Building without Solaris directory on Linux

[Volker Simonis]

On Wed, Nov 11, 2015 at 11:42 AM, Frieder Berthold
<berthold.frieder at googlemail.com> wrote:
> Thanks for your fast answer!
>
> This means in jdk8 there is no way to build only a smaller subset of the
> jdk?
> But in jdk9 there is?

The subset you build will be the same in both jdk8 and jdk9. In jdk8
the sources are just not that nicely organized. Instead you have a lot
of '#ifdefs' in jdk8. But the result should be the same (modulo the
extra Java 9 stuff which went into jdk9).

>
> 2015-11-11 11:18 GMT+01:00 Volker Simonis <volker.simonis at gmail.com>:
>>
>> On Wed, Nov 11, 2015 at 11:00 AM, Frieder Berthold
>> <berthold.frieder at googlemail.com> wrote:
>> > Hello to all,
>> >
>> > I am new in buiding OpenJDK and hope, that this is the right list for my
>> > problem.
>> >
>> > To get a small JVM and rt.jar I try to build OpenJDK 8 with the small
>> > musl
>> > libc (http://www.musl-libc.org/) instead of using the standard gnu libc,
>> > yet I do not get it to build correctly.
>> >
>> > My system: ubuntu 14.04 64bit
>> >
>> > OpenJDK: OpenJDK 8 cloned from http://hg.openjdk.java.net/jdk8/jdk8/
>> >
>> > My Problem: The following headers (which musl does not provide) cannot
>> > be
>> > found while building the solaris-part
>> >
>> >
>> > jdk8/jdk/src/solaris/native/java/net/PlainDatagramSocketImpl.c:38:24:
>> > fatal
>> > error:        sys/sysctl.h: No such file or directory
>> >
>> > and
>> >
>> >
>> > jdk8/jdk/src/solaris/native/java/net/NetworkInterface.c:50:25:
>> > fatal error: bits/ioctls.h: No such file or directory
>> >
>> > My Question: Even though I got a Linux (which is stated after the
>> > configure
>> > process) it tries to build the sources in the solaris directory. Is this
>> > necessary or is there a way to prevent this?
>>
>> For jdk8, jdk/src/solaris actually contains all the common "unix"
>> sources so you indeed have to compile it. In jdk8, the linux directory
>> only contains some man-pages but no real source code.
>>
>> In jdk9 the sources have been reordered and now there's a "unix"
>> directory for shared unix sources and linux, solaris, aix, etc.
>> directories for platform dependent stuff.
>>
>> > Even deeper into this matter:
>> > I only need the profile compact1 for the Linux OS, are there switches
>> > for
>> > the configure step to achieve this?
>> >
>> > Thank You in advance for any help!
>> > Frieder
>
>