PKG_DEPENDS += base haskell98
# We have to expand each package dependency with its version, which we
# can do by calling "ghc-pkg list $pkg --simple-output".
-PACKAGE_CPP_OPTS += -DPKG_DEPENDS='$(foreach pkg,$(PKG_DEPENDS),$(shell $(GHC_PKG_INPLACE) list $(pkg) --simple-output))'
+PACKAGE_CPP_OPTS += -DPKG_DEPENDS='$(foreach pkg,$(PKG_DEPENDS),$(shell $(GHC_PKG_INPLACE) latest --global $(pkg)))'
PACKAGE_CPP_OPTS += -DSTAGE='"$(stage)"'
# Omit Main from the library, the client will want to plug their own Main in