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 50: > 48: #undef malloc > 49: extern void *malloc(size_t) asm("vec_malloc"); > 50: #endif This `#if` is not needed if we are building on AIX 7.2 TL5 SP7 or higher. This is the case in our build environment, but I think IBM is still building with SP5, which would run into build errors if I remove this `#if` now. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/18536#discussion_r1543312492
