basics.m4 revision 1454:bc02cff96b92
1# 2# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. 3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4# 5# This code is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License version 2 only, as 7# published by the Free Software Foundation. Oracle designates this 8# particular file as subject to the "Classpath" exception as provided 9# by Oracle in the LICENSE file that accompanied this code. 10# 11# This code is distributed in the hope that it will be useful, but WITHOUT 12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14# version 2 for more details (a copy is included in the LICENSE file that 15# accompanied this code). 16# 17# You should have received a copy of the GNU General Public License version 18# 2 along with this work; if not, write to the Free Software Foundation, 19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20# 21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22# or visit www.oracle.com if you need additional information or have any 23# questions. 24# 25 26# Test if $1 is a valid argument to $3 (often is $JAVA passed as $3) 27# If so, then append $1 to $2 \ 28# Also set JVM_ARG_OK to true/false depending on outcome. 29AC_DEFUN([ADD_JVM_ARG_IF_OK], 30[ 31 $ECHO "Check if jvm arg is ok: $1" >&AS_MESSAGE_LOG_FD 32 $ECHO "Command: $3 $1 -version" >&AS_MESSAGE_LOG_FD 33 OUTPUT=`$3 $1 -version 2>&1` 34 FOUND_WARN=`$ECHO "$OUTPUT" | grep -i warn` 35 FOUND_VERSION=`$ECHO $OUTPUT | grep " version \""` 36 if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then 37 $2="[$]$2 $1" 38 JVM_ARG_OK=true 39 else 40 $ECHO "Arg failed:" >&AS_MESSAGE_LOG_FD 41 $ECHO "$OUTPUT" >&AS_MESSAGE_LOG_FD 42 JVM_ARG_OK=false 43 fi 44]) 45 46# Appends a string to a path variable, only adding the : when needed. 47AC_DEFUN([BASIC_APPEND_TO_PATH], 48[ 49 if test "x$2" != x; then 50 if test "x[$]$1" = x; then 51 $1="$2" 52 else 53 $1="[$]$1:$2" 54 fi 55 fi 56]) 57 58# Prepends a string to a path variable, only adding the : when needed. 59AC_DEFUN([BASIC_PREPEND_TO_PATH], 60[ 61 if test "x$2" != x; then 62 if test "x[$]$1" = x; then 63 $1="$2" 64 else 65 $1="$2:[$]$1" 66 fi 67 fi 68]) 69 70# This will make sure the given variable points to a full and proper 71# path. This means: 72# 1) There will be no spaces in the path. On unix platforms, 73# spaces in the path will result in an error. On Windows, 74# the path will be rewritten using short-style to be space-free. 75# 2) The path will be absolute, and it will be in unix-style (on 76# cygwin). 77# $1: The name of the variable to fix 78AC_DEFUN([BASIC_FIXUP_PATH], 79[ 80 # Only process if variable expands to non-empty 81 82 if test "x[$]$1" != x; then 83 if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then 84 BASIC_FIXUP_PATH_CYGWIN($1) 85 elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then 86 BASIC_FIXUP_PATH_MSYS($1) 87 else 88 # We're on a unix platform. Hooray! :) 89 path="[$]$1" 90 has_space=`$ECHO "$path" | $GREP " "` 91 if test "x$has_space" != x; then 92 AC_MSG_NOTICE([The path of $1, which resolves as "$path", is invalid.]) 93 AC_MSG_ERROR([Spaces are not allowed in this path.]) 94 fi 95 96 # Use eval to expand a potential ~ 97 eval path="$path" 98 if test ! -f "$path" && test ! -d "$path"; then 99 AC_MSG_ERROR([The path of $1, which resolves as "$path", is not found.]) 100 fi 101 102 $1="`cd "$path"; $THEPWDCMD -L`" 103 fi 104 fi 105]) 106 107# This will make sure the given variable points to a executable 108# with a full and proper path. This means: 109# 1) There will be no spaces in the path. On unix platforms, 110# spaces in the path will result in an error. On Windows, 111# the path will be rewritten using short-style to be space-free. 112# 2) The path will be absolute, and it will be in unix-style (on 113# cygwin). 114# Any arguments given to the executable is preserved. 115# If the input variable does not have a directory specification, then 116# it need to be in the PATH. 117# $1: The name of the variable to fix 118AC_DEFUN([BASIC_FIXUP_EXECUTABLE], 119[ 120 # Only process if variable expands to non-empty 121 122 if test "x[$]$1" != x; then 123 if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then 124 BASIC_FIXUP_EXECUTABLE_CYGWIN($1) 125 elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then 126 BASIC_FIXUP_EXECUTABLE_MSYS($1) 127 else 128 # We're on a unix platform. Hooray! :) 129 # First separate the path from the arguments. This will split at the first 130 # space. 131 complete="[$]$1" 132 path="${complete%% *}" 133 tmp="$complete EOL" 134 arguments="${tmp#* }" 135 136 # Cannot rely on the command "which" here since it doesn't always work. 137 is_absolute_path=`$ECHO "$path" | $GREP ^/` 138 if test -z "$is_absolute_path"; then 139 # Path to executable is not absolute. Find it. 140 IFS_save="$IFS" 141 IFS=: 142 for p in $PATH; do 143 if test -f "$p/$path" && test -x "$p/$path"; then 144 new_path="$p/$path" 145 break 146 fi 147 done 148 IFS="$IFS_save" 149 else 150 # This is an absolute path, we can use it without further modifications. 151 new_path="$path" 152 fi 153 154 if test "x$new_path" = x; then 155 AC_MSG_NOTICE([The path of $1, which resolves as "$complete", is not found.]) 156 has_space=`$ECHO "$complete" | $GREP " "` 157 if test "x$has_space" != x; then 158 AC_MSG_NOTICE([This might be caused by spaces in the path, which is not allowed.]) 159 fi 160 AC_MSG_ERROR([Cannot locate the the path of $1]) 161 fi 162 fi 163 164 # Now join together the path and the arguments once again 165 if test "x$arguments" != xEOL; then 166 new_complete="$new_path ${arguments% *}" 167 else 168 new_complete="$new_path" 169 fi 170 171 if test "x$complete" != "x$new_complete"; then 172 $1="$new_complete" 173 AC_MSG_NOTICE([Rewriting $1 to "$new_complete"]) 174 fi 175 fi 176]) 177 178AC_DEFUN([BASIC_REMOVE_SYMBOLIC_LINKS], 179[ 180 if test "x$OPENJDK_BUILD_OS" != xwindows; then 181 # Follow a chain of symbolic links. Use readlink 182 # where it exists, else fall back to horribly 183 # complicated shell code. 184 if test "x$READLINK_TESTED" != yes; then 185 # On MacOSX there is a readlink tool with a different 186 # purpose than the GNU readlink tool. Check the found readlink. 187 ISGNU=`$READLINK --version 2>&1 | $GREP GNU` 188 if test "x$ISGNU" = x; then 189 # A readlink that we do not know how to use. 190 # Are there other non-GNU readlinks out there? 191 READLINK_TESTED=yes 192 READLINK= 193 fi 194 fi 195 196 if test "x$READLINK" != x; then 197 $1=`$READLINK -f [$]$1` 198 else 199 # Save the current directory for restoring afterwards 200 STARTDIR=$PWD 201 COUNTER=0 202 sym_link_dir=`$DIRNAME [$]$1` 203 sym_link_file=`$BASENAME [$]$1` 204 cd $sym_link_dir 205 # Use -P flag to resolve symlinks in directories. 206 cd `$THEPWDCMD -P` 207 sym_link_dir=`$THEPWDCMD -P` 208 # Resolve file symlinks 209 while test $COUNTER -lt 20; do 210 ISLINK=`$LS -l $sym_link_dir/$sym_link_file | $GREP '\->' | $SED -e 's/.*-> \(.*\)/\1/'` 211 if test "x$ISLINK" == x; then 212 # This is not a symbolic link! We are done! 213 break 214 fi 215 # Again resolve directory symlinks since the target of the just found 216 # link could be in a different directory 217 cd `$DIRNAME $ISLINK` 218 sym_link_dir=`$THEPWDCMD -P` 219 sym_link_file=`$BASENAME $ISLINK` 220 let COUNTER=COUNTER+1 221 done 222 cd $STARTDIR 223 $1=$sym_link_dir/$sym_link_file 224 fi 225 fi 226]) 227 228# Register a --with argument but mark it as deprecated 229# $1: The name of the with argument to deprecate, not including --with- 230AC_DEFUN([BASIC_DEPRECATED_ARG_WITH], 231[ 232 AC_ARG_WITH($1, [AS_HELP_STRING([--with-$1], 233 [Deprecated. Option is kept for backwards compatibility and is ignored])], 234 [AC_MSG_WARN([Option --with-$1 is deprecated and will be ignored.])]) 235]) 236 237# Register a --enable argument but mark it as deprecated 238# $1: The name of the with argument to deprecate, not including --enable- 239# $2: The name of the argument to deprecate, in shell variable style (i.e. with _ instead of -) 240AC_DEFUN([BASIC_DEPRECATED_ARG_ENABLE], 241[ 242 AC_ARG_ENABLE($1, [AS_HELP_STRING([--enable-$1], 243 [Deprecated. Option is kept for backwards compatibility and is ignored])]) 244 if test "x$enable_$2" != x; then 245 AC_MSG_WARN([Option --enable-$1 is deprecated and will be ignored.]) 246 fi 247]) 248 249AC_DEFUN_ONCE([BASIC_INIT], 250[ 251 # Save the original command line. This is passed to us by the wrapper configure script. 252 AC_SUBST(CONFIGURE_COMMAND_LINE) 253 # Save the path variable before it gets changed 254 ORIGINAL_PATH="$PATH" 255 AC_SUBST(ORIGINAL_PATH) 256 DATE_WHEN_CONFIGURED=`LANG=C date` 257 AC_SUBST(DATE_WHEN_CONFIGURED) 258 AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.]) 259 AC_MSG_NOTICE([configure script generated at timestamp $DATE_WHEN_GENERATED.]) 260]) 261 262# Test that variable $1 denoting a program is not empty. If empty, exit with an error. 263# $1: variable to check 264AC_DEFUN([BASIC_CHECK_NONEMPTY], 265[ 266 if test "x[$]$1" = x; then 267 AC_MSG_ERROR([Could not find required tool for $1]) 268 fi 269]) 270 271# Check that there are no unprocessed overridden variables left. 272# If so, they are an incorrect argument and we will exit with an error. 273AC_DEFUN([BASIC_CHECK_LEFTOVER_OVERRIDDEN], 274[ 275 if test "x$CONFIGURE_OVERRIDDEN_VARIABLES" != x; then 276 # Replace the separating ! with spaces before presenting for end user. 277 unknown_variables=${CONFIGURE_OVERRIDDEN_VARIABLES//!/ } 278 AC_MSG_WARN([The following variables might be unknown to configure: $unknown_variables]) 279 fi 280]) 281 282# Setup a tool for the given variable. If correctly specified by the user, 283# use that value, otherwise search for the tool using the supplied code snippet. 284# $1: variable to set 285# $2: code snippet to call to look for the tool 286AC_DEFUN([BASIC_SETUP_TOOL], 287[ 288 # Publish this variable in the help. 289 AC_ARG_VAR($1, [Override default value for $1]) 290 291 if test "x[$]$1" = x; then 292 # The variable is not set by user, try to locate tool using the code snippet 293 $2 294 else 295 # The variable is set, but is it from the command line or the environment? 296 297 # Try to remove the string !$1! from our list. 298 try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!$1!/} 299 if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then 300 # If it failed, the variable was not from the command line. Ignore it, 301 # but warn the user (except for BASH, which is always set by the calling BASH). 302 if test "x$1" != xBASH; then 303 AC_MSG_WARN([Ignoring value of $1 from the environment. Use command line variables instead.]) 304 fi 305 # Try to locate tool using the code snippet 306 $2 307 else 308 # If it succeeded, then it was overridden by the user. We will use it 309 # for the tool. 310 311 # First remove it from the list of overridden variables, so we can test 312 # for unknown variables in the end. 313 CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var" 314 315 # Check if the provided tool contains a complete path. 316 tool_specified="[$]$1" 317 tool_basename="${tool_specified##*/}" 318 if test "x$tool_basename" = "x$tool_specified"; then 319 # A command without a complete path is provided, search $PATH. 320 AC_MSG_NOTICE([Will search for user supplied tool $1=$tool_basename]) 321 AC_PATH_PROG($1, $tool_basename) 322 if test "x[$]$1" = x; then 323 AC_MSG_ERROR([User supplied tool $tool_basename could not be found]) 324 fi 325 else 326 # Otherwise we believe it is a complete path. Use it as it is. 327 AC_MSG_NOTICE([Will use user supplied tool $1=$tool_specified]) 328 AC_MSG_CHECKING([for $1]) 329 if test ! -x "$tool_specified"; then 330 AC_MSG_RESULT([not found]) 331 AC_MSG_ERROR([User supplied tool $1=$tool_specified does not exist or is not executable]) 332 fi 333 AC_MSG_RESULT([$tool_specified]) 334 fi 335 fi 336 fi 337]) 338 339# Call BASIC_SETUP_TOOL with AC_PATH_PROGS to locate the tool 340# $1: variable to set 341# $2: executable name (or list of names) to look for 342AC_DEFUN([BASIC_PATH_PROGS], 343[ 344 BASIC_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2)]) 345]) 346 347# Call BASIC_SETUP_TOOL with AC_CHECK_TOOLS to locate the tool 348# $1: variable to set 349# $2: executable name (or list of names) to look for 350AC_DEFUN([BASIC_CHECK_TOOLS], 351[ 352 BASIC_SETUP_TOOL($1, [AC_CHECK_TOOLS($1, $2)]) 353]) 354 355# Like BASIC_PATH_PROGS but fails if no tool was found. 356# $1: variable to set 357# $2: executable name (or list of names) to look for 358AC_DEFUN([BASIC_REQUIRE_PROGS], 359[ 360 BASIC_PATH_PROGS($1, $2) 361 BASIC_CHECK_NONEMPTY($1) 362]) 363 364# Like BASIC_SETUP_TOOL but fails if no tool was found. 365# $1: variable to set 366# $2: autoconf macro to call to look for the special tool 367AC_DEFUN([BASIC_REQUIRE_SPECIAL], 368[ 369 BASIC_SETUP_TOOL($1, [$2]) 370 BASIC_CHECK_NONEMPTY($1) 371]) 372 373# Setup the most fundamental tools that relies on not much else to set up, 374# but is used by much of the early bootstrap code. 375AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS], 376[ 377 # Start with tools that do not need have cross compilation support 378 # and can be expected to be found in the default PATH. These tools are 379 # used by configure. Nor are these tools expected to be found in the 380 # devkit from the builddeps server either, since they are 381 # needed to download the devkit. 382 383 # First are all the simple required tools. 384 BASIC_REQUIRE_PROGS(BASENAME, basename) 385 BASIC_REQUIRE_PROGS(BASH, bash) 386 BASIC_REQUIRE_PROGS(CAT, cat) 387 BASIC_REQUIRE_PROGS(CHMOD, chmod) 388 BASIC_REQUIRE_PROGS(CMP, cmp) 389 BASIC_REQUIRE_PROGS(COMM, comm) 390 BASIC_REQUIRE_PROGS(CP, cp) 391 BASIC_REQUIRE_PROGS(CUT, cut) 392 BASIC_REQUIRE_PROGS(DATE, date) 393 BASIC_REQUIRE_PROGS(DIFF, [gdiff diff]) 394 BASIC_REQUIRE_PROGS(DIRNAME, dirname) 395 BASIC_REQUIRE_PROGS(ECHO, echo) 396 BASIC_REQUIRE_PROGS(EXPR, expr) 397 BASIC_REQUIRE_PROGS(FILE, file) 398 BASIC_REQUIRE_PROGS(FIND, find) 399 BASIC_REQUIRE_PROGS(HEAD, head) 400 BASIC_REQUIRE_PROGS(LN, ln) 401 BASIC_REQUIRE_PROGS(LS, ls) 402 BASIC_REQUIRE_PROGS(MKDIR, mkdir) 403 BASIC_REQUIRE_PROGS(MKTEMP, mktemp) 404 BASIC_REQUIRE_PROGS(MV, mv) 405 BASIC_REQUIRE_PROGS(NAWK, [nawk gawk awk]) 406 BASIC_REQUIRE_PROGS(PRINTF, printf) 407 BASIC_REQUIRE_PROGS(RM, rm) 408 BASIC_REQUIRE_PROGS(SH, sh) 409 BASIC_REQUIRE_PROGS(SORT, sort) 410 BASIC_REQUIRE_PROGS(TAIL, tail) 411 BASIC_REQUIRE_PROGS(TAR, tar) 412 BASIC_REQUIRE_PROGS(TEE, tee) 413 BASIC_REQUIRE_PROGS(TOUCH, touch) 414 BASIC_REQUIRE_PROGS(TR, tr) 415 BASIC_REQUIRE_PROGS(UNAME, uname) 416 BASIC_REQUIRE_PROGS(UNIQ, uniq) 417 BASIC_REQUIRE_PROGS(WC, wc) 418 BASIC_REQUIRE_PROGS(WHICH, which) 419 BASIC_REQUIRE_PROGS(XARGS, xargs) 420 421 # Then required tools that require some special treatment. 422 BASIC_REQUIRE_SPECIAL(AWK, [AC_PROG_AWK]) 423 BASIC_REQUIRE_SPECIAL(GREP, [AC_PROG_GREP]) 424 BASIC_REQUIRE_SPECIAL(EGREP, [AC_PROG_EGREP]) 425 BASIC_REQUIRE_SPECIAL(FGREP, [AC_PROG_FGREP]) 426 BASIC_REQUIRE_SPECIAL(SED, [AC_PROG_SED]) 427 428 # Always force rm. 429 RM="$RM -f" 430 431 # pwd behaves differently on various platforms and some don't support the -L flag. 432 # Always use the bash builtin pwd to get uniform behavior. 433 THEPWDCMD=pwd 434 435 # These are not required on all platforms 436 BASIC_PATH_PROGS(CYGPATH, cygpath) 437 BASIC_PATH_PROGS(READLINK, [greadlink readlink]) 438 BASIC_PATH_PROGS(DF, df) 439 BASIC_PATH_PROGS(SETFILE, SetFile) 440 BASIC_PATH_PROGS(CPIO, [cpio bsdcpio]) 441]) 442 443# Setup basic configuration paths, and platform-specific stuff related to PATHs. 444AC_DEFUN_ONCE([BASIC_SETUP_PATHS], 445[ 446 # Save the current directory this script was started from 447 CURDIR="$PWD" 448 449 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then 450 PATH_SEP=";" 451 BASIC_CHECK_PATHS_WINDOWS 452 else 453 PATH_SEP=":" 454 fi 455 AC_SUBST(PATH_SEP) 456 457 # We get the top-level directory from the supporting wrappers. 458 AC_MSG_CHECKING([for top-level directory]) 459 AC_MSG_RESULT([$TOPDIR]) 460 AC_SUBST(TOPDIR) 461 462 # Save the original version of TOPDIR for string comparisons 463 ORIGINAL_TOPDIR="$TOPDIR" 464 AC_SUBST(ORIGINAL_TOPDIR) 465 466 # We can only call BASIC_FIXUP_PATH after BASIC_CHECK_PATHS_WINDOWS. 467 BASIC_FIXUP_PATH(CURDIR) 468 BASIC_FIXUP_PATH(TOPDIR) 469 # SRC_ROOT is a traditional alias for TOPDIR. 470 SRC_ROOT=$TOPDIR 471 472 # Calculate a canonical version of TOPDIR for string comparisons 473 CANONICAL_TOPDIR=$TOPDIR 474 BASIC_REMOVE_SYMBOLIC_LINKS([CANONICAL_TOPDIR]) 475 AC_SUBST(CANONICAL_TOPDIR) 476 477 # Locate the directory of this script. 478 AUTOCONF_DIR=$TOPDIR/common/autoconf 479]) 480 481# Evaluates platform specific overrides for devkit variables. 482# $1: Name of variable 483AC_DEFUN([BASIC_EVAL_DEVKIT_VARIABLE], 484[ 485 if test "x[$]$1" = x; then 486 eval $1="\${$1_${OPENJDK_TARGET_CPU}}" 487 fi 488]) 489 490AC_DEFUN_ONCE([BASIC_SETUP_DEVKIT], 491[ 492 AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit], 493 [use this devkit for compilers, tools and resources])], 494 [ 495 BASIC_FIXUP_PATH([with_devkit]) 496 DEVKIT_ROOT="$with_devkit" 497 # Check for a meta data info file in the root of the devkit 498 if test -f "$DEVKIT_ROOT/devkit.info"; then 499 . $DEVKIT_ROOT/devkit.info 500 # This potentially sets the following: 501 # A descriptive name of the devkit 502 BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_NAME]) 503 # Corresponds to --with-extra-path 504 BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_EXTRA_PATH]) 505 # Corresponds to --with-toolchain-path 506 BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_TOOLCHAIN_PATH]) 507 # Corresponds to --with-sysroot 508 BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_SYSROOT]) 509 510 # Identifies the Visual Studio version in the devkit 511 BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_VS_VERSION]) 512 # The Visual Studio include environment variable 513 BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_VS_INCLUDE]) 514 # The Visual Studio lib environment variable 515 BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_VS_LIB]) 516 # Corresponds to --with-msvcr-dll 517 BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_MSVCR_DLL]) 518 # Corresponds to --with-msvcp-dll 519 BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_MSVCP_DLL]) 520 fi 521 522 AC_MSG_CHECKING([for devkit]) 523 if test "x$DEVKIT_NAME" != x; then 524 AC_MSG_RESULT([$DEVKIT_NAME in $DEVKIT_ROOT]) 525 else 526 AC_MSG_RESULT([$DEVKIT_ROOT]) 527 fi 528 529 BASIC_PREPEND_TO_PATH([EXTRA_PATH],$DEVKIT_EXTRA_PATH) 530 531 # Fallback default of just /bin if DEVKIT_PATH is not defined 532 if test "x$DEVKIT_TOOLCHAIN_PATH" = x; then 533 DEVKIT_TOOLCHAIN_PATH="$DEVKIT_ROOT/bin" 534 fi 535 BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$DEVKIT_TOOLCHAIN_PATH) 536 537 # If DEVKIT_SYSROOT is set, use that, otherwise try a couple of known 538 # places for backwards compatiblity. 539 if test "x$DEVKIT_SYSROOT" != x; then 540 SYSROOT="$DEVKIT_SYSROOT" 541 elif test -d "$DEVKIT_ROOT/$host_alias/libc"; then 542 SYSROOT="$DEVKIT_ROOT/$host_alias/libc" 543 elif test -d "$DEVKIT_ROOT/$host/sys-root"; then 544 SYSROOT="$DEVKIT_ROOT/$host/sys-root" 545 fi 546 ] 547 ) 548 549 # You can force the sysroot if the sysroot encoded into the compiler tools 550 # is not correct. 551 AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root], 552 [alias for --with-sysroot for backwards compatability])], 553 [SYSROOT=$with_sys_root] 554 ) 555 556 AC_ARG_WITH(sysroot, [AS_HELP_STRING([--with-sysroot], 557 [use this directory as sysroot])], 558 [SYSROOT=$with_sysroot] 559 ) 560 561 AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir], 562 [alias for --with-toolchain-path for backwards compatibility])], 563 [BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$with_tools_dir)] 564 ) 565 566 AC_ARG_WITH([toolchain-path], [AS_HELP_STRING([--with-toolchain-path], 567 [prepend these directories when searching for toolchain binaries (compilers etc)])], 568 [BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$with_toolchain_path)] 569 ) 570 571 AC_ARG_WITH([extra-path], [AS_HELP_STRING([--with-extra-path], 572 [prepend these directories to the default path])], 573 [BASIC_PREPEND_TO_PATH([EXTRA_PATH],$with_extra_path)] 574 ) 575 576 if test "x$OPENJDK_BUILD_OS" = "xmacosx"; then 577 # detect if Xcode is installed by running xcodebuild -version 578 # if no Xcode installed, xcodebuild exits with 1 579 # if Xcode is installed, even if xcode-select is misconfigured, then it exits with 0 580 if /usr/bin/xcodebuild -version >/dev/null 2>&1; then 581 # We need to use xcodebuild in the toolchain dir provided by the user, this will 582 # fall back on the stub binary in /usr/bin/xcodebuild 583 AC_PATH_PROG([XCODEBUILD], [xcodebuild], [/usr/bin/xcodebuild], [$TOOLCHAIN_PATH]) 584 else 585 # this should result in SYSROOT being empty, unless --with-sysroot is provided 586 # when only the command line tools are installed there are no SDKs, so headers 587 # are copied into the system frameworks 588 XCODEBUILD= 589 AC_SUBST(XCODEBUILD) 590 fi 591 592 AC_MSG_CHECKING([for sdk name]) 593 AC_ARG_WITH([sdk-name], [AS_HELP_STRING([--with-sdk-name], 594 [use the platform SDK of the given name. @<:@macosx@:>@])], 595 [SDKNAME=$with_sdk_name] 596 ) 597 AC_MSG_RESULT([$SDKNAME]) 598 599 # if toolchain path is specified then don't rely on system headers, they may not compile 600 HAVE_SYSTEM_FRAMEWORK_HEADERS=0 601 test -z "$TOOLCHAIN_PATH" && \ 602 HAVE_SYSTEM_FRAMEWORK_HEADERS=`test ! -f /System/Library/Frameworks/Foundation.framework/Headers/Foundation.h; echo $?` 603 604 if test -z "$SYSROOT"; then 605 if test -n "$XCODEBUILD"; then 606 # if we don't have system headers, use default SDK name (last resort) 607 if test -z "$SDKNAME" -a $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0; then 608 SDKNAME=${SDKNAME:-macosx} 609 fi 610 611 if test -n "$SDKNAME"; then 612 # Call xcodebuild to determine SYSROOT 613 SYSROOT=`"$XCODEBUILD" -sdk $SDKNAME -version | grep '^Path: ' | sed 's/Path: //'` 614 fi 615 else 616 if test $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0; then 617 AC_MSG_ERROR([No xcodebuild tool and no system framework headers found, use --with-sysroot or --with-sdk-name to provide a path to a valid SDK]) 618 fi 619 fi 620 else 621 # warn user if --with-sdk-name was also set 622 if test -n "$with_sdk_name"; then 623 AC_MSG_WARN([Both SYSROOT and --with-sdk-name are set, only SYSROOT will be used]) 624 fi 625 fi 626 627 if test $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0 -a -z "$SYSROOT"; then 628 # If no system framework headers, then SYSROOT must be set, or we won't build 629 AC_MSG_ERROR([Unable to determine SYSROOT and no headers found in /System/Library/Frameworks. Check Xcode configuration, --with-sysroot or --with-sdk-name arguments.]) 630 fi 631 632 # Perform a basic sanity test 633 if test ! -f "$SYSROOT/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h"; then 634 if test -z "$SYSROOT"; then 635 AC_MSG_ERROR([Unable to find required framework headers, provide a path to an SDK via --with-sysroot or --with-sdk-name and be sure Xcode is installed properly]) 636 else 637 AC_MSG_ERROR([Invalid SDK or SYSROOT path, dependent framework headers not found]) 638 fi 639 fi 640 641 # set SDKROOT too, Xcode tools will pick it up 642 AC_SUBST(SDKROOT,$SYSROOT) 643 fi 644 645 # Prepend the extra path to the global path 646 BASIC_PREPEND_TO_PATH([PATH],$EXTRA_PATH) 647 648 if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then 649 # Add extra search paths on solaris for utilities like ar and as etc... 650 PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin" 651 fi 652 653 AC_MSG_CHECKING([for sysroot]) 654 AC_MSG_RESULT([$SYSROOT]) 655 AC_MSG_CHECKING([for toolchain path]) 656 AC_MSG_RESULT([$TOOLCHAIN_PATH]) 657 AC_MSG_CHECKING([for extra path]) 658 AC_MSG_RESULT([$EXTRA_PATH]) 659]) 660 661AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR], 662[ 663 664 AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name], 665 [use this as the name of the configuration @<:@generated from important configuration options@:>@])], 666 [ CONF_NAME=${with_conf_name} ]) 667 668 # Test from where we are running configure, in or outside of src root. 669 AC_MSG_CHECKING([where to store configuration]) 670 if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \ 671 || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \ 672 || test "x$CURDIR" = "x$SRC_ROOT/make" ; then 673 # We are running configure from the src root. 674 # Create a default ./build/target-variant-debuglevel output root. 675 if test "x${CONF_NAME}" = x; then 676 AC_MSG_RESULT([in default location]) 677 CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}" 678 else 679 AC_MSG_RESULT([in build directory with custom name]) 680 fi 681 OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}" 682 $MKDIR -p "$OUTPUT_ROOT" 683 if test ! -d "$OUTPUT_ROOT"; then 684 AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT]) 685 fi 686 else 687 # We are running configure from outside of the src dir. 688 # Then use the current directory as output dir! 689 # If configuration is situated in normal build directory, just use the build 690 # directory name as configuration name, otherwise use the complete path. 691 if test "x${CONF_NAME}" = x; then 692 CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"` 693 fi 694 OUTPUT_ROOT="$CURDIR" 695 AC_MSG_RESULT([in current directory]) 696 697 # WARNING: This might be a bad thing to do. You need to be sure you want to 698 # have a configuration in this directory. Do some sanity checks! 699 700 if test ! -e "$OUTPUT_ROOT/spec.gmk"; then 701 # If we have a spec.gmk, we have run here before and we are OK. Otherwise, check for 702 # other files 703 files_present=`$LS $OUTPUT_ROOT` 704 # Configure has already touched config.log and confdefs.h in the current dir when this check 705 # is performed. 706 filtered_files=`$ECHO "$files_present" \ 707 | $SED -e 's/config.log//g' \ 708 -e 's/confdefs.h//g' \ 709 -e 's/fixpath.exe//g' \ 710 -e 's/ //g' \ 711 | $TR -d '\n'` 712 if test "x$filtered_files" != x; then 713 AC_MSG_NOTICE([Current directory is $CURDIR.]) 714 AC_MSG_NOTICE([Since this is not the source root, configure will output the configuration here]) 715 AC_MSG_NOTICE([(as opposed to creating a configuration in <src_root>/build/<conf-name>).]) 716 AC_MSG_NOTICE([However, this directory is not empty. This is not allowed, since it could]) 717 AC_MSG_NOTICE([seriously mess up just about everything.]) 718 AC_MSG_NOTICE([Try 'cd $SRC_ROOT' and restart configure]) 719 AC_MSG_NOTICE([(or create a new empty directory and cd to it).]) 720 AC_MSG_ERROR([Will not continue creating configuration in $CURDIR]) 721 fi 722 fi 723 fi 724 AC_MSG_CHECKING([what configuration name to use]) 725 AC_MSG_RESULT([$CONF_NAME]) 726 727 BASIC_FIXUP_PATH(OUTPUT_ROOT) 728 729 CONFIGURESUPPORT_OUTPUTDIR="$OUTPUT_ROOT/configure-support" 730 $MKDIR -p "$CONFIGURESUPPORT_OUTPUTDIR" 731 732 AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk) 733 AC_SUBST(CONF_NAME, $CONF_NAME) 734 AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT) 735 AC_SUBST(CONFIGURESUPPORT_OUTPUTDIR) 736 737 # The spec.gmk file contains all variables for the make system. 738 AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in]) 739 # The hotspot-spec.gmk file contains legacy variables for the hotspot make system. 740 AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in]) 741 # The bootcycle-spec.gmk file contains support for boot cycle builds. 742 AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in]) 743 # The compare.sh is used to compare the build output to other builds. 744 AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in]) 745 # The generated Makefile knows where the spec.gmk is and where the source is. 746 # You can run make from the OUTPUT_ROOT, or from the top-level Makefile 747 # which will look for generated configurations 748 AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in]) 749]) 750 751#%%% Simple tools %%% 752 753# Check if we have found a usable version of make 754# $1: the path to a potential make binary (or empty) 755# $2: the description on how we found this 756AC_DEFUN([BASIC_CHECK_MAKE_VERSION], 757[ 758 MAKE_CANDIDATE="$1" 759 DESCRIPTION="$2" 760 761 # On Cygwin, we require a newer version of make than on other platforms 762 if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then 763 MAKE_VERSION_EXPR="-e 4\." 764 MAKE_REQUIRED_VERSION="4.0" 765 else 766 MAKE_VERSION_EXPR="-e 3\.8[[12]] -e 4\." 767 MAKE_REQUIRED_VERSION="3.81" 768 fi 769 770 if test "x$MAKE_CANDIDATE" != x; then 771 AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION]) 772 MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1` 773 IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'` 774 if test "x$IS_GNU_MAKE" = x; then 775 AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.]) 776 else 777 IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP $MAKE_VERSION_EXPR` 778 if test "x$IS_MODERN_MAKE" = x; then 779 AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version $MAKE_REQUIRED_VERSION or later. (it is: $MAKE_VERSION_STRING). Ignoring.]) 780 else 781 if test "x$OPENJDK_BUILD_OS" = "xwindows"; then 782 if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then 783 MAKE_EXPECTED_ENV='cygwin' 784 elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then 785 MAKE_EXPECTED_ENV='msys' 786 else 787 AC_MSG_ERROR([Unknown Windows environment]) 788 fi 789 MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'` 790 IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV` 791 else 792 # Not relevant for non-Windows 793 IS_MAKE_CORRECT_ENV=true 794 fi 795 if test "x$IS_MAKE_CORRECT_ENV" = x; then 796 AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.]) 797 else 798 FOUND_MAKE=$MAKE_CANDIDATE 799 BASIC_FIXUP_EXECUTABLE(FOUND_MAKE) 800 fi 801 fi 802 fi 803 fi 804]) 805 806AC_DEFUN([BASIC_CHECK_MAKE_OUTPUT_SYNC], 807[ 808 # Check if make supports the output sync option and if so, setup using it. 809 AC_MSG_CHECKING([if make --output-sync is supported]) 810 if $MAKE --version -O > /dev/null 2>&1; then 811 OUTPUT_SYNC_SUPPORTED=true 812 AC_MSG_RESULT([yes]) 813 AC_MSG_CHECKING([for output-sync value]) 814 AC_ARG_WITH([output-sync], [AS_HELP_STRING([--with-output-sync], 815 [set make output sync type if supported by make. @<:@recurse@:>@])], 816 [OUTPUT_SYNC=$with_output_sync]) 817 if test "x$OUTPUT_SYNC" = "x"; then 818 OUTPUT_SYNC=none 819 fi 820 AC_MSG_RESULT([$OUTPUT_SYNC]) 821 if ! $MAKE --version -O$OUTPUT_SYNC > /dev/null 2>&1; then 822 AC_MSG_ERROR([Make did not the support the value $OUTPUT_SYNC as output sync type.]) 823 fi 824 else 825 OUTPUT_SYNC_SUPPORTED=false 826 AC_MSG_RESULT([no]) 827 fi 828 AC_SUBST(OUTPUT_SYNC_SUPPORTED) 829 AC_SUBST(OUTPUT_SYNC) 830]) 831 832# Goes looking for a usable version of GNU make. 833AC_DEFUN([BASIC_CHECK_GNU_MAKE], 834[ 835 # We need to find a recent version of GNU make. Especially on Solaris, this can be tricky. 836 if test "x$MAKE" != x; then 837 # User has supplied a make, test it. 838 if test ! -f "$MAKE"; then 839 AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not found.]) 840 fi 841 BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE]) 842 if test "x$FOUND_MAKE" = x; then 843 AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make $MAKE_REQUIRED_VERSION or newer.]) 844 fi 845 else 846 # Try our hardest to locate a correct version of GNU make 847 AC_PATH_PROGS(CHECK_GMAKE, gmake) 848 BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH]) 849 850 if test "x$FOUND_MAKE" = x; then 851 AC_PATH_PROGS(CHECK_MAKE, make) 852 BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH]) 853 fi 854 855 if test "x$FOUND_MAKE" = x; then 856 if test "x$TOOLCHAIN_PATH" != x; then 857 # We have a toolchain path, check that as well before giving up. 858 OLD_PATH=$PATH 859 PATH=$TOOLCHAIN_PATH:$PATH 860 AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake) 861 BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir]) 862 if test "x$FOUND_MAKE" = x; then 863 AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make) 864 BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir]) 865 fi 866 PATH=$OLD_PATH 867 fi 868 fi 869 870 if test "x$FOUND_MAKE" = x; then 871 AC_MSG_ERROR([Cannot find GNU make $MAKE_REQUIRED_VERSION or newer! Please put it in the path, or add e.g. MAKE=/opt/gmake3.81/make as argument to configure.]) 872 fi 873 fi 874 875 MAKE=$FOUND_MAKE 876 AC_SUBST(MAKE) 877 AC_MSG_NOTICE([Using GNU make at $FOUND_MAKE (version: $MAKE_VERSION_STRING)]) 878 879 BASIC_CHECK_MAKE_OUTPUT_SYNC 880]) 881 882AC_DEFUN([BASIC_CHECK_FIND_DELETE], 883[ 884 # Test if find supports -delete 885 AC_MSG_CHECKING([if find supports -delete]) 886 FIND_DELETE="-delete" 887 888 DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?) 889 890 echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete 891 892 TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1` 893 if test -f $DELETEDIR/TestIfFindSupportsDelete; then 894 # No, it does not. 895 rm $DELETEDIR/TestIfFindSupportsDelete 896 if test "x$OPENJDK_TARGET_OS" = "xaix"; then 897 # AIX 'find' is buggy if called with '-exec {} \+' and an empty file list 898 FIND_DELETE="-print | xargs rm" 899 else 900 FIND_DELETE="-exec rm \{\} \+" 901 fi 902 AC_MSG_RESULT([no]) 903 else 904 AC_MSG_RESULT([yes]) 905 fi 906 rmdir $DELETEDIR 907 AC_SUBST(FIND_DELETE) 908]) 909 910AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS], 911[ 912 BASIC_CHECK_GNU_MAKE 913 914 BASIC_CHECK_FIND_DELETE 915 916 # These tools might not be installed by default, 917 # need hint on how to install them. 918 BASIC_REQUIRE_PROGS(UNZIP, unzip) 919 BASIC_REQUIRE_PROGS(ZIP, zip) 920 921 # Non-required basic tools 922 923 BASIC_PATH_PROGS(LDD, ldd) 924 if test "x$LDD" = "x"; then 925 # List shared lib dependencies is used for 926 # debug output and checking for forbidden dependencies. 927 # We can build without it. 928 LDD="true" 929 fi 930 BASIC_PATH_PROGS(OTOOL, otool) 931 if test "x$OTOOL" = "x"; then 932 OTOOL="true" 933 fi 934 BASIC_PATH_PROGS(READELF, [greadelf readelf]) 935 BASIC_PATH_PROGS(HG, hg) 936 BASIC_PATH_PROGS(STAT, stat) 937 BASIC_PATH_PROGS(TIME, time) 938 # Check if it's GNU time 939 IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU time'` 940 if test "x$IS_GNU_TIME" != x; then 941 IS_GNU_TIME=yes 942 else 943 IS_GNU_TIME=no 944 fi 945 AC_SUBST(IS_GNU_TIME) 946 947 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 948 BASIC_REQUIRE_PROGS(DSYMUTIL, dsymutil) 949 BASIC_REQUIRE_PROGS(XATTR, xattr) 950 BASIC_PATH_PROGS(CODESIGN, codesign) 951 if test "x$CODESIGN" != "x"; then 952 # Verify that the openjdk_codesign certificate is present 953 AC_MSG_CHECKING([if openjdk_codesign certificate is present]) 954 rm -f codesign-testfile 955 touch codesign-testfile 956 codesign -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN= 957 rm -f codesign-testfile 958 if test "x$CODESIGN" = x; then 959 AC_MSG_RESULT([no]) 960 else 961 AC_MSG_RESULT([yes]) 962 fi 963 fi 964 fi 965]) 966 967# Check if build directory is on local disk. If not possible to determine, 968# we prefer to claim it's local. 969# Argument 1: directory to test 970# Argument 2: what to do if it is on local disk 971# Argument 3: what to do otherwise (remote disk or failure) 972AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK], 973[ 974 # df -l lists only local disks; if the given directory is not found then 975 # a non-zero exit code is given 976 if test "x$DF" = x; then 977 if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then 978 # msys does not have df; use Windows "net use" instead. 979 IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:` 980 if test "x$IS_NETWORK_DISK" = x; then 981 $2 982 else 983 $3 984 fi 985 else 986 # No df here, say it's local 987 $2 988 fi 989 else 990 if $DF -l $1 > /dev/null 2>&1; then 991 $2 992 else 993 $3 994 fi 995 fi 996]) 997 998# Check that source files have basic read permissions set. This might 999# not be the case in cygwin in certain conditions. 1000AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS], 1001[ 1002 if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then 1003 file_to_test="$SRC_ROOT/LICENSE" 1004 if test `$STAT -c '%a' "$file_to_test"` -lt 400; then 1005 AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.]) 1006 fi 1007 fi 1008]) 1009 1010AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES], 1011[ 1012 # Did user specify any unknown variables? 1013 BASIC_CHECK_LEFTOVER_OVERRIDDEN 1014 1015 AC_MSG_CHECKING([if build directory is on local disk]) 1016 BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT, 1017 [OUTPUT_DIR_IS_LOCAL="yes"], 1018 [OUTPUT_DIR_IS_LOCAL="no"]) 1019 AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL) 1020 1021 BASIC_CHECK_SRC_PERMS 1022 1023 # Check if the user has any old-style ALT_ variables set. 1024 FOUND_ALT_VARIABLES=`env | grep ^ALT_` 1025 1026 # Before generating output files, test if they exist. If they do, this is a reconfigure. 1027 # Since we can't properly handle the dependencies for this, warn the user about the situation 1028 if test -e $OUTPUT_ROOT/spec.gmk; then 1029 IS_RECONFIGURE=yes 1030 else 1031 IS_RECONFIGURE=no 1032 fi 1033]) 1034 1035# Check for support for specific options in bash 1036AC_DEFUN_ONCE([BASIC_CHECK_BASH_OPTIONS], 1037[ 1038 # Test if bash supports pipefail. 1039 AC_MSG_CHECKING([if bash supports pipefail]) 1040 if ${BASH} -c 'set -o pipefail'; then 1041 BASH_ARGS="$BASH_ARGS -o pipefail" 1042 AC_MSG_RESULT([yes]) 1043 else 1044 AC_MSG_RESULT([no]) 1045 fi 1046 1047 AC_MSG_CHECKING([if bash supports errexit (-e)]) 1048 if ${BASH} -e -c 'true'; then 1049 BASH_ARGS="$BASH_ARGS -e" 1050 AC_MSG_RESULT([yes]) 1051 else 1052 AC_MSG_RESULT([no]) 1053 fi 1054 1055 AC_SUBST(BASH_ARGS) 1056]) 1057