On Mon, 24 Nov 2025 14:53:33 GMT, Matthias Baesken <[email protected]> wrote:
>> The dead_strip linker option on macOS removes functions and data that are >> unreachable by the entry point or exported symbols. >> Setting it can reduce the size of some binaries we generate quite a lot, for >> example (product build, Xcode 15 is used) : >> (before -> after setting the option) >> >> 1.4M -> 1.1M images/jdk/lib/libfontmanager.dylib >> 264K -> 248K images/jdk/lib/libjavajpeg.dylib >> 152K -> 132K images/jdk/lib/libjli.dylib >> 388K -> 296K images/jdk/lib/liblcms.dylib >> 164K -> 128K images/jdk/lib/libzip.dylib >> >> >> and libjvm : >> >> 20M -> 18M images/jdk/lib/server/libjvm.dylib >> 146M -> 137M images/jdk/lib/server/libjvm.dylib.dSYM > > Matthias Baesken has updated the pull request incrementally with one > additional commit since the last revision: > > Set the -dead_strip linker option only for the JDK libs Here are some current values (build from last evening 24th Nov.) for JDK native libs where I see a noticeable effect in size reduction with this PR (values in K without `->` with the flag , product build, XCode 15 used) 1216 -> 1188 /jdk/lib/libawt_lwawt.dylib 1348 -> 1036 /jdk/lib/libfontmanager.dylib 636 -> 620 /jdk/lib/libfreetype.dylib 264 -> 248 /jdk/lib/libjavajpeg.dylib 312 -> 292 /jdk/lib/libjdwp.dylib 152 -> 132 /jdk/lib/libjli.dylib 388 -> 296 /jdk/lib/liblcms.dylib 500 -> 484 /jdk/lib/libmlib_image.dylib 164 -> 128 /jdk/lib/libzip.dylib ------------- PR Comment: https://git.openjdk.org/jdk/pull/28319#issuecomment-3574624069
