+ifeq "$(GhcBuildDylibs)" "YES"
+
+ # Build dynamic libraries.
+ # Currently, this is a hack. Anyone, PLEASE clean it up.
+
+ # For now, we pretend that there are two operating systems in the world;
+ # Darwin, and Everything Else. Furthermore, we pretend that Everything Else
+ # behaves like Linux.
+
+ifeq "$(darwin_TARGET_OS)" "1"
+ # Darwin: Shared libraries end in .dylib
+DYLD_LIBRARY = $(patsubst %.a,%_dyn.dylib,$(LIBRARY))
+
+ # About the options used for Darwin:
+ # -dynamiclib
+ # Apple's way of saying -shared
+ # -flat_namespace -undefined suppress:
+ # Without these options, we'd have to specify the correct dependencies
+ # for each of the dylibs. Twolevel namespaces are in general a good thing
+ # (they make things more robust), so we should fix this sooner or later.
+ # -install_name
+ # Causes the dynamic linker to ignore the DYLD_LIBRARY_PATH when loading
+ # this lib and instead look for it at its absolute path.
+ # When installing the .dylibs (see target.mk), we'll change that path to
+ # point to the place they are installed.
+ # Note: I'm not yet sure about this, but I think it will be convenient for
+ # users not to have to set up DYLD_LIBRARY_PATH to point to the GHC
+ # library dir. -- Wolfgang
+
+$(DYLD_LIBRARY) : $(LIBOBJS) $(STUBOBJS)
+ $(CC) -dynamiclib -o $@ $(STUBOBJS) $(LIBOBJS) -flat_namespace -undefined suppress -install_name `pwd`/$@
+else
+DYLD_LIBRARY = $(patsubst %.a,%_dyn.so,$(LIBRARY))
+
+$(DYLD_LIBRARY) : $(LIBOBJS) $(STUBOBJS)
+ $(CC) -shared -o $@ $(STUBOBJS) $(LIBOBJS)
+endif
+
+INSTALL_LIBS += $(DYLD_LIBRARY)
+CLEAN_FILES += $(DYLD_LIBRARY)
+
+all :: $(DYLD_LIBRARY)
+
+
+endif
+
+# -----------------------------------------------------------------------------
+# Doc building with Haddock
+
+ifneq "$(NO_HADDOCK_DOCS)" "YES"
+
+HS_PPS = $(addsuffix .raw-hs, $(basename $(filter-out $(EXCLUDED_HADDOCK_SRCS), $(HS_SRCS))))
+
+HTML_DIR = html
+HTML_DOC = $(HTML_DIR)/haddock.css $(HTML_DIR)/haddock.js
+
+ifneq "$(HS_PPS)" ""
+
+CLEAN_FILES += $(HS_PPS) $(addsuffix .tmp, $(HS_SRCS))
+
+ifeq "$(HADDOCK)" ""
+html ::
+ @echo Haddock must be installed in order to build HTML library documentation.
+ @echo Please install Haddock and re-configure.
+ @exit 1
+endif
+
+html :: $(HTML_DOC)
+
+extraclean ::
+ $(RM) -rf $(HTML_DIR)
+
+$(HTML_DOC) : $(HS_PPS)
+ @$(INSTALL_DIR) $(HTML_DIR)
+ $(HADDOCK) $(HADDOCK_OPTS) -h -o $(HTML_DIR) $(HS_PPS) \
+ --package=$(PACKAGE) \
+ --dump-interface=$(PACKAGE).haddock \
+ --use-index=../doc-index.html --use-contents=../index.html \
+ $(foreach pkg, $(PACKAGE_DEPS), \
+ --read-interface=../$(pkg),../$(pkg)/$(pkg).haddock)
+
+CLEAN_FILES += $(PACKAGE).haddock
+
+%.raw-hs : %.lhs
+ $(HC) $(HC_OPTS) -D__HADDOCK__ -E -optP-P $< -o $@
+
+%.raw-hs : %.hs
+ $(HC) $(HC_OPTS) -D__HADDOCK__ -E -optP-P $< -o $@
+
+install-docs :: $(HTML_DOC)
+ @$(INSTALL_DIR) $(datadir)/html/libraries/$(PACKAGE)
+ @for i in $(HTML_DIR)/*; do \
+ echo $(INSTALL_DATA) $(INSTALL_OPTS) $$i $(datadir)/html/libraries/$(PACKAGE); \
+ $(INSTALL_DATA) $(INSTALL_OPTS) $$i $(datadir)/html/libraries/$(PACKAGE); \
+ done
+ $(INSTALL_DATA) $(INSTALL_OPTS) $(PACKAGE).haddock $(datadir)/html/libraries/$(PACKAGE)
+
+endif # HS_PPS
+endif # NO_HADDOCK_DOCS
+
+# -----------------------------------------------------------------------------
+