We can avoid the need for a
configure script for
ghc by using the headers shipped along with the
rts package, as obtained using
ghc-pkg field rts include-dirs.
This is OK since we will only support reinstalling the same version of GHC as has been originally installed. Also, a reinstallable
rts is not presently in scope.
For cross compilation purposes,
ghc-pkg field rts ... just needs to point to the
rts library for the target platform.
rtsincludes instead of a relative include to