[tip:perf/urgent] perf jvmti: Give hints about package names needed to build

[tip-bot for Arnaldo Carvalho de Melo]

Commit-ID:  e14b733c5dc62f574b4dbc045b2cc52b03d83d4c
Gitweb:     https://git.kernel.org/tip/e14b733c5dc62f574b4dbc045b2cc52b03d83d4c
Author:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Wed, 11 Apr 2018 12:08:53 -0300
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 12 Apr 2018 10:33:17 -0300

perf jvmti: Give hints about package names needed to build

Give as examples of package names to install to have this built for
fedora and debian, to help the user a bit.

The part from 'e.g.:' onwards:

  No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel

Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: William Cohen <wcohen@xxxxxxxxxx>
Link: https://lkml.kernel.org/n/tip-edbi4r2pvzn7no6ebxbtczng@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/Makefile.config | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index c7abd83a8e19..6b307e97dc57 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -847,7 +847,7 @@ ifndef NO_JVMTI
   ifeq ($(feature-jvmti), 1)
     $(call detected_var,JDIR)
   else
-    $(warning No openjdk development package found, please install JDK package)
+    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
     NO_JVMTI := 1
   endif
 endif