Configure broken on MIPS when uname returns mipsel or mips64el

[Ao Qi]

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