Not all distros ship genisoimage which is a Debian fork from the
original cdrtools. As the options are pretty much the same support it
as a fallback binary.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index 26084fc53ad..a574250524f 100755
--- a/configure
+++ b/configure
@@ -941,7 +941,7 @@ done
 
 # Check for ancillary tools used in testing
 genisoimage=
-for binary in genisoimage
+for binary in genisoimage mkisofs
 do
     if has $binary
     then
-- 
2.20.1