On Fri, 7 Nov 2025 15:06:51 GMT, Matthias Baesken <[email protected]> wrote:
>> We currently have support for LTO (link time optimization) for >> Hotspot/libjvm, that can be enabled as a JVM feature. >> But for other JDK native libs, we do not have support for this feature. >> LTO and sometimes lead to faster and also in some cases smaller binaries, so >> support for this might be interesting also for other libs and not only >> libjvm. > > Matthias Baesken has updated the pull request incrementally with one > additional commit since the last revision: > > Add lto to EXTRA_FLAGS, not to OPT Not really fond of the way this was done, but oh well, I can live with the changes regardless. make/autoconf/flags-cflags.m4 line 327: > 325: C_O_FLAG_NONE="-Od" > 326: C_O_FLAG_SIZE="-O1" > 327: C_O_FLAG_LTO="-GL" There is sometimes warning spam during linking if -Gy is not set alongside -GL last I remember. This probably won't break LTO builds, but it could possibly be annoying. Whether you want to add the flag is up to you, however. ------------- PR Review: https://git.openjdk.org/jdk/pull/27976#pullrequestreview-3491340499 PR Review Comment: https://git.openjdk.org/jdk/pull/27976#discussion_r2548662231
