| 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. |
| 4 | |
| 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. |
| 9 | |
| 10 | STAGE2_CFLAGS += -fcompare-debug= |
| 11 | STAGE3_CFLAGS += -fcompare-debug |
| 12 | do-compare = $(SHELL) $(srcdir)/contrib/compare-debug $$f1 $$f2 |