+dnl ** Building a Win32-friendlier compiler?
+dnl --------------------------------------------------------------
+AC_ARG_ENABLE(minimal-unix-deps,
+[ --enable-minimal-unix-deps
+ Build a compiler that minimizes dependencies on Unix-like tools
+ under Win32, allowing the user to operate the compiler without
+ having to install Cygwin toolchain (say). (You still need
+ that toolchain to build GHC from sources though).
+],
+[MinimalUnixDeps=YES],
+[MinimalUnixDeps=NO]
+)
+AC_SUBST(MinimalUnixDeps)
+