1 files changed, 60 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/build-data/detect_version.cpp b/comm/third_party/botan/src/build-data/detect_version.cpp
new file mode 100644
index 0000000000..8e08c63b91
--- /dev/null
+++ b/comm/third_party/botan/src/build-data/detect_version.cpp
@@ -0,0 +1,60 @@
+/*
+* This file is preprocessed to produce output that is examined by
+* configure.py to determine the compilers version number.
+*/
+
+#if defined(_MSC_VER)
+
+   /*
+   _MSC_VER Defined as an integer literal that encodes the major and
+   minor number elements of the compiler's version number. The major
+   number is the first element of the period-delimited version number
+   and the minor number is the second element. For example, if the
+   version number of the Visual C++ compiler is 17.00.51106.1, the
+   _MSC_VER macro evaluates to 1700.
+   https://msdn.microsoft.com/en-us/library/b0084kay.aspx
+   */
+   MSVC _MSC_VER
+
+#elif defined(__ibmxl__)
+
+   XLC __ibmxl_version__ __ibmxl_release__
+
+#elif defined(__clang__) && defined(__apple_build_version__)
+
+   /*
+   Map Apple LLVM versions as used in XCode back to standard Clang.
+   This is not exact since the versions used in XCode are actually
+   forks of Clang and do not coorespond perfectly to standard Clang
+   releases. In addition we don't bother mapping very old versions
+   (anything before XCode 7 is treated like Clang 3.5, which is the
+   oldest version we support) and for "future" versions we simply
+   treat them as Clang 4.0, since we don't currenly rely on any
+   features not included in 4.0
+   */
+
+   #if __clang_major__ >= 9
+      CLANG 4 0
+   #elif __clang_major__ == 8
+      CLANG 3 9
+   #elif __clang_major__ == 7 && __clang_minor__ == 3
+      CLANG 3 8
+   #elif __clang_major__ == 7
+      CLANG 3 7
+   #else
+      CLANG 3 5
+   #endif
+
+#elif defined(__clang__)
+
+   CLANG __clang_major__ __clang_minor__
+
+#elif defined(__GNUG__)
+
+   GCC __GNUC__ __GNUC_MINOR__
+
+#else
+
+   UNKNOWN 0 0
+
+#endif