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-rw-r--r--config/bootstrap-debug-lean.mk11
1 files changed, 11 insertions, 0 deletions
diff --git a/config/bootstrap-debug-lean.mk b/config/bootstrap-debug-lean.mk
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+++ b/config/bootstrap-debug-lean.mk
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+# 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 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.
+
+STAGE2_CFLAGS += -gtoggle -fcompare-debug=
+STAGE3_CFLAGS += -fcompare-debug
+do-compare = $(SHELL) $(srcdir)/contrib/compare-debug $$f1 $$f2
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