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       AC_MSG_NOTICE([Resolving $1 (as $path) failed, using $path directly.])
 130       new_path="$path"
 131     fi
 132 
 133     if test "x$new_path" = x; then
 134       AC_MSG_NOTICE([The path of $1, which resolves as "$complete", is not found.])
 135       has_space=`$ECHO "$complete" | $GREP " "`
 136       if test "x$has_space" != x; then
 137         AC_MSG_NOTICE([This might be caused by spaces in the path, which is not allowed.])
 138       fi
 139       AC_MSG_ERROR([Cannot locate the the path of $1])
 140     fi
 141   fi
 142 
 143   # Now join together the path and the arguments once again
 144   if test "x$arguments" != xEOL; then
 145     new_complete="$new_path ${arguments% *}"
 146   else
 147     new_complete="$new_path"
 148   fi
 149 
 150   if test "x$complete" != "x$new_complete"; then
 151     $1="$new_complete"
 152     AC_MSG_NOTICE([Rewriting $1 to "$new_complete"])
 153   fi
 154 ])
 155 
 156 AC_DEFUN([BASIC_REMOVE_SYMBOLIC_LINKS],
 157 [
 158   if test "x$OPENJDK_BUILD_OS" != xwindows; then
 159     # Follow a chain of symbolic links. Use readlink
 160     # where it exists, else fall back to horribly
 161     # complicated shell code.
 162     if test "x$READLINK_TESTED" != yes; then
 163       # On MacOSX there is a readlink tool with a different
 164       # purpose than the GNU readlink tool. Check the found readlink.
 165       ISGNU=`$READLINK --version 2>&1 | $GREP GNU`
 166       if test "x$ISGNU" = x; then
 167         # A readlink that we do not know how to use.
 168         # Are there other non-GNU readlinks out there?
 169         READLINK_TESTED=yes
 170         READLINK=
 171       fi
 172     fi
 173 
 174     if test "x$READLINK" != x; then
 175       $1=`$READLINK -f [$]$1`
 176     else
 177       # Save the current directory for restoring afterwards
 178       STARTDIR=$PWD
 179       COUNTER=0
 180       sym_link_dir=`$DIRNAME [$]$1`
 181       sym_link_file=`$BASENAME [$]$1`
 182       cd $sym_link_dir
 183       # Use -P flag to resolve symlinks in directories.
 184       cd `$THEPWDCMD -P`
 185       sym_link_dir=`$THEPWDCMD -P`
 186       # Resolve file symlinks
 187       while test $COUNTER -lt 20; do
 188         ISLINK=`$LS -l $sym_link_dir/$sym_link_file | $GREP '\->' | $SED -e 's/.*-> \(.*\)/\1/'`
 189         if test "x$ISLINK" == x; then
 190           # This is not a symbolic link! We are done!
 191           break
 192         fi
 193         # Again resolve directory symlinks since the target of the just found
 194         # link could be in a different directory
 195         cd `$DIRNAME $ISLINK`
 196         sym_link_dir=`$THEPWDCMD -P`
 197         sym_link_file=`$BASENAME $ISLINK`
 198         let COUNTER=COUNTER+1
 199       done
 200       cd $STARTDIR
 201       $1=$sym_link_dir/$sym_link_file
 202     fi
 203   fi
 204 ])
 205 
 206 # Register a --with argument but mark it as deprecated
 207 # $1: The name of the with argument to deprecate, not including --with-
 208 AC_DEFUN([BASIC_DEPRECATED_ARG_WITH],
 209 [
 210   AC_ARG_WITH($1, [AS_HELP_STRING([--with-$1],
 211       [Deprecated. Option is kept for backwards compatibility and is ignored])],
 212       [AC_MSG_WARN([Option --with-$1 is deprecated and will be ignored.])])
 213 ])
 214 
 215 # Register a --enable argument but mark it as deprecated
 216 # $1: The name of the with argument to deprecate, not including --enable-
 217 # $2: The name of the argument to deprecate, in shell variable style (i.e. with _ instead of -)
 218 AC_DEFUN([BASIC_DEPRECATED_ARG_ENABLE],
 219 [
 220   AC_ARG_ENABLE($1, [AS_HELP_STRING([--enable-$1],
 221       [Deprecated. Option is kept for backwards compatibility and is ignored])])
 222   if test "x$enable_$2" != x; then
 223     AC_MSG_WARN([Option --enable-$1 is deprecated and will be ignored.])
 224   fi
 225 ])
 226 
 227 AC_DEFUN_ONCE([BASIC_INIT],
 228 [
 229   # Save the original command line. This is passed to us by the wrapper configure script.
 230   AC_SUBST(CONFIGURE_COMMAND_LINE)
 231   DATE_WHEN_CONFIGURED=`LANG=C date`
 232   AC_SUBST(DATE_WHEN_CONFIGURED)
 233   AC_MSG_NOTICE([Configuration created at $DATE_WHEN_CONFIGURED.])
 234   AC_MSG_NOTICE([configure script generated at timestamp $DATE_WHEN_GENERATED.])
 235 ])
 236 
 237 # Test that variable $1 denoting a program is not empty. If empty, exit with an error.
 238 # $1: variable to check
 239 AC_DEFUN([BASIC_CHECK_NONEMPTY],
 240 [
 241   if test "x[$]$1" = x; then
 242     AC_MSG_ERROR([Could not find required tool for $1])
 243   fi
 244 ])
 245 
 246 # Check that there are no unprocessed overridden variables left.
 247 # If so, they are an incorrect argument and we will exit with an error.
 248 AC_DEFUN([BASIC_CHECK_LEFTOVER_OVERRIDDEN],
 249 [
 250   if test "x$CONFIGURE_OVERRIDDEN_VARIABLES" != x; then
 251     # Replace the separating ! with spaces before presenting for end user.
 252     unknown_variables=${CONFIGURE_OVERRIDDEN_VARIABLES//!/ }
 253     AC_MSG_WARN([The following variables might be unknown to configure: $unknown_variables])
 254   fi
 255 ])
 256 
 257 # Setup a tool for the given variable. If correctly specified by the user, 
 258 # use that value, otherwise search for the tool using the supplied code snippet.
 259 # $1: variable to set
 260 # $2: code snippet to call to look for the tool
 261 AC_DEFUN([BASIC_SETUP_TOOL],
 262 [
 263   # Publish this variable in the help.
 264   AC_ARG_VAR($1, [Override default value for $1])
 265 
 266   if test "x[$]$1" = x; then
 267     # The variable is not set by user, try to locate tool using the code snippet
 268     $2
 269   else
 270     # The variable is set, but is it from the command line or the environment?
 271 
 272     # Try to remove the string !$1! from our list.
 273     try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!$1!/}
 274     if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
 275       # If it failed, the variable was not from the command line. Ignore it,
 276       # but warn the user (except for BASH, which is always set by the calling BASH).
 277       if test "x$1" != xBASH; then
 278         AC_MSG_WARN([Ignoring value of $1 from the environment. Use command line variables instead.])
 279       fi
 280       # Try to locate tool using the code snippet
 281       $2
 282     else
 283       # If it succeeded, then it was overridden by the user. We will use it
 284       # for the tool.
 285 
 286       # First remove it from the list of overridden variables, so we can test
 287       # for unknown variables in the end.
 288       CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
 289 
 290       # Check if the provided tool contains a complete path.
 291       tool_specified="[$]$1"
 292       tool_basename="${tool_specified##*/}"
 293       if test "x$tool_basename" = "x$tool_specified"; then
 294         # A command without a complete path is provided, search $PATH.
 295         AC_MSG_NOTICE([Will search for user supplied tool $1=$tool_basename])
 296         AC_PATH_PROG($1, $tool_basename)
 297         if test "x[$]$1" = x; then
 298           AC_MSG_ERROR([User supplied tool $tool_basename could not be found])
 299         fi
 300       else
 301         # Otherwise we believe it is a complete path. Use it as it is.
 302         AC_MSG_NOTICE([Will use user supplied tool $1=$tool_specified])
 303         AC_MSG_CHECKING([for $1])
 304         if test ! -x "$tool_specified"; then
 305           AC_MSG_RESULT([not found])
 306           AC_MSG_ERROR([User supplied tool $1=$tool_specified does not exist or is not executable])
 307         fi
 308         AC_MSG_RESULT([$tool_specified])
 309       fi
 310     fi
 311   fi
 312 ])
 313 
 314 # Call BASIC_SETUP_TOOL with AC_PATH_PROGS to locate the tool
 315 # $1: variable to set
 316 # $2: executable name (or list of names) to look for
 317 AC_DEFUN([BASIC_PATH_PROGS],
 318 [
 319   BASIC_SETUP_TOOL($1, [AC_PATH_PROGS($1, $2)])
 320 ])
 321 
 322 # Call BASIC_SETUP_TOOL with AC_CHECK_TOOLS to locate the tool
 323 # $1: variable to set
 324 # $2: executable name (or list of names) to look for
 325 AC_DEFUN([BASIC_CHECK_TOOLS],
 326 [
 327   BASIC_SETUP_TOOL($1, [AC_CHECK_TOOLS($1, $2)])
 328 ])
 329 
 330 # Like BASIC_PATH_PROGS but fails if no tool was found.
 331 # $1: variable to set
 332 # $2: executable name (or list of names) to look for
 333 AC_DEFUN([BASIC_REQUIRE_PROGS],
 334 [
 335   BASIC_PATH_PROGS($1, $2)
 336   BASIC_CHECK_NONEMPTY($1)
 337 ])
 338 
 339 # Like BASIC_SETUP_TOOL but fails if no tool was found.
 340 # $1: variable to set
 341 # $2: autoconf macro to call to look for the special tool
 342 AC_DEFUN([BASIC_REQUIRE_SPECIAL],
 343 [
 344   BASIC_SETUP_TOOL($1, [$2])
 345   BASIC_CHECK_NONEMPTY($1)
 346 ])
 347 
 348 # Setup the most fundamental tools that relies on not much else to set up,
 349 # but is used by much of the early bootstrap code.
 350 AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
 351 [
 352   # Start with tools that do not need have cross compilation support
 353   # and can be expected to be found in the default PATH. These tools are
 354   # used by configure. Nor are these tools expected to be found in the
 355   # devkit from the builddeps server either, since they are
 356   # needed to download the devkit.
 357 
 358   # First are all the simple required tools.
 359   BASIC_REQUIRE_PROGS(BASENAME, basename)
 360   BASIC_REQUIRE_PROGS(BASH, bash)
 361   BASIC_REQUIRE_PROGS(CAT, cat)
 362   BASIC_REQUIRE_PROGS(CHMOD, chmod)
 363   BASIC_REQUIRE_PROGS(CMP, cmp)
 364   BASIC_REQUIRE_PROGS(COMM, comm)
 365   BASIC_REQUIRE_PROGS(CP, cp)
 366   BASIC_REQUIRE_PROGS(CPIO, cpio)
 367   BASIC_REQUIRE_PROGS(CUT, cut)
 368   BASIC_REQUIRE_PROGS(DATE, date)
 369   BASIC_REQUIRE_PROGS(DIFF, [gdiff diff])
 370   BASIC_REQUIRE_PROGS(DIRNAME, dirname)
 371   BASIC_REQUIRE_PROGS(ECHO, echo)
 372   BASIC_REQUIRE_PROGS(EXPR, expr)
 373   BASIC_REQUIRE_PROGS(FILE, file)
 374   BASIC_REQUIRE_PROGS(FIND, find)
 375   BASIC_REQUIRE_PROGS(HEAD, head)
 376   BASIC_REQUIRE_PROGS(LN, ln)
 377   BASIC_REQUIRE_PROGS(LS, ls)
 378   BASIC_REQUIRE_PROGS(MKDIR, mkdir)
 379   BASIC_REQUIRE_PROGS(MKTEMP, mktemp)
 380   BASIC_REQUIRE_PROGS(MV, mv)
 381   BASIC_REQUIRE_PROGS(NAWK, [nawk gawk awk])
 382   BASIC_REQUIRE_PROGS(PRINTF, printf)
 383   BASIC_REQUIRE_PROGS(RM, rm)
 384   BASIC_REQUIRE_PROGS(SH, sh)
 385   BASIC_REQUIRE_PROGS(SORT, sort)
 386   BASIC_REQUIRE_PROGS(TAIL, tail)
 387   BASIC_REQUIRE_PROGS(TAR, tar)
 388   BASIC_REQUIRE_PROGS(TEE, tee)
 389   BASIC_REQUIRE_PROGS(TOUCH, touch)
 390   BASIC_REQUIRE_PROGS(TR, tr)
 391   BASIC_REQUIRE_PROGS(UNAME, uname)
 392   BASIC_REQUIRE_PROGS(UNIQ, uniq)
 393   BASIC_REQUIRE_PROGS(WC, wc)
 394   BASIC_REQUIRE_PROGS(WHICH, which)
 395   BASIC_REQUIRE_PROGS(XARGS, xargs)
 396 
 397   # Then required tools that require some special treatment.
 398   BASIC_REQUIRE_SPECIAL(AWK, [AC_PROG_AWK])
 399   BASIC_REQUIRE_SPECIAL(GREP, [AC_PROG_GREP])
 400   BASIC_REQUIRE_SPECIAL(EGREP, [AC_PROG_EGREP])
 401   BASIC_REQUIRE_SPECIAL(FGREP, [AC_PROG_FGREP])
 402   BASIC_REQUIRE_SPECIAL(SED, [AC_PROG_SED])
 403 
 404   # Always force rm.
 405   RM="$RM -f"
 406 
 407   # pwd behaves differently on various platforms and some don't support the -L flag.
 408   # Always use the bash builtin pwd to get uniform behavior.
 409   THEPWDCMD=pwd
 410 
 411   # These are not required on all platforms
 412   BASIC_PATH_PROGS(CYGPATH, cygpath)
 413   BASIC_PATH_PROGS(READLINK, [greadlink readlink])
 414   BASIC_PATH_PROGS(DF, df)
 415   BASIC_PATH_PROGS(SETFILE, SetFile)
 416 ])
 417 
 418 # Setup basic configuration paths, and platform-specific stuff related to PATHs.
 419 AC_DEFUN_ONCE([BASIC_SETUP_PATHS],
 420 [
 421   # Locate the directory of this script.
 422   SCRIPT="[$]0"
 423   AUTOCONF_DIR=`cd \`$DIRNAME $SCRIPT\`; $THEPWDCMD -L`
 424 
 425   # Where is the source? It is located two levels above the configure script.
 426   CURDIR="$PWD"
 427   cd "$AUTOCONF_DIR/../.."
 428   SRC_ROOT="`$THEPWDCMD -L`"
 429 
 430   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 431     PATH_SEP=";"
 432     BASIC_CHECK_PATHS_WINDOWS
 433   else
 434     PATH_SEP=":"
 435   fi
 436 
 437   AC_SUBST(SRC_ROOT)
 438   AC_SUBST(PATH_SEP)
 439   cd "$CURDIR"
 440 
 441   BASIC_FIXUP_PATH(SRC_ROOT)
 442   BASIC_FIXUP_PATH(CURDIR)
 443 
 444   if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then
 445     # Add extra search paths on solaris for utilities like ar and as etc...
 446     PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin"
 447   fi
 448 
 449   # You can force the sys-root if the sys-root encoded into the cross compiler tools
 450   # is not correct.
 451   AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root],
 452       [pass this sys-root to the compilers and tools (for cross-compiling)])])
 453 
 454   if test "x$with_sys_root" != x; then
 455     SYS_ROOT=$with_sys_root
 456   else
 457     SYS_ROOT=/
 458   fi
 459   AC_SUBST(SYS_ROOT)
 460 
 461   AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir],
 462       [search this directory for compilers and tools (for cross-compiling)])],
 463       [TOOLS_DIR=$with_tools_dir]
 464   )
 465 
 466   AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit],
 467       [use this directory as base for tools-dir and sys-root (for cross-compiling)])],
 468       [
 469         if test "x$with_sys_root" != x; then
 470           AC_MSG_ERROR([Cannot specify both --with-devkit and --with-sys-root at the same time])
 471         fi
 472         BASIC_FIXUP_PATH([with_devkit])
 473         BASIC_APPEND_TO_PATH([TOOLS_DIR],$with_devkit/bin)
 474         if test -d "$with_devkit/$host_alias/libc"; then
 475           SYS_ROOT=$with_devkit/$host_alias/libc
 476         elif test -d "$with_devkit/$host/sys-root"; then
 477           SYS_ROOT=$with_devkit/$host/sys-root
 478         fi
 479       ])
 480 ])
 481 
 482 AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR],
 483 [
 484 
 485   AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name],
 486       [use this as the name of the configuration @<:@generated from important configuration options@:>@])],
 487       [ CONF_NAME=${with_conf_name} ])
 488 
 489   # Test from where we are running configure, in or outside of src root.
 490   if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" \
 491       || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" \
 492       || test "x$CURDIR" = "x$SRC_ROOT/make" ; then
 493     # We are running configure from the src root.
 494     # Create a default ./build/target-variant-debuglevel output root.
 495     if test "x${CONF_NAME}" = x; then
 496       CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}"
 497     fi
 498     OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}"
 499     $MKDIR -p "$OUTPUT_ROOT"
 500     if test ! -d "$OUTPUT_ROOT"; then
 501       AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT])
 502     fi
 503   else
 504     # We are running configure from outside of the src dir.
 505     # Then use the current directory as output dir!
 506     # If configuration is situated in normal build directory, just use the build
 507     # directory name as configuration name, otherwise use the complete path.
 508     if test "x${CONF_NAME}" = x; then
 509       CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"`
 510     fi
 511     OUTPUT_ROOT="$CURDIR"
 512 
 513     # WARNING: This might be a bad thing to do. You need to be sure you want to
 514     # have a configuration in this directory. Do some sanity checks!
 515 
 516     if test ! -e "$OUTPUT_ROOT/spec.gmk"; then
 517       # If we have a spec.gmk, we have run here before and we are OK. Otherwise, check for
 518       # other files
 519       files_present=`$LS $OUTPUT_ROOT`
 520       # Configure has already touched config.log and confdefs.h in the current dir when this check
 521       # is performed.
 522       filtered_files=`$ECHO "$files_present" | $SED -e 's/config.log//g' -e 's/confdefs.h//g' -e 's/ //g' \
 523       | $TR -d '\n'`
 524       if test "x$filtered_files" != x; then
 525         AC_MSG_NOTICE([Current directory is $CURDIR.])
 526         AC_MSG_NOTICE([Since this is not the source root, configure will output the configuration here])
 527         AC_MSG_NOTICE([(as opposed to creating a configuration in <src_root>/build/<conf-name>).])
 528         AC_MSG_NOTICE([However, this directory is not empty. This is not allowed, since it could])
 529         AC_MSG_NOTICE([seriously mess up just about everything.])
 530         AC_MSG_NOTICE([Try 'cd $SRC_ROOT' and restart configure])
 531         AC_MSG_NOTICE([(or create a new empty directory and cd to it).])
 532         AC_MSG_ERROR([Will not continue creating configuration in $CURDIR])
 533       fi
 534     fi
 535   fi
 536   AC_MSG_CHECKING([what configuration name to use])
 537   AC_MSG_RESULT([$CONF_NAME])
 538 
 539   BASIC_FIXUP_PATH(OUTPUT_ROOT)
 540 
 541   AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk)
 542   AC_SUBST(CONF_NAME, $CONF_NAME)
 543   AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT)
 544 
 545   # Most of the probed defines are put into config.h
 546   AC_CONFIG_HEADERS([$OUTPUT_ROOT/config.h:$AUTOCONF_DIR/config.h.in])
 547   # The spec.gmk file contains all variables for the make system.
 548   AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in])
 549   # The hotspot-spec.gmk file contains legacy variables for the hotspot make system.
 550   AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in])
 551   # The bootcycle-spec.gmk file contains support for boot cycle builds.
 552   AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in])
 553   # The compare.sh is used to compare the build output to other builds.
 554   AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in])
 555   # Spec.sh is currently used by compare-objects.sh
 556   AC_CONFIG_FILES([$OUTPUT_ROOT/spec.sh:$AUTOCONF_DIR/spec.sh.in])
 557   # The generated Makefile knows where the spec.gmk is and where the source is.
 558   # You can run make from the OUTPUT_ROOT, or from the top-level Makefile
 559   # which will look for generated configurations
 560   AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in])
 561 
 562   # Save the arguments given to us
 563   echo "$CONFIGURE_COMMAND_LINE" > $OUTPUT_ROOT/configure-arguments
 564 ])
 565 
 566 AC_DEFUN_ONCE([BASIC_SETUP_LOGGING],
 567 [
 568   # Setup default logging of stdout and stderr to build.log in the output root.
 569   BUILD_LOG='$(OUTPUT_ROOT)/build.log'
 570   BUILD_LOG_PREVIOUS='$(OUTPUT_ROOT)/build.log.old'
 571   BUILD_LOG_WRAPPER='$(BASH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)'
 572   AC_SUBST(BUILD_LOG)
 573   AC_SUBST(BUILD_LOG_PREVIOUS)
 574   AC_SUBST(BUILD_LOG_WRAPPER)
 575 ])
 576 
 577 
 578 #%%% Simple tools %%%
 579 
 580 # Check if we have found a usable version of make
 581 # $1: the path to a potential make binary (or empty)
 582 # $2: the description on how we found this
 583 AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
 584 [
 585   MAKE_CANDIDATE="$1"
 586   DESCRIPTION="$2"
 587   if test "x$MAKE_CANDIDATE" != x; then
 588     AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
 589     MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
 590     IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
 591     if test "x$IS_GNU_MAKE" = x; then
 592       AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
 593     else
 594       IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP -e '3\.8[[12]]' -e '4\.'`
 595       if test "x$IS_MODERN_MAKE" = x; then
 596         AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version 3.81 or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
 597       else
 598         if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
 599           if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
 600             MAKE_EXPECTED_ENV='cygwin'
 601           elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
 602             MAKE_EXPECTED_ENV='msys'
 603           else
 604             AC_MSG_ERROR([Unknown Windows environment])
 605           fi
 606           MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
 607           IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
 608         else
 609           # Not relevant for non-Windows
 610           IS_MAKE_CORRECT_ENV=true
 611         fi
 612         if test "x$IS_MAKE_CORRECT_ENV" = x; then
 613           AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
 614         else
 615           FOUND_MAKE=$MAKE_CANDIDATE
 616           BASIC_FIXUP_EXECUTABLE(FOUND_MAKE)
 617         fi
 618       fi
 619     fi
 620   fi
 621 ])
 622 
 623 # Goes looking for a usable version of GNU make.
 624 AC_DEFUN([BASIC_CHECK_GNU_MAKE],
 625 [
 626   # We need to find a recent version of GNU make. Especially on Solaris, this can be tricky.
 627   if test "x$MAKE" != x; then
 628     # User has supplied a make, test it.
 629     if test ! -f "$MAKE"; then
 630       AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not found.])
 631     fi
 632     BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
 633     if test "x$FOUND_MAKE" = x; then
 634       AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make 3.81 or newer.])
 635     fi
 636   else
 637     # Try our hardest to locate a correct version of GNU make
 638     AC_PATH_PROGS(CHECK_GMAKE, gmake)
 639     BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
 640 
 641     if test "x$FOUND_MAKE" = x; then
 642       AC_PATH_PROGS(CHECK_MAKE, make)
 643       BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
 644     fi
 645 
 646     if test "x$FOUND_MAKE" = x; then
 647       if test "x$TOOLS_DIR" != x; then
 648         # We have a tools-dir, check that as well before giving up.
 649         OLD_PATH=$PATH
 650         PATH=$TOOLS_DIR:$PATH
 651         AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
 652         BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
 653         if test "x$FOUND_MAKE" = x; then
 654           AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make)
 655           BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
 656         fi
 657         PATH=$OLD_PATH
 658       fi
 659     fi
 660 
 661     if test "x$FOUND_MAKE" = x; then
 662       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.])
 663     fi
 664   fi
 665 
 666   MAKE=$FOUND_MAKE
 667   AC_SUBST(MAKE)
 668   AC_MSG_NOTICE([Using GNU make 3.81 (or later) at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
 669 ])
 670 
 671 AC_DEFUN([BASIC_CHECK_FIND_DELETE],
 672 [
 673   # Test if find supports -delete
 674   AC_MSG_CHECKING([if find supports -delete])
 675   FIND_DELETE="-delete"
 676 
 677   DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
 678 
 679   echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
 680 
 681   TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
 682   if test -f $DELETEDIR/TestIfFindSupportsDelete; then
 683     # No, it does not.
 684     rm $DELETEDIR/TestIfFindSupportsDelete
 685     FIND_DELETE="-exec rm \{\} \+"
 686     AC_MSG_RESULT([no])
 687   else
 688     AC_MSG_RESULT([yes])
 689   fi
 690   rmdir $DELETEDIR
 691   AC_SUBST(FIND_DELETE)
 692 ])
 693 
 694 AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
 695 [
 696   BASIC_CHECK_GNU_MAKE
 697 
 698   BASIC_CHECK_FIND_DELETE
 699 
 700   # These tools might not be installed by default,
 701   # need hint on how to install them.
 702   BASIC_REQUIRE_PROGS(UNZIP, unzip)
 703   BASIC_REQUIRE_PROGS(ZIP, zip)
 704 
 705   # Non-required basic tools
 706 
 707   BASIC_PATH_PROGS(LDD, ldd)
 708   if test "x$LDD" = "x"; then
 709     # List shared lib dependencies is used for
 710     # debug output and checking for forbidden dependencies.
 711     # We can build without it.
 712     LDD="true"
 713   fi
 714   BASIC_PATH_PROGS(OTOOL, otool)
 715   if test "x$OTOOL" = "x"; then
 716     OTOOL="true"
 717   fi
 718   BASIC_PATH_PROGS(READELF, [greadelf readelf])
 719   BASIC_PATH_PROGS(HG, hg)
 720   BASIC_PATH_PROGS(STAT, stat)
 721   BASIC_PATH_PROGS(TIME, time)
 722   # Check if it's GNU time
 723   IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU time'`
 724   if test "x$IS_GNU_TIME" != x; then
 725     IS_GNU_TIME=yes
 726   else
 727     IS_GNU_TIME=no
 728   fi
 729   AC_SUBST(IS_GNU_TIME)
 730 
 731   if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
 732     BASIC_REQUIRE_PROGS(COMM, comm)
 733   fi
 734 
 735   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
 736     BASIC_REQUIRE_PROGS(DSYMUTIL, dsymutil)
 737     BASIC_REQUIRE_PROGS(XATTR, xattr)
 738     BASIC_PATH_PROGS(CODESIGN, codesign)
 739     if test "x$CODESIGN" != "x"; then
 740       # Verify that the openjdk_codesign certificate is present
 741       AC_MSG_CHECKING([if openjdk_codesign certificate is present])
 742       rm -f codesign-testfile
 743       touch codesign-testfile
 744       codesign -s openjdk_codesign codesign-testfile 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD || CODESIGN=
 745       rm -f codesign-testfile
 746       if test "x$CODESIGN" = x; then
 747         AC_MSG_RESULT([no])
 748       else
 749         AC_MSG_RESULT([yes])
 750       fi
 751     fi
 752   fi
 753 ])
 754 
 755 # Check if build directory is on local disk. If not possible to determine,
 756 # we prefer to claim it's local.
 757 # Argument 1: directory to test
 758 # Argument 2: what to do if it is on local disk
 759 # Argument 3: what to do otherwise (remote disk or failure)
 760 AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
 761 [
 762   # df -l lists only local disks; if the given directory is not found then
 763   # a non-zero exit code is given
 764   if test "x$DF" = x; then
 765     if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
 766       # msys does not have df; use Windows "net use" instead.
 767       IS_NETWORK_DISK=`net use | grep \`pwd -W | cut -d ":" -f 1 | tr a-z A-Z\`:`
 768       if test "x$IS_NETWORK_DISK" = x; then
 769         $2
 770       else
 771         $3
 772       fi
 773     else
 774       # No df here, say it's local
 775       $2
 776     fi
 777   else
 778     if $DF -l $1 > /dev/null 2>&1; then
 779       $2
 780     else
 781       $3
 782     fi
 783   fi
 784 ])
 785 
 786 # Check that source files have basic read permissions set. This might
 787 # not be the case in cygwin in certain conditions.
 788 AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS],
 789 [
 790   if test x"$OPENJDK_BUILD_OS" = xwindows; then
 791     file_to_test="$SRC_ROOT/LICENSE"
 792     if test `$STAT -c '%a' "$file_to_test"` -lt 400; then
 793       AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.])
 794     fi
 795   fi
 796 ])
 797 
 798 AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
 799 [
 800   # Did user specify any unknown variables?
 801   BASIC_CHECK_LEFTOVER_OVERRIDDEN
 802 
 803   AC_MSG_CHECKING([if build directory is on local disk])
 804   BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT,
 805       [OUTPUT_DIR_IS_LOCAL="yes"],
 806       [OUTPUT_DIR_IS_LOCAL="no"])
 807   AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL)
 808 
 809   BASIC_CHECK_SRC_PERMS
 810 
 811   # Check if the user has any old-style ALT_ variables set.
 812   FOUND_ALT_VARIABLES=`env | grep ^ALT_`
 813 
 814   # Before generating output files, test if they exist. If they do, this is a reconfigure.
 815   # Since we can't properly handle the dependencies for this, warn the user about the situation
 816   if test -e $OUTPUT_ROOT/spec.gmk; then
 817     IS_RECONFIGURE=yes
 818   else
 819     IS_RECONFIGURE=no
 820   fi
 821 ])