From ebe48b8c778dbd4087b9fd8b56f3f0fcab168805 Mon Sep 17 00:00:00 2001
From: "Alan M. Carroll" <solidwallofcode@yahoo-inc.com>
Date: Wed, 30 Nov 2016 13:50:35 -0600
Subject: [PATCH] Doc: Make building docs an active configuration option.

---
 Makefile.am            |  5 ++++-
 ci/jenkins/bin/docs.sh |  2 +-
 configure.ac           | 13 +++++++++++++
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 12de2d16ac6..f1a87478cf5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -29,7 +29,10 @@ export CCACHE_BASEDIR
 # proxy/api/ts has to be built first, since so much of libraries and "core
 # depends on the generates ts/ts.h include file.
 
-SUBDIRS = proxy/api/ts iocore lib proxy/hdrs proxy/shared mgmt proxy cmd plugins tools example rc doc
+SUBDIRS = proxy/api/ts iocore lib proxy/hdrs proxy/shared mgmt proxy cmd plugins tools example rc
+if BUILD_DOCS
+SUBDIRS += doc
+endif
 
 
 DIST_BUILD_USER=`id -nu`
diff --git a/ci/jenkins/bin/docs.sh b/ci/jenkins/bin/docs.sh
index 6754040a8c8..f5b2a17f2ca 100644
--- a/ci/jenkins/bin/docs.sh
+++ b/ci/jenkins/bin/docs.sh
@@ -22,7 +22,7 @@ test ! -z "${WORKSPACE}" && cd "${WORKSPACE}/src"
 
 # This avoids redoing the configure on every doc build, which is somewhat annoying
 [ ! -f configure ] && autoreconf -fi
-[ ! -f config.nice ] && ./configure
+[ ! -f config.nice ] && ./configure --enable-docs
 
 cd doc
 
diff --git a/configure.ac b/configure.ac
index d9c51aab42c..f906135fd15 100644
--- a/configure.ac
+++ b/configure.ac
@@ -247,6 +247,19 @@ AC_MSG_RESULT([$enable_tests])
 TS_ARG_ENABLE_VAR([has], [tests])
 AM_CONDITIONAL([BUILD_TESTS], [test 0 -ne $has_tests])
 
+#
+# Build documentation?
+#
+
+AC_MSG_CHECKING([whether to build documentation])
+AC_ARG_ENABLE([docs],
+  [AS_HELP_STRING([--enable-docs],[enable documentation building])],
+  [],
+  [enable_doc_build=no]
+)
+AC_MSG_RESULT([$enable_doc_build])
+AM_CONDITIONAL([BUILD_DOCS], [test "xyes" = "x$enable_doc_build"])
+
 #
 # Remote Coverity Prevent commit
 #