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e12c4094 AO |
1 | # This BUILD_CONFIG option is a bit like bootstrap-debug, but rather |
2 | # than comparing stripped object files, it compares compiler internal | |
3 | # state during stage3. Both can be used simultaneously. | |
b5b8b0ac | 4 | |
e12c4094 AO |
5 | # This makes it slower than bootstrap-debug alone, for there's |
6 | # additional dumping and recompilation during stage3. | |
7 | # bootstrap-debug-big can avoid the recompilation, if plenty of disk | |
8 | # space is available. | |
b5b8b0ac | 9 | |
e12c4094 | 10 | STAGE2_CFLAGS += -fcompare-debug= |
b5b8b0ac | 11 | STAGE3_CFLAGS += -fcompare-debug |
3267bd36 | 12 | do-compare = $(SHELL) $(srcdir)/contrib/compare-debug $$f1 $$f2 |