https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87553
--- Comment #9 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to r...@cebitec.uni-bielefeld.de from comment #8) > > --- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> --- > [...] > > You can use gcov-dump -l to dump content of the files. However, it's not > > problem as the file exists. The warning should be only shown when a > > checksum of > > a source file changes or *.gcda file is missing. > > I just did and the dump output is identical between Solaris 10 and 11, > except for the (time?)stamp: > > --- inline_mismatch_args.gcda.dump 2018-10-09 11:53:46.821193185 +0200 > +++ s11/inline_mismatch_args.gcda.dump 2018-10-09 11:54:45.635266085 +0200 > @@ -1,5 +1,5 @@ > inline_mismatch_args.gcda:data:magic `gcda':version `A90e' > -inline_mismatch_args.gcda:stamp 1409470171 > +inline_mismatch_args.gcda:stamp 1412694146 > inline_mismatch_args.gcda: a1000000: 2:OBJECT_SUMMARY runs=1, sum_max=1 > inline_mismatch_args.gcda: 01000000: 3:FUNCTION ident=108032747, > lineno_checksum=0xa42833e0, cfg_checksum=0xc0bbb23e > inline_mismatch_args.gcda: 01a10000: 4:COUNTERS arcs 2 counts Which is logical, it's timestamp when a compilation unit was built.