1 #
   2 # Copyright (c) 2011, 2012, 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 # Fixes paths on windows to be mixed mode short.
  27 AC_DEFUN([BOOTJDK_WIN_FIX_PATH],
  28 [
  29     if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
  30         AC_PATH_PROG(CYGPATH, cygpath)
  31         tmp="[$]$1"
  32         # Convert to C:/ mixed style path without spaces.
  33         tmp=`$CYGPATH -s -m "$tmp"`
  34         $1="$tmp"
  35     fi
  36 ])
  37 
  38 AC_DEFUN([BOOTJDK_MISSING_ERROR],
  39 [
  40     AC_MSG_NOTICE([This might be fixed by explicitely setting --with-boot-jdk])
  41     AC_MSG_ERROR([Cannot continue])
  42 ])
  43 
  44 ###############################################################################
  45 #
  46 # We need a Boot JDK to bootstrap the build. 
  47 #
  48 
  49 AC_DEFUN_ONCE([BOOTJDK_SETUP_BOOT_JDK],
  50 [
  51 BOOT_JDK_FOUND=no
  52 AC_ARG_WITH(boot-jdk, [AS_HELP_STRING([--with-boot-jdk],
  53     [path to Boot JDK (used to bootstrap build) @<:@probed@:>@])])
  54                     
  55 if test "x$with_boot_jdk" != x; then
  56     BOOT_JDK=$with_boot_jdk
  57     BOOT_JDK_FOUND=yes
  58 fi
  59 if test "x$BOOT_JDK_FOUND" = xno; then
  60     BDEPS_CHECK_MODULE(BOOT_JDK, boot-jdk, xxx, [BOOT_JDK_FOUND=yes], [BOOT_JDK_FOUND=no])
  61 fi
  62 
  63 if test "x$BOOT_JDK_FOUND" = xno; then
  64     if test "x$JAVA_HOME" != x; then
  65         if test ! -d "$JAVA_HOME"; then
  66             AC_MSG_NOTICE([Your JAVA_HOME points to a non-existing directory!])
  67             BOOTJDK_MISSING_ERROR
  68         fi
  69         # Aha, the user has set a JAVA_HOME
  70         # let us use that as the Boot JDK.
  71         BOOT_JDK="$JAVA_HOME"
  72         BOOT_JDK_FOUND=yes
  73         # To be on the safe side, lets check that it is a JDK.
  74         if test -x "$BOOT_JDK/bin/javac" && test -x "$BOOT_JDK/bin/java"; then
  75             JAVAC="$BOOT_JDK/bin/javac"
  76             JAVA="$BOOT_JDK/bin/java"
  77             BOOT_JDK_FOUND=yes
  78         else
  79             AC_MSG_NOTICE([Your JAVA_HOME points to a JRE! The build needs a JDK! Please point JAVA_HOME to a JDK. JAVA_HOME=[$]JAVA_HOME])
  80             BOOTJDK_MISSING_ERROR
  81         fi            
  82     fi
  83 fi
  84 
  85 if test "x$BOOT_JDK_FOUND" = xno; then
  86     AC_PATH_PROG(JAVAC_CHECK, javac)
  87     AC_PATH_PROG(JAVA_CHECK, java)
  88     BINARY="$JAVAC_CHECK"
  89     if test "x$JAVAC_CHECK" = x; then
  90         BINARY="$JAVA_CHECK"
  91     fi
  92     if test "x$BINARY" != x; then
  93         # So there is a java(c) binary, it might be part of a JDK.
  94         # Lets find the JDK/JRE directory by following symbolic links.
  95         # Linux/GNU systems often have links from /usr/bin/java to 
  96         # /etc/alternatives/java to the real JDK binary.
  97         WHICHCMD_SPACESAFE(BINARY,[path to javac])
  98         REMOVE_SYMBOLIC_LINKS(BINARY)
  99         BOOT_JDK=`dirname $BINARY`
 100         BOOT_JDK=`cd $BOOT_JDK/..; pwd`
 101         if test -x $BOOT_JDK/bin/javac && test -x $BOOT_JDK/bin/java; then
 102             JAVAC=$BOOT_JDK/bin/javac
 103             JAVA=$BOOT_JDK/bin/java
 104             BOOT_JDK_FOUND=yes
 105         fi
 106     fi
 107 fi
 108 
 109 if test "x$BOOT_JDK_FOUND" = xno; then
 110     # Try the MacOSX way.
 111     if test -x /usr/libexec/java_home; then
 112         BOOT_JDK=`/usr/libexec/java_home`
 113         if test -x $BOOT_JDK/bin/javac && test -x $BOOT_JDK/bin/java; then
 114             JAVAC=$BOOT_JDK/bin/javac
 115             JAVA=$BOOT_JDK/bin/java
 116             BOOT_JDK_FOUND=yes
 117         fi
 118     fi
 119 fi
 120 
 121 if test "x$BOOT_JDK_FOUND" = xno; then
 122     AC_PATH_PROG(JAVA_CHECK, java)
 123     if test "x$JAVA_CHECK" != x; then
 124         # There is a java in the path. But apparently we have not found a javac 
 125         # in the path, since that would have been tested earlier.
 126         if test "x$OPENJDK_TARGET_OS" = xwindows; then
 127             # Now if this is a windows platform. The default installation of a JDK
 128             # actually puts the JRE in the path and keeps the JDK out of the path!
 129             # Go look in the default installation location.
 130             BOOT_JDK=/cygdrive/c/Program\ Files/Java/`ls /cygdrive/c/Program\ Files/Java | grep jdk | sort -r | head --lines 1`
 131             if test -d "$BOOT_JDK"; then
 132                 BOOT_JDK_FOUND=yes
 133             fi
 134         fi
 135         if test "x$BOOT_JDK_FOUND" = xno; then
 136             HELP_MSG_MISSING_DEPENDENCY([openjdk])
 137             AC_MSG_NOTICE([Found a JRE, not not a JDK! Please remove the JRE from your path and put a JDK there instead. $HELP_MSG])
 138             BOOTJDK_MISSING_ERROR
 139         fi
 140     else
 141         HELP_MSG_MISSING_DEPENDENCY([openjdk])
 142         AC_MSG_NOTICE([Could not find a JDK. $HELP_MSG])
 143         BOOTJDK_MISSING_ERROR
 144     fi
 145 fi
 146 
 147 BOOTJDK_WIN_FIX_PATH(BOOT_JDK)
 148 
 149 # Now see if we can find the rt.jar, or its nearest equivalent.
 150 BOOT_RTJAR="$BOOT_JDK/jre/lib/rt.jar"
 151 SPACESAFE(BOOT_RTJAR,[the path to the Boot JDK rt.jar (or nearest equivalent)])
 152 
 153 BOOT_TOOLSJAR="$BOOT_JDK/lib/tools.jar"
 154 SPACESAFE(BOOT_TOOLSJAR,[the path to the Boot JDK tools.jar (or nearest equivalent)])
 155 
 156 if test ! -f $BOOT_RTJAR; then
 157     # On MacOSX it is called classes.jar
 158     BOOT_RTJAR=$BOOT_JDK/../Classes/classes.jar
 159     if test ! -f $BOOT_RTJAR; then
 160         AC_MSG_NOTICE([Cannot find the rt.jar or its equivalent!])
 161         AC_MSG_NOTICE([This typically means that configure failed to automatically find a suitable Boot JDK])
 162         BOOTJDK_MISSING_ERROR
 163     fi
 164     # Remove the .. 
 165     BOOT_RTJAR="`cd ${BOOT_RTJAR%/*} && pwd`/${BOOT_RTJAR##*/}"
 166     # The tools.jar is part of classes.jar
 167     BOOT_TOOLSJAR="$BOOT_RTJAR"
 168 fi
 169 
 170 AC_SUBST(BOOT_JDK)
 171 AC_SUBST(BOOT_RTJAR)
 172 AC_SUBST(BOOT_TOOLSJAR)
 173 AC_MSG_CHECKING([for Boot JDK])
 174 AC_MSG_RESULT([$BOOT_JDK])
 175 AC_MSG_CHECKING([for Boot rt.jar])
 176 AC_MSG_RESULT([$BOOT_RTJAR])
 177 AC_MSG_CHECKING([for Boot tools.jar])
 178 AC_MSG_RESULT([$BOOT_TOOLSJAR])
 179 
 180 # Use the java tool from the Boot JDK.
 181 AC_MSG_CHECKING([for java in Boot JDK])
 182 JAVA=$BOOT_JDK/bin/java
 183 if test ! -x $JAVA; then
 184     AC_MSG_NOTICE([Could not find a working java])
 185     BOOTJDK_MISSING_ERROR
 186 fi
 187 BOOT_JDK_VERSION=`$JAVA -version 2>&1 | head -n 1`
 188 AC_MSG_RESULT([yes $BOOT_JDK_VERSION])
 189 AC_SUBST(JAVA)
 190 
 191 # Extra M4 quote needed to protect [] in grep expression.
 192 [FOUND_VERSION_78=`echo $BOOT_JDK_VERSION | grep  '\"1\.[78]\.'`]
 193 if test "x$FOUND_VERSION_78" = x; then
 194     HELP_MSG_MISSING_DEPENDENCY([openjdk])
 195     AC_MSG_NOTICE([Your boot-jdk must be version 7 or 8. $HELP_MSG])
 196     BOOTJDK_MISSING_ERROR
 197 fi
 198 
 199 # When compiling code to be executed by the Boot JDK, force jdk7 compatibility.
 200 BOOT_JDK_SOURCETARGET="-source 7 -target 7"
 201 AC_SUBST(BOOT_JDK_SOURCETARGET)
 202 
 203 # Use the javac tool from the Boot JDK.
 204 AC_MSG_CHECKING([for javac in Boot JDK])
 205 JAVAC=$BOOT_JDK/bin/javac
 206 if test ! -x $JAVAC; then
 207     AC_MSG_ERROR([Could not find a working javac])
 208 fi
 209 AC_MSG_RESULT(yes)
 210 AC_SUBST(JAVAC)
 211 AC_SUBST(JAVAC_FLAGS)
 212 
 213 # Use the javah tool from the Boot JDK.
 214 AC_MSG_CHECKING([for javah in Boot JDK])
 215 JAVAH=$BOOT_JDK/bin/javah
 216 if test ! -x $JAVAH; then
 217     AC_MSG_NOTICE([Could not find a working javah])
 218     BOOTJDK_MISSING_ERROR
 219 fi
 220 AC_MSG_RESULT(yes)
 221 AC_SUBST(JAVAH)
 222 
 223 # Use the jar tool from the Boot JDK.
 224 AC_MSG_CHECKING([for jar in Boot JDK])
 225 JAR=$BOOT_JDK/bin/jar
 226 if test ! -x $JAR; then
 227     AC_MSG_NOTICE([Could not find a working jar])
 228     BOOTJDK_MISSING_ERROR
 229 fi
 230 AC_SUBST(JAR)
 231 AC_MSG_RESULT(yes)
 232 
 233 # Use the rmic tool from the Boot JDK.
 234 AC_MSG_CHECKING([for rmic in Boot JDK])
 235 RMIC=$BOOT_JDK/bin/rmic
 236 if test ! -x $RMIC; then
 237     AC_MSG_NOTICE([Could not find a working rmic])
 238     BOOTJDK_MISSING_ERROR
 239 fi
 240 AC_SUBST(RMIC)
 241 AC_MSG_RESULT(yes)
 242 
 243 # Use the native2ascii tool from the Boot JDK.
 244 AC_MSG_CHECKING([for native2ascii in Boot JDK])
 245 NATIVE2ASCII=$BOOT_JDK/bin/native2ascii
 246 if test ! -x $NATIVE2ASCII; then
 247     AC_MSG_NOTICE([Could not find a working native2ascii])
 248     BOOTJDK_MISSING_ERROR
 249 fi
 250 AC_MSG_RESULT(yes)
 251 AC_SUBST(NATIVE2ASCII)
 252 ])
 253 
 254 AC_DEFUN_ONCE([BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS],
 255 [
 256 ##############################################################################
 257 #
 258 # Specify options for anything that is run with the Boot JDK.
 259 #
 260 AC_ARG_WITH(boot-jdk-jvmargs, [AS_HELP_STRING([--with-boot-jdk-jvmargs],
 261         [specify JVM arguments to be passed to all invocations of the Boot JDK, overriding the default values,
 262      e.g --with-boot-jdk-jvmargs="-Xmx8G -enableassertions"])])
 263 
 264 if test "x$with_boot_jdk_jvmargs" = x; then
 265     # Not all JVM:s accept the same arguments on the command line.
 266     # OpenJDK specific increase in thread stack for JDK build,
 267     # well more specifically, when running javac.
 268     if test "x$BUILD_NUM_BITS" = x32; then
 269        STACK_SIZE=768
 270     else
 271        # Running Javac on a JVM on a 64-bit machine, the stack takes more space
 272        # since 64-bit pointers are pushed on the stach. Apparently, we need
 273        # to increase the stack space when javacing the JDK....
 274        STACK_SIZE=1536
 275     fi
 276 
 277     # Minimum amount of heap memory.
 278     ADD_JVM_ARG_IF_OK([-Xms64M],boot_jdk_jvmargs,[$JAVA])
 279     if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
 280         # Why does macosx need more heap? Its the huge JDK batch.
 281         ADD_JVM_ARG_IF_OK([-Xmx1600M],boot_jdk_jvmargs,[$JAVA])
 282     else
 283         ADD_JVM_ARG_IF_OK([-Xmx1100M],boot_jdk_jvmargs,[$JAVA])
 284     fi
 285     # When is adding -client something that speeds up the JVM?
 286     # ADD_JVM_ARG_IF_OK([-client],boot_jdk_jvmargs,[$JAVA])
 287     ADD_JVM_ARG_IF_OK([-XX:PermSize=32m],boot_jdk_jvmargs,[$JAVA])
 288     ADD_JVM_ARG_IF_OK([-XX:MaxPermSize=160m],boot_jdk_jvmargs,[$JAVA])
 289     ADD_JVM_ARG_IF_OK([-XX:ThreadStackSize=$STACK_SIZE],boot_jdk_jvmargs,[$JAVA])
 290     # Disable special log output when a debug build is used as Boot JDK...
 291     ADD_JVM_ARG_IF_OK([-XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput],boot_jdk_jvmargs,[$JAVA])
 292 fi
 293 
 294 AC_SUBST(BOOT_JDK_JVMARGS, $boot_jdk_jvmargs)
 295 ])