Integrated: 8314262: GHA: Cut down cross-compilation sysroots deeper

[Aleksey Shipilev]

On Tue, 15 Aug 2023 12:36:05 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> [JDK-8294941](https://bugs.openjdk.org/browse/JDK-8294941) cut out some unused files in GHA sysroots. But I notice that even after that, we still have quite a bit of fluff there, especially in RISC-V sysroot. We can cut a bit deeper. Notably, we don't need runnable gcc in the sysroot, because we use the cross-compilation toolchain from the host.
> 
> This further saves bandwidth, cache size, etc. for actively developed projects.
> 
> Seeing the following improvements in sysroot sizes:
> 
> 
> ARM:      64 MB ->  37 MB
> AArch64:  80 MB ->  46 MB
> S390X:    69 MB ->  41 MB
> PPC64:    84 MB ->  51 MB
> RISC-V:  287 MB ->  53 MB
> 
> Total:   584 MB -> 228 MB (-61%)
> 
> 
> Additional testing:
>  - [x] GHA (cross-builds still work fine)

This pull request has now been integrated.

Changeset: 38687f1a
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/38687f1a3eb7d1c2e8aa43b85509ab7999fe0e40
Stats:     2 lines in 1 file changed: 1 ins; 0 del; 1 mod

8314262: GHA: Cut down cross-compilation sysroots deeper

Reviewed-by: erikj

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PR: https://git.openjdk.org/jdk/pull/15287