Installing nokogiri gem for OS X 10.10 / Homebrew [2014-11-24]
I found some strings like
@@HOMEBREW_CELLAR@@/xz/5.0.7/lib
in libxml2's configuration log and Makefile. So I have to set these path strings explicitly via LZMA_* environment variables.
$ which ruby
/Users/foo/.rvm/rubies/ruby-2.1.5/bin/ruby
$ brew install xz
$ brew install libxml2
$ brew install libxslt
$ LZMA_CFLAGS="-I/usr/local/Cellar/xz/5.0.7/include" LZMA_LIBS="-L/usr/local/Cellar/xz/5.0.7/lib -llzma" gem install nokogiri --verbose -- --with-xml2-config=/usr/local/Cellar/libxml2/2.9.2/bin --with-xslt-config=/usr/local/Cellar/libxslt/1.1.28/bin --with-lzma=/usr/local/Cellar/xz/5.0.7