From a6f4ad6e1db14a824227c3cf260698ebfa4dbd03 Mon Sep 17 00:00:00 2001
From: "Roman C. Podolski" <roman.podolski@tum.de>
Date: Sun, 23 Jul 2017 15:20:26 +0800
Subject: [PATCH] Protoc: Fix bug in src-path

The tool was using an relative path for the includes, but an absolute
for the src-files. Protoc cannot distinguish between relative and
absolute paths and is not able to find sources when relative and
absolute paths are combined.

Tested with protoc 2.6.1, python 3.5.1
---
 waflib/extras/protoc.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/waflib/extras/protoc.py b/waflib/extras/protoc.py
index b5fed1fa..6ccfc6a2 100644
--- a/waflib/extras/protoc.py
+++ b/waflib/extras/protoc.py
@@ -35,8 +35,7 @@ Notes when using this tool:
 """
 
 class protoc(Task):
-	# protoc expects the input proto file to be an absolute path.
-	run_str = '${PROTOC} ${PROTOC_FLAGS} ${PROTOC_ST:INCPATHS} ${SRC[0].abspath()}'
+	run_str = '${PROTOC} ${PROTOC_FLAGS} ${PROTOC_ST:INCPATHS} ${SRC[0].bldpath()}'
 	color   = 'BLUE'
 	ext_out = ['.h', 'pb.cc']
 	def scan(self):