mxcl/homebrew — pull request #21179 by nickrobison (2013-07-12 21:46:02+00:00)
Title: Added Architecture Flags to WxWidgets Config

Without the 'macosx_arch' flags, some of the x86_64 libraries don't get built correctly, which causes problems when being used to compile SAGA GIS from source. The additional flags also satisfy additional build recommendations from the SAGA team.