(Fwd) gethostbyname bug on old kernel

[com2666]

------- Forwarded message follows -------
From:                   Paolo Patruno <address@hidden>
To:                     <address@hidden>
Subject:                gethostbyname and old kernel compatibility
Send reply to:          address@hidden
Date sent:              Thu, 9 Aug 2001 19:41:12 +0200

My goal is to create static executable program for a large linux
kernel versions.

To compile I use this ambient:

glibc 2.2.3
kernel and kernel include 2.4.5
gcc 2.95.3
(patched Red Had distribution 7.0)

glibc library created by:
./configure --prefix=/usr/local/glibc --enable-kernel=2.0.30
  --disable-sanity-checks

and to create the executable:

compile with glibc-devel-2.2-12 include file from red hat

link static with *.a library from new glibc:
gcc -static -o xxxx  xxxxx xxxxx /usr/local/glibc/lib/*.a


gethostbyname on the same machine works fine but
in an old linux kernel 2.0.34 return a null pointer.
Other program compiled on the machine with kernel 2.0.34 and libc5
works fine with gethostbyname.

I have tried some packet:

rsync
mailfilter


Thanks

Paolo Patruno
------- End of forwarded message -------

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