Step-by-step OpenJDK on OS X?

Sat Jan 31 18:43:24 PST 2009

At 2:30 PM -0600 1/30/09, Charles Oliver Nutter wrote:
>I've read through some of the backthreads and there's a lot of noise
>about getting OpenJDK to build, having this issue, applying that patch.
>I'm wondering what the bottom line is today:
>
>- Is it possible to build OpenJDK on OS X right now? Which
>versions/branches/etc?
>- Has anyone aggregated the instructions required to do so yet? I mostly
>got an older revision to build using Landon Fuller's walkthrough, but
>that's pretty dated now.

Building the BSD port of OpenJDK -- Java 1.7 on Max OS X 10.5.x

This is lightly adapted from Landon Fuller's instructions here:

   http://landonf.bikemonkey.org/2008/08/20#SoyLatte_Meets_OpenJDK.20080819

Dependencies:

I'm using Landon Fuller's 32-bit SoyLatte binaries to build the 
OpenJDK bsd port:

   http://landonf.bikemonkey.org/static/soylatte/

http://hg.bikemonkey.org/archive/javasrc_1_6_jrl_darwin/soylatte16-i386-1.0.3.tar.bz2

After downloading the binaries I copied then to:

   /usr/local/soylatte16-i386-1.0.3

Get Mercurial:

   sudo port install mercurial +bash_completion

and add the Forest extension:

   hg clone http://hg.akoha.org/hgforest

I'm actually using Patrick Mézard's clone of hgforest (just a couple 
of fixes to Simons work):

   hg clone http://bitbucket.org/pmezard/hgforest-crew

And after that add an 'hgext.forest' item with the path to forest.py 
in the extensions section in your ~/.hgrc file.

Here's mine:

   $ cat ~/.hgrc
   [ui]
   username = Stephen Bannasch <stephen.bannasch at gmail.com>
   [extensions]
   hgext.forest=/Users/stephen/dev/mercurial/hgforest-crew/forest.py

You'll also need Kurt Miller's binary plugs for the BSD port:

   http://landonf.bikemonkey.org/static/soylatte/jdk-7-icedtea-plugs-1.6.tar.gz

I unpacked them here:

   ~/dev/java/jdk-7-icedtea-plugs

Checkout all the code using hg/forest:

   hg fclone http://hg.openjdk.java.net/bsd-port/bsd-port

Here's what my bsd-port dir looks like:

   $ cd bsd-port/

   $ ls -l
   total 528
   -rw-r--r--   1 stephen  staff    1503 Dec 15 12:29 ASSEMBLY_EXCEPTION
   -rw-r--r--   1 stephen  staff   19241 Dec 15 12:29 LICENSE
   -rw-r--r--   1 stephen  staff   16336 Dec 15 12:29 Makefile
   -rw-r--r--   1 stephen  staff    1207 Dec 15 12:29 README
   -rw-r--r--   1 stephen  staff   87215 Jan 25 23:04 README-builds.html
   -rw-r--r--   1 stephen  staff  127532 Dec 15 12:29 THIRD_PARTY_README
   drwxr-xr-x   4 stephen  staff     136 Jan 26 00:51 build
   -rwxr--r--@  1 stephen  staff     373 Jan 26 03:00 build.sh
   drwxr-xr-x  11 stephen  staff     374 Jan 25 23:06 corba
   drwxr-xr-x  13 stephen  staff     442 Jan 25 23:06 hotspot
   drwxr-xr-x  11 stephen  staff     374 Jan 25 23:06 jaxp
   drwxr-xr-x  11 stephen  staff     374 Jan 25 23:06 jaxws
   drwxr-xr-x  12 stephen  staff     408 Jan 25 23:07 jdk
   drwxr-xr-x  12 stephen  staff     408 Jan 25 23:07 langtools
   drwxr-xr-x  18 stephen  staff     612 Dec 15 12:29 make

I added the script build.sh:

   $ cat build.sh
   # source build.sh
   LC_ALL=C
   LANG=C
   unset CLASSPATH
   unset JAVA_HOME
   make \
   ALT_BOOTDIR=/usr/local/soylatte16-i386-1.0.3/ \
   ALT_BINARY_PLUGS_PATH=/Users/stephen/dev/java/jdk-7-icedtea-plugs \
   ALT_FREETYPE_HEADERS_PATH=/usr/X11R6/include \
   ALT_FREETYPE_LIB_PATH=/usr/X11R6/lib \
   ALT_CUPS_HEADERS_PATH=/usr/include \
   ANT_HOME=/usr/share/ant \
   NO_DOCS=true \
   HOTSPOT_BUILD_JOBS=1

I build openjdk like this:

   source build.sh

This takes about 10m on my 2.5 GHz Intel Core 2 Duo MacBook Pro.

If it works I then copy it to /usr/local adding a suffix of my 
username and the date:

   sudo mv build/bsd-i586/j2sdk-image 
/usr/local/java-1.7.0-internal-`date "+%Y_%m_%d"``

   $ /usr/local/java-1.7.0/bin/java -version
   openjdk version "1.7.0-internal"
   OpenJDK Runtime Environment (build 
1.7.0-internal-stephen_2009_01_25_23_54-b00)
   OpenJDK Server VM (build 14.0-b10, mixed mode)

Then I link /usr/local/java-1.7.0 to the latest build:

   $ cd /usr/local
   $ sudo ln -s java-1.7.0-internal-`date "+%Y_%m_%d"` java-1.7.0

THese functions are in update-usr-local.sh:

#!/bin/sh                                                                                                                                                                                                           
   buildname=java-1.7.0-internal-`date "+%Y_%m_%d"`
   cp -r build/bsd-i586/j2sdk-image /usr/local/$buildname
   cd /usr/local
   sudo rm -f java-1.7.0
   sudo ln -s $buildname java-1.7.0

This results in:

   $ ls -l /usr/local
   ...
   lrwxr-xr-x    1 root  wheel    38 Jan 31 20:58 java-1.7.0 -> 
java-1.7.0-internal-2009_01_31
   drwxr-xr-x   15 root  wheel   510 Jan 31 21:37 java-1.7.0-internal-2009_01_31

Updating:

   $ cd bsd-port
   $ hg fpull -u
   $ source build.sh
   $ sudo ./update-usr-local.sh

I've modified the function pickjdk in my ~./bash_profile like this to 
add java 1.7.0

#
# pickjdk: for switching between Java versions:
# From Nick Sieger: http://pastie.org/170326
#   "I just symlink soylatte to:
# 
/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0-soylatte/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0-soylatte"
#
_macosx()
{
     if [ $(uname -s) = Darwin ]; then
         return 0
     else
         return 1
     fi
}

JDKS_ROOT=
if [ $(uname -s) = Darwin ]; then
     JDKS_ROOT=/System/Library/Frameworks/JavaVM.framework/Versions
fi

SOYLATTE_HOME=${HOME}/dev/java/src/soylatte/control/build/bsd-amd64
SOYLATTE_32_HOME=/usr/local/soylatte16-i386-1.0.3
JAVA_1_7_0_HOME=/usr/local/java-1.7.0

pickjdk()
{
     if [ -z "$JDKS_ROOT" ]; then
         return 1
     fi

     declare -a JDKS
     local n=1 jdk total_jdks choice=0 currjdk=$JAVA_HOME explicit_jdk
     for jdk in $JDKS_ROOT/[0-9]*; do
         if [ -d $jdk -a ! -L $jdk ]; then
             echo -n " $n) $(basename $jdk)"
             if _macosx; then
                 jdk=$jdk/Home
             fi
             if [ $jdk = "$currjdk" ]; then
                 echo " < CURRENT"
             else
                 echo
             fi
             JDKS[$n]=$jdk
             total_jdks=$n
             n=$[ $n + 1 ]
         fi
     done
     echo " $n) Soylatte-amd64"
     JDKS[$n]=$SOYLATTE_HOME
     n=$[ $n + 1 ]
     echo " $n) Soylatte16-i386-1.0.3"
     JDKS[$n]=$SOYLATTE_32_HOME
     n=$[ $n + 1 ]
     echo " $n) 1.7.0"
     JDKS[$n]=$JAVA_1_7_0_HOME
     n=$[ $n + 1 ]
     echo " $n) None"
     JDKS[$n]=None
     total_jdks=$n

     if [ $total_jdks -gt 1 ]; then
         while [ -z "${JDKS[$choice]}" ]; do
             echo -n "Choose one of the above [1-$total_jdks]: "
             read choice
         done
         else
         choice=1
     fi

     if [ -z "$currjdk" ]; then
         currjdk=$(dirname $(dirname $(type -path java)))
     fi

     if [ ${JDKS[$choice]} != None ]; then
         export JAVA_HOME=${JDKS[$choice]}
     else
         unset JAVA_HOME
     fi

     explicit_jdk=
     for jdk in ${JDKS[*]}; do
         if [ "$currjdk" = "$jdk" ]; then
             explicit_jdk=$jdk
             break
         fi
     done

     if [ "$explicit_jdk" ]; then
         if [ -z "$JAVA_HOME" ]; then
             PATH=$(echo $PATH | sed "s|$explicit_jdk/bin:*||g")
         else
             PATH=$(echo $PATH | sed "s|$explicit_jdk|$JAVA_HOME|g")
         fi
     elif [ "$JAVA_HOME" ]; then
         PATH="$JAVA_HOME/bin:$PATH"
     fi

     hash -r
     unset JDKS
}