classes/sanity: check_perl_modules provide output when fail

When check_perl_modules fail is a good idea to print perl
interpeter output for debug purposes.

(From OE-Core rev: 9e0ee11a59c545dba45947b7675f5bcef489a7c8)

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/meta/classes/sanity.bbclass b/meta/classes/sanity.bbclass
index 9f35558af8..466eb49121 100644
--- a/meta/classes/sanity.bbclass
+++ b/meta/classes/sanity.bbclass
@@ -452,12 +452,14 @@ def check_git_version(sanity_data):
 def check_perl_modules(sanity_data):
     ret = ""
     modules = ( "Text::ParseWords", "Thread::Queue", "Data::Dumper" )
+    errresult = ''
     for m in modules:
-        status, result = oe.utils.getstatusoutput("perl -e 'use %s' 2> /dev/null" % m)
+        status, result = oe.utils.getstatusoutput("perl -e 'use %s'" % m)
         if status != 0:
+            errresult += result
             ret += "%s " % m
     if ret:
-        return "Required perl module(s) not found: %s\n" % ret
+        return "Required perl module(s) not found: %s\n\n%s\n" % (ret, errresult)
     return None
 
 def sanity_check_conffiles(status, d):