-# This BUILD_CONFIG option is a bit like bootstrap-debug, but in
-# addition to comparing stripped object files, it also compares
-# compiler internal state during stage3.
+# This BUILD_CONFIG option is a bit like bootstrap-debug, but rather
+# than comparing stripped object files, it compares compiler internal
+# state during stage3. Both can be used simultaneously.
-# This makes it slower than bootstrap-debug, for there's additional
-# dumping and recompilation during stage3. bootstrap-debug-big can
-# avoid the recompilation, if plenty of disk space is available.
+# This makes it slower than bootstrap-debug alone, for there's
+# additional dumping and recompilation during stage3.
+# bootstrap-debug-big can avoid the recompilation, if plenty of disk
+# space is available.
-STAGE2_CFLAGS += -gtoggle -fcompare-debug=
+STAGE2_CFLAGS += -fcompare-debug=
STAGE3_CFLAGS += -fcompare-debug
-do-compare = $(SHELL) $(srcdir)/contrib/compare-debug $$f1 $$f2