On 2017-08-31 13:03 +0000, Lassi Niemistö wrote: > Hello, > > Aiming for a deterministic build, one of the last walls I hit is the LTO (-fwhole-program -flto -fuse-linker-plugin). > > When running > strings < /path/to/binary > for two different build runs and diff them, I get differences like > "ccV3ggwx.ltrans0.o" vs. "cchJIW0p.ltrans0.o" This are the names of temp file in /tmp created by lto-trans. > Why is the ltrans mangling some names like this? Can I somehow force it deterministic? I don't know if we can do this in GCC 4.8.2. With GCC 7.2 these names become "<artifical>". > I can use link switch -s to strip this information, but if I want to include the debug info, this will not be > possible. > > -Lassi N. -- Xi Ruoyao <ryxi@xxxxxxxxxxxxxxxxx> School of Aerospace Science and Technology, Xidian University
