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Date: Tue, 11 Jan 2011 15:39:36 +0100
From: =?windows-1252?Q?Juraj_=8Aujan?= <sujan@sofy.sk>
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Subject: [alpine-devel] haserl on x86_64
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Hi everyone,

I tried x86_64 edge version of Alpine Linux (btw. thanks a lot for this=20
great distro!) on my home server and went into problems with ACF. I read=20
instructions on wiki, installed it and run mini_httpd, but in my browser=20
only this error message appeared:

Error passing the lua library to the lua vm: luascript.lua: bad header=20
in precompiled chunk

After much struggle I realised, that problem is in haserl package and=20
more specifically in lua chunk, which is inserted into haserl binary. In=20
haserl sources, there is a file called haserl_lualib.inc, precompiled=20
(probably) for x86 architecture, which is inserted into haserl as is,=20
not recompiled by automake process. Obviously, this could cause problems=20
on other architectures, such as x86_64.

After little searching I found a solution, looks like maintainer of=20
haserl knows about this (or similar) issue, because he has included some=20
hints into source files and Makefile. This is from Makefile:

haserl_lualib.inc : haserl_lualib.lua
         @echo '-----------------------------------------------------'
         @echo 'Whoops.   haserl_lualib.inc is old.  You will need'
         @echo 'to compile lua2c by hand, or help the maintainer'
         @echo 'get automake to do it for you.'
         @echo ''
         @echo 'For now, to compile lua2c:'
         @echo ''
         @echo 'gcc -I<luaheaderdir> -Wl,-E -L<lualibdir> -o lua2c=20
lua2c.c -llua -ldl -lm'
         @echo ''
         @echo ''
         @echo 'Then follow the instructions in lua2c.c to create a'
         @echo 'new haserl_lualib.inc'
         @echo ''
         @echo 'Sorry.'
         @echo '-----------------------------------------------------'
         @exit 1

So I inserted some lines into haserl APKBUILD:

         ./configure --prefix=3D/usr --with-lua || return 1

        # inserted lines for recompiling problematic file haserl_lualib.inc
        cd src
        gcc -I/usr/include -Wl,-E -L/usr/lib -o lua2c lua2c.c -llua -ldl -lm
        luac -s -o foo haserl_lualib.lua
        ./lua2c haserl_lualib foo >haserl_lualib.inc
        cd ..

         make || return 1

After recompilation and installation of new package, haserl and ACF now=20
works for me without any problem!

I don't know if anyone else has this issue, but I hope this will help=20
someone.

Kind regards,

Juraj =8Aujan



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