+# The .a/.so library file, indexed by two different sets of vars:
+# the first is indexed by the dir, distdir and way
+# the second is indexed by the package id, distdir and way
+$1_$2_$3_LIB = $1/$2/build/libHS$$($1_PACKAGE)-$$($1_$2_VERSION)$$($3_libsuf)
+$$($1_PACKAGE)-$($1_$2_VERSION)_$2_$3_LIB = $$($1_$2_$3_LIB)
+
+# hack: the DEPS_LIBS mechanism assumes that the distdirs for packges
+# that depend on each other are the same, but that is not the case for
+# ghc where we use stage1/stage2 rather than dist/dist-install.
+# Really we should use a consistent scheme for distdirs, but in the
+# meantime we work around it by defining ghc-<ver>_dist-install_way_LIB:
+ifeq "$$($1_PACKAGE) $2" "ghc stage2"
+$$($1_PACKAGE)-$($1_$2_VERSION)_dist-install_$3_LIB = $$($1_$2_$3_LIB)
+endif
+
+# All the .a/.so library file dependencies for this library
+$1_$2_$3_DEPS_LIBS=$$(foreach dep,$$($1_$2_DEPS),$$($$(dep)_$2_$3_LIB))
+
+ifeq "$$(BootingFromHc)" "YES"
+$1_$2_$3_C_OBJS += $$(shell $$(FIND) $1/$2/build -name "*_stub.c" -print | sed 's/c$$$$/o/')
+endif
+
+$1_$2_$3_NON_HS_OBJS = $$($1_$2_$3_CMM_OBJS) $$($1_$2_$3_C_OBJS) $$($1_$2_$3_S_OBJS) $$($1_$2_EXTRA_OBJS)
+$1_$2_$3_ALL_OBJS = $$($1_$2_$3_HS_OBJS) $$($1_$2_$3_NON_HS_OBJS)
+
+# The quadrupled $'s here are because the _v_LIB variables aren't
+# necessarily set when this part of the makefile is read.
+# These deps aren't technically necessary in themselves, but they
+# turn the dependencies of programs on libraries into transitive
+# dependencies.
+ifeq "$4" "0"
+$$($1_$2_$3_LIB) : $$(foreach dep,$$($1_$2_DEP_NAMES),$$$$(libraries/$$(dep)_dist-boot_v_LIB))
+else
+$$($1_$2_$3_LIB) : $$(foreach dep,$$($1_$2_DEP_NAMES),$$$$(libraries/$$(dep)_dist-install_v_LIB))
+endif