Turn off deprecated bison warnings under MSVC

These are disabled by the configure code, so this is just fixing an
inconsistency in the MSVC code.

Backpatch to all live branches.

diff --git a/src/tools/msvc/pgbison.pl b/src/tools/msvc/pgbison.pl
index 7d0f784aa834f7e17e4075371a769eedcfa10d17..9eec12518ede04e1f1134d8eb11132e1620fa3a1 100644 (file)
--- a/src/tools/msvc/pgbison.pl
+++ b/src/tools/msvc/pgbison.pl
@@ -45,5 +45,7 @@ close($mf);
 my $basetarg = basename($output);
 my $headerflag = ($make =~ /^$basetarg:\s+BISONFLAGS\b.*-d/m ? '-d' : '');
 
-system("bison $headerflag $input -o $output");
+my $nodep = $bisonver ge '3.0' ? "-Wno-deprecated" : "";
+
+system("bison $nodep $headerflag $input -o $output");
 exit $? >> 8;