[wip/gazebo-spring] Add patch-1

to fix C++ standard & add C langage

gazebo-spring/Makefile

@@ -5,6 +5,7 @@
 ORG=			gepetto
 NAME=			gazebo-spring
 VERSION=		1.0.0
+PKGREVISION=		1
 
 CATEGORIES=		wip
 COMMENT=		A spring plugin for gazebo
@@ -13,6 +14,7 @@ MAINTAINER=		gsaurel@laas.fr
 
 include ../../devel/jrl-cmakemodules/Makefile.common
 include ../../devel/ros-catkin/depend.mk
+include ../../devel/ros-roscpp-core
 include ../../pkgtools/pkg-config/depend.mk
 include ../../mk/sysdep/cmake.mk
 include ../../mk/sysdep/gazebo.mk

gazebo-spring/distinfo

 SHA1 (gazebo-spring-1.0.0.tar.gz) = bb98e3abb3df7eb4a0b7b39383d1ad02059b100a
 RMD160 (gazebo-spring-1.0.0.tar.gz) = 4e83cdf4332739a4349d20fd18505c432effeb36
 Size (gazebo-spring-1.0.0.tar.gz) = 803559 bytes
+SHA1 (patch-1) = b3f6f7314fb6a6e9b8acd73ccf34947a4aa62693

gazebo-spring/patches/patch-1

+From d6af2713e04d219703c15a20904edd5b9c8c47ba Mon Sep 17 00:00:00 2001
+From: Guilhem Saurel <guilhem.saurel@laas.fr>
+Date: Thu, 19 Nov 2020 18:14:43 +0100
+Subject: [PATCH] [CMake] enable C langage
+
+---
+ CMakeLists.txt | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 5e6191f..6378af3 100644
+--- CMakeLists.txt
++++ CMakeLists.txt
+@@ -17,9 +17,9 @@ SET(PROJECT_USE_CMAKE_EXPORT TRUE)
+ include(cmake/base.cmake)
+ 
+ # Project definition
+-COMPUTE_PROJECT_ARGS(PROJECT_ARGS LANGUAGES CXX)
++COMPUTE_PROJECT_ARGS(PROJECT_ARGS LANGUAGES C CXX)
+ project(${PROJECT_NAME} ${PROJECT_ARGS})
+-#CHECK_MINIMAL_CXX_STANDARD(11 ENFORCE)
++CHECK_MINIMAL_CXX_STANDARD(11 ENFORCE)
+ 
+ # Project dependencies
+ find_package(gazebo REQUIRED)