Building OpenJDK with Xcode12 devkits on older macOS

[erik.joelsson at oracle.com]

Hello Matthias,

I don't know of a nicer way. I have just assumed that the build won't 
work on a Macos version older than what the Xcode in the kit officially 
supports.

/Erik

On 2021-07-12 04:26, Baesken, Matthias wrote:
> Hello, I noticed the following when building jdk  on  macOS 10.14 with xcode12 devkit .
> The tool  "xcodebuild"   which  is used at some places in the configure process (see basic.m4 / toolchain.m4) fails because of the too old macOS :
>
> configure:70788: xcodebuild output: dyld: Library not loaded: /System/Library/Frameworks/Combine.framework/Versions/A/Combine
> configure:70790: error: Failed to determine Xcode version.
>
> But when I rename/remove the xcodebuild  from the devkit, the builds work perfectly fine (because the compilers do not have these deps to Combine.framework).
> So I wonder - is there a "nicer"  way to achieve this without renaming/removing the xcodebuild  tool from the devkit (e.g. by setting other configure options or env variables) ?
>
>
> Thanks, Matthias
>
>
>