From 245fa2c0b8eff5cbd1fbf07cec78d3005eeded0f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Sat, 16 May 2015 12:34:08 +0300
Subject: Add protobuffs plugin to compile *.proto files

---
 plugins/protobuffs.mk | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 plugins/protobuffs.mk

(limited to 'plugins')

diff --git a/plugins/protobuffs.mk b/plugins/protobuffs.mk
new file mode 100644
index 0000000..e3e58f5
--- /dev/null
+++ b/plugins/protobuffs.mk
@@ -0,0 +1,31 @@
+# Copyright (c) 2015, Loïc Hoguin <essen@ninenines.eu>
+# This file is part of erlang.mk and subject to the terms of the ISC License.
+
+# Verbosity.
+
+proto_verbose_0 = @echo " PROTO " $(filter %.proto,$(?F));
+proto_verbose = $(proto_verbose_$(V))
+
+# Core targets.
+
+define compile_proto
+	@mkdir -p ebin/ include/
+	$(proto_verbose) $(call erlang,$(call compile_proto.erl,$(1)))
+	$(proto_verbose) erlc $(ERLC_OPTS) -o ebin/ ebin/*.erl
+	@rm ebin/*.erl
+endef
+
+define compile_proto.erl
+	[begin
+		Dir = filename:dirname(filename:dirname(F)),
+		protobuffs_compile:generate_source(F,
+			[{output_include_dir, Dir ++ "/include"},
+				{output_src_dir, Dir ++ "/ebin"}])
+	end || F <- string:tokens("$(1)", " ")],
+	halt().
+endef
+
+ifneq ($(wildcard src/),)
+ebin/$(PROJECT).app:: $(shell find src -type f -name \*.proto 2>/dev/null)
+	$(if $(strip $?),$(call compile_proto,$?))
+endif
-- 
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