RFR: 8327701: Remove the xlc toolchain [v2]

Mon Mar 11 12:47:57 UTC 2024

On Fri, 8 Mar 2024 15:48:08 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> As of [JDK-8325880](https://bugs.openjdk.org/browse/JDK-8325880), building the JDK requires version 17 of IBM Open XL C/C++ (xlc). This is in effect clang by another name, and it uses the clang toolchain in the JDK build. Thus the old xlc toolchain is no longer supported, and should be removed.
>
> Magnus Ihse Bursie has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Revert SEARCH_PATH changes

With this change added, currently  configure fails 

checking for ibm-llvm-cxxfilt... /opt/IBM/openxlC/17.1.1/tools/ibm-llvm-cxxfilt
configure: error: ibm-clang_r version output check failed, output: 
configure exiting with result code 

maybe  related to what Joachim pointed out ?

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PR Comment: https://git.openjdk.org/jdk/pull/18172#issuecomment-1988358518