Perl 6 - the future is here, just unevenly distributed

IRC log for #openframeworks, 2013-11-25

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09:52 igorline hey! someone remembers the guy who is making projects emulating different brushes techniques, i think on an ipad?
09:52 igorline i think he is japanese
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18:00 fossterer Hi! anyone here? I need help with this eror -- "/addons/ofxControlPanel/src/guiBaseObject.h:235:45: error: 'glColor4fv' was not declared in this scope"
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18:41 fossterer Hi ! Is the openframeworks mailing list operational?
18:42 admsyn there's two, the mailing list and the dev list
18:42 admsyn they're both functional but the mailing list is pretty infrequent
18:43 pizthewiz The forum is pretty active though
18:49 admsyn it's probably not a great idea to post a "help me" question to the dev list, if that's why you're asking
18:49 fossterer hmm... Anyone does C++ in eclipse, here? I'm getting this error -- "../../../addons/ofxStructuredLight/src/GrayCodeGenerator.cpp:27:41: error: 'log2' was not declared in this scope"
18:50 fossterer I assume i should pass compiler options. am i right?
18:51 admsyn no it seems more like you're not pulling in a header that you should be, or the code is written in a non-portable way that's depending on something your system doesn't have
18:53 fossterer non-portable way.. ok.. 'log2' is an ISO standardised C++ function.. why shouldn't it work? Could be this be due  to Android?
18:54 admsyn I think that's pretty safe bet
18:54 admsyn though I'd be pretty curious what it is you're doing on Android with a structured light addon :)
18:56 admsyn I'm sure there's some sort of equivalent for log2 on android if it's not in there for some reason
18:56 fossterer Curious?! It is a face recognition project..
18:57 admsyn as in I'm curious because it sounds cool :)
18:57 fossterer ***Glad***
18:57 admsyn try -> http://stackoverflow.com/questions/758001/log2-not-found-in-my-math-h
18:57 fossterer So you mean Android ndk must have an alternastive for 'log2'?
18:58 fossterer yreah.. saw that
18:58 fossterer but it used 'log' anyway.. which i'm guessing doesn't exist either... ok.. I'll try\
18:59 pizthewiz Is the current makefile system described anywhere? @backercp has mentioned some overhauling, but I'm just trying to wrap my head around how it all works to begin with.
19:00 admsyn pizthewiz: yeah I think it's on a branch / PR somewhere. It's had a bit of a weird migration path because IIRC it started life as just a thing for the rPI
19:01 admsyn https://github.com/openframeworks/openFrameworks/pull/2094
19:01 pizthewiz That is the overhaul right? What about the existing (Makefile, config.make, addons.make) for projects and (addon_config.mk) for addons?
19:02 pizthewiz Damn, that is one optimistic PR, so many subtasks!
19:02 admsyn haha
19:04 admsyn oh are you talking about the makefile system for compiling oF without an IDE dependency?
19:04 admsyn for some reason I was just thinking of addon_config.mk
19:04 admsyn I think jvcleave might know more about that?
19:06 pizthewiz Yeah sorry, I just meant the existing make stuff in v0.8.0, it sounds like @bakercp's PR cuts pretty deeply - just trying to sort out where all the settings get sourced from / how to subvert the automatic include path stuff and what not
19:06 fossterer @admsyn: I found an evidence!! http://stackoverflow.com/questions/11080118/does-android-support-log2
19:06 pizthewiz Addons with a Boost dependency don't seem to work super well :0)
19:07 admsyn pizthewiz: yeah I think a Boost dependency would definitely be pushing it to the limit :)
19:07 admsyn especially if we're talking about building Boost from source
19:08 pizthewiz It works just fine on OS X since I only need the parent directory to be in the header search path
19:08 admsyn fossterer: ah, there we go :) It shouldn't be hard to implement..see Alexandre C.'s comment on that post
19:08 pizthewiz Boost uses NAME.hpp files which I think is all source right
19:09 pizthewiz Yeah from source, ~8,600 files
19:09 admsyn pizthewiz: yeah it's like 95% header only IIRC?
19:09 admsyn I guess it sort of begs the question: do you really need *all* of boost? Surely that's some mega addon :p
19:10 * admsyn is joking, the makefile system shouldn't fall apart for boost
19:10 pizthewiz Exactly, I'm trying to figure out if it is a gcc vs clang thing, but first I'm trying to normalize what Make is building with
19:10 pizthewiz It seems like the exclusion stuff isn't working for me, though maybe addon_config.mk isn't used yet? Is that only metadata?
19:11 admsyn yes I think so
19:11 * pizthewiz remembers you told him last week, but can't remember the specifics
19:11 admsyn I'm not the most familiar with all of the makefile stuff, I really only dove in a week or two ago for that xcode plugin
19:11 pizthewiz Ahh ok, so I probably need to duplicate the exclusions in my example's config.make
19:11 admsyn I'd wager it's the sheer size of boost that's making your addon_config.mk not work
19:12 admsyn assuming "not work" = the PG hangs
19:12 pizthewiz Right now I'd be happy if my example just compiled on RPi, PG support would be a bonus :0)
19:13 admsyn oh I see
19:13 admsyn you mean compiling on the rPI itself, and not cross-compiling?
19:13 pizthewiz I'll tweak up my config.make to add some exclusions and see what I can find
19:13 admsyn I have a feeling that's impossible..the rPI struggles just to build oF and that's because of some not-insane ofColor templating
19:14 pizthewiz Yeah, I'm lazy and didn't create a VM and was just using a Rev B RPi - v0.8.0 works just fine for me on it and I went through jvcleave's CAN tutorials last week too
19:15 admsyn yeah, but I'd think Boost's TEMPLATE ALL THE THINGS AND THEN TEMPLATE THEM AGAIN design would totally explode the rPI :)
19:15 pizthewiz I think the ofColor compilation thing is just a watermark where the first revision RPi runs out of memory
19:15 admsyn vOv
19:15 pizthewiz Good point, I'm cool with a slow compile time if it means it compiles :0)
19:16 admsyn I think it's actually not possible though, not just "it'll be slow"..like the whole in-memory representation of some crazy super-nested templated whatever just doesn't fit on the rPI
19:16 admsyn or something
19:16 * admsyn is basically making stuff up
19:16 admsyn anyway that'd be my first guess :)
19:17 pizthewiz I'll give cross-compiling a look then… or ditch my addon :0)
19:17 admsyn this is the boost timeline thing?
19:17 admsyn * cinder timeline
19:18 pizthewiz Yeah, I was using Boost to inspect the amount of free diskspace in my project too for caching purposes, might need to reconsider that too
19:18 admsyn but yeah I'd think being able to A/B it with a cross-compile vs on rPI would narrow it down quite a bit
19:20 pizthewiz Thanks for the suggestions, I'll give that a shot
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