From be9ab3da2417057ca311ce44304c04739ac6475e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Wed, 28 Nov 2018 14:10:37 +0100
Subject: Add built-in support for gpb for building proto files

When gpb is found in DEPS or BUILD_DEPS then it is used
instead of erlang_protobuffs.
---
 plugins/protobuffs.mk | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'plugins/protobuffs.mk')

diff --git a/plugins/protobuffs.mk b/plugins/protobuffs.mk
index 8eac4d8..2719c01 100644
--- a/plugins/protobuffs.mk
+++ b/plugins/protobuffs.mk
@@ -28,14 +28,27 @@ $(ERLANG_MK_TMP)/last-makefile-change-protobuffs: $(filter-out $(PROJECT).d,$(MA
 $(PROJECT).d:: $(ERLANG_MK_TMP)/last-makefile-change-protobuffs
 endif
 
+ifeq ($(filter gpb,$(BUILD_DEPS) $(DEPS)),)
 define compile_proto.erl
 	[begin
-		protobuffs_compile:generate_source(F,
-			[{output_include_dir, "./include"},
-				{output_src_dir, "./src"}])
+		protobuffs_compile:generate_source(F, [
+			{output_include_dir, "./include"},
+			{output_src_dir, "./src"}])
 	end || F <- string:tokens("$1", " ")],
 	halt().
 endef
+else
+define compile_proto.erl
+	[begin
+		gpb_compile:file(F, [
+			{include_as_lib, true},
+			{module_name_suffix, "_pb"},
+			{o_hrl, "./include"},
+			{o_erl, "./src"}])
+	end || F <- string:tokens("$1", " ")],
+	halt().
+endef
+endif
 
 $(PROJECT).d:: $(PROTO_FILES)
 	$(verbose) mkdir -p ebin/ include/
-- 
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