119 m4_ifvaln([$3], [else 120 $3])dnl 121 fi]) 122 123 dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) 124 dnl --------------------------------------------- 125 dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting 126 dnl pkg_failed based on the result. 127 m4_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 137 fi[]dnl 138 ])dnl _PKG_CONFIG 139 140 dnl _PKG_SHORT_ERRORS_SUPPORTED 141 dnl --------------------------- 142 dnl Internal check to see if pkg-config supports short errors. 143 AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], 144 [AC_REQUIRE([PKG_PROG_PKG_CONFIG]) 145 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then 146 _pkg_short_errors_supported=yes 147 else 148 _pkg_short_errors_supported=no 149 fi[]dnl 150 ])dnl _PKG_SHORT_ERRORS_SUPPORTED 151 152 153 dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 154 dnl [ACTION-IF-NOT-FOUND]) 155 dnl -------------------------------------------------------------- 156 dnl Since: 0.4.0 157 dnl 158 dnl Note that if there is a possibility the first call to 159 dnl PKG_CHECK_MODULES might not happen, you should be sure to include an 160 dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac 161 AC_DEFUN([PKG_CHECK_MODULES], 162 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 163 AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl 164 AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl 165 166 pkg_failed=no 167 AC_MSG_CHECKING([for $2]) 168 169 _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) 170 _PKG_CONFIG([$1][_LIBS], [libs], [$2]) 171 172 m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS 173 and $1[]_LIBS to avoid the need to call pkg-config. 174 See the pkg-config man page for more details.]) 175 176 if 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 191 192 Consider adjusting the PKG_CONFIG_PATH environment variable if you 193 installed software in a non-standard prefix. 194 195 _PKG_TEXT])[]dnl 196 ]) 197 elif 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 201 is in your PATH or set the PKG_CONFIG environment variable to the full 202 path to pkg-config. 203 204 _PKG_TEXT 205 206 To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl 207 ]) 208 else 209 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS 210 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS 211 AC_MSG_RESULT([yes]) 212 $3 213 fi[]dnl 214 ])dnl PKG_CHECK_MODULES 215 216 217 dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], 218 dnl [ACTION-IF-NOT-FOUND]) 219 dnl --------------------------------------------------------------------- 220 dnl Since: 0.29 221 dnl 222 dnl Checks for existence of MODULES and gathers its build flags with 223 dnl static libraries enabled. Sets VARIABLE-PREFIX_CFLAGS from --cflags 224 dnl and VARIABLE-PREFIX_LIBS from --libs. 225 dnl 226 dnl Note that if there is a possibility the first call to 227 dnl PKG_CHECK_MODULES_STATIC might not happen, you should be sure to 228 dnl include an explicit call to PKG_PROG_PKG_CONFIG in your 229 dnl configure.ac. 230 AC_DEFUN([PKG_CHECK_MODULES_STATIC], 231 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 232 _save_PKG_CONFIG=$PKG_CONFIG 233 PKG_CONFIG="$PKG_CONFIG --static" 234 PKG_CHECK_MODULES($@) 235 PKG_CONFIG=$_save_PKG_CONFIG[]dnl 236 ])dnl PKG_CHECK_MODULES_STATIC 237 238 239 dnl PKG_INSTALLDIR([DIRECTORY]) 240 dnl ------------------------- 241 dnl Since: 0.27 242 dnl 243 dnl Substitutes the variable pkgconfigdir as the location where a module 244 dnl should install pkg-config .pc files. By default the directory is 245 dnl $libdir/pkgconfig, but the default can be changed by passing 246 dnl DIRECTORY. The user can override through the --with-pkgconfigdir 247 dnl parameter. 248 AC_DEFUN([PKG_INSTALLDIR], 249 [m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])]) 250 m4_pushdef([pkg_description], 251 [pkg-config installation directory @<:@]pkg_default[@:>@]) 252 AC_ARG_WITH([pkgconfigdir], 253 [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],, 254 [with_pkgconfigdir=]pkg_default) 255 AC_SUBST([pkgconfigdir], [$with_pkgconfigdir]) 256 m4_popdef([pkg_default]) 257 m4_popdef([pkg_description]) 258 ])dnl PKG_INSTALLDIR 259 260 261 dnl PKG_NOARCH_INSTALLDIR([DIRECTORY]) 262 dnl -------------------------------- 263 dnl Since: 0.27 264 dnl 265 dnl Substitutes the variable noarch_pkgconfigdir as the location where a 266 dnl module should install arch-independent pkg-config .pc files. By 267 dnl default the directory is $datadir/pkgconfig, but the default can be 268 dnl changed by passing DIRECTORY. The user can override through the 269 dnl --with-noarch-pkgconfigdir parameter. 270 AC_DEFUN([PKG_NOARCH_INSTALLDIR], 271 [m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])]) 272 m4_pushdef([pkg_description], 273 [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@]) 274 AC_ARG_WITH([noarch-pkgconfigdir], 275 [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],, 276 [with_noarch_pkgconfigdir=]pkg_default) 277 AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir]) 278 m4_popdef([pkg_default]) 279 m4_popdef([pkg_description]) 280 ])dnl PKG_NOARCH_INSTALLDIR 281 282 283 dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, 284 dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 285 dnl ------------------------------------------- 286 dnl Since: 0.28 287 dnl 288 dnl Retrieves the value of the pkg-config variable for the given module. 289 AC_DEFUN([PKG_CHECK_VAR], 290 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl 291 AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl 292 293 _PKG_CONFIG([$1], [variable="][$3]["], [$2]) 294 AS_VAR_COPY([$1], [pkg_cv_][$1]) 295 296 AS_VAR_IF([$1], [""], [$5], [$4])dnl 297 ])dnl PKG_CHECK_VAR 298 299 dnl PKG_WITH_MODULES(VARIABLE-PREFIX, MODULES, 300 dnl [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND], 301 dnl [DESCRIPTION], [DEFAULT]) 302 dnl ------------------------------------------ 303 dnl 304 dnl Prepare a "--with-" configure option using the lowercase 305 dnl [VARIABLE-PREFIX] name, merging the behaviour of AC_ARG_WITH and 306 dnl PKG_CHECK_MODULES in a single macro. 307 AC_DEFUN([PKG_WITH_MODULES], 308 [ 309 m4_pushdef([with_arg], m4_tolower([$1])) 310 311 m4_pushdef([description], 312 [m4_default([$5], [build with ]with_arg[ support])]) 313 314 m4_pushdef([def_arg], [m4_default([$6], [auto])]) 315 m4_pushdef([def_action_if_found], [AS_TR_SH([with_]with_arg)=yes]) 316 m4_pushdef([def_action_if_not_found], [AS_TR_SH([with_]with_arg)=no]) 317 318 m4_case(def_arg, 319 [yes],[m4_pushdef([with_without], [--without-]with_arg)], 320 [m4_pushdef([with_without],[--with-]with_arg)]) 321 322 AC_ARG_WITH(with_arg, 323 AS_HELP_STRING(with_without, description[ @<:@default=]def_arg[@:>@]),, 324 [AS_TR_SH([with_]with_arg)=def_arg]) 325 326 AS_CASE([$AS_TR_SH([with_]with_arg)], 327 [yes],[PKG_CHECK_MODULES([$1],[$2],$3,$4)], 328 [auto],[PKG_CHECK_MODULES([$1],[$2], 329 [m4_n([def_action_if_found]) $3], 330 [m4_n([def_action_if_not_found]) $4])]) 331 332 m4_popdef([with_arg]) 333 m4_popdef([description]) 334 m4_popdef([def_arg]) 335 336 ])dnl PKG_WITH_MODULES 337 338 dnl PKG_HAVE_WITH_MODULES(VARIABLE-PREFIX, MODULES, 339 dnl [DESCRIPTION], [DEFAULT]) 340 dnl ----------------------------------------------- 341 dnl 342 dnl Convenience macro to trigger AM_CONDITIONAL after PKG_WITH_MODULES 343 dnl check._[VARIABLE-PREFIX] is exported as make variable. 344 AC_DEFUN([PKG_HAVE_WITH_MODULES], 345 [ 346 PKG_WITH_MODULES([$1],[$2],,,[$3],[$4]) 347 348 AM_CONDITIONAL([HAVE_][$1], 349 [test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"]) 350 ])dnl PKG_HAVE_WITH_MODULES 351 352 dnl PKG_HAVE_DEFINE_WITH_MODULES(VARIABLE-PREFIX, MODULES, 353 dnl [DESCRIPTION], [DEFAULT]) 354 dnl ------------------------------------------------------ 355 dnl 356 dnl Convenience macro to run AM_CONDITIONAL and AC_DEFINE after 357 dnl PKG_WITH_MODULES check. HAVE_[VARIABLE-PREFIX] is exported as make 358 dnl and preprocessor variable. 359 AC_DEFUN([PKG_HAVE_DEFINE_WITH_MODULES], 360 [ 361 PKG_HAVE_WITH_MODULES([$1],[$2],[$3],[$4]) 362 363 AS_IF([test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"], 364 [AC_DEFINE([HAVE_][$1], 1, [Enable ]m4_tolower([$1])[ support])]) 365 ])dnl PKG_HAVE_DEFINE_WITH_MODULES 366 367 # Copyright (C) 2002-2024 Free Software Foundation, Inc. 368 # 369 # This file is free software; the Free Software Foundation 370 # gives unlimited permission to copy and/or distribute it, 371 # with or without modifications, as long as this notice is preserved. 372 373 # AM_AUTOMAKE_VERSION(VERSION) 374 # ---------------------------- 375 # Automake X.Y traces this macro to ensure aclocal.m4 has been 376 # generated from the m4 files accompanying Automake X.Y. 377 # (This private macro should not be called outside this file.) 378 AC_DEFUN([AM_AUTOMAKE_VERSION], 379 [am__api_version='1.17' 380 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to 381 dnl require some minimum version. Point them to the right macro. 382 m4_if([$1], [1.17], [], 383 [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl 384 ]) 385 386 # _AM_AUTOCONF_VERSION(VERSION) 387 # ----------------------------- 388 # aclocal traces this macro to find the Autoconf version. 389 # This is a private macro too. Using m4_define simplifies 390 # the logic in aclocal, which can simply ignore this definition. 391 m4_define([_AM_AUTOCONF_VERSION], []) 392 393 # AM_SET_CURRENT_AUTOMAKE_VERSION 394 # ------------------------------- 395 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced. 396 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE. 397 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], 398 [AM_AUTOMAKE_VERSION([1.17])dnl 399 m4_ifndef([AC_AUTOCONF_VERSION], 400 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl 401 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))]) 402 403 # AM_AUX_DIR_EXPAND -*- Autoconf -*- 404 405 # Copyright (C) 2001-2024 Free Software Foundation, Inc. 406 # 407 # This file is free software; the Free Software Foundation 408 # gives unlimited permission to copy and/or distribute it, 409 # with or without modifications, as long as this notice is preserved. 410 411 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets 412 # $ac_aux_dir to '$srcdir/foo'. In other projects, it is set to 413 # '$srcdir', '$srcdir/..', or '$srcdir/../..'. 414 # 415 # Of course, Automake must honor this variable whenever it calls a 416 # tool from the auxiliary directory. The problem is that $srcdir (and 417 # therefore $ac_aux_dir as well) can be either absolute or relative, 418 # depending on how configure is run. This is pretty annoying, since 419 # it makes $ac_aux_dir quite unusable in subdirectories: in the top 420 # source directory, any form will work fine, but in subdirectories a 421 # relative path needs to be adjusted first. 422 # 423 # $ac_aux_dir/missing 424 # fails when called from a subdirectory if $ac_aux_dir is relative 425 # $top_srcdir/$ac_aux_dir/missing 426 # fails if $ac_aux_dir is absolute, 427 # fails when called from a subdirectory in a VPATH build with 428 # a relative $ac_aux_dir 429 # 430 # The reason of the latter failure is that $top_srcdir and $ac_aux_dir 431 # are both prefixed by $srcdir. In an in-source build this is usually 432 # harmless because $srcdir is '.', but things will broke when you 433 # start a VPATH build or use an absolute $srcdir. 434 # 435 # So we could use something similar to $top_srcdir/$ac_aux_dir/missing, 436 # iff we strip the leading $srcdir from $ac_aux_dir. That would be: 437 # am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"` 438 # and then we would define $MISSING as 439 # MISSING="\${SHELL} $am_aux_dir/missing" 440 # This will work as long as MISSING is not called from configure, because 441 # unfortunately $(top_srcdir) has no meaning in configure. 442 # However there are other variables, like CC, which are often used in 443 # configure, and could therefore not use this "fixed" $ac_aux_dir. 444 # 445 # Another solution, used here, is to always expand $ac_aux_dir to an 446 # absolute PATH. The drawback is that using absolute paths prevent a 447 # configured tree to be moved without reconfiguration. 448 449 AC_DEFUN([AM_AUX_DIR_EXPAND], 450 [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl 451 # Expand $ac_aux_dir to an absolute path. 452 am_aux_dir=`cd "$ac_aux_dir" && pwd` 453 ]) 454 455 # AM_CONDITIONAL -*- Autoconf -*- 456 457 # Copyright (C) 1997-2024 Free Software Foundation, Inc. 458 # 459 # This file is free software; the Free Software Foundation 460 # gives unlimited permission to copy and/or distribute it, 461 # with or without modifications, as long as this notice is preserved. 462 463 # AM_CONDITIONAL(NAME, SHELL-CONDITION) 464 # ------------------------------------- 465 # Define a conditional. 466 AC_DEFUN([AM_CONDITIONAL], 467 [AC_PREREQ([2.52])dnl 468 m4_if([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], 469 [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl 470 AC_SUBST([$1_TRUE])dnl 471 AC_SUBST([$1_FALSE])dnl 472 _AM_SUBST_NOTMAKE([$1_TRUE])dnl 473 _AM_SUBST_NOTMAKE([$1_FALSE])dnl 474 m4_define([_AM_COND_VALUE_$1], [$2])dnl 475 if $2; then 476 $1_TRUE= 477 $1_FALSE='#' 478 else 479 $1_TRUE='#' 480 $1_FALSE= 481 fi 482 AC_CONFIG_COMMANDS_PRE( 483 [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then 484 AC_MSG_ERROR([[conditional "$1" was never defined. 485 Usually this means the macro was only invoked conditionally.]]) 486 fi])]) 487 488 # Copyright (C) 1999-2024 Free Software Foundation, Inc. 489 # 490 # This file is free software; the Free Software Foundation 491 # gives unlimited permission to copy and/or distribute it, 492 # with or without modifications, as long as this notice is preserved. 493 494 495 # There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be 496 # written in clear, in which case automake, when reading aclocal.m4, 497 # will think it sees a *use*, and therefore will trigger all it's 498 # C support machinery. Also note that it means that autoscan, seeing 499 # CC etc. in the Makefile, will ask for an AC_PROG_CC use... 500 501 502 # _AM_DEPENDENCIES(NAME) 503 # ---------------------- 504 # See how the compiler implements dependency checking. 505 # NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC". 506 # We try a few techniques and use that to set a single cache variable. 507 # 508 # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was 509 # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular 510 # dependency, and given that the user is not expected to run this macro, 511 # just rely on AC_PROG_CC. 512 AC_DEFUN([_AM_DEPENDENCIES], 513 [AC_REQUIRE([AM_SET_DEPDIR])dnl 514 AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl 515 AC_REQUIRE([AM_MAKE_INCLUDE])dnl 516 AC_REQUIRE([AM_DEP_TRACK])dnl 517 518 m4_if([$1], [CC], [depcc="$CC" am_compiler_list=], 519 [$1], [CXX], [depcc="$CXX" am_compiler_list=], 520 [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'], 521 [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'], 522 [$1], [UPC], [depcc="$UPC" am_compiler_list=], 523 [$1], [GCJ], [depcc="$GCJ" am_compiler_list='gcc3 gcc'], 524 [depcc="$$1" am_compiler_list=]) 525 526 AC_CACHE_CHECK([dependency style of $depcc], 527 [am_cv_$1_dependencies_compiler_type], 528 [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then 529 # We make a subdir and do the tests there. Otherwise we can end up 530 # making bogus files that we don't know about and never remove. For 531 # instance it was reported that on HP-UX the gcc test will end up 532 # making a dummy file named 'D' -- because '-MD' means "put the output 533 # in D". 534 rm -rf conftest.dir 535 mkdir conftest.dir 536 # Copy depcomp to subdir because otherwise we won't find it if we're 537 # using a relative directory. 538 cp "$am_depcomp" conftest.dir 539 cd conftest.dir 540 # We will build objects and dependencies in a subdirectory because 541 # it helps to detect inapplicable dependency modes. For instance 542 # both Tru64's cc and ICC support -MD to output dependencies as a 543 # side effect of compilation, but ICC will put the dependencies in 544 # the current directory while Tru64 will put them in the object 545 # directory. 546 mkdir sub 547 548 am_cv_$1_dependencies_compiler_type=none 549 if test "$am_compiler_list" = ""; then 550 am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp` 551 fi 552 am__universal=false 553 m4_case([$1], [CC], 554 [case " $depcc " in #( 555 *\ -arch\ *\ -arch\ *) am__universal=true ;; 556 esac], 557 [CXX], 558 [case " $depcc " in #( 559 *\ -arch\ *\ -arch\ *) am__universal=true ;; 560 esac]) 561 562 for depmode in $am_compiler_list; do 563 # Setup a source with many dependencies, because some compilers 564 # like to wrap large dependency lists on column 80 (with \), and 565 # we should not choose a depcomp mode which is confused by this. 566 # 567 # We need to recreate these files for each test, as the compiler may 568 # overwrite some of them when testing with obscure command lines. 569 # This happens at least with the AIX C compiler. 570 : > sub/conftest.c 571 for i in 1 2 3 4 5 6; do 572 echo '#include "conftst'$i'.h"' >> sub/conftest.c 573 # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with 574 # Solaris 10 /bin/sh. 575 echo '/* dummy */' > sub/conftst$i.h 576 done 577 echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf 578 579 # We check with '-c' and '-o' for the sake of the "dashmstdout" 580 # mode. 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(See below.) 1179 AC_DEFUN([_AM_FILESYSTEM_TIMESTAMP_RESOLUTION], [dnl 1180 AC_REQUIRE([_AM_SLEEP_FRACTIONAL_SECONDS]) 1181 AC_CACHE_CHECK([filesystem timestamp resolution], 1182 am_cv_filesystem_timestamp_resolution, [dnl 1183 # Default to the worst case. 1184 am_cv_filesystem_timestamp_resolution=2 1185 1186 # Only try to go finer than 1 sec if sleep can do it. 1187 # Don't try 1 sec, because if 0.01 sec and 0.1 sec don't work, 1188 # - 1 sec is not much of a win compared to 2 sec, and 1189 # - it takes 2 seconds to perform the test whether 1 sec works. 1190 # 1191 # Instead, just use the default 2s on platforms that have 1s resolution, 1192 # accept the extra 1s delay when using $sleep in the Automake tests, in 1193 # exchange for not incurring the 2s delay for running the test for all 1194 # packages. 1195 # 1196 am_try_resolutions= 1197 if test "$am_cv_sleep_fractional_seconds" = yes; then 1198 # Even a millisecond often causes a bunch of false positives, 1199 # so just try a hundredth of a second. The time saved between .001 and 1200 # .01 is not terribly consequential. 1201 am_try_resolutions="0.01 0.1 $am_try_resolutions" 1202 fi 1203 1204 # In order to catch current-generation FAT out, we must *modify* files 1205 # that already exist; the *creation* timestamp is finer. Use names 1206 # that make ls -t sort them differently when they have equal 1207 # timestamps than when they have distinct timestamps, keeping 1208 # in mind that ls -t prints the *newest* file first. 1209 rm -f conftest.ts? 1210 : > conftest.ts1 1211 : > conftest.ts2 1212 : > conftest.ts3 1213 1214 # Make sure ls -t actually works. Do 'set' in a subshell so we don't 1215 # clobber the current shell's arguments. (Outer-level square brackets 1216 # are removed by m4; they're present so that m4 does not expand 1217 # <dollar><star>; be careful, easy to get confused.) 1218 if ( 1219 set X `[ls -t conftest.ts[12]]` && 1220 { 1221 test "$[]*" != "X conftest.ts1 conftest.ts2" || 1222 test "$[]*" != "X conftest.ts2 conftest.ts1"; 1223 } 1224 ); then :; else 1225 # If neither matched, then we have a broken ls. This can happen 1226 # if, for instance, CONFIG_SHELL is bash and it inherits a 1227 # broken ls alias from the environment. This has actually 1228 # happened. Such a system could not be considered "sane". 1229 _AS_ECHO_UNQUOTED( 1230 ["Bad output from ls -t: \"`[ls -t conftest.ts[12]]`\""], 1231 [AS_MESSAGE_LOG_FD]) 1232 AC_MSG_FAILURE([ls -t produces unexpected output. 1233 Make sure there is not a broken ls alias in your environment.]) 1234 fi 1235 1236 for am_try_res in $am_try_resolutions; do 1237 # Any one fine-grained sleep might happen to cross the boundary 1238 # between two values of a coarser actual resolution, but if we do 1239 # two fine-grained sleeps in a row, at least one of them will fall 1240 # entirely within a coarse interval. 1241 echo alpha > conftest.ts1 1242 sleep $am_try_res 1243 echo beta > conftest.ts2 1244 sleep $am_try_res 1245 echo gamma > conftest.ts3 1246 1247 # We assume that 'ls -t' will make use of high-resolution 1248 # timestamps if the operating system supports them at all. 1249 if (set X `ls -t conftest.ts?` && 1250 test "$[]2" = conftest.ts3 && 1251 test "$[]3" = conftest.ts2 && 1252 test "$[]4" = conftest.ts1); then 1253 # 1254 # Ok, ls -t worked. If we're at a resolution of 1 second, we're done, 1255 # because we don't need to test make. 1256 make_ok=true 1257 if test $am_try_res != 1; then 1258 # But if we've succeeded so far with a subsecond resolution, we 1259 # have one more thing to check: make. It can happen that 1260 # everything else supports the subsecond mtimes, but make doesn't; 1261 # notably on macOS, which ships make 3.81 from 2006 (the last one 1262 # released under GPLv2). https://bugs.gnu.org/68808 1263 # 1264 # We test $MAKE if it is defined in the environment, else "make". 1265 # It might get overridden later, but our hope is that in practice 1266 # it does not matter: it is the system "make" which is (by far) 1267 # the most likely to be broken, whereas if the user overrides it, 1268 # probably they did so with a better, or at least not worse, make. 1269 # https://lists.gnu.org/archive/html/automake/2024-06/msg00051.html 1270 # 1271 # Create a Makefile (real tab character here): 1272 rm -f conftest.mk 1273 echo 'conftest.ts1: conftest.ts2' >conftest.mk 1274 echo ' touch conftest.ts2' >>conftest.mk 1275 # 1276 # Now, running 1277 # touch conftest.ts1; touch conftest.ts2; make 1278 # should touch ts1 because ts2 is newer. This could happen by luck, 1279 # but most often, it will fail if make's support is insufficient. So 1280 # test for several consecutive successes. 1281 # 1282 # (We reuse conftest.ts[12] because we still want to modify existing 1283 # files, not create new ones, per above.) 1284 n=0 1285 make=${MAKE-make} 1286 until test $n -eq 3; do 1287 echo one > conftest.ts1 1288 sleep $am_try_res 1289 echo two > conftest.ts2 # ts2 should now be newer than ts1 1290 if $make -f conftest.mk | grep 'up to date' >/dev/null; then 1291 make_ok=false 1292 break # out of $n loop 1293 fi 1294 n=`expr $n + 1` 1295 done 1296 fi 1297 # 1298 if $make_ok; then 1299 # Everything we know to check worked out, so call this resolution good. 1300 am_cv_filesystem_timestamp_resolution=$am_try_res 1301 break # out of $am_try_res loop 1302 fi 1303 # Otherwise, we'll go on to check the next resolution. 1304 fi 1305 done 1306 rm -f conftest.ts? 1307 # (end _am_filesystem_timestamp_resolution) 1308 ])]) 1309 1310 # AM_SANITY_CHECK 1311 # --------------- 1312 AC_DEFUN([AM_SANITY_CHECK], 1313 [AC_REQUIRE([_AM_FILESYSTEM_TIMESTAMP_RESOLUTION]) 1314 # This check should not be cached, as it may vary across builds of 1315 # different projects. 1316 AC_MSG_CHECKING([whether build environment is sane]) 1317 # Reject unsafe characters in $srcdir or the absolute working directory 1318 # name. Accept space and tab only in the latter. 1319 am_lf=' 1320 ' 1321 case `pwd` in 1322 *[[\\\"\#\$\&\'\`$am_lf]]*) 1323 AC_MSG_ERROR([unsafe absolute working directory name]);; 1324 esac 1325 case $srcdir in 1326 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*) 1327 AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);; 1328 esac 1329 1330 # Do 'set' in a subshell so we don't clobber the current shell's 1331 # arguments. Must try -L first in case configure is actually a 1332 # symlink; some systems play weird games with the mod time of symlinks 1333 # (eg FreeBSD returns the mod time of the symlink's containing 1334 # directory). 1335 am_build_env_is_sane=no 1336 am_has_slept=no 1337 rm -f conftest.file 1338 for am_try in 1 2; do 1339 echo "timestamp, slept: $am_has_slept" > conftest.file 1340 if ( 1341 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` 1342 if test "$[]*" = "X"; then 1343 # -L didn't work. 1344 set X `ls -t "$srcdir/configure" conftest.file` 1345 fi 1346 test "$[]2" = conftest.file 1347 ); then 1348 am_build_env_is_sane=yes 1349 break 1350 fi 1351 # Just in case. 1352 sleep "$am_cv_filesystem_timestamp_resolution" 1353 am_has_slept=yes 1354 done 1355 1356 AC_MSG_RESULT([$am_build_env_is_sane]) 1357 if test "$am_build_env_is_sane" = no; then 1358 AC_MSG_ERROR([newly created file is older than distributed files! 1359 Check your system clock]) 1360 fi 1361 1362 # If we didn't sleep, we still need to ensure time stamps of config.status and 1363 # generated files are strictly newer. 1364 am_sleep_pid= 1365 AS_IF([test -e conftest.file || grep 'slept: no' conftest.file >/dev/null 2>&1],, [dnl 1366 ( sleep "$am_cv_filesystem_timestamp_resolution" ) & 1367 am_sleep_pid=$! 1368 ]) 1369 AC_CONFIG_COMMANDS_PRE( 1370 [AC_MSG_CHECKING([that generated files are newer than configure]) 1371 if test -n "$am_sleep_pid"; then 1372 # Hide warnings about reused PIDs. 1373 wait $am_sleep_pid 2>/dev/null 1374 fi 1375 AC_MSG_RESULT([done])]) 1376 rm -f conftest.file 1377 ]) 1378 1379 # Copyright (C) 2009-2024 Free Software Foundation, Inc. 1380 # 1381 # This file is free software; the Free Software Foundation 1382 # gives unlimited permission to copy and/or distribute it, 1383 # with or without modifications, as long as this notice is preserved. 1384 1385 # _AM_SILENT_RULES 1386 # ---------------- 1387 # Enable less verbose build rules support. 1388 AC_DEFUN([_AM_SILENT_RULES], 1389 [AM_DEFAULT_VERBOSITY=1 1390 AC_ARG_ENABLE([silent-rules], [dnl 1391 AS_HELP_STRING( 1392 [--enable-silent-rules], 1393 [less verbose build output (undo: "make V=1")]) 1394 AS_HELP_STRING( 1395 [--disable-silent-rules], 1396 [verbose build output (undo: "make V=0")])dnl 1397 ]) 1398 dnl 1399 dnl A few 'make' implementations (e.g., NonStop OS and NextStep) 1400 dnl do not support nested variable expansions. 1401 dnl See automake bug#9928 and bug#10237. 1402 am_make=${MAKE-make} 1403 AC_CACHE_CHECK([whether $am_make supports nested variables], 1404 [am_cv_make_support_nested_variables], 1405 [if AS_ECHO([['TRUE=$(BAR$(V)) 1406 BAR0=false 1407 BAR1=true 1408 V=1 1409 am__doit: 1410 @$(TRUE) 1411 .PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then 1412 am_cv_make_support_nested_variables=yes 1413 else 1414 am_cv_make_support_nested_variables=no 1415 fi]) 1416 AC_SUBST([AM_V])dnl 1417 AM_SUBST_NOTMAKE([AM_V])dnl 1418 AC_SUBST([AM_DEFAULT_V])dnl 1419 AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl 1420 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl 1421 AM_BACKSLASH='\' 1422 AC_SUBST([AM_BACKSLASH])dnl 1423 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl 1424 dnl Delay evaluation of AM_DEFAULT_VERBOSITY to the end to allow multiple calls 1425 dnl to AM_SILENT_RULES to change the default value. 1426 AC_CONFIG_COMMANDS_PRE([dnl 1427 case $enable_silent_rules in @%:@ ((( 1428 yes) AM_DEFAULT_VERBOSITY=0;; 1429 no) AM_DEFAULT_VERBOSITY=1;; 1430 esac 1431 if test $am_cv_make_support_nested_variables = yes; then 1432 dnl Using '$V' instead of '$(V)' breaks IRIX make. 1433 AM_V='$(V)' 1434 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' 1435 else 1436 AM_V=$AM_DEFAULT_VERBOSITY 1437 AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY 1438 fi 1439 ])dnl 1440 ]) 1441 1442 # AM_SILENT_RULES([DEFAULT]) 1443 # -------------------------- 1444 # Set the default verbosity level to DEFAULT ("yes" being less verbose, "no" or 1445 # empty being verbose). 1446 AC_DEFUN([AM_SILENT_RULES], 1447 [AC_REQUIRE([_AM_SILENT_RULES]) 1448 AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1])]) 1449 1450 # Copyright (C) 2001-2024 Free Software Foundation, Inc. 1451 # 1452 # This file is free software; the Free Software Foundation 1453 # gives unlimited permission to copy and/or distribute it, 1454 # with or without modifications, as long as this notice is preserved. 1455 1456 # AM_PROG_INSTALL_STRIP 1457 # --------------------- 1458 # One issue with vendor 'install' (even GNU) is that you can't 1459 # specify the program used to strip binaries. This is especially 1460 # annoying in cross-compiling environments, where the build's strip 1461 # is unlikely to handle the host's binaries. 1462 # Fortunately install-sh will honor a STRIPPROG variable, so we 1463 # always use install-sh in "make install-strip", and initialize 1464 # STRIPPROG with the value of the STRIP variable (set by the user). 1465 AC_DEFUN([AM_PROG_INSTALL_STRIP], 1466 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl 1467 # Installed binaries are usually stripped using 'strip' when the user 1468 # run "make install-strip". However 'strip' might not be the right 1469 # tool to use in cross-compilation environments, therefore Automake 1470 # will honor the 'STRIP' environment variable to overrule this program. 1471 dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. 1472 if test "$cross_compiling" != no; then 1473 AC_CHECK_TOOL([STRIP], [strip], :) 1474 fi 1475 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" 1476 AC_SUBST([INSTALL_STRIP_PROGRAM])]) 1477 1478 # Copyright (C) 2006-2024 Free Software Foundation, Inc. 1479 # 1480 # This file is free software; the Free Software Foundation 1481 # gives unlimited permission to copy and/or distribute it, 1482 # with or without modifications, as long as this notice is preserved. 1483 1484 # _AM_SUBST_NOTMAKE(VARIABLE) 1485 # --------------------------- 1486 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. 1487 # This macro is traced by Automake. 1488 AC_DEFUN([_AM_SUBST_NOTMAKE]) 1489 1490 # AM_SUBST_NOTMAKE(VARIABLE) 1491 # -------------------------- 1492 # Public sister of _AM_SUBST_NOTMAKE. 1493 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) 1494 1495 # Check how to create a tarball. -*- Autoconf -*- 1496 1497 # Copyright (C) 2004-2024 Free Software Foundation, Inc. 1498 # 1499 # This file is free software; the Free Software Foundation 1500 # gives unlimited permission to copy and/or distribute it, 1501 # with or without modifications, as long as this notice is preserved. 1502 1503 # _AM_PROG_TAR(FORMAT) 1504 # -------------------- 1505 # Check how to create a tarball in format FORMAT. 1506 # FORMAT should be one of 'v7', 'ustar', or 'pax'. 1507 # 1508 # Substitute a variable $(am__tar) that is a command 1509 # writing to stdout a FORMAT-tarball containing the directory 1510 # $tardir. 1511 # tardir=directory && $(am__tar) > result.tar 1512 # 1513 # Substitute a variable $(am__untar) that extract such 1514 # a tarball read from stdin. 1515 # $(am__untar) < result.tar 1516 # 1517 AC_DEFUN([_AM_PROG_TAR], 1518 [# Always define AMTAR for backward compatibility. Yes, it's still used 1519 # in the wild :-( We should find a proper way to deprecate it ... 1520 AC_SUBST([AMTAR], ['$${TAR-tar}']) 1521 1522 # We'll loop over all known methods to create a tar archive until one works. 1523 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' 1524 1525 m4_if([$1], [v7], 1526 [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], 1527 1528 [m4_case([$1], 1529 [ustar], 1530 [# The POSIX 1988 'ustar' format is defined with fixed-size fields. 1531 # There is notably a 21 bits limit for the UID and the GID. In fact, 1532 # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 1533 # and bug#13588). 1534 am_max_uid=2097151 # 2^21 - 1 1535 am_max_gid=$am_max_uid 1536 # The $UID and $GID variables are not portable, so we need to resort 1537 # to the POSIX-mandated id(1) utility. Errors in the 'id' calls 1538 # below are definitely unexpected, so allow the users to see them 1539 # (that is, avoid stderr redirection). 1540 am_uid=`id -u || echo unknown` 1541 am_gid=`id -g || echo unknown` 1542 AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) 1543 if test x$am_uid = xunknown; then 1544 AC_MSG_WARN([ancient id detected; assuming current UID is ok, but dist-ustar might not work]) 1545 elif test $am_uid -le $am_max_uid; then 1546 AC_MSG_RESULT([yes]) 1547 else 1548 AC_MSG_RESULT([no]) 1549 _am_tools=none 1550 fi 1551 AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) 1552 if test x$gm_gid = xunknown; then 1553 AC_MSG_WARN([ancient id detected; assuming current GID is ok, but dist-ustar might not work]) 1554 elif test $am_gid -le $am_max_gid; then 1555 AC_MSG_RESULT([yes]) 1556 else 1557 AC_MSG_RESULT([no]) 1558 _am_tools=none 1559 fi], 1560 1561 [pax], 1562 [], 1563 1564 [m4_fatal([Unknown tar format])]) 1565 1566 AC_MSG_CHECKING([how to create a $1 tar archive]) 1567 1568 # Go ahead even if we have the value already cached. We do so because we 1569 # need to set the values for the 'am__tar' and 'am__untar' variables. 1570 _am_tools=${am_cv_prog_tar_$1-$_am_tools} 1571 1572 for _am_tool in $_am_tools; do 1573 case $_am_tool in 1574 gnutar) 1575 for _am_tar in tar gnutar gtar; do 1576 AM_RUN_LOG([$_am_tar --version]) && break 1577 done 1578 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' 1579 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' 1580 am__untar="$_am_tar -xf -" 1581 ;; 1582 plaintar) 1583 # Must skip GNU tar: if it does not support --format= it doesn't create 1584 # ustar tarball either. 1585 (tar --version) >/dev/null 2>&1 && continue 1586 am__tar='tar chf - "$$tardir"' 1587 am__tar_='tar chf - "$tardir"' 1588 am__untar='tar xf -' 1589 ;; 1590 pax) 1591 am__tar='pax -L -x $1 -w "$$tardir"' 1592 am__tar_='pax -L -x $1 -w "$tardir"' 1593 am__untar='pax -r' 1594 ;; 1595 cpio) 1596 am__tar='find "$$tardir" -print | cpio -o -H $1 -L' 1597 am__tar_='find "$tardir" -print | cpio -o -H $1 -L' 1598 am__untar='cpio -i -H $1 -d' 1599 ;; 1600 none) 1601 am__tar=false 1602 am__tar_=false 1603 am__untar=false 1604 ;; 1605 esac 1606 1607 # If the value was cached, stop now. We just wanted to have am__tar 1608 # and am__untar set. 1609 test -n "${am_cv_prog_tar_$1}" && break 1610 1611 # tar/untar a dummy directory, and stop if the command works. 1612 rm -rf conftest.dir 1613 mkdir conftest.dir 1614 echo GrepMe > conftest.dir/file 1615 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) 1616 rm -rf conftest.dir 1617 if test -s conftest.tar; then 1618 AM_RUN_LOG([$am__untar <conftest.tar]) 1619 AM_RUN_LOG([cat conftest.dir/file]) 1620 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break 1621 fi 1622 done 1623 rm -rf conftest.dir 1624 1625 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) 1626 AC_MSG_RESULT([$am_cv_prog_tar_$1])]) 1627 1628 AC_SUBST([am__tar]) 1629 AC_SUBST([am__untar]) 1630 ]) # _AM_PROG_TAR 1631 1632 # Copyright (C) 2022-2024 Free Software Foundation, Inc. 1633 # 1634 # This file is free software; the Free Software Foundation 1635 # gives unlimited permission to copy and/or distribute it, 1636 # with or without modifications, as long as this notice is preserved. 1637 1638 # _AM_PROG_XARGS_N 1639 # ---------------- 1640 # Check whether 'xargs -n' works. It should work everywhere, so the fallback 1641 # is not optimized at all as we never expect to use it. 1642 AC_DEFUN([_AM_PROG_XARGS_N], 1643 [AC_CACHE_CHECK([xargs -n works], am_cv_xargs_n_works, [dnl 1644 AS_IF([test "`echo 1 2 3 | xargs -n2 echo`" = "1 2 1645 3"], [am_cv_xargs_n_works=yes], [am_cv_xargs_n_works=no])]) 1646 AS_IF([test "$am_cv_xargs_n_works" = yes], [am__xargs_n='xargs -n'], [dnl 1647 am__xargs_n='am__xargs_n () { shift; sed "s/ /\\n/g" | while read am__xargs_n_arg; do "$@" "$am__xargs_n_arg"; done; }' 1648 ])dnl 1649 AC_SUBST(am__xargs_n) 1650 ]) 1651 1652 m4_include([m4/ax_compare_version.m4]) 1653 m4_include([m4/ax_have_epoll.m4]) 1654 m4_include([m4/ax_lib_postgresql.m4]) 1655 m4_include([m4/ax_prog_doxygen.m4]) 1656 m4_include([m4/gettext.m4]) 1657 m4_include([m4/iconv.m4]) 1658 m4_include([m4/intlmacosx.m4]) 1659 m4_include([m4/lib-ld.m4]) 1660 m4_include([m4/lib-link.m4]) 1661 m4_include([m4/lib-prefix.m4]) 1662 m4_include([m4/libcurl.m4]) 1663 m4_include([m4/libgcrypt.m4]) 1664 m4_include([m4/libgnurl.m4]) 1665 m4_include([m4/libtool.m4]) 1666 m4_include([m4/longlong.m4]) 1667 m4_include([m4/ltoptions.m4]) 1668 m4_include([m4/ltsugar.m4]) 1669 m4_include([m4/ltversion.m4]) 1670 m4_include([m4/lt~obsolete.m4]) 1671 m4_include([m4/mhd.m4]) 1672 m4_include([m4/nls.m4]) 1673 m4_include([m4/po.m4]) 1674 m4_include([m4/progtest.m4])