What's wrong with glibc-devel-2.2

YodaWu (yoda(at)cef(dot)org(dot)tw) reports a bug with a severity of 2
The lower the number the more severe it is.

Short Description
What's wrong with glibc-devel-2.2

Long Description
This afternoon I download postgresql-7.1.tar.gz.
After I extract this tarball,enter ./configure command to config this
server.
It was always blocked at the procedure of checking accept() function.
After 5 hours of struggling I finally know the trouble source.
The version of my glibc is 2.2,but seems postgresql based on glibc 2.1.
So are there any plans of using glibc v2.2 ?
Or I just only change source code of glibc from v2.2 to v2.1 ?
It seems that glibc v2.2 is not compatible with v2.1 ,is it ?
My English is very poor,thank you for finish reading. :)

Sample Code

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