[NEW BUG]: Configure broken on MIPS

[David Holmes]

On 23/03/2018 11:33 AM, Ao Qi wrote:
> So what should be the next? Is that another problem, or should the
> MIPS broken configure be fixed together?

There should be one proper fix to cover all affected platforms.

David

> 2018-03-23 5:04 GMT+08:00 David Holmes <david.holmes at oracle.com>:
>> On 23/03/2018 12:13 AM, Erik Joelsson wrote:
>>>
>>> Hello,
>>>
>>> The fix looks correct, but I'm starting to think that maybe the
>>> conditional should be inverted and instead list the architectures that
>>> actually use -m64? It seems a whole lot of them don't.
>>
>>
>> Magnus indicated he was working on a better solution when he put in the
>> quick-fix check for Aarch64. Yes this should only add -m64 on compilers and
>> platforms that support it.
>>
>> David
>> -----
>>
>>
>>> /Erik
>>>
>>>
>>> On 2018-03-21 23:24, Ao Qi wrote:
>>>>
>>>> Hi,
>>>>
>>>> I found configure of http://hg.openjdk.java.net/jdk/jdk was broken on
>>>> MIPS.
>>>>
>>>> the output of configure:
>>>> ...
>>>> configure: Using default toolchain gcc (GNU Compiler Collection)
>>>> checking for gcc... /usr/bin/gcc
>>>> checking resolved symbolic links for CC...
>>>> /usr/bin/mips64el-linux-gnuabi64-gcc-6
>>>> configure: Using gcc C compiler version 6.3.0 [gcc (Debian 6.3.0-18)
>>>> 6.3.0 20170516]
>>>> checking whether the C compiler works... no
>>>> configure: error: in `/home/loongson/aoqi/jdk':
>>>> configure: error: C compiler cannot create executables
>>>> See `config.log' for more details
>>>> configure exiting with result code 77
>>>> ...
>>>>
>>>> the related content of config.log:
>>>> ...
>>>> configure:35256: checking whether the C compiler works
>>>> configure:35278: /usr/bin/gcc -m64    -m64   conftest.c  >&5
>>>> gcc: error: unrecognized command line option '-m64'
>>>> gcc: error: unrecognized command line option '-m64'
>>>> configure:35282: $? = 1
>>>> configure:35320: result: no
>>>> configure: failed program was:
>>>> | /* confdefs.h */
>>>> | #define PACKAGE_NAME "OpenJDK"
>>>> | #define PACKAGE_TARNAME "openjdk"
>>>> | #define PACKAGE_VERSION "jdk9"
>>>> | #define PACKAGE_STRING "OpenJDK jdk9"
>>>> | #define PACKAGE_BUGREPORT "build-dev at openjdk.java.net"
>>>> | #define PACKAGE_URL "http://openjdk.java.net"
>>>> | /* end confdefs.h.  */
>>>> |
>>>> | int
>>>> | main ()
>>>> | {
>>>> |
>>>> |   ;
>>>> |   return 0;
>>>> | }
>>>> configure:35325: error: in `/home/loongson/aoqi/jdk':
>>>> configure:35327: error: C compiler cannot create executables
>>>> See `config.log' for more details
>>>> ...
>>>>
>>>>
>>>> I made a small patch to pass the configure:
>>>>
>>>> $ hg diff make/autoconf/flags.m4
>>>> diff -r 3acb379b8672 make/autoconf/flags.m4
>>>> --- a/make/autoconf/flags.m4 Thu Mar 22 08:09:51 2018 +0800
>>>> +++ b/make/autoconf/flags.m4 Thu Mar 22 12:55:00 2018 +0800
>>>> @@ -237,7 +237,11 @@
>>>>        MACHINE_FLAG="-q${OPENJDK_TARGET_CPU_BITS}"
>>>>      elif test "x$TOOLCHAIN_TYPE" != xmicrosoft; then
>>>>        if test "x$OPENJDK_TARGET_CPU" != xaarch64 &&
>>>> -        test "x$OPENJDK_TARGET_CPU" != xarm; then
>>>> +        test "x$OPENJDK_TARGET_CPU" != xarm &&
>>>> +        test "x$OPENJDK_TARGET_CPU" != xmips &&
>>>> +        test "x$OPENJDK_TARGET_CPU" != xmipsel &&
>>>> +        test "x$OPENJDK_TARGET_CPU" != xmips64 &&
>>>> +        test "x$OPENJDK_TARGET_CPU" != xmips64el; then
>>>>          MACHINE_FLAG="-m${OPENJDK_TARGET_CPU_BITS}"
>>>>        fi
>>>>      fi
>>>>
>>>>
>>>> I think this is the same problem with bug 8199052 and 8199152. Could
>>>> someone help to review the change?
>>>>
>>>> Thanks,
>>>> Ao Qi
>>>
>>>
>>