From 7135e2797a80f224541080117313088273f02cad Mon Sep 17 00:00:00 2001
From: Petteri Aimonen <jpa@git.mail.kapsi.fi>
Date: Sun, 4 Jan 2015 20:00:37 +0200
Subject: [PATCH] Only run oneof test when protoc >= 2.6 is available

---
 tests/SConstruct       |  7 +++++++
 tests/oneof/SConscript | 35 ++++++++++++++++++++---------------
 2 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/tests/SConstruct b/tests/SConstruct
index 9c222daa..61ce0c37 100644
--- a/tests/SConstruct
+++ b/tests/SConstruct
@@ -72,6 +72,13 @@ if not env.GetOption('clean'):
     else:
         conf.env.Append(PROTOCPATH = '/usr/include')
     
+    # Check protoc version
+    status, output = conf.TryAction('protoc --version')
+    if status:
+        conf.env.Append(PROTOC_VERSION = output)
+    else:
+        conf.env.Append(PROTOC_VERSION = "")
+
     # Check if libmudflap is available (only with GCC)
     if 'gcc' in env['CC']:
         if conf.CheckLib('mudflap'):
diff --git a/tests/oneof/SConscript b/tests/oneof/SConscript
index 19845278..95f451cb 100644
--- a/tests/oneof/SConscript
+++ b/tests/oneof/SConscript
@@ -2,21 +2,26 @@
 
 Import('env')
 
-env.NanopbProto('oneof')
+import re
+version = re.search('([0-9]+).([0-9]+).([0-9]+)', 'libprotoc 3.0.0').groups()
 
-enc = env.Program(['encode_oneof.c',
-                   'oneof.pb.c',
-                   '$COMMON/pb_encode.o',
-                   '$COMMON/pb_common.o'])
+# Oneof is supported by protoc >= 2.6.0
+if int(version[0]) > 2 or (int(version[0]) == 2 and int(version[1]) >= 6):
+    env.NanopbProto('oneof')
 
-dec = env.Program(['decode_oneof.c',
-                   'oneof.pb.c',
-                   '$COMMON/pb_decode.o',
-                   '$COMMON/pb_common.o'])
+    enc = env.Program(['encode_oneof.c',
+                    'oneof.pb.c',
+                    '$COMMON/pb_encode.o',
+                    '$COMMON/pb_common.o'])
 
-env.RunTest("message1.pb", enc, ARGS = ['1'])
-env.RunTest("message1.txt", [dec, 'message1.pb'], ARGS = ['1'])
-env.RunTest("message2.pb", enc, ARGS = ['2'])
-env.RunTest("message2.txt", [dec, 'message2.pb'], ARGS = ['2'])
-env.RunTest("message3.pb", enc, ARGS = ['3'])
-env.RunTest("message3.txt", [dec, 'message3.pb'], ARGS = ['3'])
+    dec = env.Program(['decode_oneof.c',
+                    'oneof.pb.c',
+                    '$COMMON/pb_decode.o',
+                    '$COMMON/pb_common.o'])
+
+    env.RunTest("message1.pb", enc, ARGS = ['1'])
+    env.RunTest("message1.txt", [dec, 'message1.pb'], ARGS = ['1'])
+    env.RunTest("message2.pb", enc, ARGS = ['2'])
+    env.RunTest("message2.txt", [dec, 'message2.pb'], ARGS = ['2'])
+    env.RunTest("message3.pb", enc, ARGS = ['3'])
+    env.RunTest("message3.txt", [dec, 'message3.pb'], ARGS = ['3'])
-- 
2.16.6