On Tue, 2010-08-31 at 03:16 -0700, Andriy Sukhynyuk wrote: > Hi guys, > > I have been trying to build cross toolchain for Cortex-M0 (using MinGW/msys) > for quite a while with no success. > I tried to run configure with many different arguments. > Particularly I am interested to know why the following line is successful for > strongarm1110 build but if I change --with-cpu to --with-cpu=cortex-m0 the > build would fail with complaint"cannot compute suffix of object files". > > ../gcc-4.5.0/configure --target=arm-none-eabi --with-cpu=strongarm1110 > --build=i686-pc-mingw32 --host=i686-pc-mingw32 --prefix=/f/cross-gcc/4.5.0 > --disable-nls --disable-shared --disable-threads --with-gnu-gcc --with-gnu-ld > --with-gnu-as --with-dwarf2 --enable-languages=c,c++ --disable-interwork > --disable-multilib --with-gmp=/f/cross-gcc/4.5.0 --with-mpfr=/f/cross-gcc/4.5.0 > > --with-mpc=/f/cross-gcc/4.5.0 --with-newlib > --with-headers=../../newlib-1.18.0/newlib-1.18.0/newlib/libc/include > --disable-libssp --disable-libstdcxx-pch --disable-libmudflap --disable-libgomp > Cortex-m0 is a thumb-only core. You may also need to add --with-mode=thumb as well.