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diff --git a/odb/odb/version.hxx.in b/odb/odb/version.hxx.in
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+// file      : odb/version.hxx.in
+// license   : GNU GPL v3; see accompanying LICENSE file
+
+#ifndef ODB_COMPILER_VERSION // Note: using the version macro itself.
+
+// New numeric version format is AAAAABBBBBCCCCCDDDE where:
+//
+// AAAAA - major version number
+// BBBBB - minor version number
+// CCCCC - bugfix version number
+// DDD   - alpha / beta (DDD + 500) version number
+// E     - final (0) / snapshot (1)
+//
+// When DDDE is not 0, 1 is subtracted from AAAAABBBBBCCCCC. For example:
+//
+// Version      AAAAABBBBBCCCCCDDDE
+//
+// 0.1.0        0000000001000000000
+// 0.1.2        0000000001000020000
+// 1.2.3        0000100002000030000
+// 2.2.0-a.1    0000200001999990010
+// 3.0.0-b.2    0000299999999995020
+// 2.2.0-a.1.z  0000200001999990011
+//
+#define ODB_COMPILER_VERSION       $odb.version.project_number$ULL
+#define ODB_COMPILER_VERSION_STR   "$odb.version.project$"
+#define ODB_COMPILER_VERSION_ID    "$odb.version.project_id$"
+#define ODB_COMPILER_VERSION_FULL  "$odb.version$"
+
+#define ODB_COMPILER_SNAPSHOT      $odb.version.snapshot_sn$ULL
+
+// Old/deprecated numeric version format is AABBCCDD where:
+//
+// AA - major version number
+// BB - minor version number
+// CC - bugfix version number
+// DD - alpha / beta (DD + 50) version number
+//
+// When DD is not 00, 1 is subtracted from AABBCC. For example:
+//
+// Version     AABBCCDD
+// 2.0.0       02000000
+// 2.1.0       02010000
+// 2.1.1       02010100
+// 2.2.0.a1    02019901
+// 3.0.0.b2    02999952
+//
+#define ODB_COMPILER_VERSION_OLD 2049976
+
+#endif // ODB_COMPILER_VERSION