Add a target mostlyclean to Makefiles (cucumber#395)

* [Makefile] add a target mostlyclean

* [Makefile] remove external dependencies only with clean

* [Makefile] update CONTRIBUTING with mostlyclean

Author: fperrad

CONTRIBUTING.md

@@ -131,7 +131,7 @@ good), but writing a few during development might help you progress.
 You'll spend quite a bit of time fiddling with the `.razor` template to make it
 generate code that is syntactically correct.
 
-When you get to that stage, `make clean acceptance` will run the acceptance tests, which iterate
+When you get to that stage, `make mostlyclean acceptance` will run the acceptance tests, which iterate
 over all the `.feature` files under `../testdata`, passes them through your
 `bin/gherkin-generate-tokens` and `bin/gherkin-generate-ast` command-line programs,
 and compares the output using `diff`.

c/Makefile

@@ -56,9 +56,12 @@ clean-gherkin-languages: ## Remove gherkin-languages.json and any derived files
 	$(MAKE) --directory=src
 	touch $@
 
-clean:
+mostlyclean:
 	rm -rf .compared .built .run acceptance
-	$(MAKE) --directory=src $@
+	$(MAKE) --directory=src clean
+.PHONY: mostlyclean
+
+clean: mostlyclean ## Remove all build artifacts and files generated by the acceptance tests
 .PHONY: clean
 
 cli: ./include/rule_type.h src/parser.c src/dialect.c $(SRC_FILES) src/Makefile

cpp/Makefile

@@ -53,10 +53,13 @@ clean-gherkin-languages: ## Remove gherkin-languages.json and any derived files
 	echo "Nothing to do"
 .PHONY: clean-gherkin-languages
 
-clean: clean-deps ## Remove all build artifacts and files generated by the acceptance tests
+mostlyclean:
 	rm -rf .built .configured
 	rm -rf acceptance
 	rm -rf build
+.PHONY: mostlyclean
+
+clean: clean-deps mostlyclean ## Remove all build artifacts and files generated by the acceptance tests
 .PHONY: clean
 
 .DELETE_ON_ERROR:

dart/Makefile

@@ -23,8 +23,11 @@ clean-gherkin-languages: ## Remove gherkin-languages.json and any derived files
 	rm -f $(GHERKIN_LANGUAGES_JSON)
 .PHONY: clean-gherkin-languages
 
-clean:
+mostlyclean:
 	echo "Nothing to do"
+.PHONY: mostlyclean
+
+clean: mostlyclean
 .PHONY: clean
 
 acceptance:

dotnet/Makefile

@@ -37,11 +37,14 @@ clean-gherkin-languages: ## Remove gherkin-languages.json and any derived files
 	echo "Nothing to do"
 .PHONY: clean-gherkin-languages
 
-clean: ## Remove all build artifacts and files generated by the acceptance tests
+mostlyclean:
 	rm -f .built
 	rm -rf acceptance
 	rm -rf */bin
 	rm -rf */obj
+.PHONY: mostlyclean
+
+clean: mostlyclean ## Remove all build artifacts and files generated by the acceptance tests
 .PHONY: clean
 
 .DELETE_ON_ERROR:

elixir/Makefile

@@ -25,9 +25,12 @@ clean-gherkin-languages: ## Remove gherkin-languages.json and any derived files
 	rm -f $(GHERKIN_LANGUAGES_JSON)
 .PHONY: clean-gherkin-languages
 
-clean: ## Remove all build artifacts and files generated by the acceptance tests
+mostlyclean:
 	rm -rf acceptance
 	rm -rf _build
+.PHONY: mostlyclean
+
+clean: mostlyclean ## Remove all build artifacts and files generated by the acceptance tests
 	rm -rf deps
 .PHONY: clean
 

go/Makefile

@@ -37,10 +37,13 @@ clean-gherkin-languages: ## Remove gherkin-languages.json and any derived files
 	rm -f $(GHERKIN_LANGUAGES_JSON)
 .PHONY: clean-gherkin-languages
 
-clean: ## Remove all build artifacts and files generated by the acceptance tests
+mostlyclean:
 	rm -rf .built
 	rm -rf acceptance
 	rm -rf bin
+.PHONY: mostlyclean
+
+clean: mostlyclean ## Remove all build artifacts and files generated by the acceptance tests
 .PHONY: clean
 
 .DELETE_ON_ERROR:

java/Makefile

@@ -37,10 +37,13 @@ clean-gherkin-languages: ## Remove gherkin-languages.json and any derived files
 	echo "Nothing to do"
 .PHONY: clean-gherkin-languages
 
-clean: ## Remove all build artifacts and files generated by the acceptance tests
+mostlyclean:
 	rm -rf .built
 	rm -rf acceptance
 	rm -rf target
+.PHONY: mostlyclean
+
+clean: mostlyclean ## Remove all build artifacts and files generated by the acceptance tests
 .PHONY: clean
 
 .DELETE_ON_ERROR:

javascript/Makefile

@@ -35,10 +35,13 @@ clean-gherkin-languages: ## Remove gherkin-languages.json and any derived files
 	rm -f $(GHERKIN_LANGUAGES_JSON)
 .PHONY: clean-gherkin-languages
 
-clean: ## Remove all build artifacts and files generated by the acceptance tests
+mostlyclean:
 	rm -rf .built
 	rm -rf acceptance
 	rm -rf dist
+.PHONY: mostlyclean
+
+clean: mostlyclean ## Remove all build artifacts and files generated by the acceptance tests
 	rm -rf node_modules
 .PHONY: clean
 

objective-c/Makefile

@@ -47,10 +47,13 @@ acceptance/testdata/%.feature.errors.ndjson: ../testdata/%.feature ../testdata/%
 	bin/gherkin $< | jq --sort-keys --compact-output "." > $@
 	diff --unified <(jq "." $<.errors.ndjson) <(jq "." $@)
 
-clean:
+mostlyclean:
 	rm -rf .compared .built acceptance
 	rm -rf build/
 	rm -rf *~
+.PHONY: mostlyclean
+
+clean: mostlyclean
 .PHONY: clean
 
 clobber: clean