Message-ID: <f87b2d08-e88e-4ef5-bac5-20eee7cf50a1@gmail.com>
Date: Fri, 6 Feb 2026 23:40:00 +0000
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Subject: Re: Linker not finding library
To: Stefano Cossu <stefano@cossu.cc>, ~alpine/users@lists.alpinelinux.org
References: <6ee42c20-2936-4655-ba61-608902f5e837@cossu.cc>
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 <55ea288f-e220-48e6-9308-9d2d46a6a541@cossu.cc>
 <afc182bb-fc58-4219-a023-9ab3f7eba7da@gmail.com>
 <c3cd5dc8-4535-4294-9a51-f40b77355e4c@cossu.cc>
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From: Naomi Rennie-Waldock <naomi.renniewaldock@gmail.com>
In-Reply-To: <c3cd5dc8-4535-4294-9a51-f40b77355e4c@cossu.cc>
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On 06/02/2026 23:30, Stefano Cossu wrote:
> Oops, sorry. OK, now it compiles and runs, so back to Lua: I'm not 
> familiar with lazy bindings. Is that a compilation option? Meaning, if 
> I recompile Lua with default Musl options, would it behave correctly? 
> In that case, I wonder why the Alpine package comes with lazy 
> bindings. Or is there something else?
>
> Thanks,
> s
>

It's just a design difference between glibc and musl. ldd will probably 
give "symbol not found" for libs that are loaded by something else as 
plugins (PHP extensions do the same thing), but it will otherwise still 
function correctly. The sample from the lua-linotify readme works 
correctly, despite ldd's errors:

~ # cat test.lua
local inotify = require 'inotify'
local handle = inotify.init()

-- Watch for new files and renames
local wd = handle:addwatch('/root', inotify.IN_CREATE, inotify.IN_MOVE)

local events = handle:read()

for _, ev in ipairs(events) do
     print(ev.name .. ' was created or renamed')
end

-- Done automatically on close, I think, but kept to be thorough
handle:rmwatch(wd)

handle:close()
~ # lua5.4 test.lua &
~ # touch a
a was created or renamed


If you really do need to run ldd on lua libs, you can make it preload 
lua to quiet the errors:

~ # LD_PRELOAD=/usr/lib/lua5.4/liblua.so ldd /usr/lib/lua/5.4/inotify.so
         /lib/ld-musl-x86_64.so.1 (0x7fd156f35000)
         /usr/lib/lua5.4/liblua.so => /usr/lib/lua5.4/liblua.so 
(0x7fd156ef2000)
         libc.musl-x86_64.so.1 => /lib/ld-musl-x86_64.so.1 (0x7fd156f35000)