--- Log opened Wed Nov 17 00:00:16 2010
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00:10 < enferex> I want to loop on all the lines in a file, I want to test
my err condition that retrns from ReadString().  Of course: "for line, err :=
input.ReadString('\n')" is not a valid condition.  Is there some other idiom that
I can use that I amnot aware of.  I dont want to "break" out of the loop.  I want
it to terminate on the condition.
00:11 < uriel> what is the difference between "break" and "terminate"?
00:11 < enferex> I was hoping to do something more like the traditional
read()
00:11 < uriel> and I think what you want is line, err := ...; err != nil;
...
00:11 < enferex> uriel: yes
00:12 < enferex> yup
00:12 < enferex> thanks
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01:03 < enferex> uriel: Oddly, my condition is not even executing the loop.
"for line, err := input.ReadString('\n'); err!=nil; { ...  }
01:04 < skelterjohn> you probably want "for l, e := input.ReadString('\n');
e!=nil; l, e = input.ReadString('\n') { ...  }
01:04 < skelterjohn> otherwise you will only readstring once, at the
beginning
01:04 < enferex> if I do "for { line, err := input.ReadLine('\n'); if err !=
nil { break; } }" it works fine
01:04 < enferex> yeah
01:04 < enferex> ok that makes sense
01:05 < skelterjohn> the way you just said is probably a nicer way to write
it, though
01:05 < skelterjohn> no reason to have the same piece of code in two spots
if you can help it
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01:05 < enferex> skelterjohn: yeah
01:06 < skelterjohn> note: you don't need the semicolon after "break"
01:06 < enferex> yup
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01:44 < enferex> Odd, I have a string "42" and when I convert it to an int
via strconv.Atoi() I get an error: ": invalid argument" as if the newline
character was not ignored
01:45 < cbeck> It isn't
01:46 < cbeck> Need to strings.TrimSpace() or the like first
01:46 < enferex> yup
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03:12 < enferex> Hmm, I just want to run the set of benchmarks and using
"gomake bench" is not performing this.  I see the bench target in Make.pkg
03:13 < |Craig|> enferex: I think you pass a bench flag to gotest or
something like that.  I havent done it though, I just saw in in the docs a few
days ago
03:14 < enferex> yeah but it requires a makefile
03:14 < enferex> |Craig|: I figured there would already be a benchmark
makefile for the gotest tool
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06:10 < matti___> where can i find what '%02x' means for the following line?
06:10 < matti___> fmt.Sprintf("%02x", hash.Sum())
06:11 < |Craig|> matti___: its one of those crazy formatting strings that
says how to format the number as text, but I don't know how to find out what that
particular one means
06:12 <+iant> matti___: http://golang.org/pkg/fmt/
06:13 < matti___> iant: thanks
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06:28 < TheSeeker> hmmm
http://wiki.netbeans.org/How_to_create_support_for_a_new_language
06:28 < TheSeeker> I guess if nobody else is going to do it...
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07:15 < TheSeeker> ah, looks like someone's already on it.
https://code.launchpad.net/nutbean
07:16 < |Craig|> I think I've found a case where I really would like some
kind of generics in Go. I've got a design for an unordered collection optimized
for sequential memory access (meaning fast fetches when iterating), adding and
removing items, but I can't implement it for arbitrary types.
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07:43 < TheSeeker> launchpad uses ...  bazaar?  what's that?  :| yet another
@#%!  dcvs?
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07:52 < cbeck> A really slow one, at that
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08:02 < drd> easy way to write []uint16 to stdout?
08:05 < drd> eg, some way to cast to []byte?
08:08 < TheSeeker> string(uint16[:]) doesn't work I take it?
08:08 < Namegduf> What would you mean by such a cast?
08:08 < drd> Namegduf, i'm trying to write the array to stdout as binary
data
08:09 < Namegduf> In general, writing arbitrary data to stdout requires
unsafe, because it is.
08:10 < Namegduf> Such data will not be portable across architectures.
08:10 < drd> Namegduf, true
08:10 < Namegduf> You will need to use that.
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08:10 < Namegduf> And be aware, from being made to use that, that what
you're doing is non-portable.
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08:11 < drd> Namegduf: fair
08:12 < krutcha> does the go compiler accept global defines via -D or
something similar?
08:12 < TheSeeker> hmm, I was using fmt.Print(string(buf[:len-1])) to echo
packets sent to my test program to the screen (-1 to skip the newline netcat sends
too) ...  that didn't require unsafe.
08:12 < Namegduf> No, it does not.
08:12 < Namegduf> TheSeeker: Was buf uint8 or uint16?
08:13 < Namegduf> uint8 == byte == directly convertable to string, safely.
08:13 < TheSeeker> ah
08:13 < TheSeeker> that makes sense.
08:14 < Namegduf> uint8, specifically, doesn't have the endian and "what
precisely do you mean by that; interpret as Unicode characters or as pairs of
bytes issues.
08:14 < drd> woo,
os.Stdout.Write(*(*[]uint8)(unsafe.Pointer(&buffer[currBuffer])));
08:14 < drd> Go wants you to know what you're doing is considered ugly :)
08:14 < TheSeeker> though, not sure why []uint16 to string wouldn't be just
as safe.
08:14 < Namegduf> Because it isn't portable.
08:14 -!- Netsplit *.net <-> *.split quits: brighteyed
08:14 < Namegduf> Or, rather, writing it out directly isn't portable.
08:14 < TheSeeker> oh, right, endieness
08:14 < Namegduf> Endianness.
08:14 < Namegduf> You could impose a fixed interpretation, as int has.
08:14 < TheSeeker> ianieniandian
08:15 < Namegduf> int is always interpreted as a character, not as arbitrary
data.
08:15 < Namegduf> You could do the same with uint16, hypothetically.
08:15 < Namegduf> It would not be printing the same thing, though.
08:15 < |Craig|> I wonder if I can get a sort of generic collection by
symlinking a source file into a bunch of identically named packages in different
directories which also contain a config source file that defines a structure that
contains the type I want my collection to hold, and any other needed config
constants.
08:16 < Namegduf> |Craig|: Compile-time code generation is quite possible,
although I don't know that I'd do it that way.
08:16 < Namegduf> You could just use gofmt
08:17 < Namegduf> Take vector.go and generate vector-int.go and friends from
it by search-and-replacing the type in the base vector with the desired type.
08:17 < Namegduf> drd: Go wants where things are unsafe to be obvious, so
they're easily managed and observed in future development.
08:17 < Namegduf> Explicit casts and unsafe, I like it myself.
08:19 < TheSeeker> So you can search for "unsafe" in all the public code,
and see what kinds of things should be made safe to clean up the most mess ? :)
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08:20 < |Craig|> Namegduf: what I implemented is basically an unordered
vector with different optimization priorities.  I don't think I can use casts as
the whole point of my structure it to avoid randomly placed in memory allocation
by actually placing the items in an array (not pointers in an array)
08:20 < |Craig|> its a linked list of arrays acting as a unordered
collection
08:21 < Namegduf> |Craig|: Not casts.
08:21 < Namegduf> gofmt can search and replace one thing with another.
08:21 < Namegduf> And save the result as another file.
08:21 < |Craig|> Namegduf: yes, I know
08:21 < |Craig|> I was just commenting on your "Explicit casts and unsafe, I
like it myself."
08:22 < Namegduf> That had nothing to do with your usecase.
08:22 < Namegduf> Not being able to use casts at all has no connection to
implicit vs explicit casts where they are used, I mean.
08:23 < |Craig|> I auctually could make it using unsafe and casts I guess by
basically using void* for pointing to my arrays
08:23 < |Craig|> interface {}
08:24 < drd> Namegduf: i don't mind it, i'm just not used to it as much.  in
fact i quite like go
08:24 < |Craig|> Add and remove would have to take the empty interface
though, would prabably be a speed hit.  using gofmt to gen code is prabably better
08:25 < Namegduf> It isn't generics, but it works in a pinch.
08:25 < Namegduf> Not too bad if the average project can restrain the amount
of custom data structures it implements to a small percentage of its code, too.
08:27 < |Craig|> I think my custom data structure could be rather handy for
anyone who wants high performance iteration over collections to which they add and
remove stuff somewhat often.
08:29 < |Craig|> I wonder if it will actually benefit me at all though.  I
just made it because it seemed cool
08:30 < TheSeeker> Is it a package available on godashboard?
08:31 < |Craig|> nah, I just wrote it now, I havent even run it.  I'm in
design mode.
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08:32 < |Craig|> The very first code written for my Go MMO server project
(Because I need another project I won't finish)
08:32 < TheSeeker> ok, speaking in past tense made me think you had finished
something :)
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08:33 < TheSeeker> kindof like my very first code written for a go
implementation of Freenet that will probably never get anywhere ...  except mine's
hardly more complex than 'hello world' over udp, and still fails x_x
08:34 < |Craig|> well, it compiles at least.  http://dpaste.com/276305/
08:35 < |Craig|> I roughed out my data sync model for the client today too.
Python Client with Panda3D+Go Server :)
08:35 < TheSeeker> python :(
08:35 < |Craig|> python is awesome :)
08:35 < TheSeeker> write it in go :)
08:36 < |Craig|> nah, Panda3D has great python bindings, and I don't need
the performance
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08:38 < krutcha> does pkg net have any loopback facility for running basic
_tests through net.Conn?
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09:09 < nsf> I'm wondering why conditional expression is optional in Go's
grammar:
09:09 < nsf> IfStmt = "if" [ SimpleStmt ";" ] [ Expression ] Block [ "else"
Statement ] .
09:09 < nsf> shouldn't it be:
09:10 < nsf> IfStmt = "if" [ SimpleStmt ";" ] Expression Block [ "else"
Statement ] .
09:10 < nsf> I mean, that's the point of if statement..
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09:12 < nsf> spec says that missing condition is equivalent to true, but
what's the point, I don't get it
09:12 < nsf> :\
09:17 < mpl> I wonder where does this tendency for one to spill his
life/opinions on the go-nuts ML come from.  I rarely see ppl doing that on the
other MLs I'm following...
09:18 < nsf> go-nuts ML is a bit active lately, got 79 mails today
09:19 < nsf> mpl: I don't understand that either, people like to explain why
Go should be something else, but what's the point..  like someone cares..  if you
don't like it - it's opensource, Go and fork it
09:19 < nsf> :\
09:20 < mpl> "I like go because this or that" or "my great thoughts on go
are..." should go to a freaking blog, not to a technical ML.
09:20 < mpl> but yeah it's not like I can't ignore it.
09:20 < nsf> ah..  and that
09:20 < nsf> but it's less annoying
09:21 < nsf> I get annoyed more by people trying to fit Go into their needs
saying that it misses absolutely critical features, etc.
09:22 < mpl> I think the recurrent questions of newcomers who can't be arsed
to read one bit of documentation is what makes me cringe the most.  but that's
common to other MLs actually.
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09:22 < nsf> yeah, I got used to it
09:23 < Gertm> I hope Go stays as clean and small as it is now.  It's near
perfect for me.
09:23 < mpl> I can understand ppl proposing features when it's really well
thought and argumented and coming from someone with experience.  but every
newcomer proposing the same things all over again because it's in python or
whatever is a bit tiring.
09:24 < wrtp> nsf: i tend to agree with you about optional conditional
expression in an if
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seconds]
09:24 < Gertm> People need to learn the idioms before trying to change the
rules of the game.  I think a lot of them expect Go to be python with braces or
something.
09:25 < mpl> like the freaking generics argument.  ppl should read what's
been said about it previously, and only if they have something new to bring to the
discussion then bring the subject back up again.
09:25 < nsf> well, I have a lot of opinions about how Go should look like,
but I (as a developer) understand that talks are cheap, someone should implement
all these ideas and if I'm not ready to do it myself, then I'll better be silent
09:25 * wrtp thinks it's important that the arguments are reiterated - it's about
raising shared awareness of how the language works...  and is intended to work.
09:26 < mpl> nsf: totally agreed.
09:26 < wrtp> even though it's annoying too
09:26 < Gertm> wrtp: a good FAQ would help too :)
09:26 < wrtp> yeah, an FAQ that actually answered the questions that people
ask would be good
09:27 < mpl> wrtp: that's why there's documentation and google groups that
one can read back.
09:27 < mpl> I wonder how the core team actually gets any work done if they
actually read every single mail that goes through the ML.
09:27 < Gertm> yeah, I'm having troubles keeping up
09:28 < nsf> mpl: they don't read mail :D
09:28 < nsf> Rob Pike said that few times in his talks
09:29 < nsf> well, I mean you don't have to read mail every 30 minuts
09:29 < mpl> nsf: well, they answer often enough that they must read most of
it.
09:29 < nsf> once in a day is fine
09:30 < nsf> well, I don't know
09:30 < nsf> reading mail don't take too much time
09:30 < mpl> at least russ, iant and adg
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09:34 < nsf> wrtp: btw, non-recursive make still waits for you :)
09:34 < wrtp> nsf: go on then
09:34 < nsf> personally I've lost interest to that idea
09:34 < wrtp> why?
09:34 < nsf> but I don't know
09:34 < nsf> well, there are few bad sides
09:35 < wrtp> the idea of automatically transforming the standard makefiles,
or non-recursive make in general?
09:35 < nsf> and giving the fact that go compiles very fast, the good sides
aren't that good
09:35 < nsf> wrtp: it's not automatic
09:35 < wrtp> oh, i thought that's what your templates were doing
09:35 < nsf> it can't be done 100% in an automatic way
09:36 < nsf> but I had converted all go lib makefiles in two days
09:36 < nsf> that's not the problem, my non-recursive makefile templates are
more or less compatible with existing ones
09:36 < wrtp> what are the bad sides then?
09:36 < nsf> like there is still TARG and GOFILES
09:37 < nsf> maintainance cost is higher
09:37 < nsf> because each target shares variables namespace with others
09:37 < nsf> for example
09:37 < nsf> some go libs have this thing: GOOS_windows GOOS_linux
09:37 < wrtp> ah, that's an interesting point
09:37 < nsf> oops
09:37 < nsf> I mean something like CFLAGS_windows CFLAGS_linux
09:38 < nsf> and then: CFLAGS+=CFLAGS_$(GOOS)
09:38 < nsf> but the next package defines let's say only CFLAGS_windows
09:38 < nsf> and on linux it gets this var from the previous package :)
09:38 < nsf> there are not so many cases like that, I was able to fix them
all pretty quickly though
09:39 < wrtp> i still think that a good initial approach would be to have an
automatic dependency analysis and just run make in the dirs that need it
09:39 < nsf> but what it means, that you have to thing about these
09:39 < wrtp> not changing the system makefiles at all
09:39 < nsf> it's not possible
09:39 < wrtp> no?
09:39 < nsf> you have to change them one way or another
09:39 < nsf> at least prefixing $(curdir) everywhere
09:39 < wrtp> i'm pretty sure it's possible
09:40 < wrtp> the analysis can be conservative
09:40 < nsf> because if you want to track all packages in a single deps
tree, you have to use paths relative to single directory
09:40 < wrtp> so it might run make more times than necessary, but that
doesn't matter too much
09:40 < wrtp> why's that?
09:40 < nsf> anyways, I have a small tarball for you that includes:
templates, converted makefiles for few packages
09:41 < nsf> wrtp: because, you can't change current directory
09:41 < nsf> within make
09:41 < wrtp> you don't need to
09:41 < nsf> then how would you track dependencies?
09:41 < wrtp> i'd use a separate tool
09:42 < wrtp> it might analyse source files, or it might analyse makefiles
09:42 < wrtp> i think it'd have to analyse source files actually, but that's
pretty quick
09:42 < nsf> so, you're proposing adding another tool on top of make to
figure out what is out-dated
09:42 < wrtp> yeah
09:42 < nsf> and run make in these dirs?
09:42 < wrtp> yup
09:42 < nsf> well, that's not what I was planning to do
09:43 < wrtp> the point is not to speed things up, but to scratch my itch,
which is that i can't automatically recompile things a particular command depends
on
09:43 < wrtp> without running all.bash, or manually running make in the
directories that need it
09:43 < wrtp> all.bash is much slower than need-be
09:43 < nsf> it can be done with make :)
09:44 < wrtp> probably
09:44 < nsf> but only using non-recursive approach
09:44 < wrtp> you pointed out some of the shortcomings of that approach.
09:44 < nsf> http://ompldr.org/vNjdjdg/non-recursive.tar.bz2
09:45 < nsf> anyway, here's the small tarball
09:45 < nsf> (200kb)
09:45 < nsf> it shows how it may look like
09:45 < wrtp> i reckon about 100 or so lines of go code should do the job
09:45 < nsf> includes a very complex package runtime which is converted to
non-recursive thing
09:45 < nsf> package "runtime"*
09:46 < nsf> see all.bash here as well, I use ROOT instead of GOROOT, well,
it's just an example
09:46 < nsf> no dependency generation yet
09:47 < nsf> generating dependencies for Go isn't hard, having a good tool
to build stuff is a problem
09:47 < nsf> maintaining makefiles is a problem too
09:47 < TheSeeker> making go without bash would be nice.  not possible?
09:48 < nsf> eventually it is possible, yes
09:48 < nsf> my all.bash and clean.bash are 3 lines of code
09:48 < nsf> mine*
09:49 < nsf> purely documentational purpose, show you that you have to set
ROOT env var :)
09:49 < TheSeeker> mingw has make, but posixy stuff is *bleh* on windows.
:|
09:49 < wrtp> what about commands?
09:49 < nsf> commands?
09:52 < nsf> also there is another problem
09:53 < nsf> for example these templates require make 3.81 or newer
09:53 < nsf> it's not the latest version, the latest is 3.82
09:53 < nsf> but still, for some people it will be a problem
09:55 < TheSeeker> GNU Make 3.82
09:55 < TheSeeker> Built for x86_64-w64-mingw32
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09:55 < TheSeeker> yey
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09:56 < nsf> TheSeeker: well, it's not a problem for windows obviously, but
some weird linux and/or *bsd people have issues with that
09:56 < nsf> they tend to use old, "stable" software
09:57 < nsf> like linux kernel 2.4.*
09:57 < nsf> python 2.4
09:57 < nsf> and god knows what else :D
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09:59 < nsf> wrtp: so, what do you think?  the most interesting stuff in
template-pkg.make, pkg/Makefile and pkg/runtime/Make.def
09:59 < nsf> these give you an impression how it would look like
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10:00 < wrtp> i think it's an interesting experiment
10:00 < nsf> well, with these templates I can build the whole Go lib
10:01 < nsf> but it's not everything, there is a $GOROOT/cmd also
10:01 < nsf> and deps are still missing
10:01 < nsf> I mean crosspackage deps
10:03 < nsf> and it is possble to create local makefiles for that system
10:03 < nsf> in fact it's pretty easy
10:03 < nsf> include $(ROOT)/templates.make
10:04 < nsf> $(eval $(call TEMPLATE_GO_PACKAGE_IN_DIR,))
10:04 < nsf> done..
10:04 < nsf> :)
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10:04 < nsf> :(
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10:07 < TheSeeker> hmm, I was able to build my own copy of goinstall after
messing with the existing make scripts to use windows path seperators, and trying
to edit goinstall source to do the same ...  I wonder if I could make all the
other commands too?
10:08 < nsf> ah, that's is another problem
10:08 < nsf> with make
10:08 < nsf> personally I don't care much about it
10:08 < nsf> but people do
10:08 < nsf> make isn't really windows friendly
10:08 < nsf> therefore moving away from it
10:09 < nsf> maybe will make it possible to build go on windows without
cygwin or mingw
10:09 < nsf> or at least will make things simpler
10:10 < TheSeeker> what's wrong with mingw?
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10:10 < TheSeeker> are you thinking msys?
10:11 < nsf> TheSeeker: well, these are more like GNU/nix emulation layers
for windows
10:11 < nsf> most people don't want to see them on their PCs
10:11 < nsf> wrtp: check this out, non-recursive make is better with -j2:
http://pastie.org/1305132
10:12 < nsf> how nicely it builds everything with 8g as a first step and
then moves one
10:12 < nsf> on*
10:12 < TheSeeker> mingw is GNU GCC for windows.
10:12 < nsf> TheSeeker: I know
10:12 < nsf> but it's not just gnu gcc
10:12 < nsf> it stands for minimalist GNU for windows
10:12 < TheSeeker> msys make is GNU Make version 3.79.1 :|
10:12 < nsf> hehe
10:14 < TheSeeker> I have mingw in my path, as well as cygwin, and msys (for
msysgit) ...  it's sometimes hard to tell which comflicting version of what will
be executed from inside one of the commands offered by each of them :/
10:14 < wrtp> nsf: -j2?
10:14 < nsf> wrtp: yes, make -j2
10:14 < nsf> uses two jobs, tries to do build in parallel
10:15 < nsf> see, it parallelizes not just individual dirs, but the lib as a
whole
10:15 < nsf> starts from building GOFILES
10:15 < nsf> and then packs them
10:17 < nsf> I mean that was the non-recursive thing is all about
10:17 < nsf> everything in a single dependencies tree
10:17 < nsf> or graph, or whatever
10:18 < nsf> it will be even possible to add go libraries as a dependencies
for your app
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10:18 < nsf> like you've changed something in $GOROOT/src/pkg/bytes
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10:18 < nsf> and your app builds that, installs that and then goes on to
itself
10:18 < nsf> :\
10:19 < nsf> imho there is an advantage clearly, the problem is to convince
go developers, that this kind of transition is necessary :D
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10:27 < TheSeeker> foss dev cycle: "this sucks, fix it!" -> "do it
yourself" -> "fine then I will!" -> "ok, I did it, now use it" -> "no
thanks" -> <everyone that's not a core developer starts using it> ->
"ok, fine, we'll use it"
10:27 < nsf> haha
10:27 < nsf> the pre-last step is the most hard one
10:28 < nsf> especially in my case
10:28 < TheSeeker> not when you're starting with a small user base to begin
with :)
10:29 < nsf> the problem here is that I want to rewrite the build system for
the whole go source tree
10:29 < nsf> I can't just hold it as a patch somewhere on the net
10:29 < nsf> no one will use it
10:30 < nsf> so, I guess I should start with simple make templates for 3rd
party projects
10:30 < nsf> because few people have projects with local libraries in them
10:30 < nsf> and they don't want recursive make
10:31 < nsf> because it fails to track dependencies correctly
10:32 < TheSeeker> If you can show that it's faster, simpler, or easier to
get working on windows, I'll gladly pull from your fork of go instead of the main
one :)
10:32 < nsf> yeah..  the thing is I don't really care about windows :D
10:32 < nsf> and I know that this is a large user base
10:32 < nsf> but..
10:33 < nsf> I don't use windows and therefore I can't make a build system
for it
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10:36 < TheSeeker> I do use windows, so I could tell you if your system is
easier to get working from a dumb windows user perspective :)
10:36 < nsf> well, it will be base on make anyway, so if make 3.81 is
available on windows, why not
10:36 < nsf> based*
10:37 < nsf> 3.81, because this version contains an important bug fix for
$(foreach $eval case
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10:40 < Archwyrm> nsf: Have you seen godag?  It builds most of the standard
library.
10:40 < nsf> nope
10:40 < Archwyrm> Just doesn't support cgo right now.
10:40 < nsf> I'm aware that this tool exists
10:40 < nsf> never used it, I just don't see a point
10:41 < Archwyrm> Point is you don't need make or makefiles.
10:41 < Archwyrm> It just 'works'.
10:41 < nsf> it just works for building Go source code
10:41 < nsf> but then your project grows
10:41 < nsf> and include let's say asciidoc -> man page toolchain
10:41 < nsf> and other things
10:41 < Archwyrm> Yeah, it doesn't support C obviously, so you can't build
all of go with it.
10:42 < nsf> includes*
10:42 < Archwyrm> Heh
10:42 < Archwyrm> Well, make relies on external tools for this.  I would
assume any other build tool would want to allow custom targets.
10:42 < nsf> it is important, people on the ML that are talking about
waf/cmake/scons/whatever
10:42 < nsf> are right partially
10:43 < nsf> indeed, the problem with make as I've said before
10:43 < nsf> is that it's not very windows friendly
10:43 < nsf> but being truly crossplatform is very hard
10:44 < nsf> make relies on POSIX stuff
10:44 < nsf> especially posix command tools (sh, mkdir, cp, rm, etc.)
10:44 < nsf> I don't think it's evil
10:44 < Archwyrm> cmake manages it.  I suppose scons is fine too because it
is just python.
10:44 < Archwyrm> Can't really say, I only have experience with make and
cmake out of those.
10:45 < nsf> cmake provides alternatives for these tools
10:45 < vegai> why not go full crazy and mk?  :P
10:45 < nsf> because even gnu make has not enough features for building
non-recursive systems
10:45 < nsf> for example it lacks per-file namespaces
10:45 < nsf> there is a project on the net
10:45 < nsf> called makepp
10:45 < nsf> it addresses some of these issues
10:46 < nsf> but apparently no one uses it :D
10:46 < nsf> gnu make is a sane choice because at least on linux
10:46 < Archwyrm> Some tools get rather entrenched.
10:46 < nsf> it is available on the most major distributions
10:46 < Archwyrm> *cough*autotools/conf*cough*
10:47 < nsf> I've never used autotools, I think it's a complete crap
10:47 < nsf> for C/C++ projects I use cmake
10:47 < Archwyrm> Same.  I have never even tried.
10:47 < nsf> I've tried
10:47 < Archwyrm> Fixing the build of some projects that were already using
it was scarring enough.
10:47 < nsf> it just dumps tons of useless files to your project dir
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10:48 < Archwyrm> That and all the junk you have to know to actually use it.
10:48 < nsf> m4 is the most scary one
10:49 < Archwyrm> Yeah, I was trying to think of the name.
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10:51 < bortzmeyer> I use autotools and I am quite happy with it.  But I
always appreciate testing alternatives.
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11:04 < wrtp> nsf: you can have less features and nonetheless have at least
as much power
11:05 < nsf> I'm sure I can
11:05 < nsf> but rewriting make isn't affordable at the moment
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11:05 < wrtp> i.e.  mk is not necessarily insufficient
11:06 < nsf> well, regarding mk you shouldn't listen me
11:06 < nsf> I've seen it once
11:06 < wrtp> in fact i think it's fine - they don't use it only because it
adds another dependency.
11:06 < nsf> and I'm sure I haven't seen even 30% of its features
11:06 < nsf> :)
11:07 < wrtp>
ftp://ftp.cyberway.com.sg/pub/funet/unix/security/docs/usenix/usenix/summer87/mk.ps.gz
11:07 < wrtp> if you're interested
11:07 < nsf> not really :)
11:07 < nsf> it would be interesting if I was planning to rewrite the make
tool
11:07 < wrtp> it's nice because it cuts out a lot of make's cruft
11:07 < nsf> my interest is purely practical
11:07 < wrtp> while expanding its power
11:07 < wrtp> sure
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11:14 < uriel> wrtp: er, there are better versions of that paper than a
.ps.gz ;)
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11:14 < uriel> http://doc.cat-v.org/plan_9/4th_edition/papers/mk
11:15 < wrtp> uriel: sorry, i had a look on your website and i didn't see it
11:19 < uriel> wrtp: you can also use http://mk.cat-v.org as a shortcut ;)
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11:24 < wrtp> uriel: did you see any of that?  i was disconnected for a bit
11:31 < wrtp> is this working?  anyone see this?
11:31 < nsf> yes yes
11:32 < nsf> your last phrase before disconnect was:
11:32 < nsf> wrtp | uriel: sorry, i had a look on your website and i didn't
see it
11:34 < wrtp> ah!
11:34 < wrtp> i said:
11:34 < wrtp> uriel: anyway, that's the wrong paper
11:34 < wrtp> i wanted to point to the original mk paper that describes its
raison d'etre
11:34 < wrtp> "mk; a successor to make" by andrew hume
11:34 < wrtp> you should add it
11:34 < wrtp> it was also published in the 10th ed books
11:34 < wrtp> nsf: thanks
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11:36 < TheSeeker> mk, because typing 4 chars to start a build is 2 chars
too many?
11:39 < wrtp> mk, because it's difficult to think of new names...
11:41 < TheSeeker> fair enough
11:52 < nsf> yamake, makemm (minus minus), makepp :D
11:52 < nsf> and just for the record, I'm not proposing these
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11:58 < uriel> wrtp: ah, cool
11:59 < uriel> wrtp: do you have a link to that paper?
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12:03 < mpl> wrtp: I think the go team said they didn't want to use mk
because they didn't want to add an additional "not widely known" dep, didn't they?
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12:17 < uriel> mpl: nor any more extra dependencies
12:17 < uriel> mpl: as russ pointed out, the most important aspect for a
build system is ubiquity, and at that make is very hard to beat
12:18 < uriel> they could have added mk plus a simple bootstrap step like
p9p does, but really it hardly seems worth the trouble
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12:22 < mpl> yes.
12:22 < wrtp> uriel: your original comment was in respect to a link that i
wrote here!
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12:23 < wrtp>
ftp://ftp.cyberway.com.sg/pub/funet/unix/security/docs/usenix/usenix/summer87/mk.ps.gz
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13:47 < uriel> wrtp: ah, interesting
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13:53 < uriel> wrtp: added it: http://doc.cat-v.org/bell_labs/mk/
13:54 < uriel> (and pointed mk.cat-v.org thre)
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14:05 < wrtp> uriel: it would be great if you could find all the papers that
were in the 10th ed.  vol 2...
14:05 < wrtp> oops sorry, very off topic for here
14:07 < nsf> wrtp: IRC has a nice implicit rule, off topic is allowed in
case if there are no "on topic" talks on the channel at the moment :D
14:07 < Fish> I have the 10th books
14:07 < nsf> simply because making demands for people to be always "on
topic" is cruel
14:08 < Fish> I could scan it, but after you have to ocr the images
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14:09 < Fish> iirc, most of 10th edition specific papers are very hard to
find
14:13 < wrtp> Fish: i have the 10th ed books too.  i'm so glad i bought them
when i saw them on sale at the time.
14:13 < wrtp> but many of the papers are indeed hard to find - it'd be
useful to have them online to point people to
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14:14 < Fish> best way would be to convince those who have 10th edition
sources to put the troff sources online
14:15 < wrtp> maybe they don't exist any more
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14:17 < mpl> cs-archeology :)
14:18 < hokapoka> At last I've managed to get some old project off my desk
so I can re-look at using go.  I was initially looking at using mongodb with go,
but I had some issues with the implymentation.  I've not had a chance to try and
fix it yet, wondered what others were using for databases?
14:18 < mpl> sqlite
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15:03 < markus> hey everybody
15:03 < markus> has somebody time to answer a beginners question in go?
15:03 <+iant> you can just ask, you don't have to ask whether you can ask
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15:04 < markus> alright
15:05 < markus> i have small go program
15:05 < markus> written in a text file
15:05 < markus> and wondering what the result of the program is
15:06 < wrtp> markus: have you tried compiling it?
15:06 < markus> and whether its compileder dependent
15:06 < markus> compiler
15:07 < markus> may somebody have a look on it when I send it to you?
15:07 < wrtp> markus: why don't you put on a web pasteboard?
15:07 < markus> alright
15:08 < markus> http://pastebin.com/9saPZymc
15:09 <+iant> The type Concrete does not appear to have a show method
15:09 <+iant> so I don't see how this code could compile
15:10 <+iant> plus the syntax is wrong
15:10 < markus> alright
15:10 <+iant> what is your real question?
15:11 < markus> this multi interface satisfaction case which method will be
called
15:11 < markus> the first show or the second one if Concrete would have a
show method
15:11 < wrtp> markus: i think you mean to say func (this *One) not func (One
*this)
15:11 < markus> yeah
15:12 < wrtp> but even then it's wrong because you want to use One, not *One
15:12 < wrtp> and as iant says, Concrete has no show method
15:12 <+iant> You can't write your own method for an interface type
15:12 < markus> ah okay
15:12 < wrtp> markus: why don't you try making an example that compiles,
then get back here?
15:12 <+iant> Interface types get methods from concrete types
15:13 < markus> okay question solved when you cannot make a method for an
interface type
15:13 < markus> thanks
15:13 < markus> cya
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15:16 <+iant> that was odd
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15:26 < wrtp> just someone wondering how the language works, i guess
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18:14 < evilclone> is there a way for me to write a lib for my program to
use without having the lib be installed to the global package area?  basically I'd
like to break certain bits of functionality off into separate packages but I don't
want to pollute the "global" package area with my packages...
18:15 < cbeck> import "./yourpackage"
18:16 < cbeck> Or in the makefile TARGET=yourname/packagename
18:16 < cbeck> if you want them to be easily included from anywhere but not
at the top level
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18:17 < evilclone> is there a way to still use makefiles but not have it
automatically do the "make install" step?
18:20 < evilclone> because I'd quite like to have the nice easy-rebuild I
gain from having stuff setup with make
18:20 < evilclone> but as it is the packages get pushed to the global
package store
18:22 < cbeck> make install is a seperate step
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18:24 < evilclone> cbeck: it seems to run it due to the lib being in my DEPS
variable in my main program's make file...  should I be setting the makefiles out
differently somehow?
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18:26 < gmilleramilar> what should the output of this program on x86 be?
http://pastie.org/private/8hp5uf8h3la8ls6c8qnw0w
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18:27 <+iant> gmilleramilar: what happens when you run it?
18:27 < gmilleramilar> 4
18:27 <+iant> sounds good
18:28 < gmilleramilar> is that because unsafe.Maxalign limits it?
18:28 <+iant> unsafe.Alignof is telling you something about the compiler you
are using, not something inherent in the type
18:28 <+iant> that is why it is unsafe
18:28 <+iant> it's telling you the alignment the compiler will use for the
type
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18:29 < gmilleramilar> but the golang spec says that it should be the lesser
of the size and unsafe.Maxalign, right?
18:29 <+iant> I don't know what unsafe.Maxalign is, but, yes, I expect that
4 is the maximum alignment that 8g uses
18:29 < gmilleramilar> yeah, that's the next problem, the spec references
that constant, but it does not exist in the libraries.
18:30 <+iant> hmmm, that is od
18:30 <+iant> d
18:30 < gmilleramilar> I can file a bug about it.
18:30 <+iant> thanks
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18:35 < gmilleramilar> ( http://code.google.com/p/go/issues/detail?id=1285
), this actually came up because I was looking to see if writes to float64 would
be atomic on x86, which apparently it is (according to Intel) if the bytes are
aligned on an 8 word boundary.
18:36 < gmilleramilar> so I guess they are not.
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18:47 <+iant> Go doesn't guarantee any sort of atomic writes
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19:02 < gmilleramilar> I understand that, but I'm more interested in whether
they are.
19:02 < gmilleramilar> (on a particular architecture)
19:09 < plexdev> http://is.gd/hiKPE by [Robert Griesemer] in
go/src/cmd/godoc/ -- godoc: bug fix in relativePath
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19:25 < evilclone> cbeck..?
19:26 < cbeck> had to catch a bus
19:26 < evilclone> oh right
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19:27 < evilclone> got any response to: cbeck: it seems to run it due to the
lib being in my DEPS variable in my main program's make file...  should I be
setting the makefiles out differently somehow?
19:27 < cbeck> Hmm
19:27 < evilclone> with regard to make install automatically being run when
my lib's sub folder is mentioned in the "DEPS" line of my program's makefile
19:28 < evilclone> I'd rather not go down the ugly-hack route of namespacing
all of my libs to stop them polluting the global lib area
19:29 < evilclone> tbh, I'd be happy if I was able to just have multiple
files that provide different packages all built into a single executable rather
than building seperate libs first
19:29 < cbeck> I don't find that particularly ugly, tbh
19:29 < evilclone> I'm just trying to get some form of separation of my
different objects in this project into separate namespaces from each other
19:29 < evilclone> because things are gonna get crowded otherwise...  :/
19:30 < evilclone> yeah but this libs are very specific to the application
at hand
19:30 < evilclone> so having them in the global lib store seems...
pointless...
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19:30 < cbeck> Then just use the import "./blah" syntax
19:31 < evilclone> ok, but then I'd have to remove the DEPS line from my
makefile and go around building all the dependant libs manually...
19:31 < cbeck> And perhaps roll your own makefile
19:31 < evilclone> oh
19:31 < evilclone> joy :(
19:31 < evilclone> I take it that the helper makefiles can only get me so
far, then?
19:32 < cbeck> They're for a rather particular purpose
19:32 < evilclone> right-ho
19:33 < evilclone> I'm awfully conscious of the fact that I feel like I'm
abusing the package system of go
19:33 < evilclone> essentially, I'm attempting to separate the different
parts of my app into logical namespaces of some variety
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19:33 < cbeck> I do exactly what you're talking about fairly regularly
19:34 < cbeck> And just use a simple makefile
19:34 < evilclone> obviously importing them as libs gives me the nice
separation so that I've got something like "webserv.Foo" access to those objects
to do with the webserver part and then "somethingelse.Bar" for parts related to
something else
19:35 < evilclone> is there no mechanism in go to do this without building
the "webserv" component as a separate lib and then linking it in?
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19:35 < cbeck> for that exact use case, no
19:35 < prudhvi> Hi, i am wondering if go has any support for Accessing XML
webservices?  ( consuming from WSDL?  )
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20:43 < plexdev> http://is.gd/hj0lf by [Robert Griesemer] in
go/src/pkg/go/token/ -- position.go: test cases for token.Pos
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22:34 < enferex> is anyone working on a SSA form for the gc compiler?
22:36 < skelterjohn> what's SSA?
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22:42 < enferex> Static single assignment
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22:50 < anticw> enferex: use gccgo?
22:52 < enferex> ah I suppose the GIMPLE output from the gccgo front end
would be converted to SSA in the middle-end of gcc?
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23:04 < krutcha> is there a way to disable local echo when reading from
stdin by line?  or would one have to read char by char and sendout backspaces?
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23:06 < enferex> i think you might be able use a serttermio call
23:06 < enferex> er setterm
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23:08 < krutcha> I'll give that a go
23:08 < krutcha> thx
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23:08 < enferex> thats aguess probably not really the solution you are
looking for
23:09 < enferex> You can always just redirect output
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23:11 < enferex> I assume you are implementing a password input
functionality?
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23:11 < enferex> or some kind of keylogger ;-)
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23:11 < krutcha> correct, just a simple scanf at the moment for a console
jabber client password
23:11 < krutcha> figured why not try to mask the password if I can
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--- Log closed Thu Nov 18 00:00:16 2010