Re: tcpdump 4.0.0rc2 and libpcap 1.0.0rc2 now available

[Guy Harris <guy () alum mit edu>]

On Oct 16, 2008, at 1:06 AM, Guy Harris wrote:

> Note to Linux distributions and *BSD systems that include libpcap:
>
> 	There's now a rule to make a shared library, which should work on  
> Linux and *BSD (and OS X).
>
> 	It sets the soname of the library to "libpcap.so.1"; this is what  
> it should be, *NOT* libpcap.so.1.0 or libpcap.so.1.0.0 or something  
> such as that.

(Note to people building on OS X:

	The Makefile can build shared libraries on OS X, but it's not the  
same rule; the configure script figures out the suffix for the shared  
library, and there are different rules for ".so", which work with GCC  
and the GNU linker - but not with, say, Sun C or the Solaris linker -  
and for ".dylib", which works on OS X.

	OS X doesn't have an soname; instead, it has a "compatibility  
version", which we set to 1 - just as OS X does in its libpcap.

	Given that the current version string is "1.0.0rc2", and that gets  
used for the "current version", which has to be all-numeric other than  
the dots, the rule doesn't currently work, but will work in the final  
version.  I'll probably clean that up at some point to strip out non- 
numeric stuff.)
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