On Mon, 16 Jun 2025 13:38:34 GMT, Magnus Ihse Bursie <i...@openjdk.org> wrote:
>> When you download the Visual Studio Build Tools on an ARM64 machine, it >> downloads the native binaries for the `x64` architecture under `Hostx64` and >> the native binaries for `arm64` under `Hostarm64`. This devkit script does >> not generate any binaries; it simply copies the Build Tools from Visual >> Studio. > > I find this confusing, but that's probably since I don't understand what > Microsoft is shipping and where. > > There are 4 relevant compilers: > 1) A compiler that runs on x64 and generates x64 code (x64 native compilation) > 2) A compiler that runs on x64 and generates aarch64 code (aarch64 > cross-compilation on x64) > 3) A compiler that runs on aarch64 and generates aarch64 code (aarch64 native > compilation) > 4) A compiler that runs on aarch64 and generates x64 code (x64 > cross-compilation on aarch64) > > For a devkit targeting x64, 1) and 2) should be included. For a devkit > targeting aarch64, 3) (and ideally 4) as well) should be included. > > Are you saying that if you download VS on aarch64, you will get all four > compilers installed? Yes, if I download VS on aarch64 I get the four compilers installed. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/25259#discussion_r2150506976
