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Commit 3388ec10 authored by Ian Lynagh's avatar Ian Lynagh
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Add a $(MAKE_RESTARTS) check to ghc.mk 

This should catch make going into an infinite loop.
parent e946a8b1
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ghc.mk
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...@@ -85,6 +85,14 @@ ...@@ -85,6 +85,14 @@
default : all default : all
# Catch make if it runs away into an infinite loop
ifeq "$(MAKE_RESTARTS)" ""
else ifeq "$(MAKE_RESTARTS)" "1"
else ifeq "$(MAKE_RESTARTS)" "2"
else
$(error Make has restarted itself $(MAKE_RESTARTS) times; is there a makefile bug?)
endif
# Just bring makefiles up to date: # Just bring makefiles up to date:
.PHONY: just-makefiles .PHONY: just-makefiles
just-makefiles: just-makefiles:
......
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