after nearly 3 hours building process, it failed finally. the error message is shown as follows: libtool: compile: /root/dsk/upload/gcc-4.4.3/host-i686-pc-linux-gnu/gcc/xgcc -B/root/dsk/upload/gcc-4.4.3/host-i686-pc-linux-gnu/gcc/ -B/tools//i686-pc-linux-gnu/bin/ -B/tools//i686-pc-linux-gnu/lib/ -isystem /tools//i686-pc-linux-gnu/include -isystem /tools//i686-pc-linux-gnu/sys-include -DHAVE_CONFIG_H -I. -I../.././libgfortran -I. -iquote../.././libgfortran/io -I../.././libgfortran/../gcc -I../.././libgfortran/../gcc/config -I../../host-i686-pc-linux-gnu/gcc -D_GNU_SOURCE -std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wextra -Wwrite-strings -fcx-fortran-rules -g -O2 -MT unix.lo -MD -MP -MF .deps/unix.Tpo -c ../.././libgfortran/io/unix.c -fPIC -DPIC -o .libs/unix.o /tmp/cctY54rM.s: Assembler messages: /tmp/cctY54rM.s:5535: Error: symbol `fstatat64' is already defined // what's wrong? /tmp/cctY54rM.s:5576: Error: symbol `fstat64' is already defined /tmp/cctY54rM.s:5613: Error: symbol `lstat64' is already defined /tmp/cctY54rM.s:5650: Error: symbol `stat64' is already defined My build environment: Centos 5.3 , gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-44) -- View this message in context: http://old.nabble.com/Failed-to-build-gcc-4.4.3%2C-what%27s-wrong-tp27633615p27633615.html Sent from the gcc - Help mailing list archive at Nabble.com.