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[root@localhost gcc-3.3.4]# ./configure
Configuring for a i686-pc-linux-gnuoldld host.
Created "Makefile" in /home/hyz/gcc-3.3.4 using "mt-frag"
./configure: line 8: cc: command not found
*** The command 'cc -o conftest -g conftest.c' failed.
*** You must set the environment variable CC to a working compiler
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这是怎么回事啊?