Detect one-step shifts of the dso_scheme.

1 files changed, 13 insertions, 1 deletions

diff --git a/Configure b/Configure
index 73f33bf71c..4abbec2877 100755
--- a/Configure
+++ b/Configure
@@ -1544,7 +1544,19 @@ sub test_sanity
 		{
 		@fields = split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
 
-		if ($fields[$idx_dso_scheme] !~ /^(dl|dlfcn|win32|vms|)$/)
+		if ($fields[$idx_dso_scheme-1] =~ /^(dl|dlfcn|win32|vms)$/)
+			{
+			$errorcnt++;
+			print STDERR "SANITY ERROR: '$target' has the dso_scheme [$idx_dso_scheme] values\n";
+			print STDERR "              in the previous field\n";
+			}
+		elsif ($fields[$idx_dso_scheme+1] =~ /^(dl|dlfcn|win32|vms)$/)
+			{
+			$errorcnt++;
+			print STDERR "SANITY ERROR: '$target' has the dso_scheme [$idx_dso_scheme] values\n";
+			print STDERR "              in the following field\n";
+			}
+		elsif ($fields[$idx_dso_scheme] !~ /^(dl|dlfcn|win32|vms|)$/)
 			{
 			$errorcnt++;
 			print STDERR "SANITY ERROR: '$target' has the dso_scheme [$idx_dso_scheme] field = ",$fields[$idx_dso_scheme],"\n";