[NEW BUG]: Configure broken on MIPS

[Erik Joelsson]

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.

/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