I can see the FTBFS also and is caused by missing dependency. libbfd also needs libzstd and libsframe.
debdiff attahced which will fix the build.
build log from ppa at https://launchpadlibrarian.net/701412715/buildlog_ubuntu-noble-amd64.oprofile_1.4.0-0ubuntu8_BUILDING.txt.gz
I can see the FTBFS also and is caused by missing dependency. libbfd also needs libzstd and libsframe.
debdiff attahced which will fix the build.
build log from ppa at https:/ /launchpadlibra rian.net/ 701412715/ buildlog_ ubuntu- noble-amd64. oprofile_ 1.4.0-0ubuntu8_ BUILDING. txt.gz