[tip:perf/urgent] perf trace/scripting: Fix compile error when libperl not installed

[tip-bot for Tom Zanussi]

Commit-ID:  3a9a0beba2913edaae39ff8b4645fee10c3acf37
Gitweb:     http://git.kernel.org/tip/3a9a0beba2913edaae39ff8b4645fee10c3acf37
Author:     Tom Zanussi <tzanussi@xxxxxxxxx>
AuthorDate: Sun, 6 Dec 2009 20:41:52 -0600
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Mon, 7 Dec 2009 06:31:37 +0100

perf trace/scripting: Fix compile error when libperl not installed

When I added the xs callbacks into perf, I forgot to re-check
the no-libperl case. This patch fixes the undefined reference
error for that.

Reported-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Tom Zanussi <tzanussi@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
LKML-Reference: <1260153712.6564.4.camel@tropicana>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 tools/perf/util/trace-event-perl.c |    3 ---
 tools/perf/util/trace-event-perl.h |    4 ++++
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/trace-event-perl.c b/tools/perf/util/trace-event-perl.c
index 51e833f..59564b2 100644
--- a/tools/perf/util/trace-event-perl.c
+++ b/tools/perf/util/trace-event-perl.c
@@ -32,9 +32,6 @@
 
 void xs_init(pTHX);
 
-void boot_Perf__Trace__Context(pTHX_ CV *cv);
-void boot_DynaLoader(pTHX_ CV *cv);
-
 void xs_init(pTHX)
 {
 	const char *file = __FILE__;
diff --git a/tools/perf/util/trace-event-perl.h b/tools/perf/util/trace-event-perl.h
index 8fe0d86..e88fb26 100644
--- a/tools/perf/util/trace-event-perl.h
+++ b/tools/perf/util/trace-event-perl.h
@@ -34,9 +34,13 @@ typedef int INTERP;
 #define dXSUB_SYS
 #define pTHX_
 static inline void newXS(const char *a, void *b, const char *c) {}
+static void boot_Perf__Trace__Context(pTHX_ CV *cv) {}
+static void boot_DynaLoader(pTHX_ CV *cv) {}
 #else
 #include <EXTERN.h>
 #include <perl.h>
+void boot_Perf__Trace__Context(pTHX_ CV *cv);
+void boot_DynaLoader(pTHX_ CV *cv);
 typedef PerlInterpreter * INTERP;
 #endif
 
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