CGAL users discussion list

[Noel Warren <>]

I regularly check the cgal-bindings project to see how it is going.  I even tried contributing but SWIG is way over my head.

When not on windows I use a my own ruby-cgal bindings too (https://github.com/noelwarr/RGAL).  I used Rice for the bindings but alas rice is *nix and mac only.

2013/10/8 Sebastien Loriot (GeometryFactory) <>

Just in case you don't know, there is the following project:

http://code.google.com/p/cgal-bindings/

which has experimental ruby support.

Sebastien.

On 10/08/2013 07:57 PM, Stefan Salewski wrote:

On Tue, 2013-10-08 at 18:39 +0200, Noel Warren wrote:

I want to compile
a Ruby C extension that uses some CGAL algorithms.

Compiles fine here -- without any changes:
This is for Ruby 1.9.3 and
gcc version 4.7.3 (Gentoo 4.7.3-r1 p1.3, pie-0.5.5)

stefan@AMD64X2 ~/tust $ cat extconf.rb
require 'mkmf'

if have_library("CGAL") and have_library("CGAL_Core") and
have_library("gmp")
   $CFLAGS += " -frounding-math"
   create_makefile("hello_world")
else
   puts 'missing CGAL library'
end

ruby extconf.rb
checking for main() in -lCGAL... yes
checking for main() in -lCGAL_Core... yes
checking for main() in -lgmp... yes
creating Makefile
stefan@AMD64X2 ~/tust $ make
compiling rcgal_apollonius.cpp
compiling hello_world.cpp
linking shared-object hello_world.so

I did some Ruby CGAL bindings myself some time ago,
http://www.ssalewski.de/CDT.html.en
It works, but contains an error related to garbage collection and not
really nice code. I will fix that soon.
I think my latest Boost bindings are more clean,
http://www.ssalewski.de/RT.html.en
I am still learning...

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