+# 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
+ if ifBuildable/ifBuildable $*; then \
+ cd $* && \
+ $(MAKE) $(MFLAGS) && \
+ setup/Setup register --inplace; \
+ fi
+
+# Build the library using 'setup build' (not the default)