1 files changed, 69 insertions, 0 deletions
diff --git a/dxtn/build/build_config.h b/dxtn/build/build_config.h
new file mode 100644
index 000000000..2b9efda15
--- /dev/null
+++ b/dxtn/build/build_config.h
@@ -0,0 +1,69 @@
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This file adds defines about the platform we're currently building on.
+//  Operating System:
+//    OS_WIN / OS_MACOSX / OS_LINUX / OS_POSIX (MACOSX or LINUX)
+//  Compiler:
+//    COMPILER_MSVC / COMPILER_GCC
+//  Processor:
+//    ARCH_CPU_X86 / ARCH_CPU_X86_64 / ARCH_CPU_X86_FAMILY (X86 or X86_64)
+//    ARCH_CPU_32_BITS / ARCH_CPU_64_BITS
+
+#ifndef BUILD_BUILD_CONFIG_H_
+#define BUILD_BUILD_CONFIG_H_
+
+// A set of macros to use for platform detection.
+#if defined(__APPLE__)
+#define OS_MACOSX 1
+#elif defined(__linux__)
+#define OS_LINUX 1
+#elif defined(_WIN32)
+#define OS_WIN 1
+#else
+#error Please add support for your platform in build/build_config.h
+#endif
+
+// For access to standard POSIX features, use OS_POSIX instead of a more
+// specific macro.
+#if defined(OS_MACOSX) || defined(OS_LINUX)
+#define OS_POSIX 1
+#endif
+
+// Compiler detection.
+#if defined(__GNUC__)
+#define COMPILER_GCC 1
+#elif defined(_MSC_VER)
+#define COMPILER_MSVC 1
+#else
+#error Please add support for your compiler in build/build_config.h
+#endif
+
+// Processor architecture detection.  For more info on what's defined, see:
+//   http://msdn.microsoft.com/en-us/library/b0084kay.aspx
+//   http://www.agner.org/optimize/calling_conventions.pdf
+#if defined(_M_X64) || defined(__x86_64__)
+#define ARCH_CPU_X86_FAMILY 1
+#define ARCH_CPU_X86_64 1
+#define ARCH_CPU_64_BITS 1
+#elif defined(_M_IX86) || defined(__i386__)
+#define ARCH_CPU_X86_FAMILY 1
+#define ARCH_CPU_X86 1
+#define ARCH_CPU_32_BITS 1
+#else
+#error Please add support for your architecture in build/build_config.h
+#endif
+
+// Type detection for wchar_t.
+#if defined(OS_WIN)
+#define WCHAR_T_IS_UTF16
+#elif defined(OS_POSIX) && defined(COMPILER_GCC) && \
+    defined(__WCHAR_MAX__) && __WCHAR_MAX__ == 0x7fffffff
+#define WCHAR_T_IS_UTF32
+#else
+#error Please add support for your compiler in build/build_config.h
+#endif
+
+#endif  // BUILD_BUILD_CONFIG_H_
+