cannot run c compiled programs

iam in the way of making graphics using SDL.i copied from cd usign
mount -a /cdrom
cd /cdrom
cp SDL-1.2.11.tar.gz /usr/test
cd /usr/test
gunzip SDL-1.2.11.tar.gz
tar -xf SDL-1.2.11.tar
cd SDL-1.2.11
./configure
...
...
it stops at
checking whether the c compiler works...configure:error:cannnot run c compiled programs
if you meant to cross com[pile,use --host
see config.log

what to do now?it was working perfectly ..suddenly i dont what happen,please help me

re: cannot run c compiled programs

Hi there,

Was gcc upgraded recently? What version of Linux are you using currently? Good Luck & Take care.