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From 1bb73933593e775ac70ac548c55267d2005ce0e7 Mon Sep 17 00:00:00 2001
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Sat, 9 Jan 2010 18:26:27 +0100
Subject: [PATCH 1/2] don't build docs if doxygen isn't available

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 Makefile.am  |   10 ++++++++--
 configure.ac |    3 ++-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 68d9831..79dc8d3 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,9 +8,15 @@ else
 DEMO =
 endif
 
-ACLOCAL_AMFLAGS= 
+if DOCS
+DOC = doc
+else
+DOC =
+endif
+
+ACLOCAL_AMFLAGS=
 
-SUBDIRS = cgicc doc support $(DEMO)
+SUBDIRS = cgicc support $(DEMO) $(DOC)
 
 CLEANFILES = *~
 
diff --git a/configure.ac b/configure.ac
index 23ae071..6cee368 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,8 +17,9 @@ dnl Checks for programs.
 AC_PROG_CXX
 AC_PROG_INSTALL
 AC_PROG_LIBTOOL
-AC_CHECK_PROG(DOXYGEN, doxygen, doxygen, /bin/echo)
 
+AC_CHECK_PROG(DOXYGEN, doxygen, doxygen)
+AM_CONDITIONAL(DOCS, [test -n "${DOXYGEN}"])
 
 
 dnl Determine host system type
-- 
1.6.6