How to install the stemmer4r gem on Mac OS X and Linux

The stemmer4r gem is fubar. Warning draft snippet... ```ruby # gem install stemmer4r Bulk updating Gem source index for: http://gems.rubyforge.org Building native extensions. This could take a while... ERROR: While executing gem ... (Gem::Installer::ExtensionBuildError) ERROR: Failed to build gem native extension. ruby extconf.rb install stemmer4r Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/stemmer4r-0.6 for inspection. Results logged to /usr/lib/ruby/gems/1.8/gems/stemmer4r-0.6/ext/stemmer4r/gem_make.out 1. Change path of Ruby executable cd /usr/lib/ruby/gems/1.8/gems/stemmer4r-0.6/ext/stemmer4r/ vim extconf.rb #!/usr/bin/ruby -w to #ruby -w 2. Compile libstemmer_c cd /usr/lib/ruby/gems/1.8/gems/stemmer4r-0.6/ext/stemmer4r/libstemmer/ make 3. Compile stemmer4r cd /usr/lib/ruby/gems/1.8/gems/stemmer4r-0.6/ext/stemmer4r/ Change path: /usr/local/ruby/lib/ruby/1.8/i686-linux/ To: /usr/lib/ruby/1.8/x86_64-linux/ Or wherever you have it installed ruby extconf.rb 4. Build stemmer4r gem gem build stemmer4r.gemspec gem install stemmer4r-0.6.gem Problems gcc -shared -rdynamic -Wl,-export-dynamic -L"/usr/lib" -o stemmer4r.so stemmer4r.o libstemmer_c/libstemmer.o -lruby1.8 -lpthread -ldl -lcrypt -lm -lc /usr/bin/ld: libstemmer_c/libstemmer.o(libstemmer.o): relocation R_X86_64_32 against a local symbol' can not be used when making a shared object; recompile with -fPIC libstemmer_c/libstemmer.o: could not read symbols: Bad value collect2: ld returned 1 exit status make: *** [stemmer4r.so] Error 1 Add CFLAGS: root@aktagon:/usr/lib/ruby/gems/1.8/gems/stemmer4r-0.6/ext/stemmer4r/libstemmer_c# make include mkinc.mak CFLAGS = -fPIC libstemmer.o: $(snowball_sources:.c=.o) $(AR) -cru $@ $^ ```