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-rw-r--r--config/bootstrap-debug.mk12
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diff --git a/config/bootstrap-debug.mk b/config/bootstrap-debug.mk
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+# This BUILD_CONFIG option builds checks that toggling debug
+# information generation doesn't affect the generated object code.
+
+# It is very lightweight: in addition to not performing any additional
+# compilation (unlike bootstrap-debug-lean), it actually speeds up
+# stage2, for no debug information is generated when compiling with
+# the unoptimized stage1.
+
+# For more thorough testing, see bootstrap-debug-lean.mk
+
+STAGE2_CFLAGS += -gtoggle
+do-compare = $(SHELL) $(srcdir)/contrib/compare-debug $$f1 $$f2