Martijn van Oosterhout wrote:
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> On Wed, Dec 21, 2005 at 02:51:46PM -0500, Bruce Momjian wrote:
> > If you add a version number to the Win32 libpq name, you have to update
> > any command-line compile tools that mention libpq after an upgrade. The
> > Unix linker knows about version numbers, but the Win32 linker doesn't,
> > so adding version numbers does add quite a bit of chaos to the Win32
> > compile world.
>
> The funny thing about it is that the UNIX linker doesn't know about
> version numbers at all. It just looks for a lib<libname>.so (no
> version) which is symlinked to the actual version to use. Thus just by
> changing a few symlinks you can control which library version is linked
> in. Delete the .so and the linker won't find the library anymore (and
> fall back to the .a lib) though runtime users still will find it
> because they *do* have the version number, which is extracted from the
> library itself.
Yes, important distinction. Thanks for the clarification.
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
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