buildroot/package/ola/0001-Fix-finding-ola_protoc_plugin-when-cross-compiling.patch

From 0b0797af43c78f199e3f2782873dad3c37d323dd Mon Sep 17 00:00:00 2001
From: Simon Marchi <simon.marchi@polymtl.ca>
Date: Wed, 28 Jan 2015 22:23:32 -0500
Subject: [PATCH] Fix finding ola_protoc_plugin when cross-compiling

It seems like the recent changes concerning ola_protoc did not take into
account cross-compiling.
---
 common/rpc/RpcService.h |  2 +-
 config/ola.m4           | 18 +++++++++---------
 protoc/Makefile.mk      | 10 +++++-----
 3 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/common/rpc/RpcService.h b/common/rpc/RpcService.h
index f5d428b..3e20dbc 100644
--- a/common/rpc/RpcService.h
+++ b/common/rpc/RpcService.h
@@ -17,7 +17,7 @@
  * Interface for the RpcService.
  * Copyright (C) 2013 Simon Newton
  *
- * All Services generated by ola_protoc inherit from this one.
+ * All Services generated by the ola protoc plugin inherit from this one.
  */
 
 #ifndef COMMON_RPC_RPCSERVICE_H_
diff --git a/config/ola.m4 b/config/ola.m4
index 845c4af..ec77585 100644
--- a/config/ola.m4
+++ b/config/ola.m4
@@ -71,17 +71,17 @@ elif test -n "$1" ; then
   fi
 fi
 
-AC_ARG_WITH([ola-protoc],
-  [AS_HELP_STRING([--with-ola-protoc=COMMAND],
-    [use the given ola_protoc command instead of building one (useful for cross-compiling)])],
-  [],[with_ola_protoc=no])
+AC_ARG_WITH([ola-protoc-plugin],
+  [AS_HELP_STRING([--with-ola-protoc-plugin=COMMAND],
+    [use the given ola_protoc_plugin instead of building one (useful for cross-compiling)])],
+  [],[with_ola_protoc_plugin=no])
 
-OLA_PROTOC="\$(PROTOC) --plugin=protoc-gen-cppservice=\$(top_builddir)/protoc/ola_protoc_plugin${EXEEXT}";
 
-if test "$with_ola_protoc" != "no"; then
-  OLA_PROTOC=$with_ola_protoc;
-  echo "set ola_protoc to $with_ola_protoc"
+if test "$with_ola_protoc_plugin" != "no"; then
+  OLA_PROTOC="\$(PROTOC) --plugin=protoc-gen-cppservice=${with_ola_protoc_plugin}${EXEEXT}";
+  echo "set ola_protoc to $with_ola_protoc_plugin"
 else
+  OLA_PROTOC="\$(PROTOC) --plugin=protoc-gen-cppservice=\$(top_builddir)/protoc/ola_protoc_plugin${EXEEXT}";
   AC_CHECK_HEADER(
       [google/protobuf/compiler/command_line_interface.h],
       [],
@@ -96,7 +96,7 @@ else
   LIBS=$SAVED_LIBS
 fi
 AC_SUBST([OLA_PROTOC])
-AM_CONDITIONAL(BUILD_OLA_PROTOC, test "${with_ola_protoc}" == "no")
+AM_CONDITIONAL(BUILD_OLA_PROTOC_PLUGIN, test "${with_ola_protoc_plugin}" == "no")
 ])
 
 
diff --git a/protoc/Makefile.mk b/protoc/Makefile.mk
index e5d0167..47adc47 100644
--- a/protoc/Makefile.mk
+++ b/protoc/Makefile.mk
@@ -1,6 +1,6 @@
 # Programs
 #########################
-if BUILD_OLA_PROTOC
+if BUILD_OLA_PROTOC_PLUGIN
 noinst_PROGRAMS += protoc/ola_protoc_plugin
 
 protoc_ola_protoc_plugin_SOURCES = \
@@ -19,9 +19,9 @@ protoc_ola_protoc_plugin_LDADD = $(libprotobuf_LIBS) -lprotoc
 
 else
 
-# If we're using a different ola_protoc, we need to provide a rule to create
-# this file since the generated service configs depend on it.
-protoc/ola_protoc$(EXEEXT):
-	touch protoc/ola_protoc$(EXEEXT)
+# If we're using a different ola_protoc_plugin, we need to provide a rule to
+# create this file since the generated service configs depend on it.
+protoc/ola_protoc_plugin$(EXEEXT):
+	touch protoc/ola_protoc_plugin$(EXEEXT)
 
 endif
-- 
2.2.2