Build OpenJDK11 Zero VM on macOS (interpreted mode) [待更新]

前置

环境依赖:

获得源码

hg clone http://hg.openjdk.java.net/jdk-updates/jdk11u/

安装依赖

freetype

./configure --prefix=${LOCAL} --without-harfbuzz && \
    make -j4 && \
    make install

libffi

git clone --depth 1 git@github.com:libffi/libffi.git
cd libffi
./autogen.sh && \
# python ./generate-darwin-source-and-headers.py && \
./configure --enable-debug \
    --disable-dependency-tracking \
    --enable-purify-safety \
    --prefix=${LOCAL} && \
    make -j4 && \
    make install

ccache(optional)

./configure --prefix=${LOCAL} && \
    make -j4 && \
    make install

生成Makefile

mkdir build && \
cd build && \
bash ../configure --with-debug-level=slowdebug \
    --with-boot-jdk=/Library/Java/JavaVirtualMachines/jdk1.8.0_192.jdk/Contents/Home \
    --with-freetype=/Users/yakir \
    --with-freetype-include=/Users/yakir/local/include \
    --disable-warnings-as-errors \
    --with-jvm-features=zero \
    --with-jvm-variants=zero \
    --with-libffi=/Users/yakir/local \
    --with-libffi-include=/Users/yakir/local/include

Troubleshooting

Error NO. 1

  configure: Found freetype include files at /Users/yakir/local/include/freetype2 using --with-freetype
  configure: Could not find ~/local/lib/libfreetype.dylib. Ignoring location.
  configure: error: Can not find or use freetype at location given by --with-freetype
  /Volumes/sm/Developer/jdk/jdk9u/common/autoconf/generated-configure.sh: line 82: 5: Bad file descriptor
  configure exiting with result code 1

配置 freetype 如果依赖安装在用户目录下(比如我的 freetype 安装在 /Users/yakir/local 路径下)需要使用完整路径(/Users/yakir)不能使用 ~ .

Error NO. 2

Building target 'all' in configuration 'macosx-x86_64-normal-zero-slowdebug'
Compiling 8 files for BUILD_TOOLS_LANGTOOLS
Compiling 2 files for BUILD_JVMTI_TOOLS
make[3]: *** No rule to make target '/Volumes/sm/Developer/jdk9u/jdk/src/java.base/macosx/conf/zero/jvm.cfg', needed by '/Volumes/sm/Developer/jdk9u/build/macosx-x86_64-normal-zero-slowdebug/support/modules_libs/java.base/jvm.cfg'.  Stop.
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [java.base-copy-jdk] Error 2
make[2]: *** Waiting for unfinished jobs....
ERROR: Build failed for target 'all' in configuration 'macosx-x86_64-normal-zero-slowdebug' (exit code 2) 
No indication of failed target found.
Hint: Try searching the build log for '] Error'.
Hint: See common/doc/building.html#troubleshooting for assistance.
make[1]: *** [main] Error 2
make: *** [all] Error 2

修改文件 jdk9u/jdk/make/copy/Copy-java.base.gmk

vim +97 jdk9u/jdk/make/copy/Copy-java.base.gmk  
# 这行 JVMCFG_SRC := $(JDK_TOPDIR)/src/java.base/macosx/conf/$(JVMCFG_ARCH)/jvm.cfg
# $(JVMCFG_ARCH) 修改为 x86_64
# 修改之后
# JVMCFG_SRC := $(JDK_TOPDIR)/src/java.base/macosx/conf/x86_64/jvm.cfg

Error NO. 3 ```bash
- For target hotspot_variant-zero_libjvm_objs_virtualspace.o: /Volumes/sm/Developer/jdk/jdk9u/hotspot/src/share/vm/memory/virtualspace.cpp:584:14: error: ordered comparison between pointer and zero (‘char *’ and ‘int’) if (base() > 0) { ~~~~~~ ^ ~ 1 error generated.
- All command lines available in /Volumes/sm/Developer/jdk/jdk9u/build/macosx-x86_64-normal-zero-slowdebug/make-support/failure-logs. ```
修改
```
vim +584 jdk9u/hotspot/src/share/vm/memory/virtualspace.cpp
把
if (base() > 0)
# 改成
if (base() > (void *) 0)
```

~~Error No. 4~~

hotspot/src/share/vm/opto/lcm.cpp:42:35: error: ordered comparison between pointer and zero ('address' (aka 'unsigned char *') and 'int')
if (Universe::narrow_oop_base() > 0) { // Implies UseCompressedOops.~~
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~
1 error generated.

补丁在此: 8174050: Compilation errors with clang-4.0 貌似没这个Error了

验证

% java -version 
openjdk version "9.0.4-internal"
OpenJDK Runtime Environment (slowdebug build 9.0.4-internal+0-adhoc.yakir.jdk9u)
OpenJDK 64-Bit Zero VM (slowdebug build 9.0.4-internal+0-adhoc.yakir.jdk9u, interpreted mode)

% javac -version
javac 9.0.4-internal

Update

2018/10/26 OpenJDK9 -> OpenJDK11