erikj@459: #
erikj@459: # Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
erikj@459: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
erikj@459: #
erikj@459: # This code is free software; you can redistribute it and/or modify it
erikj@459: # under the terms of the GNU General Public License version 2 only, as
erikj@459: # published by the Free Software Foundation.  Oracle designates this
erikj@459: # particular file as subject to the "Classpath" exception as provided
erikj@459: # by Oracle in the LICENSE file that accompanied this code.
erikj@459: #
erikj@459: # This code is distributed in the hope that it will be useful, but WITHOUT
erikj@459: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
erikj@459: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
erikj@459: # version 2 for more details (a copy is included in the LICENSE file that
erikj@459: # accompanied this code).
erikj@459: #
erikj@459: # You should have received a copy of the GNU General Public License version
erikj@459: # 2 along with this work; if not, write to the Free Software Foundation,
erikj@459: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
erikj@459: #
erikj@459: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
erikj@459: # or visit www.oracle.com if you need additional information or have any
erikj@459: # questions.
erikj@459: #
erikj@459: 
ohair@478: # Execute the check given as argument, and verify the result
ohair@478: # If the Boot JDK was previously found, do nothing
ohair@478: # $1 A command line (typically autoconf macro) to execute
ohair@478: AC_DEFUN([BOOTJDK_DO_CHECK],
erikj@459: [
ohair@478:   if test "x$BOOT_JDK_FOUND" = xno; then
ohair@478:     # Now execute the test
ohair@478:     $1
ohair@478: 
ohair@478:     # If previous step claimed to have found a JDK, check it to see if it seems to be valid.
ohair@478:     if test "x$BOOT_JDK_FOUND" = xmaybe; then
ohair@478:       # Do we have a bin/java?
ohair@478:       if test ! -x "$BOOT_JDK/bin/java"; then
ohair@478:         AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK did not contain bin/java; ignoring])
ohair@478:         BOOT_JDK_FOUND=no
ohair@478:       else
ohair@478:         # Do we have a bin/javac?
ohair@478:         if test ! -x "$BOOT_JDK/bin/javac"; then
ohair@478:           AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK did not contain bin/javac; ignoring])
ohair@478:           AC_MSG_NOTICE([(This might be an JRE instead of an JDK)])
ohair@478:           BOOT_JDK_FOUND=no
ihse@839:         else
ohair@478:           # Do we have an rt.jar? (On MacOSX it is called classes.jar)
ohair@478:           if test ! -f "$BOOT_JDK/jre/lib/rt.jar" && test ! -f "$BOOT_JDK/../Classes/classes.jar"; then
ohair@478:             AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK did not contain an rt.jar; ignoring])
ohair@478:             BOOT_JDK_FOUND=no
ohair@478:           else
ohair@478:             # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
ohair@478:             BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
ohair@478: 
ohair@478:             # Extra M4 quote needed to protect [] in grep expression.
ohair@478:             [FOUND_VERSION_78=`echo $BOOT_JDK_VERSION | grep  '\"1\.[78]\.'`]
ohair@478:             if test "x$FOUND_VERSION_78" = x; then
ohair@478:               AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring])
ohair@478:               AC_MSG_NOTICE([(Your Boot JDK must be version 7 or 8)])
ohair@478:               BOOT_JDK_FOUND=no
ohair@478:             else
ohair@478:               # We're done! :-)
ohair@478:               BOOT_JDK_FOUND=yes
ohair@494:               BASIC_FIXUP_PATH(BOOT_JDK)
ohair@478:               AC_MSG_CHECKING([for Boot JDK])
ohair@494:               AC_MSG_RESULT([$BOOT_JDK])
ohair@494:               AC_MSG_CHECKING([Boot JDK version])
ohair@494:               BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $TR '\n\r' '  '`
ohair@494:               AC_MSG_RESULT([$BOOT_JDK_VERSION])
ohair@478:             fi # end check jdk version
ohair@478:           fi # end check rt.jar
ohair@478:         fi # end check javac
ohair@478:       fi # end check java
ohair@478:     fi # end check boot jdk found
ohair@478:   fi
ohair@478: ])
ohair@478: 
ohair@478: # Test: Is bootjdk explicitely set by command line arguments?
ohair@478: AC_DEFUN([BOOTJDK_CHECK_ARGUMENTS],
ohair@478: [
ihse@839:   if test "x$with_boot_jdk" != x; then
ohair@478:     BOOT_JDK=$with_boot_jdk
ohair@478:     BOOT_JDK_FOUND=maybe
ohair@478:     AC_MSG_NOTICE([Found potential Boot JDK using configure arguments])
ihse@839:   fi
ohair@478: ])
ohair@478: 
ohair@478: # Test: Is bootjdk available from builddeps?
ohair@478: AC_DEFUN([BOOTJDK_CHECK_BUILDDEPS],
ohair@478: [
ihse@839:   BDEPS_CHECK_MODULE(BOOT_JDK, bootjdk, xxx, [BOOT_JDK_FOUND=maybe], [BOOT_JDK_FOUND=no])
ohair@478: ])
ohair@478: 
ohair@478: # Test: Is $JAVA_HOME set?
ohair@478: AC_DEFUN([BOOTJDK_CHECK_JAVA_HOME],
ohair@478: [
ihse@839:   if test "x$JAVA_HOME" != x; then
ihse@839:     JAVA_HOME_PROCESSED="$JAVA_HOME"
ihse@839:     BASIC_FIXUP_PATH(JAVA_HOME_PROCESSED)
ihse@839:     if test ! -d "$JAVA_HOME_PROCESSED"; then
ihse@839:       AC_MSG_NOTICE([Your JAVA_HOME points to a non-existing directory!])
ihse@839:     else
ihse@839:       # Aha, the user has set a JAVA_HOME
ihse@839:       # let us use that as the Boot JDK.
ihse@839:       BOOT_JDK="$JAVA_HOME_PROCESSED"
ihse@839:       BOOT_JDK_FOUND=maybe
ihse@839:       AC_MSG_NOTICE([Found potential Boot JDK using JAVA_HOME])
erikj@459:     fi
ihse@839:   fi
erikj@459: ])
erikj@459: 
ohair@478: # Test: Is there a java or javac in the PATH, which is a symlink to the JDK?
ohair@478: AC_DEFUN([BOOTJDK_CHECK_JAVA_IN_PATH_IS_SYMLINK],
erikj@459: [
ihse@839:   AC_PATH_PROG(JAVAC_CHECK, javac)
ihse@839:   AC_PATH_PROG(JAVA_CHECK, java)
ihse@839:   BINARY="$JAVAC_CHECK"
ihse@839:   if test "x$JAVAC_CHECK" = x; then
ihse@839:     BINARY="$JAVA_CHECK"
ihse@839:   fi
ihse@839:   if test "x$BINARY" != x; then
ihse@839:     # So there is a java(c) binary, it might be part of a JDK.
ihse@839:     # Lets find the JDK/JRE directory by following symbolic links.
ihse@839:     # Linux/GNU systems often have links from /usr/bin/java to
ihse@839:     # /etc/alternatives/java to the real JDK binary.
ihse@839:     BASIC_REMOVE_SYMBOLIC_LINKS(BINARY)
ihse@839:     BOOT_JDK=`dirname "$BINARY"`
ihse@839:     BOOT_JDK=`cd "$BOOT_JDK/.."; pwd`
ihse@839:     if test -x "$BOOT_JDK/bin/javac" && test -x "$BOOT_JDK/bin/java"; then
ihse@839:       # Looks like we found ourselves an JDK
ihse@839:       BOOT_JDK_FOUND=maybe
ihse@839:       AC_MSG_NOTICE([Found potential Boot JDK using java(c) in PATH])
ohair@478:     fi
ihse@839:   fi
ohair@478: ])
ohair@478: 
ohair@478: # Test: Is there a /usr/libexec/java_home? (Typically on MacOSX)
ohair@478: AC_DEFUN([BOOTJDK_CHECK_LIBEXEC_JAVA_HOME],
ohair@478: [
ihse@839:   if test -x /usr/libexec/java_home; then
ihse@839:     BOOT_JDK=`/usr/libexec/java_home`
ihse@839:     BOOT_JDK_FOUND=maybe
ihse@839:     AC_MSG_NOTICE([Found potential Boot JDK using /usr/libexec/java_home])
ihse@839:   fi
ohair@478: ])
ohair@478: 
ohair@478: # Look for a jdk in the given path. If there are multiple, try to select the newest.
ohair@478: # If found, set BOOT_JDK and BOOT_JDK_FOUND.
ohair@478: # $1 = Path to directory containing jdk installations.
ohair@478: # $2 = String to append to the found JDK directory to get the proper JDK home
ohair@478: AC_DEFUN([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY],
ohair@478: [
ohair@478:   BOOT_JDK_PREFIX="$1"
ohair@478:   BOOT_JDK_SUFFIX="$2"
ohair@494:   ALL_JDKS_FOUND=`$LS "$BOOT_JDK_PREFIX" 2> /dev/null | $SORT -r`
ohair@494:   if test "x$ALL_JDKS_FOUND" != x; then
ohair@494:     for JDK_TO_TRY in $ALL_JDKS_FOUND ; do
ohair@494:       BOOTJDK_DO_CHECK([
ohair@494:         BOOT_JDK="${BOOT_JDK_PREFIX}/${JDK_TO_TRY}${BOOT_JDK_SUFFIX}"
ohair@494:         if test -d "$BOOT_JDK"; then
ohair@494:           BOOT_JDK_FOUND=maybe
ohair@494:           AC_MSG_NOTICE([Found potential Boot JDK using well-known locations (in $BOOT_JDK_PREFIX/$JDK_TO_TRY)])
ohair@494:         fi
ohair@494:       ])
ohair@494:     done
ohair@478:   fi
ohair@478: ])
ohair@478: 
ohair@478: # Call BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY, but use the given
ohair@478: # environmental variable as base for where to look.
ohair@478: # $1 Name of an environmal variable, assumed to point to the Program Files directory.
ohair@478: AC_DEFUN([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY],
ohair@478: [
ohair@478:   if test "x[$]$1" != x; then
ohair@494:     VIRTUAL_DIR="[$]$1/Java"
ohair@494:     BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(VIRTUAL_DIR)
ohair@494:     BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY($VIRTUAL_DIR)
ohair@478:   fi
ohair@478: ])
ohair@478: 
ohair@478: # Test: Is there a JDK installed in default, well-known locations?
ohair@478: AC_DEFUN([BOOTJDK_CHECK_WELL_KNOWN_LOCATIONS],
ohair@478: [
ohair@478:   if test "x$OPENJDK_TARGET_OS" = xwindows; then
ohair@478:     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([ProgramW6432])])
ohair@478:     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([PROGRAMW6432])])
ohair@478:     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([PROGRAMFILES])])
ohair@478:     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([ProgramFiles])])
ohair@478:     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/cygdrive/c/Program Files/Java])])
ohair@478:   elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
ohair@478:     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/Library/Java/JavaVirtualMachines],[/Contents/Home])])
ohair@478:     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/System/Library/Java/JavaVirtualMachines],[/Contents/Home])])
ohair@494:   elif test "x$OPENJDK_TARGET_OS" = xlinux; then
ohair@494:     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/usr/lib/jvm])])
ohair@478:   fi
ohair@478: ])
ohair@478: 
ohair@478: # Check that a command-line tool in the Boot JDK is correct
ohair@478: # $1 = name of variable to assign
ohair@478: # $2 = name of binary
ohair@478: AC_DEFUN([BOOTJDK_CHECK_TOOL_IN_BOOTJDK],
ohair@478: [
ohair@478:   AC_MSG_CHECKING([for $2 in Boot JDK])
ohair@478:   $1=$BOOT_JDK/bin/$2
ohair@478:   if test ! -x [$]$1; then
ihse@839:     AC_MSG_RESULT(not found)
ihse@839:     AC_MSG_NOTICE([Your Boot JDK seems broken. This might be fixed by explicitely setting --with-boot-jdk])
ihse@839:     AC_MSG_ERROR([Could not find $2 in the Boot JDK])
ohair@478:   fi
ohair@478:   AC_MSG_RESULT(ok)
erikj@459: ])
erikj@459: 
erikj@459: ###############################################################################
erikj@459: #
ihse@839: # We need a Boot JDK to bootstrap the build.
erikj@459: #
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BOOTJDK_SETUP_BOOT_JDK],
erikj@459: [
ihse@839:   BOOT_JDK_FOUND=no
ihse@839:   AC_ARG_WITH(boot-jdk, [AS_HELP_STRING([--with-boot-jdk],
ihse@839:       [path to Boot JDK (used to bootstrap build) @<:@probed@:>@])])
ohair@478: 
ihse@839:   # We look for the Boot JDK through various means, going from more certain to
ihse@839:   # more of a guess-work. After each test, BOOT_JDK_FOUND is set to "yes" if
ihse@839:   # we detected something (if so, the path to the jdk is in BOOT_JDK). But we
ihse@839:   # must check if this is indeed valid; otherwise we'll continue looking.
ohair@478: 
ihse@839:   # Test: Is bootjdk explicitely set by command line arguments?
ihse@839:   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_ARGUMENTS])
ihse@839:   if test "x$with_boot_jdk" != x && test "x$BOOT_JDK_FOUND" = xno; then
ihse@839:     # Having specified an argument which is incorrect will produce an instant failure;
ihse@839:     # we should not go on looking
ihse@839:     AC_MSG_ERROR([The path given by --with-boot-jdk does not contain a valid Boot JDK])
ihse@839:   fi
erikj@459: 
ihse@839:   # Test: Is bootjdk available from builddeps?
ihse@839:   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_BUILDDEPS])
ohair@478: 
ihse@839:   # Test: Is $JAVA_HOME set?
ihse@839:   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_JAVA_HOME])
ohair@478: 
ihse@839:   # Test: Is there a /usr/libexec/java_home? (Typically on MacOSX)
ihse@839:   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_LIBEXEC_JAVA_HOME])
ohair@478: 
ihse@839:   # Test: Is there a java or javac in the PATH, which is a symlink to the JDK?
ihse@839:   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_JAVA_IN_PATH_IS_SYMLINK])
ohair@478: 
ihse@839:   # Test: Is there a JDK installed in default, well-known locations?
ihse@839:   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_WELL_KNOWN_LOCATIONS])
ohair@478: 
ihse@839:   # If we haven't found anything yet, we've truly lost. Give up.
ihse@839:   if test "x$BOOT_JDK_FOUND" = xno; then
ihse@839:     HELP_MSG_MISSING_DEPENDENCY([openjdk])
ihse@839:     AC_MSG_NOTICE([Could not find a valid Boot JDK. $HELP_MSG])
ihse@839:     AC_MSG_NOTICE([This might be fixed by explicitely setting --with-boot-jdk])
ihse@839:     AC_MSG_ERROR([Cannot continue])
ihse@839:   fi
ohair@478: 
ihse@839:   # Setup proper paths for what we found
ihse@839:   BOOT_RTJAR="$BOOT_JDK/jre/lib/rt.jar"
ihse@839:   if test ! -f "$BOOT_RTJAR"; then
ohair@478:     # On MacOSX it is called classes.jar
ohair@478:     BOOT_RTJAR="$BOOT_JDK/../Classes/classes.jar"
ohair@478:     if test -f "$BOOT_RTJAR"; then
ihse@839:       # Remove the ..
ohair@478:       BOOT_RTJAR="`cd ${BOOT_RTJAR%/*} && pwd`/${BOOT_RTJAR##*/}"
erikj@459:     fi
ihse@839:   fi
ihse@839:   BOOT_TOOLSJAR="$BOOT_JDK/lib/tools.jar"
ihse@839:   BOOT_JDK="$BOOT_JDK"
ihse@839:   AC_SUBST(BOOT_RTJAR)
ihse@839:   AC_SUBST(BOOT_TOOLSJAR)
ihse@839:   AC_SUBST(BOOT_JDK)
erikj@459: 
ihse@839:   # Setup tools from the Boot JDK.
ihse@839:   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVA,java)
ihse@839:   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVAC,javac)
ihse@839:   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVAH,javah)
ihse@839:   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVAP,javap)
ihse@839:   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAR,jar)
ihse@839:   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(RMIC,rmic)
ihse@839:   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(NATIVE2ASCII,native2ascii)
erikj@459: 
ihse@839:   # Finally, set some other options...
erikj@459: 
ihse@839:   # When compiling code to be executed by the Boot JDK, force jdk7 compatibility.
ihse@839:   BOOT_JDK_SOURCETARGET="-source 7 -target 7"
ihse@839:   AC_SUBST(BOOT_JDK_SOURCETARGET)
ihse@839:   AC_SUBST(JAVAC_FLAGS)
erikj@1580: 
erikj@1580:   # Check if the boot jdk is 32 or 64 bit
erikj@1580:   if "$JAVA" -d64 -version > /dev/null 2>&1; then
erikj@1580:     BOOT_JDK_BITS="64"
erikj@1580:   else
erikj@1580:     BOOT_JDK_BITS="32"
erikj@1580:   fi
erikj@1580:   AC_MSG_CHECKING([if Boot JDK is 32 or 64 bits])
erikj@1580:   AC_MSG_RESULT([$BOOT_JDK_BITS])
erikj@1580:   AC_SUBST(BOOT_JDK_BITS)
erikj@459: ])
erikj@459: 
erikj@459: AC_DEFUN_ONCE([BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS],
erikj@459: [
ihse@839:   ##############################################################################
ihse@839:   #
ihse@839:   # Specify options for anything that is run with the Boot JDK.
ihse@839:   #
ihse@839:   AC_ARG_WITH(boot-jdk-jvmargs, [AS_HELP_STRING([--with-boot-jdk-jvmargs],
ihse@839:   [specify JVM arguments to be passed to all invocations of the Boot JDK, overriding the default values,
ihse@839:   e.g --with-boot-jdk-jvmargs="-Xmx8G -enableassertions"])])
erikj@459: 
erikj@1187:   AC_MSG_CHECKING([flags for boot jdk java command] )
erikj@459: 
erikj@1187:   # Disable special log output when a debug build is used as Boot JDK...
erikj@1187:   ADD_JVM_ARG_IF_OK([-XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput],boot_jdk_jvmargs,[$JAVA])
erikj@1187: 
erikj@1187:   # Apply user provided options.
erikj@1187:   ADD_JVM_ARG_IF_OK([$with_boot_jdk_jvmargs],boot_jdk_jvmargs,[$JAVA])
erikj@1187: 
erikj@1187:   AC_MSG_RESULT([$boot_jdk_jvmargs])
erikj@1187: 
erikj@1187:   # For now, general JAVA_FLAGS are the same as the boot jdk jvmargs
erikj@1187:   JAVA_FLAGS=$boot_jdk_jvmargs
erikj@1187:   AC_SUBST(JAVA_FLAGS)
erikj@1187: 
erikj@1187: 
erikj@1187:   AC_MSG_CHECKING([flags for boot jdk java command for big workloads])
erikj@1187: 
erikj@1187:   # Starting amount of heap memory.
erikj@1187:   ADD_JVM_ARG_IF_OK([-Xms64M],boot_jdk_jvmargs_big,[$JAVA])
erikj@1187: 
erikj@1187:   # Maximum amount of heap memory.
erikj@1187:   # Maximum stack size.
erikj@1580:   if test "x$BOOT_JDK_BITS" = x32; then
sgehwolf@2222:     JVM_MAX_HEAP=768M
erikj@1187:     STACK_SIZE=768
erikj@1187:   else
erikj@1187:     # Running Javac on a JVM on a 64-bit machine, takes more space since 64-bit
erikj@1187:     # pointers are used. Apparently, we need to increase the heap and stack
erikj@1187:     # space for the jvm. More specifically, when running javac to build huge
erikj@1187:     # jdk batch
erikj@1187:     JVM_MAX_HEAP=1600M
erikj@1187:     STACK_SIZE=1536
ihse@839:   fi
erikj@1187:   ADD_JVM_ARG_IF_OK([-Xmx$JVM_MAX_HEAP],boot_jdk_jvmargs_big,[$JAVA])
erikj@1187:   ADD_JVM_ARG_IF_OK([-XX:ThreadStackSize=$STACK_SIZE],boot_jdk_jvmargs_big,[$JAVA])
erikj@1187:   ADD_JVM_ARG_IF_OK([-XX:PermSize=32m],boot_jdk_jvmargs_big,[$JAVA])
erikj@1187:   ADD_JVM_ARG_IF_OK([-XX:MaxPermSize=160m],boot_jdk_jvmargs_big,[$JAVA])
erikj@459: 
erikj@1187:   AC_MSG_RESULT([$boot_jdk_jvmargs_big])
erikj@1187: 
erikj@1187:   JAVA_FLAGS_BIG=$boot_jdk_jvmargs_big
erikj@1187:   AC_SUBST(JAVA_FLAGS_BIG)
erikj@1187: 
erikj@1187: 
erikj@1187:   AC_MSG_CHECKING([flags for boot jdk java command for small workloads])
erikj@1187: 
erikj@1187:   # Use serial gc for small short lived tools if possible
erikj@1187:   ADD_JVM_ARG_IF_OK([-XX:+UseSerialGC],boot_jdk_jvmargs_small,[$JAVA])
erikj@1187:   ADD_JVM_ARG_IF_OK([-Xms32M],boot_jdk_jvmargs_small,[$JAVA])
erikj@1187:   ADD_JVM_ARG_IF_OK([-Xmx512M],boot_jdk_jvmargs_small,[$JAVA])
erikj@1187: 
erikj@1187:   AC_MSG_RESULT([$boot_jdk_jvmargs_small])
erikj@1187: 
erikj@1187:   JAVA_FLAGS_SMALL=$boot_jdk_jvmargs_small
erikj@1187:   AC_SUBST(JAVA_FLAGS_SMALL)
erikj@459: ])