On Wed, 15 Apr 2026 08:26:45 GMT, Matthias Baesken <[email protected]> wrote:

>> On some gcc - based Linux devkits like older Fedora with gcc 14, the build 
>> on Linux x86_64 fails with --enable-linktime-gc set (ltgc enabled).
>> 
>> Error output :
>> support_native_java.desktop_libfontmanager_BUILD_LIBFONTMANAGER_run_ld :
>> 
>> 
>> /devkits/x86_64-linux-gnu-to-x86_64-linux-gnu-fedora27-gcc14.2.0/bin/../lib/gcc/x86_64-linux-gnu/14.2.0/../../../../x86_64-linux-gnu/lib/../lib64/libstdc++.a(eh_throw.o)(.note.stapsdt+0x14):
>> error: relocation refers to local symbol ".text.__cxa_throw" [5], which is 
>> defined in a discarded section
>> 
>> 
>> Seems we can disable exceptions and rtti too on this lib when using the gcc 
>> and clang toolchains. This makes the error disappear.
>> And it also helps to get the lib a little smaller, even without ltgc  .
>> 
>> ---------
>> - [X] I confirm that I make this contribution in accordance with the 
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> Matthias Baesken has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   Use CXXFLAGS_gcc / CXXFLAGS_clang

I will submit a build + client test with this change.

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

PR Comment: https://git.openjdk.org/jdk/pull/30701#issuecomment-4262813820

Reply via email to