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.
  29 AC_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.
  47 AC_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.
  59 AC_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 # $1: The name of the variable to fix
  78 AC_DEFUN([BASIC_FIXUP_PATH],
  79 [
  80   # Only process if variable expands to non-empty
  81 
  82   if test "x[$]$1" != x; then
  83     if test "x$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 # $1: The name of the variable to fix
 118 AC_DEFUN([BASIC_FIXUP_EXECUTABLE],
 119 [
 120   # Only process if variable expands to non-empty
 121 
 122   if test "x[$]$1" != x; then
 123     if test "x$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 
 178 AC_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-
 230 AC_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 -)

 240 AC_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 
 249 AC_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 # $1: variable to check
 264 AC_DEFUN([BASIC_CHECK_NONEMPTY],
 265 [
 266   if test "x[$]$1" = x; then
 267     AC_MSG_ERROR([Could not find required tool for $1])
 268   fi
 269 ])
 270 
 271 # Check that there are no unprocessed overridden variables left.
 272 # If so, they are an incorrect argument and we will exit with an error.
 273 AC_DEFUN([BASIC_CHECK_LEFTOVER_OVERRIDDEN],
 274 [
 275   if test "x$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
 286 # $3: code snippet to call if variable was used to find tool
 287 AC_DEFUN([BASIC_SETUP_TOOL],
 288 [
 289   # Publish this variable in the help.
 290   AC_ARG_VAR($1, [Override default value for $1])
 291 
 292   if [[ -z "${$1+x}" ]]; then
 293     # The variable is not set by user, try to locate tool using the code snippet
 294     $2
 295   else
 296     # The variable is set, but is it from the command line or the environment?
 297 
 298     # Try to remove the string !$1! from our list.
 299     try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!$1!/}
 300     if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
 301       # If it failed, the variable was not from the command line. Ignore it,
 302       # but warn the user (except for BASH, which is always set by the calling BASH).
 303       if test "x$1" != xBASH; then
 304         AC_MSG_WARN([Ignoring value of $1 from the environment. Use command line variables instead.])
 305       fi
 306       # Try to locate tool using the code snippet
 307       $2
 308     else
 309       # If it succeeded, then it was overridden by the user. We will use it
 310       # for the tool.
 311 
 312       # First remove it from the list of overridden variables, so we can test
 313       # for unknown variables in the end.
 314       CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
 315 
 316       # Check if we try to supply an empty value
 317       if test "x[$]$1" = x; then
 318         AC_MSG_NOTICE([Setting user supplied tool $1= (no value)])
 319         AC_MSG_CHECKING([for $1])
 320         AC_MSG_RESULT([disabled])
 321       else
 322         # Check if the provided tool contains a complete path.
 323         tool_specified="[$]$1"
 324         tool_basename="${tool_specified##*/}"
 325         if test "x$tool_basename" = "x$tool_specified"; then
 326           # A command without a complete path is provided, search $PATH.
 327           AC_MSG_NOTICE([Will search for user supplied tool $1=$tool_basename])
 328           AC_PATH_PROG($1, $tool_basename)
 329           if test "x[$]$1" = x; then
 330             AC_MSG_ERROR([User supplied tool $tool_basename could not be found])
 331           fi
 332         else
 333           # Otherwise we believe it is a complete path. Use it as it is.
 334           AC_MSG_NOTICE([Will use user supplied tool $1=$tool_specified])
 335           AC_MSG_CHECKING([for $1])
 336           if test ! -x "$tool_specified"; then
 337             AC_MSG_RESULT([not found])
 338             AC_MSG_ERROR([User supplied tool $1=$tool_specified does not exist or is not executable])
 339           fi
 340           AC_MSG_RESULT([$tool_specified])
 341         fi
 342       fi
 343     fi
 344     $3
 345   fi
 346 ])
 347 
 348 # Call BASIC_SETUP_TOOL with AC_PATH_PROGS to locate the tool
 349 # $1: variable to set
 350 # $2: executable name (or list of names) to look for
 351 AC_DEFUN([BASIC_PATH_PROGS],
 352 [
 353   BASIC_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2)])
 354 ])
 355 
 356 # Call BASIC_SETUP_TOOL with AC_CHECK_TOOLS to locate the tool
 357 # $1: variable to set
 358 # $2: executable name (or list of names) to look for
 359 AC_DEFUN([BASIC_CHECK_TOOLS],
 360 [
 361   BASIC_SETUP_TOOL($1, [AC_CHECK_TOOLS($1, $2)])
 362 ])
 363 
 364 # Like BASIC_PATH_PROGS but fails if no tool was found.
 365 # $1: variable to set
 366 # $2: executable name (or list of names) to look for
 367 AC_DEFUN([BASIC_REQUIRE_PROGS],
 368 [
 369   BASIC_PATH_PROGS($1, $2)
 370   BASIC_CHECK_NONEMPTY($1)
 371 ])
 372 
 373 # Like BASIC_SETUP_TOOL but fails if no tool was found.
 374 # $1: variable to set
 375 # $2: autoconf macro to call to look for the special tool
 376 AC_DEFUN([BASIC_REQUIRE_SPECIAL],
 377 [
 378   BASIC_SETUP_TOOL($1, [$2])
 379   BASIC_CHECK_NONEMPTY($1)
 380 ])
 381 
 382 # Setup the most fundamental tools that relies on not much else to set up,
 383 # but is used by much of the early bootstrap code.
 384 AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
 385 [
 386   # Start with tools that do not need have cross compilation support
 387   # and can be expected to be found in the default PATH. These tools are
 388   # used by configure.
 389 
 390   # First are all the simple required tools.
 391   BASIC_REQUIRE_PROGS(BASENAME, basename)
 392   BASIC_REQUIRE_PROGS(BASH, bash)
 393   BASIC_REQUIRE_PROGS(CAT, cat)
 394   BASIC_REQUIRE_PROGS(CHMOD, chmod)
 395   BASIC_REQUIRE_PROGS(CMP, cmp)
 396   BASIC_REQUIRE_PROGS(COMM, comm)
 397   BASIC_REQUIRE_PROGS(CP, cp)
 398   BASIC_REQUIRE_PROGS(CUT, cut)
 399   BASIC_REQUIRE_PROGS(DATE, date)
 400   BASIC_REQUIRE_PROGS(DIFF, [gdiff diff])
 401   BASIC_REQUIRE_PROGS(DIRNAME, dirname)
 402   BASIC_REQUIRE_PROGS(ECHO, echo)
 403   BASIC_REQUIRE_PROGS(EXPR, expr)
 404   BASIC_REQUIRE_PROGS(FILE, file)
 405   BASIC_REQUIRE_PROGS(FIND, find)
 406   BASIC_REQUIRE_PROGS(HEAD, head)
 407   BASIC_REQUIRE_PROGS(LN, ln)
 408   BASIC_REQUIRE_PROGS(LS, ls)
 409   BASIC_REQUIRE_PROGS(MKDIR, mkdir)
 410   BASIC_REQUIRE_PROGS(MKTEMP, mktemp)
 411   BASIC_REQUIRE_PROGS(MV, mv)
 412   BASIC_REQUIRE_PROGS(NAWK, [nawk gawk awk])
 413   BASIC_REQUIRE_PROGS(PRINTF, printf)
 414   BASIC_REQUIRE_PROGS(RM, rm)
 415   BASIC_REQUIRE_PROGS(RMDIR, rmdir)
 416   BASIC_REQUIRE_PROGS(SH, sh)
 417   BASIC_REQUIRE_PROGS(SORT, sort)
 418   BASIC_REQUIRE_PROGS(TAIL, tail)
 419   BASIC_REQUIRE_PROGS(TAR, tar)
 420   BASIC_REQUIRE_PROGS(TEE, tee)
 421   BASIC_REQUIRE_PROGS(TOUCH, touch)
 422   BASIC_REQUIRE_PROGS(TR, tr)
 423   BASIC_REQUIRE_PROGS(UNAME, uname)
 424   BASIC_REQUIRE_PROGS(UNIQ, uniq)
 425   BASIC_REQUIRE_PROGS(WC, wc)
 426   BASIC_REQUIRE_PROGS(WHICH, which)
 427   BASIC_REQUIRE_PROGS(XARGS, xargs)
 428 
 429   # Then required tools that require some special treatment.
 430   BASIC_REQUIRE_SPECIAL(AWK, [AC_PROG_AWK])
 431   BASIC_REQUIRE_SPECIAL(GREP, [AC_PROG_GREP])
 432   BASIC_REQUIRE_SPECIAL(EGREP, [AC_PROG_EGREP])
 433   BASIC_REQUIRE_SPECIAL(FGREP, [AC_PROG_FGREP])
 434   BASIC_REQUIRE_SPECIAL(SED, [AC_PROG_SED])
 435 
 436   # Always force rm.
 437   RM="$RM -f"
 438 
 439   # pwd behaves differently on various platforms and some don't support the -L flag.
 440   # Always use the bash builtin pwd to get uniform behavior.
 441   THEPWDCMD=pwd
 442 
 443   # These are not required on all platforms
 444   BASIC_PATH_PROGS(CYGPATH, cygpath)
 445   BASIC_PATH_PROGS(READLINK, [greadlink readlink])
 446   BASIC_PATH_PROGS(DF, df)
 447   BASIC_PATH_PROGS(CPIO, [cpio bsdcpio])
 448   BASIC_PATH_PROGS(NICE, nice)
 449 ])
 450 
 451 # Setup basic configuration paths, and platform-specific stuff related to PATHs.
 452 AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
 453 [
 454   # Save the current directory this script was started from
 455   CURDIR="$PWD"
 456 
 457   # We might need to rewrite ORIGINAL_PATH, if it includes "#", to quote them
 458   # for make. We couldn't do this when we retrieved ORIGINAL_PATH, since SED
 459   # was not available at that time.
 460   REWRITTEN_PATH=`$ECHO "$ORIGINAL_PATH" | $SED -e 's/#/\\\\#/g'`
 461   if test "x$REWRITTEN_PATH" != "x$ORIGINAL_PATH"; then
 462     ORIGINAL_PATH="$REWRITTEN_PATH"
 463     AC_MSG_NOTICE([Rewriting ORIGINAL_PATH to $REWRITTEN_PATH])
 464   fi
 465 
 466   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 467     PATH_SEP=";"
 468     BASIC_CHECK_PATHS_WINDOWS
 469   else
 470     PATH_SEP=":"
 471   fi
 472   AC_SUBST(PATH_SEP)
 473 
 474   # We get the top-level directory from the supporting wrappers.
 475   AC_MSG_CHECKING([for top-level directory])
 476   AC_MSG_RESULT([$TOPDIR])
 477   AC_SUBST(TOPDIR)
 478 
 479   # Save the original version of TOPDIR for string comparisons
 480   ORIGINAL_TOPDIR="$TOPDIR"
 481   AC_SUBST(ORIGINAL_TOPDIR)
 482 
 483   # We can only call BASIC_FIXUP_PATH after BASIC_CHECK_PATHS_WINDOWS.
 484   BASIC_FIXUP_PATH(CURDIR)
 485   BASIC_FIXUP_PATH(TOPDIR)
 486   # SRC_ROOT is a traditional alias for TOPDIR.
 487   SRC_ROOT=$TOPDIR
 488 
 489   # Calculate a canonical version of TOPDIR for string comparisons
 490   CANONICAL_TOPDIR=$TOPDIR
 491   BASIC_REMOVE_SYMBOLIC_LINKS([CANONICAL_TOPDIR])
 492   AC_SUBST(CANONICAL_TOPDIR)
 493 
 494   # Locate the directory of this script.
 495   AUTOCONF_DIR=$TOPDIR/common/autoconf
 496 ])
 497 
 498 # Evaluates platform specific overrides for devkit variables.
 499 # $1: Name of variable
 500 AC_DEFUN([BASIC_EVAL_DEVKIT_VARIABLE],
 501 [
 502   if test "x[$]$1" = x; then
 503     eval $1="\${$1_${OPENJDK_TARGET_CPU}}"
 504   fi
 505 ])
 506 
 507 AC_DEFUN_ONCE([BASIC_SETUP_DEVKIT],
 508 [
 509   AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
 510       [use this devkit for compilers, tools and resources])],
 511       [
 512         BASIC_FIXUP_PATH([with_devkit])
 513         DEVKIT_ROOT="$with_devkit"
 514         # Check for a meta data info file in the root of the devkit
 515         if test -f "$DEVKIT_ROOT/devkit.info"; then
 516           . $DEVKIT_ROOT/devkit.info
 517           # This potentially sets the following:
 518           # A descriptive name of the devkit
 519           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_NAME])
 520           # Corresponds to --with-extra-path
 521           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_EXTRA_PATH])
 522           # Corresponds to --with-toolchain-path
 523           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_TOOLCHAIN_PATH])
 524           # Corresponds to --with-sysroot
 525           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_SYSROOT])
 526 
 527           # Identifies the Visual Studio version in the devkit
 528           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_VS_VERSION])
 529           # The Visual Studio include environment variable
 530           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_VS_INCLUDE])
 531           # The Visual Studio lib environment variable
 532           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_VS_LIB])
 533           # Corresponds to --with-msvcr-dll
 534           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_MSVCR_DLL])
 535           # Corresponds to --with-msvcp-dll
 536           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_MSVCP_DLL])
 537         fi
 538 
 539         AC_MSG_CHECKING([for devkit])
 540         if test "x$DEVKIT_NAME" != x; then
 541           AC_MSG_RESULT([$DEVKIT_NAME in $DEVKIT_ROOT])
 542         else
 543           AC_MSG_RESULT([$DEVKIT_ROOT])
 544         fi
 545 
 546         BASIC_PREPEND_TO_PATH([EXTRA_PATH],$DEVKIT_EXTRA_PATH)
 547 
 548         # Fallback default of just /bin if DEVKIT_PATH is not defined
 549         if test "x$DEVKIT_TOOLCHAIN_PATH" = x; then
 550           DEVKIT_TOOLCHAIN_PATH="$DEVKIT_ROOT/bin"
 551         fi
 552         BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$DEVKIT_TOOLCHAIN_PATH)
 553 
 554         # If DEVKIT_SYSROOT is set, use that, otherwise try a couple of known
 555         # places for backwards compatiblity.
 556         if test "x$DEVKIT_SYSROOT" != x; then
 557           SYSROOT="$DEVKIT_SYSROOT"
 558         elif test -d "$DEVKIT_ROOT/$host_alias/libc"; then
 559           SYSROOT="$DEVKIT_ROOT/$host_alias/libc"
 560         elif test -d "$DEVKIT_ROOT/$host/sys-root"; then
 561           SYSROOT="$DEVKIT_ROOT/$host/sys-root"
 562         fi
 563       ]
 564   )
 565 
 566   # You can force the sysroot if the sysroot encoded into the compiler tools
 567   # is not correct.
 568   AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
 569       [alias for --with-sysroot for backwards compatability])],
 570       [SYSROOT=$with_sys_root]
 571   )
 572 
 573   AC_ARG_WITH(sysroot, [AS_HELP_STRING([--with-sysroot],
 574       [use this directory as sysroot])],
 575       [SYSROOT=$with_sysroot]
 576   )
 577 
 578   AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
 579       [alias for --with-toolchain-path for backwards compatibility])],
 580       [BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$with_tools_dir)]
 581   )
 582 
 583   AC_ARG_WITH([toolchain-path], [AS_HELP_STRING([--with-toolchain-path],
 584       [prepend these directories when searching for toolchain binaries (compilers etc)])],
 585       [BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$with_toolchain_path)]
 586   )
 587 
 588   AC_ARG_WITH([extra-path], [AS_HELP_STRING([--with-extra-path],
 589       [prepend these directories to the default path])],
 590       [BASIC_PREPEND_TO_PATH([EXTRA_PATH],$with_extra_path)]
 591   )
 592 
 593   if test "x$OPENJDK_BUILD_OS" = "xmacosx"; then
 594     # If a devkit has been supplied, find xcodebuild in the toolchain_path.
 595     # If not, detect if Xcode is installed by running xcodebuild -version
 596     # if no Xcode installed, xcodebuild exits with 1
 597     # if Xcode is installed, even if xcode-select is misconfigured, then it exits with 0
 598     if test "x$DEVKIT_ROOT" != x || /usr/bin/xcodebuild -version >/dev/null 2>&1; then
 599       # We need to use xcodebuild in the toolchain dir provided by the user, this will
 600       # fall back on the stub binary in /usr/bin/xcodebuild
 601       AC_PATH_PROG([XCODEBUILD], [xcodebuild], [/usr/bin/xcodebuild], [$TOOLCHAIN_PATH])
 602     else
 603       # this should result in SYSROOT being empty, unless --with-sysroot is provided
 604       # when only the command line tools are installed there are no SDKs, so headers
 605       # are copied into the system frameworks
 606       XCODEBUILD=
 607       AC_SUBST(XCODEBUILD)
 608     fi
 609 
 610     AC_MSG_CHECKING([for sdk name])
 611     AC_ARG_WITH([sdk-name], [AS_HELP_STRING([--with-sdk-name],
 612         [use the platform SDK of the given name. @<:@macosx@:>@])],
 613         [SDKNAME=$with_sdk_name]
 614     )
 615     AC_MSG_RESULT([$SDKNAME])
 616 
 617     # if toolchain path is specified then don't rely on system headers, they may not compile
 618     HAVE_SYSTEM_FRAMEWORK_HEADERS=0
 619     test -z "$TOOLCHAIN_PATH" && \
 620       HAVE_SYSTEM_FRAMEWORK_HEADERS=`test ! -f /System/Library/Frameworks/Foundation.framework/Headers/Foundation.h; echo $?`
 621 
 622     if test -z "$SYSROOT"; then
 623       if test -n "$XCODEBUILD"; then
 624         # if we don't have system headers, use default SDK name (last resort)
 625         if test -z "$SDKNAME" -a $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0; then
 626           SDKNAME=${SDKNAME:-macosx}
 627         fi
 628 
 629         if test -n "$SDKNAME"; then
 630           # Call xcodebuild to determine SYSROOT
 631           SYSROOT=`"$XCODEBUILD" -sdk $SDKNAME -version | grep '^Path: ' | sed 's/Path: //'`
 632         fi
 633       else
 634         if test $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0; then
 635           AC_MSG_ERROR([No xcodebuild tool and no system framework headers found, use --with-sysroot or --with-sdk-name to provide a path to a valid SDK])
 636         fi
 637       fi
 638     else
 639       # warn user if --with-sdk-name was also set
 640       if test -n "$with_sdk_name"; then
 641         AC_MSG_WARN([Both SYSROOT and --with-sdk-name are set, only SYSROOT will be used])
 642       fi
 643     fi
 644 
 645     if test $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0 -a -z "$SYSROOT"; then
 646       # If no system framework headers, then SYSROOT must be set, or we won't build
 647       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.])
 648     fi
 649 
 650     # Perform a basic sanity test
 651     if test ! -f "$SYSROOT/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h"; then
 652       if test -z "$SYSROOT"; then
 653         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])
 654       else
 655         AC_MSG_ERROR([Invalid SDK or SYSROOT path, dependent framework headers not found])
 656       fi
 657     fi
 658 
 659     # set SDKROOT too, Xcode tools will pick it up
 660     AC_SUBST(SDKROOT,$SYSROOT)
 661   fi
 662 
 663   # Prepend the extra path to the global path
 664   BASIC_PREPEND_TO_PATH([PATH],$EXTRA_PATH)
 665 
 666   if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
 667     # Add extra search paths on solaris for utilities like ar and as etc...
 668     PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
 669   fi
 670 
 671   AC_MSG_CHECKING([for sysroot])
 672   AC_MSG_RESULT([$SYSROOT])
 673   AC_MSG_CHECKING([for toolchain path])
 674   AC_MSG_RESULT([$TOOLCHAIN_PATH])
 675   AC_MSG_CHECKING([for extra path])
 676   AC_MSG_RESULT([$EXTRA_PATH])
 677 ])
 678 
 679 AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
 680 [
 681 
 682   AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
 683       [use this as the name of the configuration @<:@generated from important configuration options@:>@])],
 684       [ CONF_NAME=${with_conf_name} ])
 685 
 686   # Test from where we are running configure, in or outside of src root.
 687   AC_MSG_CHECKING([where to store configuration])
 688   if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \
 689       || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \
 690       || test "x$CURDIR" = "x$SRC_ROOT/make" ; then
 691     # We are running configure from the src root.
 692     # Create a default ./build/target-variant-debuglevel output root.
 693     if test "x${CONF_NAME}" = x; then
 694       AC_MSG_RESULT([in default location])
 695       CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
 696     else
 697       AC_MSG_RESULT([in build directory with custom name])
 698     fi
 699     OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
 700     $MKDIR -p "$OUTPUT_ROOT"
 701     if test ! -d "$OUTPUT_ROOT"; then
 702       AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
 703     fi
 704   else
 705     # We are running configure from outside of the src dir.
 706     # Then use the current directory as output dir!
 707     # If configuration is situated in normal build directory, just use the build
 708     # directory name as configuration name, otherwise use the complete path.
 709     if test "x${CONF_NAME}" = x; then
 710       CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
 711     fi
 712     OUTPUT_ROOT="$CURDIR"
 713     AC_MSG_RESULT([in current directory])
 714 
 715     # WARNING: This might be a bad thing to do. You need to be sure you want to
 716     # have a configuration in this directory. Do some sanity checks!
 717 
 718     if test ! -e "$OUTPUT_ROOT/spec.gmk"; then
 719       # If we have a spec.gmk, we have run here before and we are OK. Otherwise, check for
 720       # other files
 721       files_present=`$LS $OUTPUT_ROOT`
 722       # Configure has already touched config.log and confdefs.h in the current dir when this check
 723       # is performed.
 724       filtered_files=`$ECHO "$files_present" \
 725           | $SED -e 's/config.log//g' \
 726               -e 's/configure.log//g' \
 727               -e 's/confdefs.h//g' \
 728               -e 's/ //g' \
 729           | $TR -d '\n'`
 730       if test "x$filtered_files" != x; then
 731         AC_MSG_NOTICE([Current directory is $CURDIR.])
 732         AC_MSG_NOTICE([Since this is not the source root, configure will output the configuration here])
 733         AC_MSG_NOTICE([(as opposed to creating a configuration in <src_root>/build/<conf-name>).])
 734         AC_MSG_NOTICE([However, this directory is not empty. This is not allowed, since it could])
 735         AC_MSG_NOTICE([seriously mess up just about everything.])
 736         AC_MSG_NOTICE([Try 'cd $SRC_ROOT' and restart configure])
 737         AC_MSG_NOTICE([(or create a new empty directory and cd to it).])
 738         AC_MSG_ERROR([Will not continue creating configuration in $CURDIR])
 739       fi
 740     fi
 741   fi
 742   AC_MSG_CHECKING([what configuration name to use])
 743   AC_MSG_RESULT([$CONF_NAME])
 744 
 745   BASIC_FIXUP_PATH(OUTPUT_ROOT)
 746 
 747   CONFIGURESUPPORT_OUTPUTDIR="$OUTPUT_ROOT/configure-support"
 748   $MKDIR -p "$CONFIGURESUPPORT_OUTPUTDIR"
 749 
 750   AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
 751   AC_SUBST(CONF_NAME, $CONF_NAME)
 752   AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
 753   AC_SUBST(CONFIGURESUPPORT_OUTPUTDIR)
 754 
 755   # The spec.gmk file contains all variables for the make system.
 756   AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
 757   # The hotspot-spec.gmk file contains legacy variables for the hotspot make system.
 758   AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in])
 759   # The bootcycle-spec.gmk file contains support for boot cycle builds.
 760   AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in])
 761   # The compare.sh is used to compare the build output to other builds.
 762   AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in])
 763   # The generated Makefile knows where the spec.gmk is and where the source is.
 764   # You can run make from the OUTPUT_ROOT, or from the top-level Makefile
 765   # which will look for generated configurations
 766   AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
 767 ])
 768 
 769 #%%% Simple tools %%%
 770 
 771 # Check if we have found a usable version of make
 772 # $1: the path to a potential make binary (or empty)
 773 # $2: the description on how we found this
 774 AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
 775 [
 776   MAKE_CANDIDATE="$1"
 777   DESCRIPTION="$2"
 778 
 779   # On Cygwin, we require a newer version of make than on other platforms
 780   if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
 781     MAKE_VERSION_EXPR="-e 4\."
 782     MAKE_REQUIRED_VERSION="4.0"
 783    else
 784     MAKE_VERSION_EXPR="-e 3\.8[[12]] -e 4\."
 785     MAKE_REQUIRED_VERSION="3.81"
 786   fi
 787 
 788   if test "x$MAKE_CANDIDATE" != x; then
 789     AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
 790     MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
 791     IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
 792     if test "x$IS_GNU_MAKE" = x; then
 793       AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
 794     else
 795       IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP $MAKE_VERSION_EXPR`
 796       if test "x$IS_MODERN_MAKE" = x; then
 797         AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version $MAKE_REQUIRED_VERSION or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
 798       else
 799         if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
 800           if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
 801             MAKE_EXPECTED_ENV='cygwin'
 802           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
 803             MAKE_EXPECTED_ENV='msys'
 804           else
 805             AC_MSG_ERROR([Unknown Windows environment])
 806           fi
 807           MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
 808           IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
 809         else
 810           # Not relevant for non-Windows
 811           IS_MAKE_CORRECT_ENV=true
 812         fi
 813         if test "x$IS_MAKE_CORRECT_ENV" = x; then
 814           AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
 815         else
 816           FOUND_MAKE=$MAKE_CANDIDATE
 817           BASIC_FIXUP_EXECUTABLE(FOUND_MAKE)
 818         fi
 819       fi
 820     fi
 821   fi
 822 ])
 823 
 824 AC_DEFUN([BASIC_CHECK_MAKE_OUTPUT_SYNC],
 825 [
 826   # Check if make supports the output sync option and if so, setup using it.
 827   AC_MSG_CHECKING([if make --output-sync is supported])
 828   if $MAKE --version -O > /dev/null 2>&1; then
 829     OUTPUT_SYNC_SUPPORTED=true
 830     AC_MSG_RESULT([yes])
 831     AC_MSG_CHECKING([for output-sync value])
 832     AC_ARG_WITH([output-sync], [AS_HELP_STRING([--with-output-sync],
 833       [set make output sync type if supported by make. @<:@recurse@:>@])],
 834       [OUTPUT_SYNC=$with_output_sync])
 835     if test "x$OUTPUT_SYNC" = "x"; then
 836       OUTPUT_SYNC=none
 837     fi
 838     AC_MSG_RESULT([$OUTPUT_SYNC])
 839     if ! $MAKE --version -O$OUTPUT_SYNC > /dev/null 2>&1; then
 840       AC_MSG_ERROR([Make did not the support the value $OUTPUT_SYNC as output sync type.])
 841     fi
 842   else
 843     OUTPUT_SYNC_SUPPORTED=false
 844     AC_MSG_RESULT([no])
 845   fi
 846   AC_SUBST(OUTPUT_SYNC_SUPPORTED)
 847   AC_SUBST(OUTPUT_SYNC)
 848 ])
 849 
 850 # Goes looking for a usable version of GNU make.
 851 AC_DEFUN([BASIC_CHECK_GNU_MAKE],
 852 [
 853   BASIC_SETUP_TOOL([MAKE],
 854   [
 855     # Try our hardest to locate a correct version of GNU make
 856     AC_PATH_PROGS(CHECK_GMAKE, gmake)
 857     BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
 858 
 859     if test "x$FOUND_MAKE" = x; then
 860       AC_PATH_PROGS(CHECK_MAKE, make)
 861       BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
 862     fi
 863 
 864     if test "x$FOUND_MAKE" = x; then
 865       if test "x$TOOLCHAIN_PATH" != x; then
 866         # We have a toolchain path, check that as well before giving up.
 867         OLD_PATH=$PATH
 868         PATH=$TOOLCHAIN_PATH:$PATH
 869         AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
 870         BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
 871         if test "x$FOUND_MAKE" = x; then
 872           AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make)
 873           BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
 874         fi
 875         PATH=$OLD_PATH
 876       fi
 877     fi
 878 
 879     if test "x$FOUND_MAKE" = x; then
 880       AC_MSG_ERROR([Cannot find GNU make $MAKE_REQUIRED_VERSION or newer! Please put it in the path, or add e.g. MAKE=/opt/gmake3.81/make as argument to configure.])
 881     fi
 882   ],[
 883     # If MAKE was set by user, verify the version
 884     BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
 885     if test "x$FOUND_MAKE" = x; then
 886       AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make $MAKE_REQUIRED_VERSION or newer.])
 887     fi
 888   ])
 889 
 890   MAKE=$FOUND_MAKE
 891   AC_SUBST(MAKE)
 892   AC_MSG_NOTICE([Using GNU make at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
 893 
 894   BASIC_CHECK_MAKE_OUTPUT_SYNC
 895 ])
 896 
 897 AC_DEFUN([BASIC_CHECK_FIND_DELETE],
 898 [
 899   # Test if find supports -delete
 900   AC_MSG_CHECKING([if find supports -delete])
 901   FIND_DELETE="-delete"
 902 
 903   DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
 904 
 905   echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
 906 
 907   TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
 908   if test -f $DELETEDIR/TestIfFindSupportsDelete; then
 909     # No, it does not.
 910     rm $DELETEDIR/TestIfFindSupportsDelete
 911     if test "x$OPENJDK_TARGET_OS" = "xaix"; then
 912       # AIX 'find' is buggy if called with '-exec {} \+' and an empty file list
 913       FIND_DELETE="-print | xargs rm"
 914     else
 915       FIND_DELETE="-exec rm \{\} \+"
 916     fi
 917     AC_MSG_RESULT([no])
 918   else
 919     AC_MSG_RESULT([yes])
 920   fi
 921   rmdir $DELETEDIR
 922   AC_SUBST(FIND_DELETE)
 923 ])
 924 
 925 AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
 926 [
 927   BASIC_CHECK_GNU_MAKE
 928 
 929   BASIC_CHECK_FIND_DELETE
 930 
 931   # These tools might not be installed by default,
 932   # need hint on how to install them.
 933   BASIC_REQUIRE_PROGS(UNZIP, unzip)
 934   BASIC_REQUIRE_PROGS(ZIP, zip)
 935 
 936   # Non-required basic tools
 937 
 938   BASIC_PATH_PROGS(LDD, ldd)
 939   if test "x$LDD" = "x"; then
 940     # List shared lib dependencies is used for
 941     # debug output and checking for forbidden dependencies.
 942     # We can build without it.
 943     LDD="true"
 944   fi
 945   BASIC_PATH_PROGS(OTOOL, otool)
 946   if test "x$OTOOL" = "x"; then
 947     OTOOL="true"
 948   fi
 949   BASIC_PATH_PROGS(READELF, [greadelf readelf])
 950   BASIC_PATH_PROGS(HG, hg)
 951   BASIC_PATH_PROGS(STAT, stat)
 952   BASIC_PATH_PROGS(TIME, time)
 953   BASIC_PATH_PROGS(PATCH, [gpatch patch])
 954   # Check if it's GNU time
 955   IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU time'`
 956   if test "x$IS_GNU_TIME" != x; then
 957     IS_GNU_TIME=yes
 958   else
 959     IS_GNU_TIME=no
 960   fi
 961   AC_SUBST(IS_GNU_TIME)
 962 
 963   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
 964     BASIC_REQUIRE_PROGS(DSYMUTIL, dsymutil)
 965     BASIC_REQUIRE_PROGS(XATTR, xattr)
 966     BASIC_PATH_PROGS(CODESIGN, codesign)
 967     if test "x$CODESIGN" != "x"; then
 968       # Verify that the openjdk_codesign certificate is present
 969       AC_MSG_CHECKING([if openjdk_codesign certificate is present])
 970       rm -f codesign-testfile
 971       touch codesign-testfile
 972       codesign -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN=
 973       rm -f codesign-testfile
 974       if test "x$CODESIGN" = x; then
 975         AC_MSG_RESULT([no])
 976       else
 977         AC_MSG_RESULT([yes])
 978       fi
 979     fi
 980     BASIC_REQUIRE_PROGS(SETFILE, SetFile)
 981   fi
 982 ])
 983 
 984 # Check if build directory is on local disk. If not possible to determine,
 985 # we prefer to claim it's local.
 986 # Argument 1: directory to test
 987 # Argument 2: what to do if it is on local disk
 988 # Argument 3: what to do otherwise (remote disk or failure)
 989 AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
 990 [
 991   # df -l lists only local disks; if the given directory is not found then
 992   # a non-zero exit code is given
 993   if test "x$DF" = x; then
 994     if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
 995       # msys does not have df; use Windows "net use" instead.
 996       IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:`
 997       if test "x$IS_NETWORK_DISK" = x; then
 998         $2
 999       else
1000         $3
1001       fi
1002     else
1003       # No df here, say it's local
1004       $2
1005     fi
1006   else
1007     if $DF -l $1 > /dev/null 2>&1; then
1008       $2
1009     else
1010       $3
1011     fi
1012   fi
1013 ])
1014 
1015 # Check that source files have basic read permissions set. This might
1016 # not be the case in cygwin in certain conditions.
1017 AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS],
1018 [
1019   if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
1020     file_to_test="$SRC_ROOT/LICENSE"
1021     if test `$STAT -c '%a' "$file_to_test"` -lt 400; then
1022       AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.])
1023     fi
1024   fi
1025 ])
1026 
1027 AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
1028 [
1029   # Did user specify any unknown variables?
1030   BASIC_CHECK_LEFTOVER_OVERRIDDEN
1031 
1032   AC_MSG_CHECKING([if build directory is on local disk])
1033   BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
1034       [OUTPUT_DIR_IS_LOCAL="yes"],
1035       [OUTPUT_DIR_IS_LOCAL="no"])
1036   AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
1037 
1038   BASIC_CHECK_SRC_PERMS
1039 
1040   # Check if the user has any old-style ALT_ variables set.
1041   FOUND_ALT_VARIABLES=`env | grep ^ALT_`
1042 
1043   # Before generating output files, test if they exist. If they do, this is a reconfigure.
1044   # Since we can't properly handle the dependencies for this, warn the user about the situation
1045   if test -e $OUTPUT_ROOT/spec.gmk; then
1046     IS_RECONFIGURE=yes
1047   else
1048     IS_RECONFIGURE=no
1049   fi
1050 ])
1051 
1052 # Check for support for specific options in bash
1053 AC_DEFUN_ONCE([BASIC_CHECK_BASH_OPTIONS],
1054 [
1055   # Test if bash supports pipefail.
1056   AC_MSG_CHECKING([if bash supports pipefail])
1057   if ${BASH} -c 'set -o pipefail'; then
1058     BASH_ARGS="$BASH_ARGS -o pipefail"
1059     AC_MSG_RESULT([yes])
1060   else
1061     AC_MSG_RESULT([no])
1062   fi
1063 
1064   AC_MSG_CHECKING([if bash supports errexit (-e)])
1065   if ${BASH} -e -c 'true'; then
1066     BASH_ARGS="$BASH_ARGS -e"
1067     AC_MSG_RESULT([yes])
1068   else
1069     AC_MSG_RESULT([no])
1070   fi
1071 
1072   AC_SUBST(BASH_ARGS)
1073 ])
1074 
1075 # Code to run after AC_OUTPUT
1076 AC_DEFUN_ONCE([BASIC_POST_CONFIG_OUTPUT],
1077 [
1078   # Try to move config.log (generated by autoconf) to the configure-support directory.
1079   if test -e ./config.log; then
1080     $MV -f ./config.log "$CONFIGURESUPPORT_OUTPUTDIR/config.log" 2> /dev/null
1081   fi
1082 
1083   # Rotate our log file (configure.log)
1084   if test -e "$OUTPUT_ROOT/configure.log.old"; then
1085     $RM -f "$OUTPUT_ROOT/configure.log.old"
1086   fi
1087   if test -e "$OUTPUT_ROOT/configure.log"; then
1088     $MV -f "$OUTPUT_ROOT/configure.log" "$OUTPUT_ROOT/configure.log.old" 2> /dev/null
1089   fi
1090 
1091   # Move configure.log from current directory to the build output root
1092   if test -e ./configure.log; then
1093     echo found it
1094     $MV -f ./configure.log "$OUTPUT_ROOT/configure.log" 2> /dev/null
1095   fi
1096 
1097   # Make the compare script executable
1098   $CHMOD +x $OUTPUT_ROOT/compare.sh
1099 ])
--- EOF ---