New collector configuration: generational-pcc

Author: wingo

Makefile

@@ -2,7 +2,9 @@ TESTS = quads mt-gcbench ephemerons finalizers
 COLLECTORS = \
 	bdw \
 	semi \
+	\
 	pcc \
+	generational-pcc \
 	\
 	mmc \
 	stack-conservative-mmc \
@@ -64,9 +66,13 @@ GC_STEM_semi       = semi
 GC_CFLAGS_semi     = -DGC_PRECISE_ROOTS=1
 GC_LIBS_semi       = -lm
 
-GC_STEM_pcc       = pcc
-GC_CFLAGS_pcc     = -DGC_PRECISE_ROOTS=1 -DGC_PARALLEL=1
-GC_LIBS_pcc       = -lm
+GC_STEM_pcc        = pcc
+GC_CFLAGS_pcc      = -DGC_PRECISE_ROOTS=1 -DGC_PARALLEL=1
+GC_LIBS_pcc        = -lm
+
+GC_STEM_generational_pcc   = $(GC_STEM_pcc)
+GC_CFLAGS_generational_pcc = $(GC_CFLAGS_pcc) -DGC_GENERATIONAL=1
+GC_LIBS_generational_pcc   = $(GC_LIBS_pcc)
 
 define mmc_variant
 GC_STEM_$(1)       = mmc