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Subject[RFC PATCH] coccinelle: fix parallel build with CHECK=scripts/coccicheck
Date
If I run the following:

$ make -j8 C=1 CHECK=scripts/coccicheck

lots of "coccicheck failed" messages are displayed.

I do not know the coccinell internals, but I guess --jobs does not
work well if spatch is invoked from Make running in parallel.
Disable --jobs in this case.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

scripts/coccicheck | 3 +++
1 file changed, 3 insertions(+)

diff --git a/scripts/coccicheck b/scripts/coccicheck
index 9d18662..b74c789 100755
--- a/scripts/coccicheck
+++ b/scripts/coccicheck
@@ -69,6 +69,9 @@ if [ "$C" = "1" -o "$C" = "2" ]; then
# Take only the last argument, which is the C file to test
shift $(( $# - 1 ))
OPTIONS="$COCCIINCLUDE $1"
+
+ # --jobs does not work if Make is running in parallel
+ echo $MAKEFLAGS | grep "\-\-jobserver-auth" && USE_JOBS="no"
else
ONLINE=0
if [ "$KBUILD_EXTMOD" = "" ] ; then
--
2.7.4
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