Ignore modification time of the web files when building static assets

Makefile

@@ -6,7 +6,7 @@ ldflags="-X main.Version=`git describe --tags`"
 
 .PHONY: help
 help: ## Get help
-	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-10s\033[0m %s\n", $$1, $$2}'
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN (FS = ":.*?## "); (printf "\033[36m%-10s\033[0m %s\n", $$1, $$2)'
 
 .PHONY: all
 all: install build ## Install dependencies & build all targets
@@ -23,34 +23,34 @@ build: web rcoredumpd rcoredump monkey ## Build all targets
 
 .PHONY: serve
 serve: ## Run the web interface
-	./node_modules/.bin/parcel -d ${build_dir}/web/ web/index_dev.html --host 0.0.0.0
+	./node_modules/.bin/parcel -d $(build_dir)/web/ web/index_dev.html --host 0.0.0.0
 
 .PHONY: web
 web: ## Build the web interface
-	rm -rf ${build_dir}/web
-	./node_modules/.bin/parcel build -d ${build_dir}/web/ web/index.html
-	rm -rf ${bin_dir}/rcoredumpd/internal
-	statik -f -src ${build_dir}/web -dest ${bin_dir}/rcoredumpd/ -p internal
+	rm -rf $(build_dir)/web
+	./node_modules/.bin/parcel build -d $(build_dir)/web/ web/index.html
+	rm -rf $(bin_dir)/rcoredumpd/internal
+	statik -f -src $(build_dir)/web -dest $(bin_dir)/rcoredumpd/ -p internal -m
 
 .PHONY: rcoredumpd
 rcoredumpd: ## Build the server
-	go build -o ${build_dir} -ldflags $(ldflags) ${bin_dir}/rcoredumpd
+	go build -o $(build_dir) -ldflags $(ldflags) $(bin_dir)/rcoredumpd
 
 .PHONY: rcoredump
 rcoredump: ## Build the client
-	go build -o ${build_dir} -ldflags $(ldflags) ${bin_dir}/rcoredump
+	go build -o $(build_dir) -ldflags $(ldflags) $(bin_dir)/rcoredump
 
 .PHONY: monkey
 monkey: ## Build the test crashers
-	go build -o ${build_dir} ${bin_dir}/monkey-go
-	gcc -o ${build_dir}/monkey-c ${bin_dir}/monkey-c/*.c
+	go build -o $(build_dir) $(bin_dir)/monkey-go
+	gcc -o $(build_dir)/monkey-c $(bin_dir)/monkey-c/*.c
 
 targets=linux/amd64,linux/386
 pkg=github.com/elwinar/rcoredump/bin
 
 .PHONY: release
 release: ## Build the release files
-	rm -rf ${release_dir}
-	xgo --dest=${release_dir} --targets=$(targets) --ldflags=$(ldflags) $(pkg)/rcoredumpd
-	xgo --dest=${release_dir} --targets=$(targets) --ldflags=$(ldflags) $(pkg)/rcoredump
+	rm -rf $(release_dir)
+	xgo --dest=$(release_dir) --targets=$(targets) --ldflags=$(ldflags) $(pkg)/rcoredumpd
+	xgo --dest=$(release_dir) --targets=$(targets) --ldflags=$(ldflags) $(pkg)/rcoredump