[PATCH 3/3] in scripts/export_report.pl use warn() to issue WARNING, so they go to stderr.

[Jim Cromie]

Also count CONFIG_MODVERSION warnings, and print an NB message at
start of SECTION 2 if any were issued.  Section 2 will be empty
if the build is lacking this CONFIG_ item, and user may have missed
the warnings, as they're off screen.

Signed-off-by: Jim Cromie <jim.cromie@xxxxxxxxx>
---
 scripts/export_report.pl |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/scripts/export_report.pl b/scripts/export_report.pl
index 16bd240..14c1638 100644
--- a/scripts/export_report.pl
+++ b/scripts/export_report.pl
@@ -102,6 +102,8 @@ close($module_symvers);
 #
 # collect the usage count of each symbol.
 #
+my $modversion_warnings = 0;
+
 foreach my $thismod (@allcfiles) {
 	my $module;
 
@@ -132,7 +134,8 @@ foreach my $thismod (@allcfiles) {
 		}
 	}
 	if ($state != 2) {
-		print "WARNING:$thismod is not built with CONFIG_MODVERSION enabled\n";
+		warn "WARNING:$thismod is not built with CONFIG_MODVERSION enabled\n";
+		$modversion_warnings++;
 	}
 	close($module);
 }
@@ -166,6 +169,9 @@ printf("SECTION 2:\n\tThis section reports export-symbol-usage of in-kernel
 modules. Each module lists the modules, and the symbols from that module that
 it uses.  Each listed symbol reports the number of modules using it\n");
 
+print "\nNB: Got $modversion_warnings CONFIG_MODVERSION warnings\n\n"
+    if $modversion_warnings;
+
 print "~"x80 , "\n";
 for my $thismod (sort keys %MODULE) {
 	my $list = $MODULE{$thismod};
-- 
1.7.4.1

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