raspell shared library problems on OpenBSD

Posted by face on February 26, 2008

--- extconf.rb.orig     Tue Feb 26 12:03:53 2008
+++ extconf.rb  Tue Feb 26 11:52:16 2008
@@ -1,5 +1,7 @@
 require "mkmf"
+$LIBS += " -lstdc++ -laspell"

I recently installed the raspell gem on my development box as part of an evaluation of ultrasphinx.

Unfortunately, the native extension to raspell doesn’t link in the dynamic libraries it uses. A fix is provided below.

Note, using the raspell with ultrasphinx also caused a ruby core dump, this time in an assertion from the configuration for aspell. OpenBSD uses aspell-0.50.5 and after upgrading aspell to 0.60.5, raspell started working fine.

Here is the output from the dynamic library problem:

** Starting Rails with development environment...
ruby:/usr/local/lib/ruby/gems/1.8/gems/raspell-1.1/lib/raspell.so: undefined symbol 'new_aspell_config'
lazy binding failed!
/home/face/urevz/vendor/plugins/ultrasphinx/lib/ultrasphinx/spell.rb:33: [BUG] Segmentation fault
ruby 1.8.6 (2007-09-24) [i386-openbsd4.2]

A little poking around and I noticed the native library, raspell.so, doesn’t link in libaspell!

A quick fix is to add the libs to extconf.rb and rebuild the library:

  1. cd /usr/local/lib/ruby/gems/1.8/gems/raspell-1.1/ext
  2. edit extconf.rb and add the line $LIBS = ” -lstdc+ -laspell”
  3. sudo make clean
  4. sudo make
  5. sudo cp raspell.so ../lib/.

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