Thanks for your help. Maybe someone make a soft link /lib64/libc.so. I compiled gcc with the following step 1) cd gcc-4.8.1 2) mkdir build 3) cd build 4)../configure --build=x86_64-redhat-linux --prefix=/usr/local/gcc-4.8.1 --enable-FEATURE=yes --with-gmp=/usr/local/gmp-4.3.2 --with-mpfr=/usr/local/mpfr-2.4.2 --with-mpc=/usr/local/mpc-0.8.1/ --enable-languages=c,c++ --disable-multilib 5) make GHui ------------------ Original ------------------ From: "Andrew Haley";<aph@xxxxxxxxxx>; Date: Tue, Oct 22, 2013 06:25 PM To: "GHui"<ugiwgh@xxxxxxxxx>; Cc: "gcc-help"<gcc-help@xxxxxxxxxxx>; Subject: Re: Problem with gcc-4.8.2 compile On 10/22/2013 11:22 AM, Andrew Haley wrote: > On 10/22/2013 10:29 AM, GHui wrote: >> Thanks for you help. >> I have installed gcc-4.4.4-13.el6.x86_64. >> I compiled it under the Red Hat Enterprise Linux Server release 6.0. >> It seems to find libc.so in /lib64, but it should in /usr/lib64, because of /usr/lib64/libc_nonshared.a. >> I don't known how to change the linker to open /usr/lib64/libc.so. > > Please don't top-post on gcc-help. > > I'll try it now myself and see what happens. Please tell us your configure and make lines. Andrew.