1 #
   2 # Copyright (c) 2011, 2013, 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[$]$1" = x; then
  50     $1="$2"
  51   else
  52     $1="[$]$1:$2"
  53   fi
  54 ])
  55 
  56 # This will make sure the given variable points to a full and proper
  57 # path. This means:
  58 # 1) There will be no spaces in the path. On posix platforms,
  59 #    spaces in the path will result in an error. On Windows,
  60 #    the path will be rewritten using short-style to be space-free.
  61 # 2) The path will be absolute, and it will be in unix-style (on
  62 #     cygwin).
  63 # $1: The name of the variable to fix
  64 AC_DEFUN([BASIC_FIXUP_PATH],
  65 [
  66   if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
  67     BASIC_FIXUP_PATH_CYGWIN($1)
  68   elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
  69     BASIC_FIXUP_PATH_MSYS($1)
  70   else
  71     # We're on a posix platform. Hooray! :)
  72     path="[$]$1"
  73     has_space=`$ECHO "$path" | $GREP " "`
  74     if test "x$has_space" != x; then
  75       AC_MSG_NOTICE([The path of $1, which resolves as "$path", is invalid.])
  76       AC_MSG_ERROR([Spaces are not allowed in this path.])
  77     fi
  78 
  79     # Use eval to expand a potential ~
  80     eval path="$path"
  81     if test ! -f "$path" && test ! -d "$path"; then
  82       AC_MSG_ERROR([The path of $1, which resolves as "$path", is not found.])
  83     fi
  84 
  85     $1="`cd "$path"; $THEPWDCMD -L`"
  86   fi
  87 ])
  88 
  89 # This will make sure the given variable points to a executable
  90 # with a full and proper path. This means:
  91 # 1) There will be no spaces in the path. On posix platforms,
  92 #    spaces in the path will result in an error. On Windows,
  93 #    the path will be rewritten using short-style to be space-free.
  94 # 2) The path will be absolute, and it will be in unix-style (on
  95 #     cygwin).
  96 # Any arguments given to the executable is preserved.
  97 # If the input variable does not have a directory specification, then
  98 # it need to be in the PATH.
  99 # $1: The name of the variable to fix
 100 AC_DEFUN([BASIC_FIXUP_EXECUTABLE],
 101 [
 102   if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
 103     BASIC_FIXUP_EXECUTABLE_CYGWIN($1)
 104   elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
 105     BASIC_FIXUP_EXECUTABLE_MSYS($1)
 106   else
 107     # We're on a posix platform. Hooray! :)
 108     # First separate the path from the arguments. This will split at the first
 109     # space.
 110     complete="[$]$1"
 111     path="${complete%% *}"
 112     tmp="$complete EOL"
 113     arguments="${tmp#* }"
 114 
 115     # Cannot rely on the command "which" here since it doesn't always work.
 116     is_absolute_path=`$ECHO "$path" | $GREP ^/`
 117     if test -z "$is_absolute_path"; then
 118       # Path to executable is not absolute. Find it.
 119       IFS_save="$IFS"
 120       IFS=:
 121       for p in $PATH; do
 122         if test -f "$p/$path" && test -x "$p/$path"; then
 123           new_path="$p/$path"
 124           break
 125         fi
 126       done
 127       IFS="$IFS_save"
 128     else
 129       new_path="$path"
 130     fi
 131 
 132     if test "x$new_path" = x; then
 133       AC_MSG_NOTICE([The path of $1, which resolves as "$complete", is not found.])
 134       has_space=`$ECHO "$complete" | $GREP " "`
 135       if test "x$has_space" != x; then
 136         AC_MSG_NOTICE([This might be caused by spaces in the path, which is not allowed.])
 137       fi
 138       AC_MSG_ERROR([Cannot locate the the path of $1])
 139     fi
 140   fi
 141 
 142   # Now join together the path and the arguments once again
 143   if test "x$arguments" != xEOL; then
 144     new_complete="$new_path ${arguments% *}"
 145   else
 146     new_complete="$new_path"
 147   fi
 148 
 149   if test "x$complete" != "x$new_complete"; then
 150     $1="$new_complete"
 151     AC_MSG_NOTICE([Rewriting $1 to "$new_complete"])
 152   fi
 153 ])
 154 
 155 AC_DEFUN([BASIC_REMOVE_SYMBOLIC_LINKS],
 156 [
 157   if test "x$OPENJDK_BUILD_OS" != xwindows; then
 158     # Follow a chain of symbolic links. Use readlink
 159     # where it exists, else fall back to horribly
 160     # complicated shell code.
 161     if test "x$READLINK_TESTED" != yes; then
 162       # On MacOSX there is a readlink tool with a different
 163       # purpose than the GNU readlink tool. Check the found readlink.
 164       ISGNU=`$READLINK --version 2>&1 | $GREP GNU`
 165       if test "x$ISGNU" = x; then
 166         # A readlink that we do not know how to use.
 167         # Are there other non-GNU readlinks out there?
 168         READLINK_TESTED=yes
 169         READLINK=
 170       fi
 171     fi
 172 
 173     if test "x$READLINK" != x; then
 174       $1=`$READLINK -f [$]$1`
 175     else
 176       # Save the current directory for restoring afterwards
 177       STARTDIR=$PWD
 178       COUNTER=0
 179       sym_link_dir=`$DIRNAME [$]$1`
 180       sym_link_file=`$BASENAME [$]$1`
 181       cd $sym_link_dir
 182       # Use -P flag to resolve symlinks in directories.
 183       cd `$THEPWDCMD -P`
 184       sym_link_dir=`$THEPWDCMD -P`
 185       # Resolve file symlinks
 186       while test $COUNTER -lt 20; do
 187         ISLINK=`$LS -l $sym_link_dir/$sym_link_file | $GREP '\->' | $SED -e 's/.*-> \(.*\)/\1/'`
 188         if test "x$ISLINK" == x; then
 189           # This is not a symbolic link! We are done!
 190           break
 191         fi
 192         # Again resolve directory symlinks since the target of the just found
 193         # link could be in a different directory
 194         cd `$DIRNAME $ISLINK`
 195         sym_link_dir=`$THEPWDCMD -P`
 196         sym_link_file=`$BASENAME $ISLINK`
 197         let COUNTER=COUNTER+1
 198       done
 199       cd $STARTDIR
 200       $1=$sym_link_dir/$sym_link_file
 201     fi
 202   fi
 203 ])
 204 
 205 # Register a --with argument but mark it as deprecated
 206 # $1: The name of the with argument to deprecate, not including --with-
 207 AC_DEFUN([BASIC_DEPRECATED_ARG_WITH],
 208 [
 209   AC_ARG_WITH($1, [AS_HELP_STRING([--with-$1],
 210       [Deprecated. Option is kept for backwards compatibility and is ignored])],
 211       [AC_MSG_WARN([Option --with-$1 is deprecated and will be ignored.])])
 212 ])
 213 
 214 # Register a --enable argument but mark it as deprecated
 215 # $1: The name of the with argument to deprecate, not including --enable-
 216 # $2: The name of the argument to deprecate, in shell variable style (i.e. with _ instead of -)
 217 AC_DEFUN([BASIC_DEPRECATED_ARG_ENABLE],
 218 [
 219   AC_ARG_ENABLE($1, [AS_HELP_STRING([--enable-$1],
 220       [Deprecated. Option is kept for backwards compatibility and is ignored])])
 221   if test "x$enable_$2" != x; then
 222     AC_MSG_WARN([Option --enable-$1 is deprecated and will be ignored.])
 223   fi
 224 ])
 225 
 226 AC_DEFUN_ONCE([BASIC_INIT],
 227 [
 228   # Save the original command line. This is passed to us by the wrapper configure script.
 229   AC_SUBST(CONFIGURE_COMMAND_LINE)
 230   DATE_WHEN_CONFIGURED=`LANG=C date`
 231   AC_SUBST(DATE_WHEN_CONFIGURED)
 232   AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.])
 233   AC_MSG_NOTICE([configure script generated at timestamp $DATE_WHEN_GENERATED.])
 234 ])
 235 
 236 # Test that variable $1 denoting a program is not empty. If empty, exit with an error.
 237 # $1: variable to check
 238 AC_DEFUN([BASIC_CHECK_NONEMPTY],
 239 [
 240   if test "x[$]$1" = x; then
 241     AC_MSG_ERROR([Could not find required tool for $1])
 242   fi
 243 ])
 244 
 245 # Check that there are no unprocessed overridden variables left.
 246 # If so, they are an incorrect argument and we will exit with an error.
 247 AC_DEFUN([BASIC_CHECK_LEFTOVER_OVERRIDDEN],
 248 [
 249   if test "x$CONFIGURE_OVERRIDDEN_VARIABLES" != x; then
 250     # Replace the separating ! with spaces before presenting for end user.
 251     unknown_variables=${CONFIGURE_OVERRIDDEN_VARIABLES//!/ }
 252     AC_MSG_WARN([The following variables might be unknown to configure: $unknown_variables])
 253   fi
 254 ])
 255 
 256 # Setup a tool for the given variable. If correctly specified by the user, 
 257 # use that value, otherwise search for the tool using the supplied code snippet.
 258 # $1: variable to set
 259 # $2: code snippet to call to look for the tool
 260 AC_DEFUN([BASIC_SETUP_TOOL],
 261 [
 262   # Publish this variable in the help.
 263   AC_ARG_VAR($1, [Override default value for $1])
 264 
 265   if test "x[$]$1" = x; then
 266     # The variable is not set by user, try to locate tool using the code snippet
 267     $2
 268   else
 269     # The variable is set, but is it from the command line or the environment?
 270 
 271     # Try to remove the string !$1! from our list.
 272     try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!$1!/}
 273     if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
 274       # If it failed, the variable was not from the command line. Ignore it,
 275       # but warn the user (except for BASH, which is always set by the calling BASH).
 276       if test "x$1" != xBASH; then
 277         AC_MSG_WARN([Ignoring value of $1 from the environment. Use command line variables instead.])
 278       fi
 279       # Try to locate tool using the code snippet
 280       $2
 281     else
 282       # If it succeeded, then it was overridden by the user. We will use it
 283       # for the tool.
 284 
 285       # First remove it from the list of overridden variables, so we can test
 286       # for unknown variables in the end.
 287       CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
 288 
 289       # Check if the provided tool contains a complete path.
 290       tool_specified="[$]$1"
 291       tool_basename="${tool_specified##*/}"
 292       if test "x$tool_basename" = "x$tool_specified"; then
 293         # A command without a complete path is provided, search $PATH.
 294         AC_MSG_NOTICE([Will search for user supplied tool $1=$tool_basename])
 295         AC_PATH_PROG($1, $tool_basename)
 296         if test "x[$]$1" = x; then
 297           AC_MSG_ERROR([User supplied tool $tool_basename could not be found])
 298         fi
 299       else
 300         # Otherwise we believe it is a complete path. Use it as it is.
 301         AC_MSG_NOTICE([Will use user supplied tool $1=$tool_specified])
 302         AC_MSG_CHECKING([for $1])
 303         if test ! -x "$tool_specified"; then
 304           AC_MSG_RESULT([not found])
 305           AC_MSG_ERROR([User supplied tool $1=$tool_specified does not exist or is not executable])
 306         fi
 307         AC_MSG_RESULT([$tool_specified])
 308       fi
 309     fi
 310   fi
 311 ])
 312 
 313 # Call BASIC_SETUP_TOOL with AC_PATH_PROGS to locate the tool
 314 # $1: variable to set
 315 # $2: executable name (or list of names) to look for
 316 AC_DEFUN([BASIC_PATH_PROGS],
 317 [
 318   BASIC_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2)])
 319 ])
 320 
 321 # Call BASIC_SETUP_TOOL with AC_CHECK_TOOLS to locate the tool
 322 # $1: variable to set
 323 # $2: executable name (or list of names) to look for
 324 AC_DEFUN([BASIC_CHECK_TOOLS],
 325 [
 326   BASIC_SETUP_TOOL($1, [AC_CHECK_TOOLS($1, $2)])
 327 ])
 328 
 329 # Like BASIC_PATH_PROGS but fails if no tool was found.
 330 # $1: variable to set
 331 # $2: executable name (or list of names) to look for
 332 AC_DEFUN([BASIC_REQUIRE_PROGS],
 333 [
 334   BASIC_PATH_PROGS($1, $2)
 335   BASIC_CHECK_NONEMPTY($1)
 336 ])
 337 
 338 # Like BASIC_SETUP_TOOL but fails if no tool was found.
 339 # $1: variable to set
 340 # $2: autoconf macro to call to look for the special tool
 341 AC_DEFUN([BASIC_REQUIRE_SPECIAL],
 342 [
 343   BASIC_SETUP_TOOL($1, [$2])
 344   BASIC_CHECK_NONEMPTY($1)
 345 ])
 346 
 347 # Setup the most fundamental tools that relies on not much else to set up,
 348 # but is used by much of the early bootstrap code.
 349 AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
 350 [
 351   # Start with tools that do not need have cross compilation support
 352   # and can be expected to be found in the default PATH. These tools are
 353   # used by configure. Nor are these tools expected to be found in the
 354   # devkit from the builddeps server either, since they are
 355   # needed to download the devkit.
 356 
 357   # First are all the simple required tools.
 358   BASIC_REQUIRE_PROGS(BASENAME, basename)
 359   BASIC_REQUIRE_PROGS(BASH, bash)
 360   BASIC_REQUIRE_PROGS(CAT, cat)
 361   BASIC_REQUIRE_PROGS(CHMOD, chmod)
 362   BASIC_REQUIRE_PROGS(CMP, cmp)
 363   BASIC_REQUIRE_PROGS(COMM, comm)
 364   BASIC_REQUIRE_PROGS(CP, cp)
 365   BASIC_REQUIRE_PROGS(CPIO, cpio)
 366   BASIC_REQUIRE_PROGS(CUT, cut)
 367   BASIC_REQUIRE_PROGS(DATE, date)
 368   BASIC_REQUIRE_PROGS(DIFF, [gdiff diff])
 369   BASIC_REQUIRE_PROGS(DIRNAME, dirname)
 370   BASIC_REQUIRE_PROGS(ECHO, echo)
 371   BASIC_REQUIRE_PROGS(EXPR, expr)
 372   BASIC_REQUIRE_PROGS(FILE, file)
 373   BASIC_REQUIRE_PROGS(FIND, find)
 374   BASIC_REQUIRE_PROGS(HEAD, head)
 375   BASIC_REQUIRE_PROGS(LN, ln)
 376   BASIC_REQUIRE_PROGS(LS, ls)
 377   BASIC_REQUIRE_PROGS(MKDIR, mkdir)
 378   BASIC_REQUIRE_PROGS(MKTEMP, mktemp)
 379   BASIC_REQUIRE_PROGS(MV, mv)
 380   BASIC_REQUIRE_PROGS(NAWK, [nawk gawk awk])
 381   BASIC_REQUIRE_PROGS(PRINTF, printf)
 382   BASIC_REQUIRE_PROGS(RM, rm)
 383   BASIC_REQUIRE_PROGS(SH, sh)
 384   BASIC_REQUIRE_PROGS(SORT, sort)
 385   BASIC_REQUIRE_PROGS(TAIL, tail)
 386   BASIC_REQUIRE_PROGS(TAR, tar)
 387   BASIC_REQUIRE_PROGS(TEE, tee)
 388   BASIC_REQUIRE_PROGS(TOUCH, touch)
 389   BASIC_REQUIRE_PROGS(TR, tr)
 390   BASIC_REQUIRE_PROGS(UNAME, uname)
 391   BASIC_REQUIRE_PROGS(UNIQ, uniq)
 392   BASIC_REQUIRE_PROGS(WC, wc)
 393   BASIC_REQUIRE_PROGS(WHICH, which)
 394   BASIC_REQUIRE_PROGS(XARGS, xargs)
 395 
 396   # Then required tools that require some special treatment.
 397   BASIC_REQUIRE_SPECIAL(AWK, [AC_PROG_AWK])
 398   BASIC_REQUIRE_SPECIAL(GREP, [AC_PROG_GREP])
 399   BASIC_REQUIRE_SPECIAL(EGREP, [AC_PROG_EGREP])
 400   BASIC_REQUIRE_SPECIAL(FGREP, [AC_PROG_FGREP])
 401   BASIC_REQUIRE_SPECIAL(SED, [AC_PROG_SED])
 402 
 403   # Always force rm.
 404   RM="$RM -f"
 405 
 406   # pwd behaves differently on various platforms and some don't support the -L flag.
 407   # Always use the bash builtin pwd to get uniform behavior.
 408   THEPWDCMD=pwd
 409 
 410   # These are not required on all platforms
 411   BASIC_PATH_PROGS(CYGPATH, cygpath)
 412   BASIC_PATH_PROGS(READLINK, [greadlink readlink])
 413   BASIC_PATH_PROGS(DF, df)
 414   BASIC_PATH_PROGS(SETFILE, SetFile)
 415 ])
 416 
 417 # Setup basic configuration paths, and platform-specific stuff related to PATHs.
 418 AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
 419 [
 420   # Locate the directory of this script.
 421   SCRIPT="[$]0"
 422   AUTOCONF_DIR=`cd \`$DIRNAME $SCRIPT\`; $THEPWDCMD -L`
 423 
 424   # Where is the source? It is located two levels above the configure script.
 425   CURDIR="$PWD"
 426   cd "$AUTOCONF_DIR/../.."
 427   SRC_ROOT="`$THEPWDCMD -L`"
 428 
 429   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 430     PATH_SEP=";"
 431     BASIC_CHECK_PATHS_WINDOWS
 432   else
 433     PATH_SEP=":"
 434   fi
 435 
 436   AC_SUBST(SRC_ROOT)
 437   AC_SUBST(PATH_SEP)
 438   cd "$CURDIR"
 439 
 440   BASIC_FIXUP_PATH(SRC_ROOT)
 441   BASIC_FIXUP_PATH(CURDIR)
 442 
 443   if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
 444     # Add extra search paths on solaris for utilities like ar and as etc...
 445     PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
 446   fi
 447 
 448   # You can force the sys-root if the sys-root encoded into the cross compiler tools
 449   # is not correct.
 450   AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
 451       [pass this sys-root to the compilers and tools (for cross-compiling)])])
 452 
 453   if test "x$with_sys_root" != x; then
 454     SYS_ROOT=$with_sys_root
 455   else
 456     SYS_ROOT=/
 457   fi
 458   AC_SUBST(SYS_ROOT)
 459 
 460   AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
 461       [search this directory for compilers and tools (for cross-compiling)])],
 462       [TOOLS_DIR=$with_tools_dir]
 463   )
 464 
 465   AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
 466       [use this directory as base for tools-dir and sys-root (for cross-compiling)])],
 467       [
 468         if test "x$with_sys_root" != x; then
 469           AC_MSG_ERROR([Cannot specify both --with-devkit and --with-sys-root at the same time])
 470         fi
 471         BASIC_FIXUP_PATH([with_devkit])
 472         BASIC_APPEND_TO_PATH([TOOLS_DIR],$with_devkit/bin)
 473         if test -d "$with_devkit/$host_alias/libc"; then
 474           SYS_ROOT=$with_devkit/$host_alias/libc
 475         elif test -d "$with_devkit/$host/sys-root"; then
 476           SYS_ROOT=$with_devkit/$host/sys-root
 477         fi
 478       ])
 479 ])
 480 
 481 AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
 482 [
 483 
 484   AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
 485       [use this as the name of the configuration @<:@generated from important configuration options@:>@])],
 486       [ CONF_NAME=${with_conf_name} ])
 487 
 488   # Test from where we are running configure, in or outside of src root.
 489   if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \
 490       || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \
 491       || test "x$CURDIR" = "x$SRC_ROOT/make" ; then
 492     # We are running configure from the src root.
 493     # Create a default ./build/target-variant-debuglevel output root.
 494     if test "x${CONF_NAME}" = x; then
 495       CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
 496     fi
 497     OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
 498     $MKDIR -p "$OUTPUT_ROOT"
 499     if test ! -d "$OUTPUT_ROOT"; then
 500       AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
 501     fi
 502   else
 503     # We are running configure from outside of the src dir.
 504     # Then use the current directory as output dir!
 505     # If configuration is situated in normal build directory, just use the build
 506     # directory name as configuration name, otherwise use the complete path.
 507     if test "x${CONF_NAME}" = x; then
 508       CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
 509     fi
 510     OUTPUT_ROOT="$CURDIR"
 511 
 512     # WARNING: This might be a bad thing to do. You need to be sure you want to
 513     # have a configuration in this directory. Do some sanity checks!
 514 
 515     if test ! -e "$OUTPUT_ROOT/spec.gmk"; then
 516       # If we have a spec.gmk, we have run here before and we are OK. Otherwise, check for
 517       # other files
 518       files_present=`$LS $OUTPUT_ROOT`
 519       # Configure has already touched config.log and confdefs.h in the current dir when this check
 520       # is performed.
 521       filtered_files=`$ECHO "$files_present" | $SED -e 's/config.log//g' -e 's/confdefs.h//g' -e 's/ //g' \
 522       | $TR -d '\n'`
 523       if test "x$filtered_files" != x; then
 524         AC_MSG_NOTICE([Current directory is $CURDIR.])
 525         AC_MSG_NOTICE([Since this is not the source root, configure will output the configuration here])
 526         AC_MSG_NOTICE([(as opposed to creating a configuration in <src_root>/build/<conf-name>).])
 527         AC_MSG_NOTICE([However, this directory is not empty. This is not allowed, since it could])
 528         AC_MSG_NOTICE([seriously mess up just about everything.])
 529         AC_MSG_NOTICE([Try 'cd $SRC_ROOT' and restart configure])
 530         AC_MSG_NOTICE([(or create a new empty directory and cd to it).])
 531         AC_MSG_ERROR([Will not continue creating configuration in $CURDIR])
 532       fi
 533     fi
 534   fi
 535   AC_MSG_CHECKING([what configuration name to use])
 536   AC_MSG_RESULT([$CONF_NAME])
 537 
 538   BASIC_FIXUP_PATH(OUTPUT_ROOT)
 539 
 540   AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
 541   AC_SUBST(CONF_NAME, $CONF_NAME)
 542   AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
 543 
 544   # Most of the probed defines are put into config.h
 545   AC_CONFIG_HEADERS([$OUTPUT_ROOT/config.h:$AUTOCONF_DIR/config.h.in])
 546   # The spec.gmk file contains all variables for the make system.
 547   AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
 548   # The hotspot-spec.gmk file contains legacy variables for the hotspot make system.
 549   AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in])
 550   # The bootcycle-spec.gmk file contains support for boot cycle builds.
 551   AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in])
 552   # The compare.sh is used to compare the build output to other builds.
 553   AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in])
 554   # Spec.sh is currently used by compare-objects.sh
 555   AC_CONFIG_FILES([$OUTPUT_ROOT/spec.sh:$AUTOCONF_DIR/spec.sh.in])
 556   # The generated Makefile knows where the spec.gmk is and where the source is.
 557   # You can run make from the OUTPUT_ROOT, or from the top-level Makefile
 558   # which will look for generated configurations
 559   AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
 560 
 561   # Save the arguments given to us
 562   echo "$CONFIGURE_COMMAND_LINE" > $OUTPUT_ROOT/configure-arguments
 563 ])
 564 
 565 AC_DEFUN_ONCE([BASIC_SETUP_LOGGING],
 566 [
 567   # Setup default logging of stdout and stderr to build.log in the output root.
 568   BUILD_LOG='$(OUTPUT_ROOT)/build.log'
 569   BUILD_LOG_PREVIOUS='$(OUTPUT_ROOT)/build.log.old'
 570   BUILD_LOG_WRAPPER='$(BASH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)'
 571   AC_SUBST(BUILD_LOG)
 572   AC_SUBST(BUILD_LOG_PREVIOUS)
 573   AC_SUBST(BUILD_LOG_WRAPPER)
 574 ])
 575 
 576 
 577 #%%% Simple tools %%%
 578 
 579 # Check if we have found a usable version of make
 580 # $1: the path to a potential make binary (or empty)
 581 # $2: the description on how we found this
 582 AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
 583 [
 584   MAKE_CANDIDATE="$1"
 585   DESCRIPTION="$2"
 586   if test "x$MAKE_CANDIDATE" != x; then
 587     AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
 588     MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
 589     IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
 590     if test "x$IS_GNU_MAKE" = x; then
 591       AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
 592     else
 593       IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP -e '3\.8[[12]]' -e '4\.'`
 594       if test "x$IS_MODERN_MAKE" = x; then
 595         AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version 3.81 or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
 596       else
 597         if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
 598           if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
 599             MAKE_EXPECTED_ENV='cygwin'
 600           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
 601             MAKE_EXPECTED_ENV='msys'
 602           else
 603             AC_MSG_ERROR([Unknown Windows environment])
 604           fi
 605           MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
 606           IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
 607         else
 608           # Not relevant for non-Windows
 609           IS_MAKE_CORRECT_ENV=true
 610         fi
 611         if test "x$IS_MAKE_CORRECT_ENV" = x; then
 612           AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
 613         else
 614           FOUND_MAKE=$MAKE_CANDIDATE
 615           BASIC_FIXUP_EXECUTABLE(FOUND_MAKE)
 616         fi
 617       fi
 618     fi
 619   fi
 620 ])
 621 
 622 # Goes looking for a usable version of GNU make.
 623 AC_DEFUN([BASIC_CHECK_GNU_MAKE],
 624 [
 625   # We need to find a recent version of GNU make. Especially on Solaris, this can be tricky.
 626   if test "x$MAKE" != x; then
 627     # User has supplied a make, test it.
 628     if test ! -f "$MAKE"; then
 629       AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not found.])
 630     fi
 631     BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
 632     if test "x$FOUND_MAKE" = x; then
 633       AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make 3.81 or newer.])
 634     fi
 635   else
 636     # Try our hardest to locate a correct version of GNU make
 637     AC_PATH_PROGS(CHECK_GMAKE, gmake)
 638     BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
 639 
 640     if test "x$FOUND_MAKE" = x; then
 641       AC_PATH_PROGS(CHECK_MAKE, make)
 642       BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
 643     fi
 644 
 645     if test "x$FOUND_MAKE" = x; then
 646       if test "x$TOOLS_DIR" != x; then
 647         # We have a tools-dir, check that as well before giving up.
 648         OLD_PATH=$PATH
 649         PATH=$TOOLS_DIR:$PATH
 650         AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
 651         BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
 652         if test "x$FOUND_MAKE" = x; then
 653           AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make)
 654           BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
 655         fi
 656         PATH=$OLD_PATH
 657       fi
 658     fi
 659 
 660     if test "x$FOUND_MAKE" = x; then
 661       AC_MSG_ERROR([Cannot find GNU make 3.81 or newer! Please put it in the path, or add e.g. MAKE=/opt/gmake3.81/make as argument to configure.])
 662     fi
 663   fi
 664 
 665   MAKE=$FOUND_MAKE
 666   AC_SUBST(MAKE)
 667   AC_MSG_NOTICE([Using GNU make 3.81 (or later) at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
 668 ])
 669 
 670 AC_DEFUN([BASIC_CHECK_FIND_DELETE],
 671 [
 672   # Test if find supports -delete
 673   AC_MSG_CHECKING([if find supports -delete])
 674   FIND_DELETE="-delete"
 675 
 676   DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
 677 
 678   echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
 679 
 680   TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
 681   if test -f $DELETEDIR/TestIfFindSupportsDelete; then
 682     # No, it does not.
 683     rm $DELETEDIR/TestIfFindSupportsDelete
 684     FIND_DELETE="-exec rm \{\} \+"
 685     AC_MSG_RESULT([no])
 686   else
 687     AC_MSG_RESULT([yes])
 688   fi
 689   rmdir $DELETEDIR
 690   AC_SUBST(FIND_DELETE)
 691 ])
 692 
 693 AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
 694 [
 695   BASIC_CHECK_GNU_MAKE
 696 
 697   BASIC_CHECK_FIND_DELETE
 698 
 699   # These tools might not be installed by default,
 700   # need hint on how to install them.
 701   BASIC_REQUIRE_PROGS(UNZIP, unzip)
 702   BASIC_REQUIRE_PROGS(ZIP, zip)
 703 
 704   # Non-required basic tools
 705 
 706   BASIC_PATH_PROGS(LDD, ldd)
 707   if test "x$LDD" = "x"; then
 708     # List shared lib dependencies is used for
 709     # debug output and checking for forbidden dependencies.
 710     # We can build without it.
 711     LDD="true"
 712   fi
 713   BASIC_PATH_PROGS(OTOOL, otool)
 714   if test "x$OTOOL" = "x"; then
 715     OTOOL="true"
 716   fi
 717   BASIC_PATH_PROGS(READELF, [greadelf readelf])
 718   BASIC_PATH_PROGS(HG, hg)
 719   BASIC_PATH_PROGS(STAT, stat)
 720   BASIC_PATH_PROGS(TIME, time)
 721   # Check if it's GNU time
 722   IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU time'`
 723   if test "x$IS_GNU_TIME" != x; then
 724     IS_GNU_TIME=yes
 725   else
 726     IS_GNU_TIME=no
 727   fi
 728   AC_SUBST(IS_GNU_TIME)
 729 
 730   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 731     BASIC_REQUIRE_PROGS(COMM, comm)
 732   fi
 733 
 734   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
 735     BASIC_REQUIRE_PROGS(DSYMUTIL, dsymutil)
 736     BASIC_REQUIRE_PROGS(XATTR, xattr)
 737     BASIC_PATH_PROGS(CODESIGN, codesign)
 738     if test "x$CODESIGN" != "x"; then
 739       # Verify that the openjdk_codesign certificate is present
 740       AC_MSG_CHECKING([if openjdk_codesign certificate is present])
 741       rm -f codesign-testfile
 742       touch codesign-testfile
 743       codesign -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN=
 744       rm -f codesign-testfile
 745       if test "x$CODESIGN" = x; then
 746         AC_MSG_RESULT([no])
 747       else
 748         AC_MSG_RESULT([yes])
 749       fi
 750     fi
 751   fi
 752 ])
 753 
 754 # Check if build directory is on local disk. If not possible to determine,
 755 # we prefer to claim it's local.
 756 # Argument 1: directory to test
 757 # Argument 2: what to do if it is on local disk
 758 # Argument 3: what to do otherwise (remote disk or failure)
 759 AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
 760 [
 761   # df -l lists only local disks; if the given directory is not found then
 762   # a non-zero exit code is given
 763   if test "x$DF" = x; then
 764     if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
 765       # msys does not have df; use Windows "net use" instead.
 766       IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:`
 767       if test "x$IS_NETWORK_DISK" = x; then
 768         $2
 769       else
 770         $3
 771       fi
 772     else
 773       # No df here, say it's local
 774       $2
 775     fi
 776   else
 777     if $DF -l $1 > /dev/null 2>&1; then
 778       $2
 779     else
 780       $3
 781     fi
 782   fi
 783 ])
 784 
 785 # Check that source files have basic read permissions set. This might
 786 # not be the case in cygwin in certain conditions.
 787 AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS],
 788 [
 789   if test x"$OPENJDK_BUILD_OS" = xwindows; then
 790     file_to_test="$SRC_ROOT/LICENSE"
 791     if test `$STAT -c '%a' "$file_to_test"` -lt 400; then
 792       AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.])
 793     fi
 794   fi
 795 ])
 796 
 797 AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
 798 [
 799   # Did user specify any unknown variables?
 800   BASIC_CHECK_LEFTOVER_OVERRIDDEN
 801 
 802   AC_MSG_CHECKING([if build directory is on local disk])
 803   BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
 804       [OUTPUT_DIR_IS_LOCAL="yes"],
 805       [OUTPUT_DIR_IS_LOCAL="no"])
 806   AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
 807 
 808   BASIC_CHECK_SRC_PERMS
 809 
 810   # Check if the user has any old-style ALT_ variables set.
 811   FOUND_ALT_VARIABLES=`env | grep ^ALT_`
 812 
 813   # Before generating output files, test if they exist. If they do, this is a reconfigure.
 814   # Since we can't properly handle the dependencies for this, warn the user about the situation
 815   if test -e $OUTPUT_ROOT/spec.gmk; then
 816     IS_RECONFIGURE=yes
 817   else
 818     IS_RECONFIGURE=no
 819   fi
 820 ])