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comp.lang.ruby

HOWTO?: fix extconf.rb to use g++?

Jeremy Henty

1/3/2005 12:39:00 PM

Is there a supported way to get extconf.rb to use g++ instead of gcc?
I found the following references but none of them give a really
definitive answer.

http://www.angelfire.com/electronic2/issac/rb_cpp_e...
http://www.rubygarden.com/ruby?WritingExte...
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-...
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-...

This came up when I tried to fix the build of ruby-fltk. It uses this
hack:

# Use "g++" instead of "gcc"
CONFIG.each{|key, val|
if( val =~ /gcc/ )
CONFIG[key] = CONFIG[key].gsub("gcc", "g++")
end
}
if( defined?(LINK) )
LINK.gsub!("gcc", "g++")
end
if( defined?(CPP) )
CPP.gsub!("gcc", "g++")
end

.... but it doesn't work in Ruby 1.8.2 ; the configuration tests still
run gcc , so some of them misfire, the build gets misconfigured and
breaks. My current fix is:

[ Config::CONFIG, Config::MAKEFILE_CONFIG, ].each{|config|
config.each{|key, val|
if( val =~ /gcc/ )
config[key] = config[key].gsub("gcc", "g++")
end
}
}
if( defined?(LINK) )
LINK.gsub!("gcc", "g++")
end
if( defined?(CPP) )
CPP.gsub!("gcc", "g++")
end

.... which seems to work but I've no idea if I've covered all the
bases. Any suggestions?

Cheers,

Jeremy Henty

2 Answers

Asbjørn Reglund Thorsen

1/4/2005 11:06:00 AM

0

Jeremy Henty

1/4/2005 9:42:00 PM

0

Asbjørn Reglund Thorsen <asbjoert@ifi.uio.no> wrote:

> Is there any good how-to`s about extending Ruby with c++? I have
> found one, but it`s quite old:=20
> http://www.angelfire.com/electronic2/issac/rb_cpp_e....

Thanks, but I already found that. I included a link to it in my
original posting. Unfortunately it doesn't address any of the
problems I'm having with the Ruby-FLTK build.

Cheers,

Jeremy Henty