From 9be247b9b87d7a5c22c6c37e06038523711160f7 Mon Sep 17 00:00:00 2001
From: Grahame Bowland <grahame@angrygoats.net>
Date: Tue, 17 Jan 2012 23:56:20 +0800
Subject: [PATCH] build the tutorial if node.js is available

---
 Makefile.in |  6 ++++++
 configure   |  1 +
 mk/docs.mk  | 20 ++++++++++++++++++++
 3 files changed, 27 insertions(+)

diff --git a/Makefile.in b/Makefile.in
index 5c5191e079d..abe2359b315 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -148,6 +148,12 @@ else
   endif
 endif
 
+ifeq ($(CFG_NODE),)
+  $(info cfg: no node found, omitting doc/tutorial/web)
+else
+  DOCS += doc/tutorial/web/index.html
+endif
+
 ifeq ($(CFG_NATURALDOCS),)
   $(info cfg: no naturaldocs found, omitting library doc build)
 else
diff --git a/configure b/configure
index 3563f0b8826..5dbfeadc618 100755
--- a/configure
+++ b/configure
@@ -289,6 +289,7 @@ probe CFG_NATURALDOCS      naturaldocs
 probe CFG_LLNEXTGEN        LLnextgen
 probe CFG_PANDOC           pandoc
 probe CFG_PDFLATEX         pdflatex
+probe CFG_NODE             node
 
 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
 then
diff --git a/mk/docs.mk b/mk/docs.mk
index 866d5f20a19..faf51d88885 100644
--- a/mk/docs.mk
+++ b/mk/docs.mk
@@ -42,6 +42,26 @@ doc/rust.pdf: doc/rust.tex
 
 endif
 
+ifdef CFG_NODE
+
+doc/tutorial/web/index.html: doc/tutorial/args.md \
+		doc/tutorial/control.md \
+		doc/tutorial/data.md \
+		doc/tutorial/ffi.md \
+		doc/tutorial/func.md \
+		doc/tutorial/generic.md \
+		doc/tutorial/iface.md \
+		doc/tutorial/index.md \
+		doc/tutorial/intro.md \
+		doc/tutorial/mod.md \
+		doc/tutorial/setup.md \
+		doc/tutorial/syntax.md \
+		doc/tutorial/task.md \
+		doc/tutorial/test.md
+	$(Q)cd doc/tutorial && $(CFG_NODE) build.js
+
+endif
+
 endif
 
 ifdef CFG_LLNEXTGEN