On Thu, May 7, 2020 at 8:16 AM Richard Biener <richard.guent...@gmail.com> wrote: > > On May 6, 2020 11:15:08 PM GMT+02:00, Uros Bizjak via Gcc <gcc@gcc.gnu.org> > wrote: > >Hello! > > > >I wonder, if the build process really needs to build all multilibs in > >stage-1 bootstrap build. IIRC, stage-1 uses system compiler to build > >stage-1 gcc, so there is no need for multilibs, apart from library > >that will be used by stage-1 gcc during compilation of stage-2 > >compiler. > > Correct. Only stage3 needs those. But IIRC we already avoid building them? > Likewise we avoid building libsanitizer and friends in stage 1/2 unless ubsan > bootstrap is enabled.
Looking at: [gcc-build]$ ls stage1-x86_64-pc-linux-gnu/32/ libgcc libgomp libstdc++-v3 it seems that 32bit multilibs are built anyway, also in stage2: [gcc-build]$ ls prev-x86_64-pc-linux-gnu/32/ libgcc libgomp libstdc++-v3 Uros.
