On Fri, Apr 05, 2019 at 04:35:50PM +0000, David Laight wrote: > From: Josh Poimboeuf > > Sent: 05 April 2019 17:21 > .. > > > FWIW I had to update libelf.so from version 0.153 to 0.165 in > > > order for the amd64 orc unwinder code in objtool to not generate > > > corrupt output files. > > > That is an Ubuntu 13.04 system - nothing like 10 years old. > > > > Ah. It would be great if we had a patch to fail the build for old > > versions of elfutils-libelf as well. > > I think the check I added for that specific error got committed. > Look at the defintion of cmd_objtool in scripts/Makefile.build. > > Although I seem to have a local change to the definition of > cmd_modversions_c. > It might be that the version of a change I made that got committed > is missing an extra $ when processing the saved output from 'objdump -h'. > It used to just pipe into grep - so lost the error result from objdump. Hm, I don't see that in cmd_objtool, or any commits from you in scripts/Makefile.build. -- Josh
