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       if test -d "$path"; then
 103         $1="`cd "$path"; $THEPWDCMD -L`"
 104       else
 105         dir="`$DIRNAME "$path"`"
 106         base="`$BASENAME "$path"`"
 107         $1="`cd "$dir"; $THEPWDCMD -L`/$base"
 108       fi
 109     fi
 110   fi
 111 ])
 112 
 113 # This will make sure the given variable points to a executable
 114 # with a full and proper path. This means:
 115 # 1) There will be no spaces in the path. On unix platforms,
 116 #    spaces in the path will result in an error. On Windows,
 117 #    the path will be rewritten using short-style to be space-free.
 118 # 2) The path will be absolute, and it will be in unix-style (on
 119 #     cygwin).
 120 # Any arguments given to the executable is preserved.
 121 # If the input variable does not have a directory specification, then
 122 # it need to be in the PATH.
 123 # $1: The name of the variable to fix
 124 AC_DEFUN([BASIC_FIXUP_EXECUTABLE],
 125 [
 126   # Only process if variable expands to non-empty
 127 
 128   if test "x[$]$1" != x; then
 129     if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
 130       BASIC_FIXUP_EXECUTABLE_CYGWIN($1)
 131     elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
 132       BASIC_FIXUP_EXECUTABLE_MSYS($1)
 133     else
 134       # We're on a unix platform. Hooray! :)
 135       # First separate the path from the arguments. This will split at the first
 136       # space.
 137       complete="[$]$1"
 138       path="${complete%% *}"
 139       tmp="$complete EOL"
 140       arguments="${tmp#* }"
 141 
 142       # Cannot rely on the command "which" here since it doesn't always work.
 143       is_absolute_path=`$ECHO "$path" | $GREP ^/`
 144       if test -z "$is_absolute_path"; then
 145         # Path to executable is not absolute. Find it.
 146         IFS_save="$IFS"
 147         IFS=:
 148         for p in $PATH; do
 149           if test -f "$p/$path" && test -x "$p/$path"; then
 150             new_path="$p/$path"
 151             break
 152           fi
 153         done
 154         IFS="$IFS_save"
 155       else
 156         # This is an absolute path, we can use it without further modifications.
 157         new_path="$path"
 158       fi
 159 
 160       if test "x$new_path" = x; then
 161         AC_MSG_NOTICE([The path of $1, which resolves as "$complete", is not found.])
 162         has_space=`$ECHO "$complete" | $GREP " "`
 163         if test "x$has_space" != x; then
 164           AC_MSG_NOTICE([This might be caused by spaces in the path, which is not allowed.])
 165         fi
 166         AC_MSG_ERROR([Cannot locate the the path of $1])
 167       fi
 168     fi
 169 
 170     # Now join together the path and the arguments once again
 171     if test "x$arguments" != xEOL; then
 172       new_complete="$new_path ${arguments% *}"
 173     else
 174       new_complete="$new_path"
 175     fi
 176 
 177     if test "x$complete" != "x$new_complete"; then
 178       $1="$new_complete"
 179       AC_MSG_NOTICE([Rewriting $1 to "$new_complete"])
 180     fi
 181   fi
 182 ])
 183 
 184 AC_DEFUN([BASIC_REMOVE_SYMBOLIC_LINKS],
 185 [
 186   if test "x$OPENJDK_BUILD_OS" != xwindows; then
 187     # Follow a chain of symbolic links. Use readlink
 188     # where it exists, else fall back to horribly
 189     # complicated shell code.
 190     if test "x$READLINK_TESTED" != yes; then
 191       # On MacOSX there is a readlink tool with a different
 192       # purpose than the GNU readlink tool. Check the found readlink.
 193       ISGNU=`$READLINK --version 2>&1 | $GREP GNU`
 194       if test "x$ISGNU" = x; then
 195         # A readlink that we do not know how to use.
 196         # Are there other non-GNU readlinks out there?
 197         READLINK_TESTED=yes
 198         READLINK=
 199       fi
 200     fi
 201 
 202     if test "x$READLINK" != x; then
 203       $1=`$READLINK -f [$]$1`
 204     else
 205       # Save the current directory for restoring afterwards
 206       STARTDIR=$PWD
 207       COUNTER=0
 208       sym_link_dir=`$DIRNAME [$]$1`
 209       sym_link_file=`$BASENAME [$]$1`
 210       cd $sym_link_dir
 211       # Use -P flag to resolve symlinks in directories.
 212       cd `$THEPWDCMD -P`
 213       sym_link_dir=`$THEPWDCMD -P`
 214       # Resolve file symlinks
 215       while test $COUNTER -lt 20; do
 216         ISLINK=`$LS -l $sym_link_dir/$sym_link_file | $GREP '\->' | $SED -e 's/.*-> \(.*\)/\1/'`
 217         if test "x$ISLINK" == x; then
 218           # This is not a symbolic link! We are done!
 219           break
 220         fi
 221         # Again resolve directory symlinks since the target of the just found
 222         # link could be in a different directory
 223         cd `$DIRNAME $ISLINK`
 224         sym_link_dir=`$THEPWDCMD -P`
 225         sym_link_file=`$BASENAME $ISLINK`
 226         let COUNTER=COUNTER+1
 227       done
 228       cd $STARTDIR
 229       $1=$sym_link_dir/$sym_link_file
 230     fi
 231   fi
 232 ])
 233 
 234 # Register a --with argument but mark it as deprecated
 235 # $1: The name of the with argument to deprecate, not including --with-
 236 AC_DEFUN([BASIC_DEPRECATED_ARG_WITH],
 237 [
 238   AC_ARG_WITH($1, [AS_HELP_STRING([--with-$1],
 239       [Deprecated. Option is kept for backwards compatibility and is ignored])],
 240       [AC_MSG_WARN([Option --with-$1 is deprecated and will be ignored.])])
 241 ])
 242 
 243 # Register a --enable argument but mark it as deprecated
 244 # $1: The name of the with argument to deprecate, not including --enable-
 245 # $2: The name of the argument to deprecate, in shell variable style (i.e. with _ instead of -)
 246 # $3: Messages to user.
 247 AC_DEFUN([BASIC_DEPRECATED_ARG_ENABLE],
 248 [
 249   AC_ARG_ENABLE($1, [AS_HELP_STRING([--enable-$1],
 250       [Deprecated. Option is kept for backwards compatibility and is ignored])])
 251   if test "x$enable_$2" != x; then
 252     AC_MSG_WARN([Option --enable-$1 is deprecated and will be ignored.])
 253 
 254     if test "x$3" != x; then
 255       AC_MSG_WARN([$3])
 256     fi
 257 
 258   fi
 259 ])
 260 
 261 AC_DEFUN_ONCE([BASIC_INIT],
 262 [
 263   # Save the original command line. This is passed to us by the wrapper configure script.
 264   AC_SUBST(CONFIGURE_COMMAND_LINE)
 265   # Save the path variable before it gets changed
 266   ORIGINAL_PATH="$PATH"
 267   AC_SUBST(ORIGINAL_PATH)
 268   DATE_WHEN_CONFIGURED=`LANG=C date`
 269   AC_SUBST(DATE_WHEN_CONFIGURED)
 270   AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.])
 271   AC_MSG_NOTICE([configure script generated at timestamp $DATE_WHEN_GENERATED.])
 272 ])
 273 
 274 # Test that variable $1 denoting a program is not empty. If empty, exit with an error.
 275 # $1: variable to check
 276 AC_DEFUN([BASIC_CHECK_NONEMPTY],
 277 [
 278   if test "x[$]$1" = x; then
 279     AC_MSG_ERROR([Could not find required tool for $1])
 280   fi
 281 ])
 282 
 283 # Check that there are no unprocessed overridden variables left.
 284 # If so, they are an incorrect argument and we will exit with an error.
 285 AC_DEFUN([BASIC_CHECK_LEFTOVER_OVERRIDDEN],
 286 [
 287   if test "x$CONFIGURE_OVERRIDDEN_VARIABLES" != x; then
 288     # Replace the separating ! with spaces before presenting for end user.
 289     unknown_variables=${CONFIGURE_OVERRIDDEN_VARIABLES//!/ }
 290     AC_MSG_WARN([The following variables might be unknown to configure: $unknown_variables])
 291   fi
 292 ])
 293 
 294 # Setup a tool for the given variable. If correctly specified by the user,
 295 # use that value, otherwise search for the tool using the supplied code snippet.
 296 # $1: variable to set
 297 # $2: code snippet to call to look for the tool
 298 # $3: code snippet to call if variable was used to find tool
 299 AC_DEFUN([BASIC_SETUP_TOOL],
 300 [
 301   # Publish this variable in the help.
 302   AC_ARG_VAR($1, [Override default value for $1])
 303 
 304   if [[ -z "${$1+x}" ]]; then
 305     # The variable is not set by user, try to locate tool using the code snippet
 306     $2
 307   else
 308     # The variable is set, but is it from the command line or the environment?
 309 
 310     # Try to remove the string !$1! from our list.
 311     try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!$1!/}
 312     if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
 313       # If it failed, the variable was not from the command line. Ignore it,
 314       # but warn the user (except for BASH, which is always set by the calling BASH).
 315       if test "x$1" != xBASH; then
 316         AC_MSG_WARN([Ignoring value of $1 from the environment. Use command line variables instead.])
 317       fi
 318       # Try to locate tool using the code snippet
 319       $2
 320     else
 321       # If it succeeded, then it was overridden by the user. We will use it
 322       # for the tool.
 323 
 324       # First remove it from the list of overridden variables, so we can test
 325       # for unknown variables in the end.
 326       CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
 327 
 328       # Check if we try to supply an empty value
 329       if test "x[$]$1" = x; then
 330         AC_MSG_NOTICE([Setting user supplied tool $1= (no value)])
 331         AC_MSG_CHECKING([for $1])
 332         AC_MSG_RESULT([disabled])
 333       else
 334         # Check if the provided tool contains a complete path.
 335         tool_specified="[$]$1"
 336         tool_basename="${tool_specified##*/}"
 337         if test "x$tool_basename" = "x$tool_specified"; then
 338           # A command without a complete path is provided, search $PATH.
 339           AC_MSG_NOTICE([Will search for user supplied tool $1=$tool_basename])
 340           AC_PATH_PROG($1, $tool_basename)
 341           if test "x[$]$1" = x; then
 342             AC_MSG_ERROR([User supplied tool $tool_basename could not be found])
 343           fi
 344         else
 345           # Otherwise we believe it is a complete path. Use it as it is.
 346           AC_MSG_NOTICE([Will use user supplied tool $1=$tool_specified])
 347           AC_MSG_CHECKING([for $1])
 348           if test ! -x "$tool_specified"; then
 349             AC_MSG_RESULT([not found])
 350             AC_MSG_ERROR([User supplied tool $1=$tool_specified does not exist or is not executable])
 351           fi
 352           AC_MSG_RESULT([$tool_specified])
 353         fi
 354       fi
 355     fi
 356     $3
 357   fi
 358 ])
 359 
 360 # Call BASIC_SETUP_TOOL with AC_PATH_PROGS to locate the tool
 361 # $1: variable to set
 362 # $2: executable name (or list of names) to look for
 363 AC_DEFUN([BASIC_PATH_PROGS],
 364 [
 365   BASIC_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2)])
 366 ])
 367 
 368 # Call BASIC_SETUP_TOOL with AC_CHECK_TOOLS to locate the tool
 369 # $1: variable to set
 370 # $2: executable name (or list of names) to look for
 371 AC_DEFUN([BASIC_CHECK_TOOLS],
 372 [
 373   BASIC_SETUP_TOOL($1, [AC_CHECK_TOOLS($1, $2)])
 374 ])
 375 
 376 # Like BASIC_PATH_PROGS but fails if no tool was found.
 377 # $1: variable to set
 378 # $2: executable name (or list of names) to look for
 379 AC_DEFUN([BASIC_REQUIRE_PROGS],
 380 [
 381   BASIC_PATH_PROGS($1, $2)
 382   BASIC_CHECK_NONEMPTY($1)
 383 ])
 384 
 385 # Like BASIC_SETUP_TOOL but fails if no tool was found.
 386 # $1: variable to set
 387 # $2: autoconf macro to call to look for the special tool
 388 AC_DEFUN([BASIC_REQUIRE_SPECIAL],
 389 [
 390   BASIC_SETUP_TOOL($1, [$2])
 391   BASIC_CHECK_NONEMPTY($1)
 392 ])
 393 
 394 # Setup the most fundamental tools that relies on not much else to set up,
 395 # but is used by much of the early bootstrap code.
 396 AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
 397 [
 398   # Start with tools that do not need have cross compilation support
 399   # and can be expected to be found in the default PATH. These tools are
 400   # used by configure.
 401 
 402   # First are all the simple required tools.
 403   BASIC_REQUIRE_PROGS(BASENAME, basename)
 404   BASIC_REQUIRE_PROGS(BASH, bash)
 405   BASIC_REQUIRE_PROGS(CAT, cat)
 406   BASIC_REQUIRE_PROGS(CHMOD, chmod)
 407   BASIC_REQUIRE_PROGS(CMP, cmp)
 408   BASIC_REQUIRE_PROGS(COMM, comm)
 409   BASIC_REQUIRE_PROGS(CP, cp)
 410   BASIC_REQUIRE_PROGS(CUT, cut)
 411   BASIC_REQUIRE_PROGS(DATE, date)
 412   BASIC_REQUIRE_PROGS(DIFF, [gdiff diff])
 413   BASIC_REQUIRE_PROGS(DIRNAME, dirname)
 414   BASIC_REQUIRE_PROGS(ECHO, echo)
 415   BASIC_REQUIRE_PROGS(EXPR, expr)
 416   BASIC_REQUIRE_PROGS(FILE, file)
 417   BASIC_REQUIRE_PROGS(FIND, find)
 418   BASIC_REQUIRE_PROGS(HEAD, head)
 419   BASIC_REQUIRE_PROGS(LN, ln)
 420   BASIC_REQUIRE_PROGS(LS, ls)
 421   BASIC_REQUIRE_PROGS(MKDIR, mkdir)
 422   BASIC_REQUIRE_PROGS(MKTEMP, mktemp)
 423   BASIC_REQUIRE_PROGS(MV, mv)
 424   BASIC_REQUIRE_PROGS(NAWK, [nawk gawk awk])
 425   BASIC_REQUIRE_PROGS(PRINTF, printf)
 426   BASIC_REQUIRE_PROGS(RM, rm)
 427   BASIC_REQUIRE_PROGS(RMDIR, rmdir)
 428   BASIC_REQUIRE_PROGS(SH, sh)
 429   BASIC_REQUIRE_PROGS(SORT, sort)
 430   BASIC_REQUIRE_PROGS(TAIL, tail)
 431   BASIC_REQUIRE_PROGS(TAR, tar)
 432   BASIC_REQUIRE_PROGS(TEE, tee)
 433   BASIC_REQUIRE_PROGS(TOUCH, touch)
 434   BASIC_REQUIRE_PROGS(TR, tr)
 435   BASIC_REQUIRE_PROGS(UNAME, uname)
 436   BASIC_REQUIRE_PROGS(UNIQ, uniq)
 437   BASIC_REQUIRE_PROGS(WC, wc)
 438   BASIC_REQUIRE_PROGS(WHICH, which)
 439   BASIC_REQUIRE_PROGS(XARGS, xargs)
 440 
 441   # Then required tools that require some special treatment.
 442   BASIC_REQUIRE_SPECIAL(AWK, [AC_PROG_AWK])
 443   BASIC_REQUIRE_SPECIAL(GREP, [AC_PROG_GREP])
 444   BASIC_REQUIRE_SPECIAL(EGREP, [AC_PROG_EGREP])
 445   BASIC_REQUIRE_SPECIAL(FGREP, [AC_PROG_FGREP])
 446   BASIC_REQUIRE_SPECIAL(SED, [AC_PROG_SED])
 447 
 448   # Always force rm.
 449   RM="$RM -f"
 450 
 451   # pwd behaves differently on various platforms and some don't support the -L flag.
 452   # Always use the bash builtin pwd to get uniform behavior.
 453   THEPWDCMD=pwd
 454 
 455   # These are not required on all platforms
 456   BASIC_PATH_PROGS(CYGPATH, cygpath)
 457   BASIC_PATH_PROGS(READLINK, [greadlink readlink])
 458   BASIC_PATH_PROGS(DF, df)
 459   BASIC_PATH_PROGS(CPIO, [cpio bsdcpio])
 460   BASIC_PATH_PROGS(NICE, nice)
 461 ])
 462 
 463 # Setup basic configuration paths, and platform-specific stuff related to PATHs.
 464 AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
 465 [
 466   # Save the current directory this script was started from
 467   CURDIR="$PWD"
 468 
 469   # We might need to rewrite ORIGINAL_PATH, if it includes "#", to quote them
 470   # for make. We couldn't do this when we retrieved ORIGINAL_PATH, since SED
 471   # was not available at that time.
 472   REWRITTEN_PATH=`$ECHO "$ORIGINAL_PATH" | $SED -e 's/#/\\\\#/g'`
 473   if test "x$REWRITTEN_PATH" != "x$ORIGINAL_PATH"; then
 474     ORIGINAL_PATH="$REWRITTEN_PATH"
 475     AC_MSG_NOTICE([Rewriting ORIGINAL_PATH to $REWRITTEN_PATH])
 476   fi
 477 
 478   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 479     PATH_SEP=";"
 480     BASIC_CHECK_PATHS_WINDOWS
 481   else
 482     PATH_SEP=":"
 483   fi
 484   AC_SUBST(PATH_SEP)
 485 
 486   # We get the top-level directory from the supporting wrappers.
 487   AC_MSG_CHECKING([for top-level directory])
 488   AC_MSG_RESULT([$TOPDIR])
 489   AC_SUBST(TOPDIR)
 490 
 491   # Save the original version of TOPDIR for string comparisons
 492   ORIGINAL_TOPDIR="$TOPDIR"
 493   AC_SUBST(ORIGINAL_TOPDIR)
 494 
 495   # We can only call BASIC_FIXUP_PATH after BASIC_CHECK_PATHS_WINDOWS.
 496   BASIC_FIXUP_PATH(CURDIR)
 497   BASIC_FIXUP_PATH(TOPDIR)
 498   # SRC_ROOT is a traditional alias for TOPDIR.
 499   SRC_ROOT=$TOPDIR
 500 
 501   # Calculate a canonical version of TOPDIR for string comparisons
 502   CANONICAL_TOPDIR=$TOPDIR
 503   BASIC_REMOVE_SYMBOLIC_LINKS([CANONICAL_TOPDIR])
 504   AC_SUBST(CANONICAL_TOPDIR)
 505 
 506   # Locate the directory of this script.
 507   AUTOCONF_DIR=$TOPDIR/common/autoconf
 508 ])
 509 
 510 # Evaluates platform specific overrides for devkit variables.
 511 # $1: Name of variable
 512 AC_DEFUN([BASIC_EVAL_DEVKIT_VARIABLE],
 513 [
 514   if test "x[$]$1" = x; then
 515     eval $1="\${$1_${OPENJDK_TARGET_CPU}}"
 516   fi
 517 ])
 518 
 519 AC_DEFUN_ONCE([BASIC_SETUP_DEVKIT],
 520 [
 521   AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
 522       [use this devkit for compilers, tools and resources])],
 523       [
 524         BASIC_FIXUP_PATH([with_devkit])
 525         DEVKIT_ROOT="$with_devkit"
 526         # Check for a meta data info file in the root of the devkit
 527         if test -f "$DEVKIT_ROOT/devkit.info"; then
 528           . $DEVKIT_ROOT/devkit.info
 529           # This potentially sets the following:
 530           # A descriptive name of the devkit
 531           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_NAME])
 532           # Corresponds to --with-extra-path
 533           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_EXTRA_PATH])
 534           # Corresponds to --with-toolchain-path
 535           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_TOOLCHAIN_PATH])
 536           # Corresponds to --with-sysroot
 537           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_SYSROOT])
 538 
 539           # Identifies the Visual Studio version in the devkit
 540           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_VS_VERSION])
 541           # The Visual Studio include environment variable
 542           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_VS_INCLUDE])
 543           # The Visual Studio lib environment variable
 544           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_VS_LIB])
 545           # Corresponds to --with-msvcr-dll
 546           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_MSVCR_DLL])
 547           # Corresponds to --with-msvcp-dll
 548           BASIC_EVAL_DEVKIT_VARIABLE([DEVKIT_MSVCP_DLL])
 549         fi
 550 
 551         AC_MSG_CHECKING([for devkit])
 552         if test "x$DEVKIT_NAME" != x; then
 553           AC_MSG_RESULT([$DEVKIT_NAME in $DEVKIT_ROOT])
 554         else
 555           AC_MSG_RESULT([$DEVKIT_ROOT])
 556         fi
 557 
 558         BASIC_PREPEND_TO_PATH([EXTRA_PATH],$DEVKIT_EXTRA_PATH)
 559 
 560         # Fallback default of just /bin if DEVKIT_PATH is not defined
 561         if test "x$DEVKIT_TOOLCHAIN_PATH" = x; then
 562           DEVKIT_TOOLCHAIN_PATH="$DEVKIT_ROOT/bin"
 563         fi
 564         BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$DEVKIT_TOOLCHAIN_PATH)
 565 
 566         # If DEVKIT_SYSROOT is set, use that, otherwise try a couple of known
 567         # places for backwards compatiblity.
 568         if test "x$DEVKIT_SYSROOT" != x; then
 569           SYSROOT="$DEVKIT_SYSROOT"
 570         elif test -d "$DEVKIT_ROOT/$host_alias/libc"; then
 571           SYSROOT="$DEVKIT_ROOT/$host_alias/libc"
 572         elif test -d "$DEVKIT_ROOT/$host/sys-root"; then
 573           SYSROOT="$DEVKIT_ROOT/$host/sys-root"
 574         fi
 575       ]
 576   )
 577 
 578   # You can force the sysroot if the sysroot encoded into the compiler tools
 579   # is not correct.
 580   AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
 581       [alias for --with-sysroot for backwards compatability])],
 582       [SYSROOT=$with_sys_root]
 583   )
 584 
 585   AC_ARG_WITH(sysroot, [AS_HELP_STRING([--with-sysroot],
 586       [use this directory as sysroot])],
 587       [SYSROOT=$with_sysroot]
 588   )
 589 
 590   AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
 591       [alias for --with-toolchain-path for backwards compatibility])],
 592       [BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$with_tools_dir)]
 593   )
 594 
 595   AC_ARG_WITH([toolchain-path], [AS_HELP_STRING([--with-toolchain-path],
 596       [prepend these directories when searching for toolchain binaries (compilers etc)])],
 597       [BASIC_PREPEND_TO_PATH([TOOLCHAIN_PATH],$with_toolchain_path)]
 598   )
 599 
 600   AC_ARG_WITH([extra-path], [AS_HELP_STRING([--with-extra-path],
 601       [prepend these directories to the default path])],
 602       [BASIC_PREPEND_TO_PATH([EXTRA_PATH],$with_extra_path)]
 603   )
 604 
 605   if test "x$OPENJDK_BUILD_OS" = "xmacosx"; then
 606     # If a devkit has been supplied, find xcodebuild in the toolchain_path.
 607     # If not, detect if Xcode is installed by running xcodebuild -version
 608     # if no Xcode installed, xcodebuild exits with 1
 609     # if Xcode is installed, even if xcode-select is misconfigured, then it exits with 0
 610     if test "x$DEVKIT_ROOT" != x || /usr/bin/xcodebuild -version >/dev/null 2>&1; then
 611       # We need to use xcodebuild in the toolchain dir provided by the user, this will
 612       # fall back on the stub binary in /usr/bin/xcodebuild
 613       AC_PATH_PROG([XCODEBUILD], [xcodebuild], [/usr/bin/xcodebuild], [$TOOLCHAIN_PATH])
 614     else
 615       # this should result in SYSROOT being empty, unless --with-sysroot is provided
 616       # when only the command line tools are installed there are no SDKs, so headers
 617       # are copied into the system frameworks
 618       XCODEBUILD=
 619       AC_SUBST(XCODEBUILD)
 620     fi
 621 
 622     AC_MSG_CHECKING([for sdk name])
 623     AC_ARG_WITH([sdk-name], [AS_HELP_STRING([--with-sdk-name],
 624         [use the platform SDK of the given name. @<:@macosx@:>@])],
 625         [SDKNAME=$with_sdk_name]
 626     )
 627     AC_MSG_RESULT([$SDKNAME])
 628 
 629     # if toolchain path is specified then don't rely on system headers, they may not compile
 630     HAVE_SYSTEM_FRAMEWORK_HEADERS=0
 631     test -z "$TOOLCHAIN_PATH" && \
 632       HAVE_SYSTEM_FRAMEWORK_HEADERS=`test ! -f /System/Library/Frameworks/Foundation.framework/Headers/Foundation.h; echo $?`
 633 
 634     if test -z "$SYSROOT"; then
 635       if test -n "$XCODEBUILD"; then
 636         # if we don't have system headers, use default SDK name (last resort)
 637         if test -z "$SDKNAME" -a $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0; then
 638           SDKNAME=${SDKNAME:-macosx}
 639         fi
 640 
 641         if test -n "$SDKNAME"; then
 642           # Call xcodebuild to determine SYSROOT
 643           SYSROOT=`"$XCODEBUILD" -sdk $SDKNAME -version | grep '^Path: ' | sed 's/Path: //'`
 644         fi
 645       else
 646         if test $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0; then
 647           AC_MSG_ERROR([No xcodebuild tool and no system framework headers found, use --with-sysroot or --with-sdk-name to provide a path to a valid SDK])
 648         fi
 649       fi
 650     else
 651       # warn user if --with-sdk-name was also set
 652       if test -n "$with_sdk_name"; then
 653         AC_MSG_WARN([Both SYSROOT and --with-sdk-name are set, only SYSROOT will be used])
 654       fi
 655     fi
 656 
 657     if test $HAVE_SYSTEM_FRAMEWORK_HEADERS -eq 0 -a -z "$SYSROOT"; then
 658       # If no system framework headers, then SYSROOT must be set, or we won't build
 659       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.])
 660     fi
 661 
 662     # Perform a basic sanity test
 663     if test ! -f "$SYSROOT/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h"; then
 664       if test -z "$SYSROOT"; then
 665         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])
 666       else
 667         AC_MSG_ERROR([Invalid SDK or SYSROOT path, dependent framework headers not found])
 668       fi
 669     fi
 670 
 671     # set SDKROOT too, Xcode tools will pick it up
 672     AC_SUBST(SDKROOT,$SYSROOT)
 673   fi
 674 
 675   # Prepend the extra path to the global path
 676   BASIC_PREPEND_TO_PATH([PATH],$EXTRA_PATH)
 677 
 678   if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
 679     # Add extra search paths on solaris for utilities like ar and as etc...
 680     PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
 681   fi
 682 
 683   AC_MSG_CHECKING([for sysroot])
 684   AC_MSG_RESULT([$SYSROOT])
 685   AC_MSG_CHECKING([for toolchain path])
 686   AC_MSG_RESULT([$TOOLCHAIN_PATH])
 687   AC_MSG_CHECKING([for extra path])
 688   AC_MSG_RESULT([$EXTRA_PATH])
 689 ])
 690 
 691 AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
 692 [
 693 
 694   AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
 695       [use this as the name of the configuration @<:@generated from important configuration options@:>@])],
 696       [ CONF_NAME=${with_conf_name} ])
 697 
 698   # Test from where we are running configure, in or outside of src root.
 699   AC_MSG_CHECKING([where to store configuration])
 700   if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \
 701       || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \
 702       || test "x$CURDIR" = "x$SRC_ROOT/make" ; then
 703     # We are running configure from the src root.
 704     # Create a default ./build/target-variant-debuglevel output root.
 705     if test "x${CONF_NAME}" = x; then
 706       AC_MSG_RESULT([in default location])
 707       CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
 708     else
 709       AC_MSG_RESULT([in build directory with custom name])
 710     fi
 711     OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
 712     $MKDIR -p "$OUTPUT_ROOT"
 713     if test ! -d "$OUTPUT_ROOT"; then
 714       AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
 715     fi
 716   else
 717     # We are running configure from outside of the src dir.
 718     # Then use the current directory as output dir!
 719     # If configuration is situated in normal build directory, just use the build
 720     # directory name as configuration name, otherwise use the complete path.
 721     if test "x${CONF_NAME}" = x; then
 722       CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
 723     fi
 724     OUTPUT_ROOT="$CURDIR"
 725     AC_MSG_RESULT([in current directory])
 726 
 727     # WARNING: This might be a bad thing to do. You need to be sure you want to
 728     # have a configuration in this directory. Do some sanity checks!
 729 
 730     if test ! -e "$OUTPUT_ROOT/spec.gmk"; then
 731       # If we have a spec.gmk, we have run here before and we are OK. Otherwise, check for
 732       # other files
 733       files_present=`$LS $OUTPUT_ROOT`
 734       # Configure has already touched config.log and confdefs.h in the current dir when this check
 735       # is performed.
 736       filtered_files=`$ECHO "$files_present" \
 737           | $SED -e 's/config.log//g' \
 738               -e 's/configure.log//g' \
 739               -e 's/confdefs.h//g' \
 740               -e 's/ //g' \
 741           | $TR -d '\n'`
 742       if test "x$filtered_files" != x; then
 743         AC_MSG_NOTICE([Current directory is $CURDIR.])
 744         AC_MSG_NOTICE([Since this is not the source root, configure will output the configuration here])
 745         AC_MSG_NOTICE([(as opposed to creating a configuration in <src_root>/build/<conf-name>).])
 746         AC_MSG_NOTICE([However, this directory is not empty. This is not allowed, since it could])
 747         AC_MSG_NOTICE([seriously mess up just about everything.])
 748         AC_MSG_NOTICE([Try 'cd $SRC_ROOT' and restart configure])
 749         AC_MSG_NOTICE([(or create a new empty directory and cd to it).])
 750         AC_MSG_ERROR([Will not continue creating configuration in $CURDIR])
 751       fi
 752     fi
 753   fi
 754   AC_MSG_CHECKING([what configuration name to use])
 755   AC_MSG_RESULT([$CONF_NAME])
 756 
 757   BASIC_FIXUP_PATH(OUTPUT_ROOT)
 758 
 759   CONFIGURESUPPORT_OUTPUTDIR="$OUTPUT_ROOT/configure-support"
 760   $MKDIR -p "$CONFIGURESUPPORT_OUTPUTDIR"
 761 
 762   AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
 763   AC_SUBST(CONF_NAME, $CONF_NAME)
 764   AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
 765   AC_SUBST(CONFIGURESUPPORT_OUTPUTDIR)
 766 
 767   # The spec.gmk file contains all variables for the make system.
 768   AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
 769   # The hotspot-spec.gmk file contains legacy variables for the hotspot make system.
 770   AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in])
 771   # The bootcycle-spec.gmk file contains support for boot cycle builds.
 772   AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in])
 773   # The compare.sh is used to compare the build output to other builds.
 774   AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in])
 775   # The generated Makefile knows where the spec.gmk is and where the source is.
 776   # You can run make from the OUTPUT_ROOT, or from the top-level Makefile
 777   # which will look for generated configurations
 778   AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
 779 ])
 780 
 781 #%%% Simple tools %%%
 782 
 783 # Check if we have found a usable version of make
 784 # $1: the path to a potential make binary (or empty)
 785 # $2: the description on how we found this
 786 AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
 787 [
 788   MAKE_CANDIDATE="$1"
 789   DESCRIPTION="$2"
 790 
 791   # On Cygwin, we require a newer version of make than on other platforms
 792   if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
 793     MAKE_VERSION_EXPR="-e 4\."
 794     MAKE_REQUIRED_VERSION="4.0"
 795    else
 796     MAKE_VERSION_EXPR="-e 3\.8[[12]] -e 4\."
 797     MAKE_REQUIRED_VERSION="3.81"
 798   fi
 799 
 800   if test "x$MAKE_CANDIDATE" != x; then
 801     AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
 802     MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
 803     IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
 804     if test "x$IS_GNU_MAKE" = x; then
 805       AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
 806     else
 807       IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP $MAKE_VERSION_EXPR`
 808       if test "x$IS_MODERN_MAKE" = x; then
 809         AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version $MAKE_REQUIRED_VERSION or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
 810       else
 811         if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
 812           if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
 813             MAKE_EXPECTED_ENV='cygwin'
 814           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
 815             MAKE_EXPECTED_ENV='msys'
 816           else
 817             AC_MSG_ERROR([Unknown Windows environment])
 818           fi
 819           MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
 820           IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
 821         else
 822           # Not relevant for non-Windows
 823           IS_MAKE_CORRECT_ENV=true
 824         fi
 825         if test "x$IS_MAKE_CORRECT_ENV" = x; then
 826           AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
 827         else
 828           FOUND_MAKE=$MAKE_CANDIDATE
 829           BASIC_FIXUP_EXECUTABLE(FOUND_MAKE)
 830         fi
 831       fi
 832     fi
 833   fi
 834 ])
 835 
 836 AC_DEFUN([BASIC_CHECK_MAKE_OUTPUT_SYNC],
 837 [
 838   # Check if make supports the output sync option and if so, setup using it.
 839   AC_MSG_CHECKING([if make --output-sync is supported])
 840   if $MAKE --version -O > /dev/null 2>&1; then
 841     OUTPUT_SYNC_SUPPORTED=true
 842     AC_MSG_RESULT([yes])
 843     AC_MSG_CHECKING([for output-sync value])
 844     AC_ARG_WITH([output-sync], [AS_HELP_STRING([--with-output-sync],
 845       [set make output sync type if supported by make. @<:@recurse@:>@])],
 846       [OUTPUT_SYNC=$with_output_sync])
 847     if test "x$OUTPUT_SYNC" = "x"; then
 848       OUTPUT_SYNC=none
 849     fi
 850     AC_MSG_RESULT([$OUTPUT_SYNC])
 851     if ! $MAKE --version -O$OUTPUT_SYNC > /dev/null 2>&1; then
 852       AC_MSG_ERROR([Make did not the support the value $OUTPUT_SYNC as output sync type.])
 853     fi
 854   else
 855     OUTPUT_SYNC_SUPPORTED=false
 856     AC_MSG_RESULT([no])
 857   fi
 858   AC_SUBST(OUTPUT_SYNC_SUPPORTED)
 859   AC_SUBST(OUTPUT_SYNC)
 860 ])
 861 
 862 # Goes looking for a usable version of GNU make.
 863 AC_DEFUN([BASIC_CHECK_GNU_MAKE],
 864 [
 865   BASIC_SETUP_TOOL([MAKE],
 866   [
 867     # Try our hardest to locate a correct version of GNU make
 868     AC_PATH_PROGS(CHECK_GMAKE, gmake)
 869     BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
 870 
 871     if test "x$FOUND_MAKE" = x; then
 872       AC_PATH_PROGS(CHECK_MAKE, make)
 873       BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
 874     fi
 875 
 876     if test "x$FOUND_MAKE" = x; then
 877       if test "x$TOOLCHAIN_PATH" != x; then
 878         # We have a toolchain path, check that as well before giving up.
 879         OLD_PATH=$PATH
 880         PATH=$TOOLCHAIN_PATH:$PATH
 881         AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
 882         BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
 883         if test "x$FOUND_MAKE" = x; then
 884           AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make)
 885           BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
 886         fi
 887         PATH=$OLD_PATH
 888       fi
 889     fi
 890 
 891     if test "x$FOUND_MAKE" = x; then
 892       AC_MSG_ERROR([Cannot find GNU make $MAKE_REQUIRED_VERSION or newer! Please put it in the path, or add e.g. MAKE=/opt/gmake3.81/make as argument to configure.])
 893     fi
 894   ],[
 895     # If MAKE was set by user, verify the version
 896     BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
 897     if test "x$FOUND_MAKE" = x; then
 898       AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make $MAKE_REQUIRED_VERSION or newer.])
 899     fi
 900   ])
 901 
 902   MAKE=$FOUND_MAKE
 903   AC_SUBST(MAKE)
 904   AC_MSG_NOTICE([Using GNU make at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
 905 
 906   BASIC_CHECK_MAKE_OUTPUT_SYNC
 907 ])
 908 
 909 AC_DEFUN([BASIC_CHECK_FIND_DELETE],
 910 [
 911   # Test if find supports -delete
 912   AC_MSG_CHECKING([if find supports -delete])
 913   FIND_DELETE="-delete"
 914 
 915   DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
 916 
 917   echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
 918 
 919   TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
 920   if test -f $DELETEDIR/TestIfFindSupportsDelete; then
 921     # No, it does not.
 922     rm $DELETEDIR/TestIfFindSupportsDelete
 923     if test "x$OPENJDK_TARGET_OS" = "xaix"; then
 924       # AIX 'find' is buggy if called with '-exec {} \+' and an empty file list
 925       FIND_DELETE="-print | xargs rm"
 926     else
 927       FIND_DELETE="-exec rm \{\} \+"
 928     fi
 929     AC_MSG_RESULT([no])
 930   else
 931     AC_MSG_RESULT([yes])
 932   fi
 933   rmdir $DELETEDIR
 934   AC_SUBST(FIND_DELETE)
 935 ])
 936 
 937 AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
 938 [
 939   BASIC_CHECK_GNU_MAKE
 940 
 941   BASIC_CHECK_FIND_DELETE
 942 
 943   # These tools might not be installed by default,
 944   # need hint on how to install them.
 945   BASIC_REQUIRE_PROGS(UNZIP, unzip)
 946   BASIC_REQUIRE_PROGS(ZIP, zip)
 947 
 948   # Non-required basic tools
 949 
 950   BASIC_PATH_PROGS(LDD, ldd)
 951   if test "x$LDD" = "x"; then
 952     # List shared lib dependencies is used for
 953     # debug output and checking for forbidden dependencies.
 954     # We can build without it.
 955     LDD="true"
 956   fi
 957   BASIC_PATH_PROGS(OTOOL, otool)
 958   if test "x$OTOOL" = "x"; then
 959     OTOOL="true"
 960   fi
 961   BASIC_PATH_PROGS(READELF, [greadelf readelf])
 962   BASIC_PATH_PROGS(HG, hg)
 963   BASIC_PATH_PROGS(STAT, stat)
 964   BASIC_PATH_PROGS(TIME, time)
 965   BASIC_PATH_PROGS(PATCH, [gpatch patch])
 966   # Check if it's GNU time
 967   IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU time'`
 968   if test "x$IS_GNU_TIME" != x; then
 969     IS_GNU_TIME=yes
 970   else
 971     IS_GNU_TIME=no
 972   fi
 973   AC_SUBST(IS_GNU_TIME)
 974 
 975   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
 976     BASIC_REQUIRE_PROGS(DSYMUTIL, dsymutil)
 977     BASIC_REQUIRE_PROGS(XATTR, xattr)
 978     BASIC_PATH_PROGS(CODESIGN, codesign)
 979     if test "x$CODESIGN" != "x"; then
 980       # Verify that the openjdk_codesign certificate is present
 981       AC_MSG_CHECKING([if openjdk_codesign certificate is present])
 982       rm -f codesign-testfile
 983       touch codesign-testfile
 984       codesign -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN=
 985       rm -f codesign-testfile
 986       if test "x$CODESIGN" = x; then
 987         AC_MSG_RESULT([no])
 988       else
 989         AC_MSG_RESULT([yes])
 990       fi
 991     fi
 992     BASIC_REQUIRE_PROGS(SETFILE, SetFile)
 993   fi
 994 ])
 995 
 996 # Check if build directory is on local disk. If not possible to determine,
 997 # we prefer to claim it's local.
 998 # Argument 1: directory to test
 999 # Argument 2: what to do if it is on local disk
1000 # Argument 3: what to do otherwise (remote disk or failure)
1001 AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
1002 [
1003   # df -l lists only local disks; if the given directory is not found then
1004   # a non-zero exit code is given
1005   if test "x$DF" = x; then
1006     if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
1007       # msys does not have df; use Windows "net use" instead.
1008       IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:`
1009       if test "x$IS_NETWORK_DISK" = x; then
1010         $2
1011       else
1012         $3
1013       fi
1014     else
1015       # No df here, say it's local
1016       $2
1017     fi
1018   else
1019     if $DF -l $1 > /dev/null 2>&1; then
1020       $2
1021     else
1022       $3
1023     fi
1024   fi
1025 ])
1026 
1027 # Check that source files have basic read permissions set. This might
1028 # not be the case in cygwin in certain conditions.
1029 AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS],
1030 [
1031   if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
1032     file_to_test="$SRC_ROOT/LICENSE"
1033     if test `$STAT -c '%a' "$file_to_test"` -lt 400; then
1034       AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.])
1035     fi
1036   fi
1037 ])
1038 
1039 AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
1040 [
1041   # Did user specify any unknown variables?
1042   BASIC_CHECK_LEFTOVER_OVERRIDDEN
1043 
1044   AC_MSG_CHECKING([if build directory is on local disk])
1045   BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
1046       [OUTPUT_DIR_IS_LOCAL="yes"],
1047       [OUTPUT_DIR_IS_LOCAL="no"])
1048   AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
1049 
1050   BASIC_CHECK_SRC_PERMS
1051 
1052   # Check if the user has any old-style ALT_ variables set.
1053   FOUND_ALT_VARIABLES=`env | grep ^ALT_`
1054 
1055   # Before generating output files, test if they exist. If they do, this is a reconfigure.
1056   # Since we can't properly handle the dependencies for this, warn the user about the situation
1057   if test -e $OUTPUT_ROOT/spec.gmk; then
1058     IS_RECONFIGURE=yes
1059   else
1060     IS_RECONFIGURE=no
1061   fi
1062 ])
1063 
1064 # Check for support for specific options in bash
1065 AC_DEFUN_ONCE([BASIC_CHECK_BASH_OPTIONS],
1066 [
1067   # Test if bash supports pipefail.
1068   AC_MSG_CHECKING([if bash supports pipefail])
1069   if ${BASH} -c 'set -o pipefail'; then
1070     BASH_ARGS="$BASH_ARGS -o pipefail"
1071     AC_MSG_RESULT([yes])
1072   else
1073     AC_MSG_RESULT([no])
1074   fi
1075 
1076   AC_MSG_CHECKING([if bash supports errexit (-e)])
1077   if ${BASH} -e -c 'true'; then
1078     BASH_ARGS="$BASH_ARGS -e"
1079     AC_MSG_RESULT([yes])
1080   else
1081     AC_MSG_RESULT([no])
1082   fi
1083 
1084   AC_SUBST(BASH_ARGS)
1085 ])
1086 
1087 ################################################################################
1088 #
1089 # Default make target
1090 #
1091 AC_DEFUN_ONCE([BASIC_SETUP_DEFAULT_MAKE_TARGET],
1092 [
1093   AC_ARG_WITH(default-make-target, [AS_HELP_STRING([--with-default-make-target],
1094       [set the default make target @<:@exploded-image@:>@])])
1095   if test "x$with_default_make_target" = "x" \
1096       || test "x$with_default_make_target" = "xyes"; then
1097     DEFAULT_MAKE_TARGET="exploded-image"
1098   elif test "x$with_default_make_target" = "xno"; then
1099     AC_MSG_ERROR([--without-default-make-target is not a valid option])
1100   else
1101     DEFAULT_MAKE_TARGET="$with_default_make_target"
1102   fi
1103 
1104   AC_SUBST(DEFAULT_MAKE_TARGET)
1105 ])
1106 
1107 # Code to run after AC_OUTPUT
1108 AC_DEFUN_ONCE([BASIC_POST_CONFIG_OUTPUT],
1109 [
1110   # Try to move config.log (generated by autoconf) to the configure-support directory.
1111   if test -e ./config.log; then
1112     $MV -f ./config.log "$CONFIGURESUPPORT_OUTPUTDIR/config.log" 2> /dev/null
1113   fi
1114 
1115   # Rotate our log file (configure.log)
1116   if test -e "$OUTPUT_ROOT/configure.log.old"; then
1117     $RM -f "$OUTPUT_ROOT/configure.log.old"
1118   fi
1119   if test -e "$OUTPUT_ROOT/configure.log"; then
1120     $MV -f "$OUTPUT_ROOT/configure.log" "$OUTPUT_ROOT/configure.log.old" 2> /dev/null
1121   fi
1122 
1123   # Move configure.log from current directory to the build output root
1124   if test -e ./configure.log; then
1125     echo found it
1126     $MV -f ./configure.log "$OUTPUT_ROOT/configure.log" 2> /dev/null
1127   fi
1128 
1129   # Make the compare script executable
1130   $CHMOD +x $OUTPUT_ROOT/compare.sh
1131 ])