From: Eric Hodel <drbrain@...7.net>
Date: 2009-07-24T07:26:00+09:00
Subject: Re: Again, Zlib load error on HP-UX

On Jul 22, 2009, at 23:14, Denis Berezhnoy wrote:

> Hi guys,
>
> I run into the same problem which was widely discussed. When I tried  
> to
> install ruby gems I got the following:
>
> # ruby setup.rb
> ./lib/rubygems/spec_fetcher.rb:1:in `require': no such file to load --
> zlib (LoadError)
>        from ./lib/rubygems/spec_fetcher.rb:1
>
> I googled a lot of solutions but could not manage to make them working
> so far.  First of all I looked for zlib. It seems to be installed. At
> least here what I have:
>
> # zlib                                  1.2.3          zlib
> # zlib.zlib-RUN
>  zlib.zlib-RUN: /usr/local/doc/zlib/ChangeLog
>  zlib.zlib-RUN: /usr/local/doc/zlib/HPUX.Install
>  zlib.zlib-RUN: /usr/local/doc/zlib/README
>  zlib.zlib-RUN: /usr/local/include/zconf.h
>  zlib.zlib-RUN: /usr/local/include/zlib.h
>  zlib.zlib-RUN: /usr/local/lib/hpux32/libz.a
>  zlib.zlib-RUN: /usr/local/lib/hpux32/libz.so
>  zlib.zlib-RUN: /usr/local/man/man3/zlib.3
>
>
> Then I tried to rebuild Ruby:
>
> ./configure --prefix=/usr/local --with-zlib-include=/usr/local/include
> --with-zlib-lib=/usr/local/lib/hpux32
>
> make
> ...
> compiling tk/tkutil
> compiling win32ole
> compiling zlib
> making ruby
> make[1]: Entering directory `/home/denisb/tmp/atf_ruby/ruby-1.8.7-p22'
> gcc -g -O2    -DRUBY_EXPORT  -L.  -Wl,-E   main.o  -lruby-static -ldld
> -ldl -lm   -o ruby
> make[1]: Leaving directory `/home/denisb/tmp/atf_ruby/ruby-1.8.7-p22'
>
>
> I checked /ext/zlib no compiled lib there.  Tried to compile zlib  
> here:
>
> #  ruby extconf.rb --with-zlib-include=/usr/local/include
> --with-zlib-lib=/usr/local/lib/hpux32
> checking for deflateReset() in -lz... no
> checking for deflateReset() in -llibz... no
> checking for deflateReset() in -lzlib1... no
> checking for deflateReset() in -lzlib... no
> checking for deflateReset() in -lzdll... no
> #
>
> I run out of idea what I can try else.

What's the output of ext/zlib/mkmf.log

What's the output when you just run extconf.rb?

Do you get a different result when you use miniruby like the Makefile  
does?