commit 6499a75cf24f9d8c41cf67300803430fa3a76a45
author Tom Finegan <tomfinegan@google.com> Tue Aug 22 10:28:39 2017 -0700
committer Tom Finegan <tomfinegan@google.com> Wed Aug 23 15:46:12 2017 +0000
tree 33e73aaf99e3fd19981bf1431a6cd89e28b638fa
parent 323d535d6a45e874d5d642dd6442e61e3f13b75e

Make sure diff is present at configure time.

Avoid silent failures resulting in endless build loops.

BUG=aomedia:701

Change-Id: I76d3e0bdddf473fc364abf0c956fcad5f7e3103c

configure

diff --git a/configure b/configure
index 73ba163..cf0fa05 100755
--- a/configure
+++ b/configure
@@ -155,6 +155,10 @@
     [ -f "${source_path}/${t}.mk" ] && enable_feature ${t}
 done
 
+if ! diff --version >/dev/null; then
+  die "diff missing: Try installing diffutils via your package manager."
+fi
+
 if ! perl --version >/dev/null; then
     die "Perl is required to build"
 fi