Re: PL/perl should fail on configure, not make

* Christoph Berg wrote:

> Re: Tom Lane 2013-01-09 <9802.1357702675@sss.pgh.pa.us>

>> and Python.h.  However, adding one won't fix your problem on
>> Debian-based distros, because for some wacko reason they put the
>> headers and the shlib .so symlink in different packages, cf
>> http://packages.debian.org/squeeze/amd64/perl/filelist
>> http://packages.debian.org/squeeze/amd64/libperl-dev/filelist
>> I am unfamiliar with a good reason for doing that.  (I can certainly
>> see segregating the .a static library, or even not shipping it at
>> all, but what's it save to leave out the .so symlink?)
>
> Because the .so symlink is only needed at build time. At runtime, you
> need the .so.5.14 file. Hence .so.* -> $pkg, .h .a .so -> $pkg-dev.

That was Tom's point, I believe -- Debian does not do it that way.

- perl-base has /usr/lib/libperl.so.5.etc
- perl has the headers and a dependency on perl-base
- libperl-dev has the symlink /usr/lib/libperl.so > libperl.so.5.etc

So by installing "perl", you get enough to satisfy configure, but there 
is still no usable -lperl.

-- 
Christian