common/autoconf/boot-jdk.m4

Mon, 29 Jun 2020 21:30:12 +0100

author
andrew
date
Mon, 29 Jun 2020 21:30:12 +0100
changeset 2537
a8da94d779b3
parent 2222
7129b977c4af
child 2316
64a3eeabf6e5
permissions
-rw-r--r--

Merge

     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 #
    26 # Execute the check given as argument, and verify the result
    27 # If the Boot JDK was previously found, do nothing
    28 # $1 A command line (typically autoconf macro) to execute
    29 AC_DEFUN([BOOTJDK_DO_CHECK],
    30 [
    31   if test "x$BOOT_JDK_FOUND" = xno; then
    32     # Now execute the test
    33     $1
    35     # If previous step claimed to have found a JDK, check it to see if it seems to be valid.
    36     if test "x$BOOT_JDK_FOUND" = xmaybe; then
    37       # Do we have a bin/java?
    38       if test ! -x "$BOOT_JDK/bin/java"; then
    39         AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK did not contain bin/java; ignoring])
    40         BOOT_JDK_FOUND=no
    41       else
    42         # Do we have a bin/javac?
    43         if test ! -x "$BOOT_JDK/bin/javac"; then
    44           AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK did not contain bin/javac; ignoring])
    45           AC_MSG_NOTICE([(This might be an JRE instead of an JDK)])
    46           BOOT_JDK_FOUND=no
    47         else
    48           # Do we have an rt.jar? (On MacOSX it is called classes.jar)
    49           if test ! -f "$BOOT_JDK/jre/lib/rt.jar" && test ! -f "$BOOT_JDK/../Classes/classes.jar"; then
    50             AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK did not contain an rt.jar; ignoring])
    51             BOOT_JDK_FOUND=no
    52           else
    53             # Oh, this is looking good! We probably have found a proper JDK. Is it the correct version?
    54             BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | head -n 1`
    56             # Extra M4 quote needed to protect [] in grep expression.
    57             [FOUND_VERSION_78=`echo $BOOT_JDK_VERSION | grep  '\"1\.[78]\.'`]
    58             if test "x$FOUND_VERSION_78" = x; then
    59               AC_MSG_NOTICE([Potential Boot JDK found at $BOOT_JDK is incorrect JDK version ($BOOT_JDK_VERSION); ignoring])
    60               AC_MSG_NOTICE([(Your Boot JDK must be version 7 or 8)])
    61               BOOT_JDK_FOUND=no
    62             else
    63               # We're done! :-)
    64               BOOT_JDK_FOUND=yes
    65               BASIC_FIXUP_PATH(BOOT_JDK)
    66               AC_MSG_CHECKING([for Boot JDK])
    67               AC_MSG_RESULT([$BOOT_JDK])
    68               AC_MSG_CHECKING([Boot JDK version])
    69               BOOT_JDK_VERSION=`"$BOOT_JDK/bin/java" -version 2>&1 | $TR '\n\r' '  '`
    70               AC_MSG_RESULT([$BOOT_JDK_VERSION])
    71             fi # end check jdk version
    72           fi # end check rt.jar
    73         fi # end check javac
    74       fi # end check java
    75     fi # end check boot jdk found
    76   fi
    77 ])
    79 # Test: Is bootjdk explicitely set by command line arguments?
    80 AC_DEFUN([BOOTJDK_CHECK_ARGUMENTS],
    81 [
    82   if test "x$with_boot_jdk" != x; then
    83     BOOT_JDK=$with_boot_jdk
    84     BOOT_JDK_FOUND=maybe
    85     AC_MSG_NOTICE([Found potential Boot JDK using configure arguments])
    86   fi
    87 ])
    89 # Test: Is bootjdk available from builddeps?
    90 AC_DEFUN([BOOTJDK_CHECK_BUILDDEPS],
    91 [
    92   BDEPS_CHECK_MODULE(BOOT_JDK, bootjdk, xxx, [BOOT_JDK_FOUND=maybe], [BOOT_JDK_FOUND=no])
    93 ])
    95 # Test: Is $JAVA_HOME set?
    96 AC_DEFUN([BOOTJDK_CHECK_JAVA_HOME],
    97 [
    98   if test "x$JAVA_HOME" != x; then
    99     JAVA_HOME_PROCESSED="$JAVA_HOME"
   100     BASIC_FIXUP_PATH(JAVA_HOME_PROCESSED)
   101     if test ! -d "$JAVA_HOME_PROCESSED"; then
   102       AC_MSG_NOTICE([Your JAVA_HOME points to a non-existing directory!])
   103     else
   104       # Aha, the user has set a JAVA_HOME
   105       # let us use that as the Boot JDK.
   106       BOOT_JDK="$JAVA_HOME_PROCESSED"
   107       BOOT_JDK_FOUND=maybe
   108       AC_MSG_NOTICE([Found potential Boot JDK using JAVA_HOME])
   109     fi
   110   fi
   111 ])
   113 # Test: Is there a java or javac in the PATH, which is a symlink to the JDK?
   114 AC_DEFUN([BOOTJDK_CHECK_JAVA_IN_PATH_IS_SYMLINK],
   115 [
   116   AC_PATH_PROG(JAVAC_CHECK, javac)
   117   AC_PATH_PROG(JAVA_CHECK, java)
   118   BINARY="$JAVAC_CHECK"
   119   if test "x$JAVAC_CHECK" = x; then
   120     BINARY="$JAVA_CHECK"
   121   fi
   122   if test "x$BINARY" != x; then
   123     # So there is a java(c) binary, it might be part of a JDK.
   124     # Lets find the JDK/JRE directory by following symbolic links.
   125     # Linux/GNU systems often have links from /usr/bin/java to
   126     # /etc/alternatives/java to the real JDK binary.
   127     BASIC_REMOVE_SYMBOLIC_LINKS(BINARY)
   128     BOOT_JDK=`dirname "$BINARY"`
   129     BOOT_JDK=`cd "$BOOT_JDK/.."; pwd`
   130     if test -x "$BOOT_JDK/bin/javac" && test -x "$BOOT_JDK/bin/java"; then
   131       # Looks like we found ourselves an JDK
   132       BOOT_JDK_FOUND=maybe
   133       AC_MSG_NOTICE([Found potential Boot JDK using java(c) in PATH])
   134     fi
   135   fi
   136 ])
   138 # Test: Is there a /usr/libexec/java_home? (Typically on MacOSX)
   139 AC_DEFUN([BOOTJDK_CHECK_LIBEXEC_JAVA_HOME],
   140 [
   141   if test -x /usr/libexec/java_home; then
   142     BOOT_JDK=`/usr/libexec/java_home`
   143     BOOT_JDK_FOUND=maybe
   144     AC_MSG_NOTICE([Found potential Boot JDK using /usr/libexec/java_home])
   145   fi
   146 ])
   148 # Look for a jdk in the given path. If there are multiple, try to select the newest.
   149 # If found, set BOOT_JDK and BOOT_JDK_FOUND.
   150 # $1 = Path to directory containing jdk installations.
   151 # $2 = String to append to the found JDK directory to get the proper JDK home
   152 AC_DEFUN([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY],
   153 [
   154   BOOT_JDK_PREFIX="$1"
   155   BOOT_JDK_SUFFIX="$2"
   156   ALL_JDKS_FOUND=`$LS "$BOOT_JDK_PREFIX" 2> /dev/null | $SORT -r`
   157   if test "x$ALL_JDKS_FOUND" != x; then
   158     for JDK_TO_TRY in $ALL_JDKS_FOUND ; do
   159       BOOTJDK_DO_CHECK([
   160         BOOT_JDK="${BOOT_JDK_PREFIX}/${JDK_TO_TRY}${BOOT_JDK_SUFFIX}"
   161         if test -d "$BOOT_JDK"; then
   162           BOOT_JDK_FOUND=maybe
   163           AC_MSG_NOTICE([Found potential Boot JDK using well-known locations (in $BOOT_JDK_PREFIX/$JDK_TO_TRY)])
   164         fi
   165       ])
   166     done
   167   fi
   168 ])
   170 # Call BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY, but use the given
   171 # environmental variable as base for where to look.
   172 # $1 Name of an environmal variable, assumed to point to the Program Files directory.
   173 AC_DEFUN([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY],
   174 [
   175   if test "x[$]$1" != x; then
   176     VIRTUAL_DIR="[$]$1/Java"
   177     BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(VIRTUAL_DIR)
   178     BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY($VIRTUAL_DIR)
   179   fi
   180 ])
   182 # Test: Is there a JDK installed in default, well-known locations?
   183 AC_DEFUN([BOOTJDK_CHECK_WELL_KNOWN_LOCATIONS],
   184 [
   185   if test "x$OPENJDK_TARGET_OS" = xwindows; then
   186     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([ProgramW6432])])
   187     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([PROGRAMW6432])])
   188     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([PROGRAMFILES])])
   189     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_WINDOWS_VIRTUAL_DIRECTORY([ProgramFiles])])
   190     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/cygdrive/c/Program Files/Java])])
   191   elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
   192     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/Library/Java/JavaVirtualMachines],[/Contents/Home])])
   193     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/System/Library/Java/JavaVirtualMachines],[/Contents/Home])])
   194   elif test "x$OPENJDK_TARGET_OS" = xlinux; then
   195     BOOTJDK_DO_CHECK([BOOTJDK_FIND_BEST_JDK_IN_DIRECTORY([/usr/lib/jvm])])
   196   fi
   197 ])
   199 # Check that a command-line tool in the Boot JDK is correct
   200 # $1 = name of variable to assign
   201 # $2 = name of binary
   202 AC_DEFUN([BOOTJDK_CHECK_TOOL_IN_BOOTJDK],
   203 [
   204   AC_MSG_CHECKING([for $2 in Boot JDK])
   205   $1=$BOOT_JDK/bin/$2
   206   if test ! -x [$]$1; then
   207     AC_MSG_RESULT(not found)
   208     AC_MSG_NOTICE([Your Boot JDK seems broken. This might be fixed by explicitely setting --with-boot-jdk])
   209     AC_MSG_ERROR([Could not find $2 in the Boot JDK])
   210   fi
   211   AC_MSG_RESULT(ok)
   212 ])
   214 ###############################################################################
   215 #
   216 # We need a Boot JDK to bootstrap the build.
   217 #
   219 AC_DEFUN_ONCE([BOOTJDK_SETUP_BOOT_JDK],
   220 [
   221   BOOT_JDK_FOUND=no
   222   AC_ARG_WITH(boot-jdk, [AS_HELP_STRING([--with-boot-jdk],
   223       [path to Boot JDK (used to bootstrap build) @<:@probed@:>@])])
   225   # We look for the Boot JDK through various means, going from more certain to
   226   # more of a guess-work. After each test, BOOT_JDK_FOUND is set to "yes" if
   227   # we detected something (if so, the path to the jdk is in BOOT_JDK). But we
   228   # must check if this is indeed valid; otherwise we'll continue looking.
   230   # Test: Is bootjdk explicitely set by command line arguments?
   231   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_ARGUMENTS])
   232   if test "x$with_boot_jdk" != x && test "x$BOOT_JDK_FOUND" = xno; then
   233     # Having specified an argument which is incorrect will produce an instant failure;
   234     # we should not go on looking
   235     AC_MSG_ERROR([The path given by --with-boot-jdk does not contain a valid Boot JDK])
   236   fi
   238   # Test: Is bootjdk available from builddeps?
   239   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_BUILDDEPS])
   241   # Test: Is $JAVA_HOME set?
   242   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_JAVA_HOME])
   244   # Test: Is there a /usr/libexec/java_home? (Typically on MacOSX)
   245   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_LIBEXEC_JAVA_HOME])
   247   # Test: Is there a java or javac in the PATH, which is a symlink to the JDK?
   248   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_JAVA_IN_PATH_IS_SYMLINK])
   250   # Test: Is there a JDK installed in default, well-known locations?
   251   BOOTJDK_DO_CHECK([BOOTJDK_CHECK_WELL_KNOWN_LOCATIONS])
   253   # If we haven't found anything yet, we've truly lost. Give up.
   254   if test "x$BOOT_JDK_FOUND" = xno; then
   255     HELP_MSG_MISSING_DEPENDENCY([openjdk])
   256     AC_MSG_NOTICE([Could not find a valid Boot JDK. $HELP_MSG])
   257     AC_MSG_NOTICE([This might be fixed by explicitely setting --with-boot-jdk])
   258     AC_MSG_ERROR([Cannot continue])
   259   fi
   261   # Setup proper paths for what we found
   262   BOOT_RTJAR="$BOOT_JDK/jre/lib/rt.jar"
   263   if test ! -f "$BOOT_RTJAR"; then
   264     # On MacOSX it is called classes.jar
   265     BOOT_RTJAR="$BOOT_JDK/../Classes/classes.jar"
   266     if test -f "$BOOT_RTJAR"; then
   267       # Remove the ..
   268       BOOT_RTJAR="`cd ${BOOT_RTJAR%/*} && pwd`/${BOOT_RTJAR##*/}"
   269     fi
   270   fi
   271   BOOT_TOOLSJAR="$BOOT_JDK/lib/tools.jar"
   272   BOOT_JDK="$BOOT_JDK"
   273   AC_SUBST(BOOT_RTJAR)
   274   AC_SUBST(BOOT_TOOLSJAR)
   275   AC_SUBST(BOOT_JDK)
   277   # Setup tools from the Boot JDK.
   278   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVA,java)
   279   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVAC,javac)
   280   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVAH,javah)
   281   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAVAP,javap)
   282   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(JAR,jar)
   283   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(RMIC,rmic)
   284   BOOTJDK_CHECK_TOOL_IN_BOOTJDK(NATIVE2ASCII,native2ascii)
   286   # Finally, set some other options...
   288   # When compiling code to be executed by the Boot JDK, force jdk7 compatibility.
   289   BOOT_JDK_SOURCETARGET="-source 7 -target 7"
   290   AC_SUBST(BOOT_JDK_SOURCETARGET)
   291   AC_SUBST(JAVAC_FLAGS)
   293   # Check if the boot jdk is 32 or 64 bit
   294   if "$JAVA" -d64 -version > /dev/null 2>&1; then
   295     BOOT_JDK_BITS="64"
   296   else
   297     BOOT_JDK_BITS="32"
   298   fi
   299   AC_MSG_CHECKING([if Boot JDK is 32 or 64 bits])
   300   AC_MSG_RESULT([$BOOT_JDK_BITS])
   301   AC_SUBST(BOOT_JDK_BITS)
   302 ])
   304 AC_DEFUN_ONCE([BOOTJDK_SETUP_BOOT_JDK_ARGUMENTS],
   305 [
   306   ##############################################################################
   307   #
   308   # Specify options for anything that is run with the Boot JDK.
   309   #
   310   AC_ARG_WITH(boot-jdk-jvmargs, [AS_HELP_STRING([--with-boot-jdk-jvmargs],
   311   [specify JVM arguments to be passed to all invocations of the Boot JDK, overriding the default values,
   312   e.g --with-boot-jdk-jvmargs="-Xmx8G -enableassertions"])])
   314   AC_MSG_CHECKING([flags for boot jdk java command] )
   316   # Disable special log output when a debug build is used as Boot JDK...
   317   ADD_JVM_ARG_IF_OK([-XX:-PrintVMOptions -XX:-UnlockDiagnosticVMOptions -XX:-LogVMOutput],boot_jdk_jvmargs,[$JAVA])
   319   # Apply user provided options.
   320   ADD_JVM_ARG_IF_OK([$with_boot_jdk_jvmargs],boot_jdk_jvmargs,[$JAVA])
   322   AC_MSG_RESULT([$boot_jdk_jvmargs])
   324   # For now, general JAVA_FLAGS are the same as the boot jdk jvmargs
   325   JAVA_FLAGS=$boot_jdk_jvmargs
   326   AC_SUBST(JAVA_FLAGS)
   329   AC_MSG_CHECKING([flags for boot jdk java command for big workloads])
   331   # Starting amount of heap memory.
   332   ADD_JVM_ARG_IF_OK([-Xms64M],boot_jdk_jvmargs_big,[$JAVA])
   334   # Maximum amount of heap memory.
   335   # Maximum stack size.
   336   if test "x$BOOT_JDK_BITS" = x32; then
   337     JVM_MAX_HEAP=768M
   338     STACK_SIZE=768
   339   else
   340     # Running Javac on a JVM on a 64-bit machine, takes more space since 64-bit
   341     # pointers are used. Apparently, we need to increase the heap and stack
   342     # space for the jvm. More specifically, when running javac to build huge
   343     # jdk batch
   344     JVM_MAX_HEAP=1600M
   345     STACK_SIZE=1536
   346   fi
   347   ADD_JVM_ARG_IF_OK([-Xmx$JVM_MAX_HEAP],boot_jdk_jvmargs_big,[$JAVA])
   348   ADD_JVM_ARG_IF_OK([-XX:ThreadStackSize=$STACK_SIZE],boot_jdk_jvmargs_big,[$JAVA])
   349   ADD_JVM_ARG_IF_OK([-XX:PermSize=32m],boot_jdk_jvmargs_big,[$JAVA])
   350   ADD_JVM_ARG_IF_OK([-XX:MaxPermSize=160m],boot_jdk_jvmargs_big,[$JAVA])
   352   AC_MSG_RESULT([$boot_jdk_jvmargs_big])
   354   JAVA_FLAGS_BIG=$boot_jdk_jvmargs_big
   355   AC_SUBST(JAVA_FLAGS_BIG)
   358   AC_MSG_CHECKING([flags for boot jdk java command for small workloads])
   360   # Use serial gc for small short lived tools if possible
   361   ADD_JVM_ARG_IF_OK([-XX:+UseSerialGC],boot_jdk_jvmargs_small,[$JAVA])
   362   ADD_JVM_ARG_IF_OK([-Xms32M],boot_jdk_jvmargs_small,[$JAVA])
   363   ADD_JVM_ARG_IF_OK([-Xmx512M],boot_jdk_jvmargs_small,[$JAVA])
   365   AC_MSG_RESULT([$boot_jdk_jvmargs_small])
   367   JAVA_FLAGS_SMALL=$boot_jdk_jvmargs_small
   368   AC_SUBST(JAVA_FLAGS_SMALL)
   369 ])

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