急急，为什么我编译PHP出现下列对话。不成功

hnyxwl_liufan

[root@kispblcs php]# ./configure
loading cache ./config.cache
checking for Cygwin environment... no
checking for mingw32 environment... no
checking for working sed... sed
checking host system type... i686-pc-linux-gnuoldld
checking for gcc... no
checking for cc... no
configure: error: no acceptable cc found in $PATH




[root@kispblcs gcc-3.2.2]# ./configure
Configuring for a i686-pc-linux-gnuoldld host.
Created "Makefile" in /root/gcc-3.2.2 using "mt-frag"
./configure: line 7: cc: command not found
*** The command 'cc -o conftest -g   conftest.c' failed.
*** You must set the environment variable CC to a working compiler.
请各位大侠指点迷经。 。。。。。。。。。

n0fe@r

安装gcc