Dear All I am trying to build gcc-4.3.2 (native) on i486(32bit cpu) running Debian 4.1.1-21. Target: i486-linux-gnu gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21) Create build dir: $ mkdir /home/xiaoling/x86-work/build/gcc-4.3.2-build $ cd /home/xiaoling/x86-work/build/gcc-4.3.2-build Ran configure: $ /home/xiaoling/x86-work/src/gcc-4.3.2/configure --prefix=/home/xiaoling/x86-work/install --with-gmp=/home/xiaoling/x86-work/install --with-mpfr=/home/xiaoling/x86-work/install --enable-languages=c,c++ LD_LIBRARY_PATH=/home/xiaoling/x86-work/install/lib --enable-shared Completed OK. Run make, report error as following: $ make Checking multilib configuration for libgcc... Configuring stage 1 in i486-linux-gnu/libgcc configure: creating cache ./config.cache checking for --enable-version-specific-runtime-libs... no checking for a BSD-compatible install... /usr/bin/install -c checking for gawk... gawk checking build system type... i486-pc-linux-gnu checking host system type... i486-pc-linux-gnu checking for i486-linux-gnu-ar... ar checking for i486-linux-gnu-lipo... lipo checking for i486-linux-gnu-nm... /home/xiaoling/x86-work/build/gcc-4.3.2-build/./gcc/nm checking for i486-linux-gnu-ranlib... ranlib checking for i486-linux-gnu-strip... strip checking whether ln -s works... yes checking for i486-linux-gnu-gcc... /home/xiaoling/x86-work/build/gcc-4.3.2-build/./gcc/xgcc -B/home/xiaoling/x86-work/build/gcc-4.3.2-build/./gcc/ -B/home/xiaoling/x86-work/install/i486-linux-gnu/bin/ -B/home/xiaoling/x86-work/install/i486-linux-gnu/lib/ -isystem /home/xiaoling/x86-work/install/i486-linux-gnu/include -isystem /home/xiaoling/x86-work/install/i486-linux-gnu/sys-include checking for suffix of object files... configure: error: cannot compute suffix of object files: cannot compile See `config.log' for more details. make[2]: *** [configure-stage1-target-libgcc] Error 1 I can should the lib & include files of gmp & mpfr are in /home/xiaoling/x86-work/install Is there any ideas for above failing? With our best regards xiaoling.chen