From 60c9e76bccd067c8e64b05914d22280ec3a9459c Mon Sep 17 00:00:00 2001
From: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
Date: Wed, 20 May 2015 10:48:18 -0700
Subject: [PATCH] cmake: added findNode cmake module for doc build

Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
---
 cmake/modules/FindNodejs.cmake | 59 ++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 cmake/modules/FindNodejs.cmake

diff --git a/cmake/modules/FindNodejs.cmake b/cmake/modules/FindNodejs.cmake
new file mode 100644
index 00000000..cac8943b
--- /dev/null
+++ b/cmake/modules/FindNodejs.cmake
@@ -0,0 +1,59 @@
+find_program (NODE_EXECUTABLE NAMES node
+    HINTS
+    $ENV{NODE_DIR}
+    PATH_SUFFIXES bin
+    DOC "Node.js interpreter"
+)
+
+include (FindPackageHandleStandardArgs)
+
+find_path (NODE_ROOT_DIR "node/node.h" "src/node.h"
+  PATHS /usr/include/nodejs /usr/local/include/nodejs)
+
+set (NODE_INCLUDE_DIRS
+  ${NODE_ROOT_DIR}/src
+  ${NODE_ROOT_DIR}/node
+  ${NODE_ROOT_DIR}/deps/v8/include
+  ${NODE_ROOT_DIR}/deps/uv/include
+)
+
+find_package_handle_standard_args (Node DEFAULT_MSG
+    NODE_EXECUTABLE
+    NODE_INCLUDE_DIRS
+)
+
+if (NODE_EXECUTABLE)
+    execute_process(COMMAND ${NODE_EXECUTABLE} --version
+                    OUTPUT_VARIABLE _VERSION
+                    RESULT_VARIABLE _NODE_VERSION_RESULT)
+    execute_process(COMMAND ${NODE_EXECUTABLE} -e "console.log(process.versions.v8)"
+                    OUTPUT_VARIABLE _V8_VERSION
+                    RESULT_VARIABLE _V8_RESULT)
+    if (NOT _NODE_VERSION_RESULT AND NOT _V8_RESULT)
+        string (REPLACE "v" "" NODE_VERSION_STRING "${_VERSION}")
+        string (REPLACE "." ";" _VERSION_LIST "${NODE_VERSION_STRING}")
+        list (GET _VERSION_LIST 0 NODE_VERSION_MAJOR)
+        list (GET _VERSION_LIST 1 NODE_VERSION_MINOR)
+        list (GET _VERSION_LIST 2 NODE_VERSION_PATCH)
+        set (V8_VERSION_STRING ${_V8_VERSION})
+        string (REPLACE "." ";" _V8_VERSION_LIST "${_V8_VERSION}")
+        list (GET _V8_VERSION_LIST 0 V8_VERSION_MAJOR)
+        list (GET _V8_VERSION_LIST 1 V8_VERSION_MINOR)
+        list (GET _V8_VERSION_LIST 2 V8_VERSION_PATCH)
+        # we end up with a nasty newline so strip everything that isn't a number
+        string (REGEX MATCH "^[0-9]*" V8_VERSION_PATCH ${V8_VERSION_PATCH})
+    else ()
+        set (NODE_VERSION_STRING "0.10.30")
+        set (NODE_VERSION_MAJOR "0")
+        set (NODE_VERSION_MINOR "10")
+        set (NODE_VERSION_PATCH "30")
+        set (V8_VERSION_MAJOR "3")
+        set (V8_VERSION_MAJOR "14")
+        set (V8_VERSION_MAJOR "5")
+        set (V8_VERSION_STRING "3.28.72")
+        message ("defaulted to node 0.10.30")
+    endif ()
+    message ("INFO - Node version is " ${NODE_VERSION_STRING} "INFO - Node using v8 " ${V8_VERSION_STRING})
+endif ()
+
+mark_as_advanced (NODE_EXECUTABLE)