[cmake] Expose opt-viewer availability
This will be used in https://github.com/apple/swift/pull/12938
llvm-svn: 319511
diff --git a/llvm/cmake/modules/LLVMConfig.cmake.in b/llvm/cmake/modules/LLVMConfig.cmake.in
index 169fc99..0772016 100644
--- a/llvm/cmake/modules/LLVMConfig.cmake.in
+++ b/llvm/cmake/modules/LLVMConfig.cmake.in
@@ -72,6 +72,7 @@
set(LLVM_BINARY_DIR "@LLVM_CONFIG_BINARY_DIR@")
set(LLVM_TOOLS_BINARY_DIR "@LLVM_CONFIG_TOOLS_BINARY_DIR@")
set(LLVM_TOOLS_INSTALL_DIR "@LLVM_TOOLS_INSTALL_DIR@")
+set(LLVM_HAVE_OPT_VIEWER_MODULES @LLVM_HAVE_OPT_VIEWER_MODULES@)
if(NOT TARGET LLVMSupport)
set(LLVM_EXPORTED_TARGETS "@LLVM_CONFIG_EXPORTS@")