[NEW BUG]: Configure broken on MIPS

[Ao Qi]

So what should be the next? Is that another problem, or should the
MIPS broken configure be fixed together?

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
>>
>>
>