#20821: OpenWrt Lua patches break standard Lua runtime compatibility
----------------------+--------------------------------
Reporter: alex@… | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: packages | Version: Chaos Calmer 15.05
Keywords: |
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I was trying to get luarocks working. With some help from #lua channel on
freenode (and other places), I was able to deduce that one of the OpenWrt
patches for Lua breaks it.
OpenWrt Lua:
{{{#!bash
# lua -e 'mt={__lt=print}; print(setmetatable({}, mt) < setmetatable({},
mt))'
lua: (command line):1: attempt to compare two table values
stack traceback:
(command line):1: in main chunk
[C]: ?
}}}
Normal Lua:
{{{#!bash
$ lua -e 'mt={__lt=print}; print(setmetatable({}, mt) < setmetatable({},
mt))'
table: 0x60c270 table: 0x60c430
false
}}}
The patch which might be causing it is '010-lua-5.1.3-lnum-
full-260308.patch'.
I removed a number of those patches (as well as applying various other
fixes) and was able to get luarocks to work finally. Still, this
particular problem lies in the base OpenWrt Lua runtime, not with
luarocks. Language related stuff in OpenWrt Lua runtime should not differ
from standard Lua runtime otherwise bad things will happen.
You can reproduce this problem by using 15.05 release x86 image and the
above code.
--
Ticket URL: <https://dev.openwrt.org/ticket/20821>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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