From 74d2c0dbfd94aa5512be3828a793b4c2d43df2d0 Mon Sep 17 00:00:00 2001
From: Andrew Dunstan <andrew@dunslane.net>
Date: Thu, 26 Oct 2017 10:01:02 -0400
Subject: [PATCH] Improve gendef.pl diagnostic on failure to open sym file
There have been numerous buildfarm failures but the diagnostic is
currently silent about the reason for failure to open the file. Let's
see if we can get to the bottom of it.
Backpatch to all live branches.
---
src/tools/msvc/gendef.pl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/tools/msvc/gendef.pl b/src/tools/msvc/gendef.pl
index 96122750f19..9b5bc081e16 100644
--- a/src/tools/msvc/gendef.pl
+++ b/src/tools/msvc/gendef.pl
@@ -32,7 +32,7 @@ sub dumpsyms
sub extract_syms
{
my ($symfile, $def) = @_;
- open(my $f, '<', $symfile) || die "Could not open $symfile for $_\n";
+ open(my $f, '<', $symfile) || die "Could not open $symfile for $_: $!\n";
while (<$f>)
{