author | bpb |
Mon, 01 Feb 2016 15:00:02 -0800 | |
changeset 36443 | d9d59282fc1a |
parent 34120 | 313fb07f49a6 |
child 36506 | 17612cee3530 |
permissions | -rw-r--r-- |
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# |
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# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. |
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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# |
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# This code is free software; you can redistribute it and/or modify it |
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# under the terms of the GNU General Public License version 2 only, as |
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# published by the Free Software Foundation. Oracle designates this |
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# particular file as subject to the "Classpath" exception as provided |
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# by Oracle in the LICENSE file that accompanied this code. |
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# |
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# This code is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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# version 2 for more details (a copy is included in the LICENSE file that |
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# accompanied this code). |
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# |
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# You should have received a copy of the GNU General Public License version |
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# 2 along with this work; if not, write to the Free Software Foundation, |
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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# |
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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# or visit www.oracle.com if you need additional information or have any |
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# questions. |
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# |
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######################################################################## |
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# This file handles detection of the Boot JDK. The Boot JDK detection |
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# process has been developed as a response to solve a complex real-world |
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# problem. Initially, it was simple, but it has grown as platform after |
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# platform, idiosyncracy after idiosyncracy has been supported. |
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# |
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# The basic idea is this: |
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# 1) You need an acceptable *) JDK to use as a Boot JDK |
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# 2) There are several ways to locate a JDK, that are mostly platform |
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# dependent **) |
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# 3) You can have multiple JDKs installed |
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# 4) If possible, configure should try to dig out an acceptable JDK |
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# automatically, without having to resort to command-line options |
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# |
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# *) acceptable means e.g. JDK7 for building JDK8, a complete JDK (with |
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# javac) and not a JRE, etc. |
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# |
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# **) On Windows we typically use a well-known path. |
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# On MacOSX we typically use the tool java_home. |
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# On Linux we typically find javac in the $PATH, and then follow a |
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# chain of symlinks that often ends up in a real JDK. |
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# |
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# This leads to the code where we check in different ways to locate a |
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# JDK, and if one is found, check if it is acceptable. If not, we print |
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# our reasons for rejecting it (useful when debugging non-working |
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# configure situations) and continue checking the next one. |
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######################################################################## |
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# Execute the check given as argument, and verify the result |
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# If the Boot JDK was previously found, do nothing |
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# $1 A command line (typically autoconf macro) to execute |
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AC_DEFUN([BOOTJDK_DO_CHECK], |
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[ |
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if test "x$BOOT_JDK_FOUND" = xno; then |
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# Now execute the test |
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$1 |
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# If previous step claimed to have found a JDK, check it to see if it seems to be valid. |
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if test "x$BOOT_JDK_FOUND" = xmaybe; then |
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# Do we have a bin/java? |
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if test ! -x "$BOOT_JDK/bin/java"; then |
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AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK did not contain bin/java; ignoring]) |
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BOOT_JDK_FOUND=no |
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else |
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# Do we have a bin/javac? |
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if test ! -x "$BOOT_JDK/bin/javac"; then |
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AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK did not contain bin/javac; ignoring]) |
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AC_MSG_NOTICE([(This might be an JRE instead of an JDK)]) |
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BOOT_JDK_FOUND=no |
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else |
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# Oh, this is looking good! We probably have found a proper JDK. Is it the correct version? |
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BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1` |
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# Extra M4 quote needed to protect [] in grep expression. |
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[FOUND_CORRECT_VERSION=`$ECHO $BOOT_JDK_VERSION | $EGREP '\"9([\.+-].*)?\"|(1\.[89]\.)'`] |
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if test "x$FOUND_CORRECT_VERSION" = x; then |
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AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring]) |
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AC_MSG_NOTICE([(Your Boot JDK must be version 8 or 9)]) |
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BOOT_JDK_FOUND=no |
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else |
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# We're done! :-) |
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BOOT_JDK_FOUND=yes |
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BASIC_FIXUP_PATH(BOOT_JDK) |
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AC_MSG_CHECKING([for Boot JDK]) |
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AC_MSG_RESULT([$BOOT_JDK]) |
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AC_MSG_CHECKING([Boot JDK version]) |
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BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $TR '\n\r' ' '` |
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AC_MSG_RESULT([$BOOT_JDK_VERSION]) |
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fi # end check jdk version |
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fi # end check javac |
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fi # end check java |
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fi # end check boot jdk found |
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fi |
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]) |
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# Test: Is bootjdk explicitely set by command line arguments? |
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AC_DEFUN([BOOTJDK_CHECK_ARGUMENTS], |
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[ |
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if test "x$with_boot_jdk" != x; then |
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BOOT_JDK=$with_boot_jdk |
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BOOT_JDK_FOUND=maybe |
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AC_MSG_NOTICE([Found potential Boot JDK using configure arguments]) |
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fi |
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]) |
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# Test: Is $JAVA_HOME set? |
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AC_DEFUN([BOOTJDK_CHECK_JAVA_HOME], |
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[ |
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if test "x$JAVA_HOME" != x; then |
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JAVA_HOME_PROCESSED="$JAVA_HOME" |
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BASIC_FIXUP_PATH(JAVA_HOME_PROCESSED) |
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if test ! -d "$JAVA_HOME_PROCESSED"; then |
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AC_MSG_NOTICE([Your JAVA_HOME points to a non-existing directory!]) |
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else |
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# Aha, the user has set a JAVA_HOME |
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# let us use that as the Boot JDK. |
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BOOT_JDK="$JAVA_HOME_PROCESSED" |
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BOOT_JDK_FOUND=maybe |
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AC_MSG_NOTICE([Found potential Boot JDK using JAVA_HOME]) |
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fi |
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fi |
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]) |
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# Test: Is there a java or javac in the PATH, which is a symlink to the JDK? |
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AC_DEFUN([BOOTJDK_CHECK_JAVA_IN_PATH_IS_SYMLINK], |
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[ |
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AC_PATH_PROG(JAVAC_CHECK, javac) |
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AC_PATH_PROG(JAVA_CHECK, java) |
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BINARY="$JAVAC_CHECK" |
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if test "x$JAVAC_CHECK" = x; then |
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BINARY="$JAVA_CHECK" |
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fi |
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if test "x$BINARY" != x; then |
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# So there is a java(c) binary, it might be part of a JDK. |
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# Lets find the JDK/JRE directory by following symbolic links. |
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# Linux/GNU systems often have links from /usr/bin/java to |
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# /etc/alternatives/java to the real JDK binary. |
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BASIC_REMOVE_SYMBOLIC_LINKS(BINARY) |
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BOOT_JDK=`dirname "$BINARY"` |
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BOOT_JDK=`cd "$BOOT_JDK/.."; pwd` |
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if test -x "$BOOT_JDK/bin/javac" && test -x "$BOOT_JDK/bin/java"; then |
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# Looks like we found ourselves an JDK |
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BOOT_JDK_FOUND=maybe |
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AC_MSG_NOTICE([Found potential Boot JDK using java(c) in PATH]) |
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fi |
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fi |
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]) |
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# Test: Is there a /usr/libexec/java_home? (Typically on MacOSX) |
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# $1: Argument to the java_home binary (optional) |
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AC_DEFUN([BOOTJDK_CHECK_LIBEXEC_JAVA_HOME], |
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[ |
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if test -x /usr/libexec/java_home; then |
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BOOT_JDK=`/usr/libexec/java_home $1` |
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BOOT_JDK_FOUND=maybe |
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AC_MSG_NOTICE([Found potential Boot JDK using /usr/libexec/java_home $1]) |
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fi |
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]) |
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# Test: On MacOS X, can we find a boot jdk using /usr/libexec/java_home? |
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AC_DEFUN([BOOTJDK_CHECK_MACOSX_JAVA_LOCATOR], |
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[ |
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if test "x$OPENJDK_TARGET_OS" = xmacosx; then |
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# First check at user selected default |
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BOOTJDK_DO_CHECK([BOOTJDK_CHECK_LIBEXEC_JAVA_HOME()]) |
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# If that did not work out (e.g. too old), try explicit versions instead |
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BOOTJDK_DO_CHECK([BOOTJDK_CHECK_LIBEXEC_JAVA_HOME([-v 1.9])]) |
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BOOTJDK_DO_CHECK([BOOTJDK_CHECK_LIBEXEC_JAVA_HOME([-v 1.8])]) |
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BOOTJDK_DO_CHECK([BOOTJDK_CHECK_LIBEXEC_JAVA_HOME([-v 1.7])]) |
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fi |
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]) |
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# Look for a jdk in the given path. If there are multiple, try to select the newest. |
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# If found, set BOOT_JDK and BOOT_JDK_FOUND. |
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# $1 = Path to directory containing jdk installations. |
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# $2 = String to append to the found JDK directory to get the proper JDK home |
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AC_DEFUN([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY], |
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[ |
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BOOT_JDK_PREFIX="$1" |
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BOOT_JDK_SUFFIX="$2" |
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ALL_JDKS_FOUND=`$LS "$BOOT_JDK_PREFIX" 2> /dev/null | $SORT -r` |
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if test "x$ALL_JDKS_FOUND" != x; then |
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for JDK_TO_TRY in $ALL_JDKS_FOUND ; do |
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BOOTJDK_DO_CHECK([ |
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BOOT_JDK="${BOOT_JDK_PREFIX}/${JDK_TO_TRY}${BOOT_JDK_SUFFIX}" |
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if test -d "$BOOT_JDK"; then |
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BOOT_JDK_FOUND=maybe |
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AC_MSG_NOTICE([Found potential Boot JDK using well-known locations (in $BOOT_JDK_PREFIX/$JDK_TO_TRY)]) |
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fi |
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]) |
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done |
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fi |
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]) |
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# Call BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY, but use the given |
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# environmental variable as base for where to look. |
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# $1 Name of an environmal variable, assumed to point to the Program Files directory. |
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AC_DEFUN([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY], |
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[ |
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if test "x[$]$1" != x; then |
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VIRTUAL_DIR="[$]$1/Java" |
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BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(VIRTUAL_DIR) |
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BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY($VIRTUAL_DIR) |
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fi |
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]) |
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# Test: Is there a JDK installed in default, well-known locations? |
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AC_DEFUN([BOOTJDK_CHECK_WELL_KNOWN_LOCATIONS], |
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[ |
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if test "x$OPENJDK_TARGET_OS" = xwindows; then |
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BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([ProgramW6432])]) |
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BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([PROGRAMW6432])]) |
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BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([PROGRAMFILES])]) |
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BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([ProgramFiles])]) |
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BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/cygdrive/c/Program Files/Java])]) |
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elif test "x$OPENJDK_TARGET_OS" = xmacosx; then |
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BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/Library/Java/JavaVirtualMachines],[/Contents/Home])]) |
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BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/System/Library/Java/JavaVirtualMachines],[/Contents/Home])]) |
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elif test "x$OPENJDK_TARGET_OS" = xlinux; then |
225 |
BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/usr/lib/jvm])]) |
|
13697 | 226 |
fi |
227 |
]) |
|
228 |
||
229 |
# Check that a command-line tool in the Boot JDK is correct |
|
230 |
# $1 = name of variable to assign |
|
231 |
# $2 = name of binary |
|
232 |
AC_DEFUN([BOOTJDK_CHECK_TOOL_IN_BOOTJDK], |
|
233 |
[ |
|
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# Use user overridden value if available, otherwise locate tool in the Boot JDK. |
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BASIC_SETUP_TOOL($1, |
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[ |
237 |
AC_MSG_CHECKING([for $2 in Boot JDK]) |
|
238 |
$1=$BOOT_JDK/bin/$2 |
|
239 |
if test ! -x [$]$1; then |
|
240 |
AC_MSG_RESULT(not found) |
|
241 |
AC_MSG_NOTICE([Your Boot JDK seems broken. This might be fixed by explicitely setting --with-boot-jdk]) |
|
242 |
AC_MSG_ERROR([Could not find $2 in the Boot JDK]) |
|
243 |
fi |
|
244 |
AC_MSG_RESULT(ok) |
|
245 |
AC_SUBST($1) |
|
246 |
]) |
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]) |
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############################################################################### |
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# |
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# We need a Boot JDK to bootstrap the build. |
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# |
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|
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AC_DEFUN_ONCE([BOOTJDK_SETUP_BOOT_JDK], |
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[ |
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BOOT_JDK_FOUND=no |
257 |
AC_ARG_WITH(boot-jdk, [AS_HELP_STRING([--with-boot-jdk], |
|
258 |
[path to Boot JDK (used to bootstrap build) @<:@probed@:>@])]) |
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|
20363 | 260 |
# We look for the Boot JDK through various means, going from more certain to |
261 |
# more of a guess-work. After each test, BOOT_JDK_FOUND is set to "yes" if |
|
262 |
# we detected something (if so, the path to the jdk is in BOOT_JDK). But we |
|
263 |
# must check if this is indeed valid; otherwise we'll continue looking. |
|
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|
20363 | 265 |
# Test: Is bootjdk explicitely set by command line arguments? |
266 |
BOOTJDK_DO_CHECK([BOOTJDK_CHECK_ARGUMENTS]) |
|
267 |
if test "x$with_boot_jdk" != x && test "x$BOOT_JDK_FOUND" = xno; then |
|
268 |
# Having specified an argument which is incorrect will produce an instant failure; |
|
269 |
# we should not go on looking |
|
270 |
AC_MSG_ERROR([The path given by --with-boot-jdk does not contain a valid Boot JDK]) |
|
271 |
fi |
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|
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# Test: On MacOS X, can we find a boot jdk using /usr/libexec/java_home? |
274 |
BOOTJDK_DO_CHECK([BOOTJDK_CHECK_MACOSX_JAVA_LOCATOR]) |
|
275 |
||
20363 | 276 |
# Test: Is $JAVA_HOME set? |
277 |
BOOTJDK_DO_CHECK([BOOTJDK_CHECK_JAVA_HOME]) |
|
13697 | 278 |
|
20363 | 279 |
# Test: Is there a java or javac in the PATH, which is a symlink to the JDK? |
280 |
BOOTJDK_DO_CHECK([BOOTJDK_CHECK_JAVA_IN_PATH_IS_SYMLINK]) |
|
13697 | 281 |
|
20363 | 282 |
# Test: Is there a JDK installed in default, well-known locations? |
283 |
BOOTJDK_DO_CHECK([BOOTJDK_CHECK_WELL_KNOWN_LOCATIONS]) |
|
13697 | 284 |
|
20363 | 285 |
# If we haven't found anything yet, we've truly lost. Give up. |
286 |
if test "x$BOOT_JDK_FOUND" = xno; then |
|
287 |
HELP_MSG_MISSING_DEPENDENCY([openjdk]) |
|
288 |
AC_MSG_NOTICE([Could not find a valid Boot JDK. $HELP_MSG]) |
|
289 |
AC_MSG_NOTICE([This might be fixed by explicitely setting --with-boot-jdk]) |
|
290 |
AC_MSG_ERROR([Cannot continue]) |
|
291 |
fi |
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|
20363 | 293 |
AC_SUBST(BOOT_JDK) |
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|
20363 | 295 |
# Setup tools from the Boot JDK. |
22477 | 296 |
BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVA, java) |
297 |
BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVAC, javac) |
|
298 |
BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVAH, javah) |
|
299 |
BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAR, jar) |
|
300 |
BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JARSIGNER, jarsigner) |
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301 |
|
20363 | 302 |
# Finally, set some other options... |
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303 |
|
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# When compiling code to be executed by the Boot JDK, force jdk8 compatibility. |
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BOOT_JDK_SOURCETARGET="-source 8 -target 8" |
20363 | 306 |
AC_SUBST(BOOT_JDK_SOURCETARGET) |
307 |
AC_SUBST(JAVAC_FLAGS) |
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308 |
|
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# Check if the boot jdk is 32 or 64 bit |
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if "$JAVA" -d64 -version > /dev/null 2>&1; then |
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BOOT_JDK_BITS="64" |
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else |
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BOOT_JDK_BITS="32" |
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fi |
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AC_MSG_CHECKING([if Boot JDK is 32 or 64 bits]) |
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AC_MSG_RESULT([$BOOT_JDK_BITS]) |
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AC_SUBST(BOOT_JDK_BITS) |
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]) |
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AC_DEFUN_ONCE([BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS], |
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[ |
20363 | 322 |
############################################################################## |
323 |
# |
|
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# Specify jvm options for anything that is run with the Boot JDK. |
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|
325 |
# Not all JVM:s accept the same arguments on the command line. |
20363 | 326 |
# |
327 |
AC_ARG_WITH(boot-jdk-jvmargs, [AS_HELP_STRING([--with-boot-jdk-jvmargs], |
|
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|
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[specify JVM arguments to be passed to all java invocations of boot JDK, overriding the default values, |
20363 | 329 |
e.g --with-boot-jdk-jvmargs="-Xmx8G -enableassertions"])]) |
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|
330 |
|
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|
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AC_MSG_CHECKING([flags for boot jdk java command] ) |
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|
332 |
|
23171 | 333 |
# Disable special log output when a debug build is used as Boot JDK... |
334 |
ADD_JVM_ARG_IF_OK([-XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput],boot_jdk_jvmargs,[$JAVA]) |
|
335 |
||
336 |
# Apply user provided options. |
|
337 |
ADD_JVM_ARG_IF_OK([$with_boot_jdk_jvmargs],boot_jdk_jvmargs,[$JAVA]) |
|
338 |
||
339 |
AC_MSG_RESULT([$boot_jdk_jvmargs]) |
|
340 |
||
341 |
# For now, general JAVA_FLAGS are the same as the boot jdk jvmargs |
|
342 |
JAVA_FLAGS=$boot_jdk_jvmargs |
|
343 |
AC_SUBST(JAVA_FLAGS) |
|
344 |
||
345 |
||
346 |
AC_MSG_CHECKING([flags for boot jdk java command for big workloads]) |
|
347 |
||
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|
348 |
# Starting amount of heap memory. |
23171 | 349 |
ADD_JVM_ARG_IF_OK([-Xms64M],boot_jdk_jvmargs_big,[$JAVA]) |
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350 |
|
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|
351 |
# Maximum amount of heap memory. |
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|
352 |
# Maximum stack size. |
26131 | 353 |
JVM_MAX_HEAP=`expr $MEMORY_SIZE / 2` |
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|
354 |
if test "x$BOOT_JDK_BITS" = "x32"; then |
26131 | 355 |
if test "$JVM_MAX_HEAP" -gt "1100"; then |
356 |
JVM_MAX_HEAP=1100 |
|
357 |
elif test "$JVM_MAX_HEAP" -lt "512"; then |
|
358 |
JVM_MAX_HEAP=512 |
|
359 |
fi |
|
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|
360 |
STACK_SIZE=768 |
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|
361 |
else |
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|
362 |
# Running a 64 bit JVM allows for and requires a bigger heap |
26131 | 363 |
if test "$JVM_MAX_HEAP" -gt "1600"; then |
364 |
JVM_MAX_HEAP=1600 |
|
365 |
elif test "$JVM_MAX_HEAP" -lt "512"; then |
|
366 |
JVM_MAX_HEAP=512 |
|
367 |
fi |
|
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|
368 |
STACK_SIZE=1536 |
20363 | 369 |
fi |
26131 | 370 |
ADD_JVM_ARG_IF_OK([-Xmx${JVM_MAX_HEAP}M],boot_jdk_jvmargs_big,[$JAVA]) |
23171 | 371 |
ADD_JVM_ARG_IF_OK([-XX:ThreadStackSize=$STACK_SIZE],boot_jdk_jvmargs_big,[$JAVA]) |
372 |
||
373 |
AC_MSG_RESULT([$boot_jdk_jvmargs_big]) |
|
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|
374 |
|
23171 | 375 |
JAVA_FLAGS_BIG=$boot_jdk_jvmargs_big |
376 |
AC_SUBST(JAVA_FLAGS_BIG) |
|
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|
377 |
|
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|
378 |
# By default, the main javac compilations use big |
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|
379 |
JAVA_FLAGS_JAVAC="$JAVA_FLAGS_BIG" |
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|
380 |
AC_SUBST(JAVA_FLAGS_JAVAC) |
23171 | 381 |
|
382 |
AC_MSG_CHECKING([flags for boot jdk java command for small workloads]) |
|
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|
383 |
|
23171 | 384 |
# Use serial gc for small short lived tools if possible |
385 |
ADD_JVM_ARG_IF_OK([-XX:+UseSerialGC],boot_jdk_jvmargs_small,[$JAVA]) |
|
386 |
ADD_JVM_ARG_IF_OK([-Xms32M],boot_jdk_jvmargs_small,[$JAVA]) |
|
387 |
ADD_JVM_ARG_IF_OK([-Xmx512M],boot_jdk_jvmargs_small,[$JAVA]) |
|
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|
388 |
|
23171 | 389 |
AC_MSG_RESULT([$boot_jdk_jvmargs_small]) |
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|
390 |
|
23171 | 391 |
JAVA_FLAGS_SMALL=$boot_jdk_jvmargs_small |
392 |
AC_SUBST(JAVA_FLAGS_SMALL) |
|
25854 | 393 |
|
394 |
JAVA_TOOL_FLAGS_SMALL="" |
|
395 |
for f in $JAVA_FLAGS_SMALL; do |
|
396 |
JAVA_TOOL_FLAGS_SMALL="$JAVA_TOOL_FLAGS_SMALL -J$f" |
|
397 |
done |
|
398 |
AC_SUBST(JAVA_TOOL_FLAGS_SMALL) |
|
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399 |
]) |