thoughtbot/laptop — pull request #72 by croaky (2013-02-25 21:37:54+00:00)
Title: Force gcc-4.2 compiler when installing Ruby

Avoid errors like:

st.c:520:35: error: implicit conversion loses integer precision:
'st_index_t' (aka 'unsigned long') to 'int' [-Werror,-Wshorten-64-to-32]
i = table->num_entries++; ~ ~~~~~~~~~~~~~~~~~~^~

https://github.com/sstephenson/ruby-build/issues/287