https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100787
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> --- I have [hjl@gnu-skx-1 gcc-32bit]$ ls /usr/local32/bin addr2line as dwp gprof ld.bfd nm objdump readelf strings ar c++filt elfedit ld ld.gold objcopy ranlib size strip [hjl@gnu-skx-1 gcc-32bit]$ and PATH:=/usr/local32/bin:$(PATH) in Makefile. I can bootstrap i686-linux gcc with $ CC="cc -m32 -fno-lto" CXX="g++ -m32 -fno-lto" RUNTESTFLAGS="--target_board='unix'" /export/gnu/import/git/sources/gcc/configure --enable-cet --with-demangler-in-ld i686-linux --prefix=/usr/gcc-11.0.0-32bit --with-local-prefix=/usr/local --enable-gnu-indirect-function --enable-clocale=gnu --with-system-zlib --with-target-system-zlib --with-fpmath=sse on Linux/x86-64.