+# Build the library using 'make'
+$(foreach SUBDIR,$(SUBDIRS),make.library.$(SUBDIR)):\
+make.library.%: stamp/configure.library.build$(CONFIGURE_STAMP_EXTRAS).% \
+ %/GNUmakefile \
+ %/setup/Setup ifBuildable/ifBuildable
+ ifBuildable/ifBuildable $* $(MAKE)
+ ifBuildable/ifBuildable $* setup/Setup register --inplace
+
+# Build the library using 'setup build' (not the default)