Re: Building Lua 5.3 from Lua.org on FreeBSD

[Russell Haley <russ.haley@...>]

On Wed, Jul 26, 2017 at 7:47 AM, Russell Haley <russ.haley@gmail.com> wrote:
> On Wed, Jul 26, 2017 at 4:24 AM, Luiz Henrique de Figueiredo
> <lhf@tecgraf.puc-rio.br> wrote:
>>> My make skills are weak and there may be a sexier way to do this, but
>>> the link below is the minimum change required to build Lua on FreeBSD.
>>> I threw in LUA_USE_POSIX and it didn't visibly change the build (tee
>>> hee, that's funny).
>>>
>>> http://termbin.com/geo9
>>
>> I'd just use SYSCFLAGS and SYSCFLAGS. And you need to use LUA_USE_LINUX
>> if you want dynamic libraries and LUA_USE_READLINE if you want readline
>> support:
>>
>> freebsd:
>>         $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX -I/usr/local/include" SYSLIBS="-L/usr/local/lib -Wl,-E -lreadline" CC=cc
>>
>> The question remains whether you need to add "-ldl" to SYSLIBS. The bsd
>> target does not include "-ldl" and so I guess the same applies to freebsd.
>>
>> Note that LUA_USE_LINUX only does this in luaconf.h:
>>
>> #if defined(LUA_USE_LINUX)
>> #define LUA_USE_POSIX
>> #define LUA_USE_DLOPEN          /* needs an extra library: -ldl */
>> #define LUA_USE_READLINE        /* needs some extra libraries */
>> #endif
>>
>> There is nothing really specific about Linux here.
>
> Sorry, I'm doing too many things and clipping details by mistake. This
> define points out something that didn't come up last night. If -ldl is
> used I get a compiler error (I'm not on FBSD this morning). I don't
> see it in the tarball Makefile so I wonder out loud if this is
> something that is different in the git Makefile (and hence why it
> didn't come up last night when modifying the tarball)? In the past I
> have used the git head revision and built with LUA_USE_LINUX and
> removed the -ldl flag. I'll have to do more research on what -ldl does
> and what is meant by dynamic libraries in this context, and if it's
> applicable to FreeBSD.   :)
>
> Just an FYI I'm also discussions with the current FreeBSD Lua53 port
> maintainer to take over maintainership as he doesn't use FreeBSD at
> work anymore and isn't comfortable patching Lua. While the bug list
> for lua 5.3.4 is daunting (wink), my love for the language has
> overwhelmed my better judgement.

Oh, and I did test the current patch last night and it builds and
returns the expected result.

Anyone who has concerns about this
> please shoot me an email, scream "NOOOOO!" on the mailing list, or
> forever hold your peace (or at least until 5.4 comes out).
>
> Regards,
> Russ