Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/bindings/ocaml/README.txt

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+This directory contains LLVM bindings for the OCaml programming language
+(http://ocaml.org).
+
+Prerequisites
+-------------
+
+* OCaml 4.00.0+.
+* ctypes 0.4+.
+* oUnit 2+ (only required for tests).
+* CMake (to build LLVM).
+
+Building the bindings
+---------------------
+
+If all dependencies are present, the bindings will be built and installed
+as a part of the default CMake configuration, with no further action.
+They will only work with the specific OCaml compiler detected during the build.
+
+The bindings can also be built out-of-tree, i.e. targeting a preinstalled
+LLVM. To do this, configure the LLVM build tree as follows:
+
+    $ cmake -DLLVM_OCAML_OUT_OF_TREE=TRUE \
+            -DCMAKE_INSTALL_PREFIX=[OCaml install prefix] \
+            [... any other options]
+
+then build and install it as:
+
+    $ make ocaml_all
+    $ cmake -P bindings/ocaml/cmake_install.cmake