RFR: JDK-8170784: JDK-8170651 broke cross compilation

[David Holmes]

Thanks Erik. Looks good.

I suspected it might be that part but couldn't quite connect the dots.

And I have to express my concern that those changes were not adequately 
tested!

David
-----

On 6/12/2016 6:52 PM, Erik Joelsson wrote:
> When cleaning up legacy hotspot settings in JDK-8170651, a bit too much
> was removed. Now we can't cross compile certain arm platforms.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8170784
>
> Patch:
>
> diff -r 9475c1488d29 common/autoconf/buildjdk-spec.gmk.in
> --- a/common/autoconf/buildjdk-spec.gmk.in
> +++ b/common/autoconf/buildjdk-spec.gmk.in
> @@ -89,4 +89,10 @@
>  # Control wether Hotspot builds gtest tests
>  BUILD_GTEST := false
>
> JVM_VARIANTS := server
> +
> +# Some users still set EXTRA_*FLAGS on the make command line. Must
> +# make sure to override that when building buildjdk.
> +override EXTRA_CFLAGS :=
> +override EXTRA_CXXFLAGS :=
> +override EXTRA_LDFLAGS :=
>
>
> /Erik
>