GCJ 4.9.3 on mips64el-linux failing to build Ant.

[Ricardo Wurmus]

Andrew Haley <aph@redhat.com> writes:

> On 10/29/2015 12:32 PM, Ricardo Wurmus wrote:
>> Andrew Haley <aph@redhat.com> writes:
>> 
>>> On 10/29/2015 12:08 PM, Ricardo Wurmus wrote:
>>>> Here’s the complete log that I get when building GCJ 4.9.3 and running
>>>> the tests:
>>>>
>>>>     http://hydra.gnu.org/build/758888/log/raw
>>>
>>> I can't see the output of the libjava testsuite.  "make check-target-libjava"
>>> should do it.
>> 
>> Here’s the libjava testsuite output:
>
> No, the actual testsuite output.  It's in a logfile.

Attached is “libjava.log” from the directory
“build/arm-unknown-linux-gnueabihf/libjava/testsuite/”.  One obvious
problem according to the log is this:

    gcj: error trying to exec 'ecj1': execvp: No such file or directory

GCJ is configured with the following flags (in addition to the usual GCC
flags):

    "--enable-java-home"
    "--enable-gjdoc"
    "--with-ecj-jar=ecj-4.9.jar"
    "--enable-languages=java"

“ecj-4.9.jar” is the one downloaded from
<ftp://sourceware.org/pub/java/ecj-4.9.jar>.  I cannot build it from
source because that would require a JDK — GCJ is the first JDK I’m
building on ARM and MIPS.  Is this a problem?  Is “ecj-4.9.jar” portable
or does it need to be cross-built for other platforms?

I should also note that this very same recipe works on i686 and x86_64.

~~ Ricardo

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