On 2020-01-05 12:19 +0000, Winston Smith wrote: > > Winston Smith schrieb: > > > Hi All, > > > > > > > > > I've trying to build gcc-9.2.0 on a host with gcc-4.5.1, matching > > > versions of mpfr, gmp and mpc are symlinked into the top-level of the > > > tree. > > > > > > > > > This is my configure: > > > > > > > > > $ mkdir build > > > > > > $ cd build > > > > > > $ ../configure --prefix=/tmp/chroot-gcc/usr/ --enable-bootstrap > > > --with-glibc-version=2.12 --with-newlib --without-headers --disable-nls > > > --disable-shared --disable-multilib --disable-decimal-float > > > --disable-threads --disable-libatomic --disable-libgomp > > > --disable-libquadmath > > > --disable-libssp --disable-libvtv --disable-libstdcxx > > > --enable-languages=c,c++ With --disable-libstdcxx you can't bootstrap gcc, because stage 2 gcc has to link to stage 1 libstdc++. -- Xi Ruoyao <xry111@xxxxxxxxxxxxxxxx> School of Aerospace Science and Technology, Xidian University