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Re: [PATCH 2/5] gnu: Build lua-5.2 with dynamic library support.


From: Leo Famulari
Subject: Re: [PATCH 2/5] gnu: Build lua-5.2 with dynamic library support.
Date: Mon, 14 Dec 2015 01:23:41 -0500
User-agent: Mutt/1.5.24 (2015-08-30)

On Sun, Nov 08, 2015 at 10:08:23PM +0100, Ludovic Courtès wrote:
> Leo Famulari <address@hidden> skribis:
> 
> > * gnu/packages/lua.scm (lua-5.2)[arguments]: Rewrite make-flags so that
> >   Lua is built with platform-specific instructions for shared library
> >   loading (dlopen).
> 
> Please move the explanations as a comment in the code.

Done. Updated patches forthcoming...

> 
> >         #:phases (alist-replace
> >                   'build
> > -                 (lambda _ (zero? (system* "make" "CFLAGS=-fPIC" "linux")))
> > +                 (lambda _ (zero? (system* "make"
> > +                                           "PLAT=linux"
> > +                                           "MYCFLAGS=-fPIC"
> > +                                           "MYLDFLAGS=-fPIC")))
> 
> How can I test whether this works as expected?  I tried this, but I’m
> unsure whether it’s supposed to load OpenSSL’s libssl.so directly or
> not:
> 
> --8<---------------cut here---------------start------------->8---
> $ ./pre-inst-env guix environment --ad-hoc lua-5.2 openssl 
> [env]$ echo $PATH
> /gnu/store/zmqhwsl9vvxr4ihdnhwwpc3dpgmpsgsy-openssl-1.0.2d/bin:/gnu/store/9wmsrx7s9ydln5vgddms3cfavaiigwq2-lua-5.2.3/bin:/home/ludo/src/guix/scripts:/home/ludo/src/guix:/home/ludo/soft/bin:/home/ludo/.opam/system/bin:/home/ludo/.guix-profile/bin:/home/ludo/.guix-profile/sbin:/run/setuid-programs:/run/current-system/profile/bin:/run/current-system/profile/sbin
> [env]$ export 
> LD_LIBRARY_PATH=/gnu/store/zmqhwsl9vvxr4ihdnhwwpc3dpgmpsgsy-openssl-1.0.2d/lib
> [env]$ lua -lssl
> lua: module 'ssl' not found:
>       no field package.preload['ssl']
>       no file '/usr/local/share/lua/5.2/ssl.lua'
>       no file '/usr/local/share/lua/5.2/ssl/init.lua'
>       no file '/usr/local/lib/lua/5.2/ssl.lua'
>       no file '/usr/local/lib/lua/5.2/ssl/init.lua'
>       no file './ssl.lua'
>       no file '/usr/local/lib/lua/5.2/ssl.so'
>       no file '/usr/local/lib/lua/5.2/loadall.so'
>       no file './ssl.so'
> stack traceback:
>       [C]: in function 'require'
>       [C]: in ?
> --8<---------------cut here---------------end--------------->8---
> 
> Apologies in advance if I’m just asking stupid questions!
> 
> Besides, it would be nice to get rid of these hard-coded /usr/local in a
> subsequent patch.
> 
> Ludo’.



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