1 1.1 mrg # This BUILD_CONFIG option is a bit like bootstrap-debug, but rather 2 1.1 mrg # than comparing stripped object files, it compares compiler internal 3 1.1 mrg # state during stage3. Both can be used simultaneously. 4 1.1 mrg 5 1.1 mrg # This makes it slower than bootstrap-debug alone, for there's 6 1.1 mrg # additional dumping and recompilation during stage3. 7 1.1 mrg # bootstrap-debug-big can avoid the recompilation, if plenty of disk 8 1.1 mrg # space is available. 9 1.1 mrg 10 1.1 mrg STAGE2_CFLAGS += -fcompare-debug= 11 1.1 mrg STAGE3_CFLAGS += -fcompare-debug 12 1.1.1.4 mrg do-compare = $(SHELL) $(srcdir)/contrib/compare-debug $$f1 $$f2 13