From 12d2d4d1f53f7f1c6d53d0eb82672cdbd75a6df9 Mon Sep 17 00:00:00 2001
From: Stephen Dolan <mu@netsoc.tcd.ie>
Date: Thu, 9 May 2013 15:22:38 +0100
Subject: Don't build the manpage unless there's a working Ruby setup.

---
 configure.ac | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 503ceaa0..32ecdf7b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,18 +26,28 @@ if test "x$LEX" != xflex; then
 fi
 
 
-dnl Check for flex
-AC_CHECK_PROGS(flex_cmd, flex)
-if test x$flex_cmd = "x" ; then
-    AC_MSG_NOTICE([flex is required to patch jq.])
-fi
-
 dnl Check for valgrind
 AC_CHECK_PROGS(valgrind_cmd, valgrind)
-if test x$valgrind_cmd = "x" ; then
-    AC_MSG_NOTICE([valgrind is required to test jq.])
+if test "x$valgrind_cmd" = "x" ; then
+    AC_MSG_WARN([valgrind is required to test jq.])
 fi
 
+
+dnl Don't attempt to build docs if there's no Ruby lying around
+AC_ARG_ENABLE([docs], 
+   AC_HELP_STRING([--disable-docs], [don't build docs]))
+
+AS_IF([test "x$enable_docs" != "xno"],[
+   AC_CHECK_PROG(bundle_cmd, bundle)
+   AS_IF([test "x$bundle_cmd" = "x" || \
+      ! ( cd ${srcdir}/docs; bundle check 2>/dev/null )],[
+         AC_MSG_WARN([no bundler])
+         enable_docs=no
+   ])
+])
+
+AM_CONDITIONAL([ENABLE_DOCS], [test "x$enable_docs" != xno])
+
 dnl AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_HEADERS(config.h)
 AM_INIT_AUTOMAKE([-Wall])
-- 
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