On Thu, 28 Mar 2024 16:50:20 GMT, Joachim Kern <jk...@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 was removed by > [JDK-8327701](https://bugs.openjdk.org/browse/JDK-8327701). > Now we also switch the HOTSPOT_TOOLCHAIN_TYPE from xlc to gcc, removing the > last xlc rudiment. > This means merging the AIX specific content of > utilities/globalDefinitions_xlc.hpp and utilities/compilerWarnings_xlc.hpp > into the corresponding gcc files on the on side and removing the > defined(TARGET_COMPILER_xlc) blocks in the code, because the > defined(TARGET_COMPILER_gcc) blocks work out of the box for the new AIX > compiler. > The rest of the changes are needed because of using > utilities/compilerWarnings_xlc.hpp the compiler is much more nagging about > ill formatted printf src/hotspot/share/utilities/globalDefinitions_gcc.hpp line 83: > 81: #error "xlc version not supported, macro __open_xl_version__ not found" > 82: #endif > 83: #endif // AIX This `#ifdef _AIX` might be obsolete, because configure will throw a warning if the compiler has a lower version, but it's only a warning. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/18536#discussion_r1543307859
