This is the difference between a stack with edIncludes in Installed.hs commented out, and not.
Just to show the paths that are, I assume, inserted into --extra-include-dirs
and friends.
C:\projects\stack>stack install
Setting codepage to UTF-8 (65001) to ensure correct output from GHC
binary-tagged-0.1.1.0: unregistering (flags changed from ["--extra-include-dirs=C:\\Users\\clint\\AppData\\Local\\Programs\\stack\\x86_64-windows\\msys2-20150512\\mingw32\\include","--extra-include-dirs=C:\\Users\\clint\\AppData\\Local\\Programs\\stack\\x86_64-windows\\msys2-20150512\\mingw64\\include","--extra-lib-dirs=C:\\Users\\clint\\AppData\\Local\\Programs\\stack\\x86_64-windows\\msys2-20150512\\mingw32\\lib","--extra-lib-dirs=C:\\Users\\clint\\AppData\\Local\\Programs\\stack\\x86_64-windows\\msys2-20150512\\mingw64\\lib"] to ["--extra-lib-dirs=C:\\Users\\clint\\AppData\\Local\\Programs\\stack\\x86_64-windows\\msys2-20150512\\mingw32\\lib","--extra-lib-dirs=C:\\Users\\clint\\AppData\\Local\\Programs\\stack\\x86_64-