From 162a7a421718a2d15716a78ffb7abb1d94f6b03a Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Mon, 4 Jul 2016 11:58:12 -0600
Subject: [PATCH] Only build the libfdt python module if 'swig' is available

When swig is not available, we can still build correctly. So make this
optional. Add a comment about how to enable this build.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
 tools/Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/Makefile b/tools/Makefile
index 2731b7ac9f..421414bc15 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -107,7 +107,10 @@ mkimage-objs   := $(dumpimage-mkimage-objs) mkimage.o
 fit_info-objs   := $(dumpimage-mkimage-objs) fit_info.o
 fit_check_sign-objs   := $(dumpimage-mkimage-objs) fit_check_sign.o
 
-hostprogs-$(CONFIG_SPL_OF_PLATDATA) += _libfdt.so
+# Build a libfdt Python module if swig is available
+# Use 'sudo apt-get install swig libpython-dev' to enable this
+hostprogs-$(CONFIG_SPL_OF_PLATDATA) += \
+	$(if $(shell which swig),_libfdt.so)
 _libfdt.so-sharedobjs += $(LIBFDT_OBJS)
 libfdt:
 
-- 
2.39.5