[ci] refs #1 - Initial Makefile including following targets:

- help
- install-deps-{go,js,nanopb} : Install dependencies for language-specific code generation
- build-{go,js,nanopb} : Generate source for a given language

.gitignore

@@ -0,0 +1,7 @@
+
+# Temporary files
+*.swp
+*.swo
+*.orig
+.DS_Store
+

Makefile

@@ -0,0 +1,64 @@
+.DEFAULT_GOAL := help
+.PHONY: help
+.PHONY: build-go   build-js   build-nanopb
+.PHONY: install-go install-js install-nanopb
+
+REPO_ROOT := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
+
+UNAME_S = $(shell uname -s)
+
+ifeq ($(TRAVIS),true)
+  OS_NAME=$(TRAVIS_OS_NAME)
+else ifeq ($(UNAME_S,Linux))
+  OS_NAME=linux
+else ifeq ($(UNAME_S,Darwin))
+  OS_NAME=osx
+endif
+
+PROTOB_SPEC_DIR = $(REPO_ROOT)/protob
+
+PROTOC_VERSION ?= 3.6.1
+PROTOC_ZIP ?= protoc-$(PROTOC_VERSION)-$(OS_NAME)-x86_64.zip
+PROTOC_URL ?= https://github.com/google/protobuf/releases/download/v$(PROTOC_VERSION)/$(PROTOC_ZIP)
+
+PROTO_FILES = $(shell find $(PROTOB_SPEC_DIR) -type f -name "*.go")
+
+all: build-go build-js build-nanopb ## Generate protobuf classes for all languages
+
+install-protoc:
+	echo "Downloading protobuf from $(PROTOC_URL)"
+	curl -OL $(PROTOC_URL)
+	"Installing protoc"
+	sudo unzip -o $(PROTOC_ZIP) -d /usr/local bin/protoc
+	rm -f $(PROTOC_ZIP)
+
+#----------------
+# Go lang
+#----------------
+
+install-deps-go: install-protoc ## Install tools to generate protobuf classes for go lang
+	git clone --branch v1.2.0 --depth 1 https://github.com/gogo/protobuf $(GOPATH)/src/github.com/gogo/protobuf
+	( cd $(GOPATH)/src/github.com/gogo/protobuf/protoc-gen-gogofast && go install )
+
+build-go: install-go ## Generate protobuf classes for go lang
+	protoc -I protob  --gogofast_out=go/ device-wallet/messages/messages.proto device-wallet/messages/types.proto device-wallet/messages/descriptor.proto
+
+#----------------
+# Javascript
+#----------------
+
+install-deps-js: ## Install tools to generate protobuf classes for javascript
+
+build-js: install-js ## Generate protobuf classes for javascript
+
+#----------------
+# C with nanopb
+#----------------
+
+install-deps-nanopb: ## Install tools to generate protobuf classes for C with nanopb
+
+build-nanopb: install-nanopb ## Generate protobuf classes for C with nanopb
+
+help:
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+