Fnord

Random bits from a random nerd

LSI and Rb-gsl

So I’m spelunking through the Octopress docs and find a flag for ‘related posts’.

In _config.yml, set

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lsi: true

…and watch your laptop turn into a smoldering heap of rubble. My

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rake generate

is still cranking, fans roaring, as it tries to generate related posts. It does helpfully say

Notice: for 10x faster LSI support, please install http://rb-gsl.rubyforge.org/

But rb-gsl is Ruby on top of GSL, hmm. GSL compiles and installs no prob, but rb-gsl dies:

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gem install gsl

yields lots of compiles then

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gcc -I. -I/Users/hubbard/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1/x86_64-darwin11.2.0 -I/Users/hubbard/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1/ruby/backward -I/Users/hubbard/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1 -I. -DHAVE_NARRAY_H  -I/Users/hubbard/.rvm/gems/ruby-1.9.2-p290/gems/narray-0.6.0.1/. -I/Users/hubbard/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/x86_64-darwin11.2.0 -I/Users/hubbard/.rvm/usr/include -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE   -fno-common  -Wall -I../include  -I/usr/local/include  -o matrix_complex.o -c matrix_complex.c
matrix_complex.c:1525: error: conflicting types for ‘gsl_matrix_complex_equal’
/usr/local/include/gsl/gsl_matrix_complex_double.h:227: error: previous declaration of ‘gsl_matrix_complex_equal’ was here
make: *** [matrix_complex.o] Error 1


Gem files will remain installed in /Users/hubbard/.rvm/gems/ruby-1.9.2-p290/gems/gsl-1.14.7 for inspection.
Results logged to /Users/hubbard/.rvm/gems/ruby-1.9.2-p290/gems/gsl-1.14.7/ext/gem_make.out.

Drat. No fix yet.

Update: Fix is to use v1.14 of GSL, not 1.15. Cranking now…

Update 2/5/12: Compiled, but still unusable. Killed it after ten hours.

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