1 files changed, 69 insertions, 0 deletions
diff --git a/include/gras/gras.hpp b/include/gras/gras.hpp
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+++ b/include/gras/gras.hpp
@@ -0,0 +1,69 @@
+//
+// Copyright 2012 Josh Blum
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef INCLUDED_GRAS_GRAS_HPP
+#define INCLUDED_GRAS_GRAS_HPP
+
+#include <ciso646>
+
+// http://gcc.gnu.org/wiki/Visibility
+// Generic helper definitions for shared library support
+#if defined _WIN32 || defined __CYGWIN__
+  #define GRAS_HELPER_DLL_IMPORT __declspec(dllimport)
+  #define GRAS_HELPER_DLL_EXPORT __declspec(dllexport)
+  #define GRAS_HELPER_DLL_LOCAL
+#else
+  #if __GNUC__ >= 4
+    #define GRAS_HELPER_DLL_IMPORT __attribute__ ((visibility ("default")))
+    #define GRAS_HELPER_DLL_EXPORT __attribute__ ((visibility ("default")))
+    #define GRAS_HELPER_DLL_LOCAL  __attribute__ ((visibility ("hidden")))
+  #else
+    #define GRAS_HELPER_DLL_IMPORT
+    #define GRAS_HELPER_DLL_EXPORT
+    #define GRAS_HELPER_DLL_LOCAL
+  #endif
+#endif
+
+// Now we use the generic helper definitions above to define GRAS_API and GRAS_LOCAL.
+// GRAS_API is used for the public API symbols. It either DLL imports or DLL exports (or does nothing for static build)
+// GRAS_LOCAL is used for non-api symbols.
+
+#ifdef GRAS_DLL // defined if GRAS is compiled as a DLL
+  #ifdef GRAS_DLL_EXPORTS // defined if we are building the GRAS DLL (instead of using it)
+    #define GRAS_API GRAS_HELPER_DLL_EXPORT
+  #else
+    #define GRAS_API GRAS_HELPER_DLL_IMPORT
+  #endif // GRAS_DLL_EXPORTS
+  #define GRAS_LOCAL GRAS_HELPER_DLL_LOCAL
+#else // GRAS_DLL is not defined: this means GRAS is a static lib.
+  #define GRAS_API
+  #define GRAS_LOCAL
+#endif // GRAS_DLL
+
+#define GRAS_MAX_ALIGNMENT 32
+
+//define cross platform attribute macros
+#if defined(GRAS_DEBUG)
+    #define GRAS_FORCE_INLINE         inline
+#elif defined(BOOST_MSVC)
+    #define GRAS_FORCE_INLINE         __forceinline
+#elif defined(__GNUG__) && __GNUG__ >= 4
+    #define GRAS_FORCE_INLINE         inline __attribute__((always_inline))
+#else
+    #define GRAS_FORCE_INLINE         inline
+#endif
+
+#endif /*INCLUDED_GRAS_GRAS_HPP*/