Broken on Ruby 1.9.2 -- rake build - no int with size 4

[sunaku]

Hello,

Running rake build fails on my 64-bit computer:

$ rake build
(in /home/stash/lab/rdiscount)
cd ext
/usr/bin/ruby extconf.rb
checking for random()... yes
checking for srandom()... yes
checking for rand()... yes
checking for srand()... yes
checking size of unsigned long... long
checking size of unsigned int... int
no int with size 4
*** extconf.rb failed ***

Obviously int has size 8 (bytes) on a 64-bit machine.

Thanks for your consideration.

[sunaku]

I am using ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-linux] and in that version, the mkmf library's check_sizeof() method is returning a string (in some cases) instead of the number of bytes. In particular:

$ irb -r mkmf
### ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-linux]
>> check_sizeof("unsigned long")
checking size of unsigned long... long
"long"
>> check_sizeof("unsigned int")
checking size of unsigned int... int
"int"
>> check_sizeof("unsigned char")
checking size of unsigned char... 1
1

[sunaku]

This is fixed in my fork at sunaku/rdiscount@730d12e.

[maccman]

+1

[davidfstr]

Can't repro on latest Ruby 1.9.3p362.

And the patch you've submitted makes a hardcoded assumption, so I can't take it.

[dadamsuk]

I have the same problem using ruby 1.9.2p320. Any chance of a fix? Upgrading from 1.9.2 -> 1.9.3 is not currently an option for me. Thanks.

[davidfstr]

@dadamsuk Please try sunaku's patch sunaku/rdiscount@730d12e.

Ruby 1.9.2 won't compile on the current or last major releases of OS X (Mtn. Lion or Lion), so it is not easy for me to test or debug.

[dadamsuk]

I tried the patch and it compiled okay, though it threw some other errors when in use, so I am afraid to say I moved to another (albeit slower) markdown processor. 1.9.2-p320 compiles on Mountain Lion - I have it installed with RVM. Would love to move back to RDiscount if you are able to fix.

[davidfstr]

1.9.2-p320 compiles on Mountain Lion

Hmm. You must have overridden the default llvm-gcc with real gcc. I'll take another look either today or Thursday.

[davidfstr]

I think it is bad policy to support anything less than the latest stable Ruby on 1.9.x, so I won't be taking this bug. Please upgrade your Ruby to 1.9.3 or greater when you are able.

For more information about Ruby versions I will support, please see the Support Matrix.

Closing as Unsupported.

[davidfstr]

Reopening to track while I reevaluate 1.9.2 support.

[gdelfino]

I'm having the same problem with ruby-1.9.2-p320

[davidfstr]

I don't anticipate having time to fix this myself. If you care enough about Ruby 1.9.2, submit me a patch. Otherwise upgrade to Ruby 1.9.3 or later.

Marking for Community Support.

[davidfstr]

I have received no patch for this in over a year, so I'm assuming the community does not have a strong enough desire to restore support for the old Ruby 1.9.2 version itself. Closing.