> The new xlc17 compiler should be supported to build OpenJDK on AIX. This > compiler, compared to the currently supported xlc16, has a significantly more > recent clang (xlc 17.1.1 uses clang 15) included. > 1. Because the frontend interface of the new compiler (c-flags, Ld-Flags) has > changed from an xlc to a clang interface we decided to use the clang > toolchain for the new xlc17 compiler. > 2. Unfortunately, the system headers are mainly unchanged, so they do not > harmonize with the src/hotspot/share/utilities/globalDefinitions_gcc.hpp > which would be used if we totally switch to clang toolchain. So we keep the > HOTSPOT_TOOLCHAIN_TYPE=xlc > 3. In src/hotspot/share/utilities/globalDefinitions_xlc.hpp we introduce a > new define AIX_XLC_GE_17 which is set if we build with the new xlc17 on AIX. > This define will be used in following PRs.
JoKern65 has updated the pull request incrementally with two additional commits since the last revision: - revert accidantially changed mode bits - I followed the proposals ------------- Changes: - all: https://git.openjdk.org/jdk/pull/13898/files - new: https://git.openjdk.org/jdk/pull/13898/files/a94aa615..74331b8f Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=13898&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13898&range=00-01 Stats: 12 lines in 5 files changed: 1 ins; 0 del; 11 mod Patch: https://git.openjdk.org/jdk/pull/13898.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/13898/head:pull/13898 PR: https://git.openjdk.org/jdk/pull/13898
