[cmake] Add a switch to enable/disable bindings.

Differential Revision: https://reviews.llvm.org/D42026

llvm-svn: 332816

llvm/CMakeLists.txt

@@ -520,6 +520,7 @@ 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_ENABLE_BINDINGS "Build bindings." ON)
 
 set(LLVM_INSTALL_DOXYGEN_HTML_DIR "share/doc/llvm/doxygen-html"
     CACHE STRING "Doxygen-generated HTML documentation install directory")

llvm/cmake/config-ix.cmake

@@ -511,10 +511,10 @@ else()
 endif()
 
 set(LLVM_BINDINGS "")
-if(WIN32)
+find_program(GO_EXECUTABLE NAMES go DOC "go executable")
+if(WIN32 OR NOT LLVM_ENABLE_BINDINGS)
   message(STATUS "Go bindings disabled.")
 else()
-  find_program(GO_EXECUTABLE NAMES go DOC "go executable")
   if(GO_EXECUTABLE STREQUAL "GO_EXECUTABLE-NOTFOUND")
     message(STATUS "Go bindings disabled.")
   else()
@@ -554,7 +554,7 @@ endif()
 # Keep the version requirements in sync with bindings/ocaml/README.txt.
 include(FindOCaml)
 include(AddOCaml)
-if(WIN32)
+if(WIN32 OR NOT LLVM_ENABLE_BINDINGS)
   message(STATUS "OCaml bindings disabled.")
 else()
   find_package(OCaml)