[Xen-changelog] [xen-3.4-testing] Fix etags invocation

["Xen patchbot-3.4-testing" <patchbot-3.4-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1254409025 -3600
# Node ID a5251bffea427aad74592065dc7fff99fe74f5ce
# Parent  dd4213e75210fda21c5054e526ca1655eaa20d53
Fix etags invocation

Don't fail in the case where 'etags' isn't Exuberant Ctags

Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
xen-unstable changeset:   20180:18cd7c378c48
xen-unstable date:        Mon Sep 07 14:26:06 2009 +0100
---
 xen/Makefile |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -r dd4213e75210 -r a5251bffea42 xen/Makefile
--- a/xen/Makefile      Thu Oct 01 15:56:37 2009 +0100
+++ b/xen/Makefile      Thu Oct 01 15:57:05 2009 +0100
@@ -122,10 +122,10 @@ endef
 endef
 
 define set_exuberant_flags
-    exuberant_flags=`$1 --version 2>/dev/null | grep -iq exuberant && \
+    exuberant_flags=`$1 --version 2>/dev/null | (grep -iq exuberant && \
        echo "-I __initdata,__exitdata,__acquires,__releases \
            -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
-           --extra=+f --c-kinds=+px"`
+           --extra=+f --c-kinds=+px") || true` 
 endef
 
 .PHONY: _TAGS

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