PKG_DEPENDS += readline
endif
else
--include $(FPTOOLS_TOP_ABS)/libraries/readline/config.mk
-# readline's config.mk sets PACKAGE, which we don't want here
-PACKAGE=
-ifeq "$(READLINE_BUILD_PACKAGE)" "yes"
+ifeq "$(wildcard $(FPTOOLS_TOP_ABS)/libraries/readline/unbuildable)" ""
SRC_HC_OPTS += -package readline -DUSE_READLINE
PKG_DEPENDS += readline
endif
HIERARCHICAL_LIB = NO
VERSION = $(ProjectVersion)
PKG_DEPENDS += base haskell98
-PACKAGE_CPP_OPTS += -DPKG_DEPENDS='$(PKG_DEPENDS)'
+# 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) latest --global $(pkg)))'
PACKAGE_CPP_OPTS += -DSTAGE='"$(stage)"'
# Omit Main from the library, the client will want to plug their own Main in