From 8ff1ab68ba2cb073c328fe540161080d146e0daf Mon Sep 17 00:00:00 2001
From: Tom Zanussi <tom.zanussi@intel.com>
Date: Tue, 3 Jul 2012 13:07:22 -0500
Subject: [PATCH 2/3] perf: add 'libperl not found' warning

If libperl isn't found, display a message to that effect along with
some hints on how to fix it.

Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index cc3b54d..a22cee9 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -694,6 +694,7 @@ else
 	FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
 
 	ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y)
+		msg := $(warning libperl not found, disables Perl scripting support. Please install libperl-dev or perl-devel);
 		BASIC_CFLAGS += -DNO_LIBPERL
 	else
                ALL_LDFLAGS += $(PERL_EMBED_LDFLAGS)