Configure broken on MIPS when uname returns mipsel or mips64el

[Erik Joelsson]

I'll sponsor it.

/Erik


On 2018-05-29 23:13, Ao Qi wrote:
> Could someone help to create a bug etc?
>
> Thanks,
> Ao Qi
> Magnus Ihse Bursie <magnus.ihse.bursie at oracle.com> 于2018年5月25日周五 下午
> 3:42写道：
>
>> On 2018-05-24 03:08, Ao Qi wrote:
>> Hi Erik,
>> Thanks for your comments. I made a new patch:
>> $ hg diff
>> diff -r 31361382634b make/autoconf/build-aux/config.guess
>> --- a/make/autoconf/build-aux/config.guess Tue May 22 10:08:04 2018 -0700
>> +++ b/make/autoconf/build-aux/config.guess Thu May 24 09:07:17 2018 +0800
>> @@ -86,6 +86,17 @@
>>       fi
>>     fi
>> +# Test and fix little endian MIPS.
>> +if [ "x$OUT" = x ]; then
>> +  if [ `uname -s` = Linux ]; then
>> +    if [ `uname -m` = mipsel ]; then
>> +      OUT=mipsel-unknown-linux-gnu
>> +    elif [ `uname -m` = mips64el ]; then
>> +      OUT=mips64el-unknown-linux-gnu
>> +    fi
>> +  fi
>> +fi
>> +
>>     # Test and fix cpu on Macosx when C preprocessor is not on the path
>>     echo $OUT | grep i386-apple-darwin > /dev/null 2> /dev/null
>>     if test $? = 0; then
>
>> Looks good to me.
>> /Magnus
>> Cheers,
>> Ao Qi
>> 2018-05-24 0:19 GMT+08:00 Erik Joelsson <erik.joelsson at oracle.com>:
>> Hello Ao Qi,
>> Due to licensing reasons, we are unable to directly update the
>> autoconf-config.guess file. Instead we have the wrapper, config.guess in
>> which we make adjustments to the result returned by autoconf-config.guess.
>> Your fix needs to go in the wrapper file.
>> /Erik
>
>
>> On 2018-05-23 03:18, Ao Qi wrote:
>> Hi all,
>> I tried to configure jdk/jdk on MIPS, but I failed. The output of
>> configure:
>> ...
>> checking for pandoc... no
>> checking build system type...
>> /home/loongson/aoqi/jdk/make/autoconf/build-aux/config.guess: unable
>> to guess system type
>> This script, last modified 2012-02-10, has failed to recognize
>> the operating system you are using. It is advised that you
>> download the most up to date version of the config scripts from
>
>
> http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
>> and
>
> http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
>
>> If the version you run
>> (/home/loongson/aoqi/jdk/make/autoconf/build-aux/config.guess) is
>> already up to date, please
>> send the following data and any information you think might be
>> pertinent to <config-patches at gnu.org> in order to provide the needed
>> information to handle your system.
>> config.guess timestamp = 2012-02-10
>> uname -m = mips64el
>> uname -r = 3.10.0-693.5.2.ns7.032.mips64el
>> uname -s = Linux
>> uname -v = #1 SMP PREEMPT Fri Dec 29 16:42:48 CST 2017
>> /usr/bin/uname -p = mips64el
>> /bin/uname -X     =
>> hostinfo               =
>> /bin/universe          =
>> /usr/bin/arch -k       =
>> /bin/arch              = mips64el
>> /usr/bin/oslevel       =
>> /usr/convex/getsysinfo =
>> UNAME_MACHINE = mips64el
>> UNAME_RELEASE = 3.10.0-693.5.2.ns7.032.mips64el
>> UNAME_SYSTEM  = Linux
>> UNAME_VERSION = #1 SMP PREEMPT Fri Dec 29 16:42:48 CST 2017
>> configure: error: cannot guess build type; you must specify one
>> configure exiting with result code 1
>> ...
>> I think the reason is that uname returns mips64el.
>> autoconf-config.guess can handle mips and mips64, but cannot handle
>> mipsel and mips64el.
>> I made a patch to pass the configure:
>> $ hg diff
>> diff -r 31361382634b make/autoconf/build-aux/autoconf-config.guess
>> --- a/make/autoconf/build-aux/autoconf-config.guess Tue May 22
>> 10:08:04 2018 -0700
>> +++ b/make/autoconf/build-aux/autoconf-config.guess Wed May 23
>> 18:06:52 2018 +0800
>> @@ -977,6 +977,9 @@
>>       eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
>>       test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
>>       ;;
>> +    mipsel:Linux:*:* | mips64el:Linux:*:*)
>> + echo ${UNAME_MACHINE}-unknown-linux-gnu
>> + exit ;;
>>          or32:Linux:*:*)
>>       echo ${UNAME_MACHINE}-unknown-linux-gnu
>>       exit ;;
>
>> I think ppc has the same problem, but it is fixed in
>> make/autoconf/build-aux/config.guess.
>> Thanks,
>> Ao Qi