spatialite-gis requires the following formulae to be installed:
pkg-config 0.29.2 Manage compile and link flags for libraries
freexl 1.0.5 Library to extract data from Excel .xls files
geos 3.6.2 Geometry Engine
libharu 2.3.0 Library for generating PDF files
librasterlite 1.1g_3 Library to store and retrieve huge raster coverages
libspatialite 4.3.0a_5 Adds spatial SQL capabilities to SQLite
proj 4.9.3 Cartographic Projections Library
wxmac Cross-platform C++ GUI toolkit (wxWidgets for macOS)

Recent formula history

Viktor Szakats spatialite-gis: secure url(s)
Ian Lancaster spatialite-gis: fix compilation with wxWidgets 3
Ian Lancaster spatialite-gis: remove conflicting LDFLAG
Charlie Sharpsteen spatialite-gis: Depends on libharu
Charlie Sharpsteen spatialite-gis: Update patches

Formula code at GitHub