[PATCH 02/21] Require sparse to build and stop egrep warnings

[Valerie Aurora]

Prevent me from adding any more endianness bugs by requiring sparse to
build. Also switch from egrep to grep -E to stop extraneous warning
messages.

Signed-off-by: Valerie Aurora <val at versity.com>
---
 scripts/sparse.sh | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/scripts/sparse.sh b/scripts/sparse.sh
index 9379161..ee637ed 100755
--- a/scripts/sparse.sh
+++ b/scripts/sparse.sh
@@ -1,9 +1,13 @@
 #!/bin/bash
 
-# can we find sparse?  If not, we're done.
-which sparse > /dev/null 2>&1 || exit 0
+# require sparse to build to prevent bugs
+which sparse > /dev/null 2>&1
+if [ "$?" != 0 ]; then
+	echo "Must install sparse to build"
+	exit 1
+fi
 
-# 
+#
 # one of the problems with using sparse in userspace is that it picks up
 # things in system headers that we don't care about.  We're willing to
 # take on the burden of filtering them out so that we can have it tell
@@ -53,7 +57,7 @@ else
 	m64=""
 fi
 
-sparse $m64 $include $search/include "$@" 2>&1 | egrep -v "($RE)" | tee .sparse.output
+sparse $m64 $include $search/include "$@" 2>&1 | grep -E -v "($RE)" | tee .sparse.output
 if  [ -s .sparse.output ]; then
 	exit 1
 else
-- 
2.48.1