hiep update

include/robot_laser_geometry/visibility_control.hpp

@@ -0,0 +1,64 @@
+//  Copyright (c) 2017, Open Source Robotics Foundation, Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+//    * Redistributions of source code must retain the above copyright
+//      notice, this list of conditions and the following disclaimer.
+//
+//    * Redistributions in binary form must reproduce the above copyright
+//      notice, this list of conditions and the following disclaimer in the
+//      documentation and/or other materials provided with the distribution.
+//
+//    * Neither the name of the copyright holder nor the names of its
+//      contributors may be used to endorse or promote products derived from
+//      this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef ROBOT_LASER_GEOMETRY_VISIBILITY_CONTROL_HPP_
+#define ROBOT_LASER_GEOMETRY_VISIBILITY_CONTROL_HPP_
+
+// This logic was borrowed (then namespaced) from the examples on the gcc wiki:
+//     https://gcc.gnu.org/wiki/Visibility
+
+#if defined _WIN32 || defined __CYGWIN__
+  #ifdef __GNUC__
+    #define ROBOT_LASER_GEOMETRY_EXPORT __attribute__ ((dllexport))
+    #define ROBOT_LASER_GEOMETRY_IMPORT __attribute__ ((dllimport))
+  #else
+    #define ROBOT_LASER_GEOMETRY_EXPORT __declspec(dllexport)
+    #define ROBOT_LASER_GEOMETRY_IMPORT __declspec(dllimport)
+  #endif
+  #ifdef ROBOT_LASER_GEOMETRY_BUILDING_LIBRARY
+    #define ROBOT_LASER_GEOMETRY_PUBLIC ROBOT_LASER_GEOMETRY_EXPORT
+  #else
+    #define ROBOT_LASER_GEOMETRY_PUBLIC ROBOT_LASER_GEOMETRY_IMPORT
+  #endif
+  #define ROBOT_LASER_GEOMETRY_PUBLIC_TYPE ROBOT_LASER_GEOMETRY_PUBLIC
+  #define ROBOT_LASER_GEOMETRY_LOCAL
+#else
+  #define ROBOT_LASER_GEOMETRY_EXPORT __attribute__ ((visibility("default")))
+  #define ROBOT_LASER_GEOMETRY_IMPORT
+  #if __GNUC__ >= 4
+    #define ROBOT_LASER_GEOMETRY_PUBLIC __attribute__ ((visibility("default")))
+    #define ROBOT_LASER_GEOMETRY_LOCAL  __attribute__ ((visibility("hidden")))
+  #else
+    #define ROBOT_LASER_GEOMETRY_PUBLIC
+    #define ROBOT_LASER_GEOMETRY_LOCAL
+  #endif
+  #define ROBOT_LASER_GEOMETRY_PUBLIC_TYPE
+#endif
+
+#endif  // ROBOT_LASER_GEOMETRY__VISIBILITY_CONTROL_HPP_