1 files changed, 51 insertions, 0 deletions
diff --git a/modules/brotli/common/version.h b/modules/brotli/common/version.h
new file mode 100644
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+++ b/modules/brotli/common/version.h
@@ -0,0 +1,51 @@
+/* Copyright 2016 Google Inc. All Rights Reserved.
+
+   Distributed under MIT license.
+   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+/* Version definition. */
+
+#ifndef BROTLI_COMMON_VERSION_H_
+#define BROTLI_COMMON_VERSION_H_
+
+/* Compose 3 components into a single number. In a hexadecimal representation
+   B and C components occupy exactly 3 digits. */
+#define BROTLI_MAKE_HEX_VERSION(A, B, C) ((A << 24) | (B << 12) | C)
+
+/* Those macros should only be used when library is compiled together with
+   the client. If library is dynamically linked, use BrotliDecoderVersion and
+   BrotliEncoderVersion methods. */
+
+#define BROTLI_VERSION_MAJOR 1
+#define BROTLI_VERSION_MINOR 1
+#define BROTLI_VERSION_PATCH 0
+
+#define BROTLI_VERSION BROTLI_MAKE_HEX_VERSION(                     \
+  BROTLI_VERSION_MAJOR, BROTLI_VERSION_MINOR, BROTLI_VERSION_PATCH)
+
+/* This macro is used by build system to produce Libtool-friendly soname. See
+   https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
+   Version evolution rules:
+    - interfaces added (or change is compatible)      -> current+1:0:age+1
+    - interfaces removed (or changed is incompatible) -> current+1:0:0
+    - interfaces not changed                          -> current:revision+1:age
+ */
+
+#define BROTLI_ABI_CURRENT  2
+#define BROTLI_ABI_REVISION 0
+#define BROTLI_ABI_AGE      1
+
+#if BROTLI_VERSION_MAJOR != (BROTLI_ABI_CURRENT - BROTLI_ABI_AGE)
+#error ABI/API version inconsistency
+#endif
+
+#if BROTLI_VERSION_MINOR != BROTLI_ABI_AGE
+#error ABI/API version inconsistency
+#endif
+
+#if BROTLI_VERSION_PATCH != BROTLI_ABI_REVISION
+#error ABI/API version inconsistency
+#endif
+
+#endif  /* BROTLI_COMMON_VERSION_H_ */