On 6/20/19 3:00 PM, david.tay...@dell.com wrote: > Dell Customer Communication - Confidential > >> From: Martin Liška <mli...@suse.cz> >> Sent: Thursday, June 20, 2019 5:12 AM >> To: taylor, david; richard.guent...@gmail.com >> Cc: gcc@gcc.gnu.org >> Subject: Re: gcc: -ftest-coverage and -auxbase >> >> On 6/19/19 7:11 PM, david.tay...@dell.com wrote: >>> Thanks for the patch. Standalone it is not sufficient. Combined with >>> the other two changes that have been discussed -- >> >> Why is that not sufficient? If you build from top-level and you have .o files >> that overwrite each other, then you can set -fprofile-note-dir=/tmp/my- >> unique-folder >> >> And you'll not overwrite .gcno files. >> >> Martin > > Right now GCC names the GCNO files '-.gcno'. > > With your patch they get put into a specified directory. But, > unless I am prepared to create over 16,000 directories each to > hold just one file (I'm not), it is not sufficient. > > What I want to do -- unless it is going to create problems -- is > to place the notes files alongside the object files. The files > foo.o and foo.gcno would be in the same directory. >
I would recommend that. You can achieve that with -fprofile-note-dir=. Martin
