GNU Smalltalk 3.3 & VisualGST

Hello,

Just started trying out GNU Smalltalk. I'm finding it easier to use than
the alternatives, because it doesn't require you to program from within a
Smalltalk image.

I was wondering if the project is still active. Looks like the last release
was the 3.3 alpha: http://smalltalk.gnu.org/news/gnu-smalltalk-3-2-91, in
2015, but the final version of 3.3 doesn't seem to have come out. The
version I have running on MacOS is from Homebrew, which is 3.2.5_8.

I'm also trying to run VisualGST on MacOS, but it is complaining that the
Cairo package is not available. I'm wondering if there's a way to get this
package on MacOS, and get VisualGST running.

Any help is appreciated,
  Quenio
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> On 19. Jul 2019, at 00:01, Quenio dos Santos <[hidden email]> wrote:
>
> Hello,

Hi!


> Just started trying out GNU Smalltalk. I'm finding it easier to use than
> the alternatives, because it doesn't require you to program from within a
> Smalltalk image.


this is how I got started with GNU Smalltalk. I do most of the dev in Pharo
these days though.


> I was wondering if the project is still active. Looks like the last release
> was the 3.3 alpha: http://smalltalk.gnu.org/news/gnu-smalltalk-3-2-91, in
> 2015, but the final version of 3.3 doesn't seem to have come out. The
> version I have running on MacOS is from Homebrew, which is 3.2.5_8.

For 3.3 we re-worked the event-loop integration but unfortunately this could
trigger some deadlocks with VisualGST (when stepping through code in the debugger)
and I didn't want to make a release but lacked the time to resolve this.

I think we should probably release 3.3 anyway and see if it matters. Given
how long it took GTK+2 isn't that relevant either.



> I'm also trying to run VisualGST on MacOS, but it is complaining that the
> Cairo package is not available. I'm wondering if there's a way to get this
> package on MacOS, and get VisualGST running.


Maybe the Tcl/Tk browser gives you a better experience right now? It might
be that GST isn't looking in the right directory for libcairo.dylib. What are
the steps for reproducing this? brew install ...?

holger


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Hello Holger,

Thanks for your reply.

I installed GNU Smalltalk like this:

$ brew install gnu-smalltalk

I then started using the “gst” command normally, without any issues. But
eventually I tried to execute VisualGST like this:

$ gst-browser

And got the following error:

Object: PackageLoader class error: Invalid argument Cairo: package not found
SystemExceptions.PackageNotAvailable(Exception)>>signal (ExcHandling.st:254)
SystemExceptions.PackageNotAvailable(Exception)>>signal:
(ExcHandling.st:264)
SystemExceptions.PackageNotAvailable class(SystemExceptions.NotFound
class)>>signalOn:what: (SysExcept.st:731)
SystemExceptions.PackageNotAvailable class>>signal: (PkgLoader.st:57)
optimized [] in PackageLoader class>>fileInPackages: (PkgLoader.st:1965)
[] in
Kernel.PackageDirectories(Kernel.PackageGroup)>>extractDependenciesFor:ifMissing:
(PkgLoader.st:165)
Kernel.PackageDirectories>>at:ifAbsent: (PkgLoader.st:236)
[] in
Kernel.PackageDirectories(Kernel.PackageGroup)>>extractDependenciesFor:ifMissing:
(PkgLoader.st:165)
Set(HashedCollection)>>do: (HashedColl.st:201)
Kernel.PackageDirectories(Kernel.PackageGroup)>>extractDependenciesFor:ifMissing:
(PkgLoader.st:160)
PackageLoader class>>fileInPackages: (PkgLoader.st:1964)
PackageLoader class>>fileInPackage: (PkgLoader.st:1954)
Package(Kernel.PackageInfo)>>fileIn (PkgLoader.st:493)
optimized [] in UndefinedObject>>executeStatements
(/usr/local/Cellar/gnu-smalltalk/3.2.5_8/share/smalltalk/scripts/Load.st:125)
OrderedCollection>>do: (OrderColl.st:67)
[] in UndefinedObject>>executeStatements
(/usr/local/Cellar/gnu-smalltalk/3.2.5_8/share/smalltalk/scripts/Load.st:124)
[] in BlockClosure>>ifCurtailed: (BlkClosure.st:286)
BlockClosure>>ensure: (BlkClosure.st:268)
BlockClosure>>ifCurtailed: (BlkClosure.st:273)
UndefinedObject>>executeStatements
(/usr/local/Cellar/gnu-smalltalk/3.2.5_8/share/smalltalk/scripts/Load.st:114)

I also noticed that I don't have the "cairo" package in my local system:

$ ls /usr/local/share/smalltalk
Announcements.star LibSDL_image.star VFSAddOns.star
BLOXBrowser.star LibSDL_mixer.star VisualGST.star
CParser.star LibSDL_ttf.star WebServer.star
ClassPublisher.star Magritte-Seaside.star XML-DOM.star
Compiler.star Magritte.star XML-Expat.star
Complex.star NCurses.star XML-ParserTests.star
Continuations.star NetClients.star XML-PullParser.star
DBD-MySQL.star OpenGL.star XML-SAXDriver.star
DBD-PostgreSQL.star Parser.star XML-SAXParser.star
DBD-SQLite.star ProfileTools.star XML-XMLNodeBuilder.star
DBI.star ROE.star XML-XMLParser.star
DebugTools.star SUnit.star XPath.star
DhbNumericalMethods.star SandstoneDb.star XSL.star
Digest.star Seaside-Core.star ZLib.star
GDBM.star Seaside-Development.star examples
GNUPlot.star Seaside-Examples.star kernel
Glorp.star Seaside.star packages.xml
I18N.star Sockets.star scripts
Iconv.star Sport.star unsupported
Java.star Swazoo.star

I tried to download the "cairo" package:

$ gst-package --download cairo
gst-package: expected packages tag

But it didn't seem to have any effect.

Thanks for your help,
- Quenio



On Thu, 18 Jul 2019 at 20:57 Holger Freyther <[hidden email]> wrote:
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> On 19. Jul 2019, at 08:25, Quenio dos Santos <[hidden email]> wrote:
>
> Hello Holger,

Hey!



> I also noticed that I don't have the "cairo" package in my local system:
>
> $ ls /usr/local/share/smalltalk
> Announcements.star LibSDL_image.star VFSAddOns.star
> BLOXBrowser.star LibSDL_mixer.star VisualGST.star


Indeed. You should have a Cairo.star here. If you can please have a look at
the config.log

holger



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The installation I have is from Homebrew so I didn't build it myself. I
tried but the build is failing on my Mac per my other email.

On Mon, Jul 22, 2019 at 9:20 AM Holger Freyther <[hidden email]> wrote:
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