tools: enable caching for jslint task

PR-URL: nodejs#8296
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>

.gitignore

@@ -19,6 +19,7 @@ node_g
 /.project
 /.cproject
 icu_config.gypi
+.eslintcache
 
 /out
 

Makefile

@@ -678,7 +678,8 @@ bench: bench-net bench-http bench-fs bench-tls
 bench-ci: bench
 
 jslint:
-	$(NODE) tools/jslint.js -J benchmark lib test tools
+	$(NODE) tools/eslint/bin/eslint.js --cache --rulesdir=tools/eslint-rules \
+	  benchmark lib test tools
 
 jslint-ci:
 	$(NODE) tools/jslint.js $(PARALLEL_ARGS) -f tap -o test-eslint.tap \

vcbuild.bat

@@ -363,7 +363,7 @@ if defined jslint_ci goto jslint-ci
 if not defined jslint goto exit
 if not exist tools\eslint\lib\eslint.js goto no-lint
 echo running jslint
-%config%\node tools\jslint.js -J benchmark lib test tools
+%config%\node tools\eslint\bin\eslint.js --cache --rulesdir=tools\eslint-rules benchmark lib test tools
 goto exit
 
 :jslint-ci