tracing: Only print objcopy version warning once from recordmcount

[safe/jmp/linux-2.6] / scripts / recordmcount.pl

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index a4e2435..f0d1445 100755 (executable)
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -162,6 +162,11 @@ my $alignment;             # The .align value to use for $mcount_section
 my $section_type;      # Section header plus possible alignment command
 my $can_use_local = 0;         # If we can use local function references
 
+# Shut up recordmcount if user has older objcopy
+my $quiet_recordmcount = ".tmp_quiet_recordmcount";
+my $print_warning = 1;
+$print_warning = 0 if ( -f $quiet_recordmcount);
+
 ##
 # check_objcopy - whether objcopy supports --globalize-symbols
 #
@@ -179,10 +184,13 @@ sub check_objcopy
     }
     close (IN);
 
-    if (!$can_use_local) {
+    if (!$can_use_local && $print_warning) {
        print STDERR "WARNING: could not find objcopy version or version " .
            "is less than 2.17.\n" .
-           "\tLocal function references is disabled.\n";
+           "\tLocal function references are disabled.\n";
+       open (QUIET, ">$quiet_recordmcount");
+       printf QUIET "Disables the warning from recordmcount.pl\n";
+       close QUIET;
     }
 }