[CMake] [OCaml] Add -DLLVM_ENABLE_OCAMLDOC switch

Patch by Michael Gorny.

llvm-svn: 279544

Author: whitequark

llvm/CMakeLists.txt

@@ -454,6 +454,7 @@ option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
 option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
 option (LLVM_ENABLE_DOXYGEN "Use doxygen to generate llvm API documentation." OFF)
 option (LLVM_ENABLE_SPHINX "Use Sphinx to generate llvm documentation." OFF)
+option (LLVM_ENABLE_OCAMLDOC "Build OCaml bindings documentation." ON)
 
 option (LLVM_BUILD_EXTERNAL_COMPILER_RT
   "Build compiler-rt as an external project." OFF)

llvm/docs/CMakeLists.txt

@@ -115,7 +115,7 @@ if (LLVM_ENABLE_SPHINX)
 endif()
 
 list(FIND LLVM_BINDINGS_LIST ocaml uses_ocaml)
-if( NOT uses_ocaml LESS 0 )
+if( NOT uses_ocaml LESS 0 AND LLVM_ENABLE_OCAMLDOC )
   set(doc_targets
         ocaml_llvm
         ocaml_llvm_all_backends