actually build the tests.

ef/gc/test/Makefile

@@ -1,4 +1,27 @@
 DEPTH = ../..
 
-include manifest.mn
+include $(DEPTH)/config/config.mk
+
+CSRCS = \
+	alloc.c \
+	buckets.c \
+	divtest.c \
+	hashtable.cpp	\
+	maltest.c \
+	pagetest.c \
+	simpletest.c \
+	smtest.c
+
+PROGS = $(addprefix $(OBJDIR)/, $(CSRCS:.c=$(PROG_SUFFIX)))
+
+TARGETS = $(PROGS)
+
+REQUIRES = sm
+
+LDFLAGS += -L$(DIST)/lib
+
+LIBRARIES= sm
+
 include $(DEPTH)/config/rules.mk
+
+LDFLAGS += $(NSPR_LIBS)