On 1 May 2013 02:11, Sean Conner <[email protected]> wrote:
> It was thus said that the Great Hisham once stated:
>> On 30 April 2013 00:01, Sean Conner <[email protected]> wrote:
>> >
>> > I'm afraid I'm the only one that wants this, but I would really love the
>> > ability to specify C99 when compiling Lua modules. All the Lua modules
>> > I've
>> > written in C use C99 features (some more, some less). I rationalize this
>> > because
>> >
>> > 1. C99 is now fourteen years old
>> > 2. I started with C89 in 1991! I think I can safely use a standard
>> > that is fourteen years old by now! [3]
>> >
>> > But unfortunately, the supoprt for C99 in Luarocks is ... possible, but
>> > it
>> > still has issues.
>>
>> I hear you, and C99 support was an unfortunate omission in the
>> rockspec format. It will certainly be fixed in the future. In the
>> meantime, there's an ugly gcc-specific hack that works:
>>
>> defines = { "dummy -std=c99" }
>>
>> This expands to `-Ddummy -std=c99` in the compilation lines and does
>> what you expect...
>
> I hate to say that it didn't work.
It didn't? I just tested it here and it seems to pass the flag. Just
to be clear, this 'defines' table is supposed to be inside each
module's entry in a builtin-type build section, like this:
build = {
type = "builtin",
modules = {
foo = {
sources = { "foo.c" },
defines = { "dummy -std=c99" },
},
re = "re.lua"
}
}
Running that, I get the following line here:
gcc -O2 -fPIC -I/Programs/Lua/Current/include -c foo.c -o foo.o -Ddummy -std=c99
-- Hisham
http://hisham.hm/
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