163 	  +(cd $(COMPARE_BUILD_OUTPUTDIR) && ./compare.sh --diffs $(COMPARE_BUILD_COMP_OPTS) \
164 	      -2dirs $(COMPARE_BUILD_OUTPUTDIR)/$(COMPARE_BUILD_COMP_DIR) \
165 	      $(OUTPUTDIR)/$(COMPARE_BUILD_COMP_DIR) $(COMPARE_BUILD_IGNORE_RESULT)), \
166 	  +(cd $(COMPARE_BUILD_OUTPUTDIR) && ./compare.sh --diffs $(COMPARE_BUILD_COMP_OPTS) \
167 	      -o $(OUTPUTDIR) $(COMPARE_BUILD_IGNORE_RESULT)) \
168 	)
169 endef
170 
171 define PrintFailureReports
172 	$(if $(filter none, $(LOG_REPORT)), , \
173 	  $(RM) $(MAKESUPPORT_OUTPUTDIR)/failure-summary.log ; \
174 	  $(if $(wildcard $(MAKESUPPORT_OUTPUTDIR)/failure-logs/*.log), \
175 	    ( \
176 	      $(ECHO) "" ; \
177 	      $(ECHO) "=== Output from failing command(s) repeated here ===" ;  \
178 	      $(foreach logfile, $(sort $(wildcard $(MAKESUPPORT_OUTPUTDIR)/failure-logs/*.log)), \
179 	          $(ECHO) "* For target $(notdir $(basename $(logfile))):" ; \
180 	          $(if $(filter all, $(LOG_REPORT)), \
181 	            $(GREP) -v -e "^Note: including file:" <  $(logfile) || true ; \
182 	          , \
183 	            ($(GREP) -v -e "^Note: including file:" <  $(logfile) || true) | $(HEAD) -n 15 ; \
184 	            if test `$(WC) -l < $(logfile)` -gt 15; then \
185 	              $(ECHO) "   ... (rest of output omitted)" ; \
186 	            fi ; \
187 	          ) \
188 	      ) \
189 	      $(ECHO) "" ; \
190 	      $(ECHO) "* All command lines available in $(MAKESUPPORT_OUTPUTDIR)/failure-logs." ; \
191 	      $(ECHO) "=== End of repeated output ===" ; \
192 	    )  >> $(MAKESUPPORT_OUTPUTDIR)/failure-summary.log  \
193 	  ) \
194 	)
195 endef
196 
197 define PrintBuildLogFailures
198 	$(if $(filter none, $(LOG_REPORT)), , \
199 	  if $(GREP) -q "recipe for target .* failed" $(BUILD_LOG) 2> /dev/null; then  \
200 	    $(ECHO) "" ; \
201 	    $(ECHO) "=== Make failed targets repeated here ===" ; \
202 	    $(GREP) "recipe for target .* failed" $(BUILD_LOG) ; \
203 	    $(ECHO) "=== End of repeated output ===" ; \

163 	  +(cd $(COMPARE_BUILD_OUTPUTDIR) && ./compare.sh --diffs $(COMPARE_BUILD_COMP_OPTS) \
164 	      -2dirs $(COMPARE_BUILD_OUTPUTDIR)/$(COMPARE_BUILD_COMP_DIR) \
165 	      $(OUTPUTDIR)/$(COMPARE_BUILD_COMP_DIR) $(COMPARE_BUILD_IGNORE_RESULT)), \
166 	  +(cd $(COMPARE_BUILD_OUTPUTDIR) && ./compare.sh --diffs $(COMPARE_BUILD_COMP_OPTS) \
167 	      -o $(OUTPUTDIR) $(COMPARE_BUILD_IGNORE_RESULT)) \
168 	)
169 endef
170 
171 define PrintFailureReports
172 	$(if $(filter none, $(LOG_REPORT)), , \
173 	  $(RM) $(MAKESUPPORT_OUTPUTDIR)/failure-summary.log ; \
174 	  $(if $(wildcard $(MAKESUPPORT_OUTPUTDIR)/failure-logs/*.log), \
175 	    ( \
176 	      $(ECHO) "" ; \
177 	      $(ECHO) "=== Output from failing command(s) repeated here ===" ;  \
178 	      $(foreach logfile, $(sort $(wildcard $(MAKESUPPORT_OUTPUTDIR)/failure-logs/*.log)), \
179 	          $(ECHO) "* For target $(notdir $(basename $(logfile))):" ; \
180 	          $(if $(filter all, $(LOG_REPORT)), \
181 	            $(GREP) -v -e "^Note: including file:" <  $(logfile) || true ; \
182 	          , \
183 	            ($(GREP) -v -e "^Note: including file:" <  $(logfile) || true); \
184 	            if test `$(WC) -l < $(logfile)` -gt 15; then \
185 	              $(ECHO) "   ... (rest of output omitted)" ; \
186 	            fi ; \
187 	          ) \
188 	      ) \
189 	      $(ECHO) "" ; \
190 	      $(ECHO) "* All command lines available in $(MAKESUPPORT_OUTPUTDIR)/failure-logs." ; \
191 	      $(ECHO) "=== End of repeated output ===" ; \
192 	    )  >> $(MAKESUPPORT_OUTPUTDIR)/failure-summary.log  \
193 	  ) \
194 	)
195 endef
196 
197 define PrintBuildLogFailures
198 	$(if $(filter none, $(LOG_REPORT)), , \
199 	  if $(GREP) -q "recipe for target .* failed" $(BUILD_LOG) 2> /dev/null; then  \
200 	    $(ECHO) "" ; \
201 	    $(ECHO) "=== Make failed targets repeated here ===" ; \
202 	    $(GREP) "recipe for target .* failed" $(BUILD_LOG) ; \
203 	    $(ECHO) "=== End of repeated output ===" ; \