https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105063
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to vit9696 from comment #4) > Path length limitation in the current case is 200 bytes, but in general the > issue is that we would like _to be able to properly set the gcda path for > the target_.(In reply to vit9696 from comment #4) > Path length limitation in the current case is 200 bytes, but in general the > issue is that we would like _to be able to properly set the gcda path for > the target_. Currently the specified path may not even exist when > cross-compiling, and no approach to change it without prepending to the > build path is simply inconvenient. Well, if you do a cross-compilation, then you can use -fprofile-dir=/tmp/foobar and then use -fprofile-use on the same system where you run the instrumentation run.
