On Sun, 1 Mar 2026 13:03:05 GMT, SendaoYan <[email protected]> wrote:

>> Hi all,
>> 
>> clang23+gcc12(ubuntu) generate compiler warning 
>> "get_temporary_buffer<testing::TestInfo *>' is deprecated 
>> [-Werror,-Wdeprecated-declarations]". And this compiler warning from 
>> googletest file googletest/src/gtest.cc, googletest/src/gtest.cc invoke 
>> `std::stable_sort`, and `std::stable_sort` invoke deprecated 
>> `std::get_temporary_buffer`. So this warning is unrelated to JDK totally.
>> 
>> This PR disable deprecated-declarations warning when building libgtest. 
>> Change has been verified locally.
>
> SendaoYan has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Use $() instead of # as comment line inside makefile macro

Marked as reviewed by erikj (Reviewer).

make/hotspot/lib/CompileGtest.gmk line 68:

> 66:     $(comment Disable deprecated-declarations warnings to workaround) \
> 67:     $(comment clang18+glibc12 bug 
> https://github.com/llvm/llvm-project/issues/76515) \
> 68:     $(comment until the clang bug has been fixed) \

This is a creative way of adding comments inside macro calls in make that I 
haven't seen before. We have usually resorted to putting comments before the 
top level call. I think I'm ok with this construct, at least for now.

-------------

PR Review: https://git.openjdk.org/jdk/pull/29919#pullrequestreview-3876426868
PR Review Comment: https://git.openjdk.org/jdk/pull/29919#discussion_r2872629035

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