From: Anton Blanchard <anton@ozlabs.org>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Stephane Eranian <eranian@google.com>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] perf jit: Fix build issue on Ubuntu
Date: Thu, 13 Oct 2016 13:20:43 +1100 [thread overview]
Message-ID: <1476325243-15788-1-git-send-email-anton@ozlabs.org> (raw)
From: Anton Blanchard <anton@samba.org>
When building on Ubuntu 16.04, I get the following error:
Makefile:49: *** the openjdk development package appears to me missing, install and try again. Stop.
The problem is that update-java-alternatives has multiple spaces between
fields, and cut treats each space as a new delimiter:
java-1.8.0-openjdk-ppc64el 1081 /usr/lib/jvm/java-1.8.0-openjdk-ppc64el
Fix this by using awk, which handles this fine.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
tools/perf/jvmti/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/jvmti/Makefile b/tools/perf/jvmti/Makefile
index 5ce61a1..df14e6b 100644
--- a/tools/perf/jvmti/Makefile
+++ b/tools/perf/jvmti/Makefile
@@ -36,7 +36,7 @@ SOLIBEXT=so
# The following works at least on fedora 23, you may need the next
# line for other distros.
ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
-JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | cut -d ' ' -f 3)
+JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
else
ifneq (,$(wildcard /usr/sbin/alternatives))
JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
--
2.7.4
next reply other threads:[~2016-10-13 2:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-13 2:20 Anton Blanchard [this message]
2016-10-13 7:41 ` Stephane Eranian
2016-10-17 14:53 ` [tip:perf/urgent] " tip-bot for Anton Blanchard
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