On Sun, 31 May 2020 at 14:45, Manfred Schwarb <manfred99@xxxxxx> wrote: > > Am 31.05.20 um 01:46 schrieb Manfred Schwarb: > > Am 30.05.20 um 09:39 schrieb Jonathan Wakely: > >> On Sat, 30 May 2020 at 02:01, Manfred Schwarb <manfred99@xxxxxx> wrote: > > >>> > >>> I built GCC with > >>> #> ../configure --enable-checking=yes,extra i686-linux > >>> #> make BOOT_CFLAGS="-O2 -ggdb" bootstrap2-lean > >>> > > OK, I found it. I was perhaps a bit too clever: while "bootstrap2" > really speeds up things a lot, it seems to hamper debugability. > So if I bootstrap with "bootstrap", my backtraces show up as they should. You can just do "make" and not ask for any bootstrap targets. The default is a normal bootstrap, which would have worked fine. > BTW: is bootstrapping with BOOT_CFLAGS="-Og -g" meant to work? Yes. > With "-Og" I get multiple errors of the category "-Werror=maybe-uninitialized" > and "-Werror=format-whatever" and bootstrap fails. --disable-werror
