54 lines
1.2 KiB
Perl
54 lines
1.2 KiB
Perl
# -*-perl-*- hey - emacs - this is a perl file
|
|
|
|
# src/tools/msvc/pgbison.pl
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use File::Basename;
|
|
|
|
# assume we are in the postgres source root
|
|
|
|
do './src/tools/msvc/buildenv.pl' if -e 'src/tools/msvc/buildenv.pl';
|
|
|
|
my ($bisonver) = `bison -V`; # grab first line
|
|
$bisonver = (split(/\s+/, $bisonver))[3]; # grab version number
|
|
|
|
unless ($bisonver eq '1.875' || $bisonver ge '2.2')
|
|
{
|
|
print "WARNING! Bison install not found, or unsupported Bison version.\n";
|
|
print "echo Attempting to build without.\n";
|
|
exit 0;
|
|
}
|
|
|
|
my $input = shift;
|
|
if ($input !~ /\.y$/)
|
|
{
|
|
print "Input must be a .y file\n";
|
|
exit 1;
|
|
}
|
|
elsif (!-e $input)
|
|
{
|
|
print "Input file $input not found\n";
|
|
exit 1;
|
|
}
|
|
|
|
(my $output = $input) =~ s/\.y$/.c/;
|
|
|
|
# plpgsql just has to be different
|
|
$output =~ s/gram\.c$/pl_gram.c/ if $input =~ /src.pl.plpgsql.src.gram\.y$/;
|
|
|
|
my $makefile = dirname($input) . "/Makefile";
|
|
my ($mf, $make);
|
|
open($mf, '<', $makefile);
|
|
local $/ = undef;
|
|
$make = <$mf>;
|
|
close($mf);
|
|
my $basetarg = basename($output);
|
|
my $headerflag = ($make =~ /^$basetarg:\s+BISONFLAGS\b.*-d/m ? '-d' : '');
|
|
|
|
my $nodep = $bisonver ge '3.0' ? "-Wno-deprecated" : "";
|
|
|
|
system("bison $nodep $headerflag $input -o $output");
|
|
exit $? >> 8;
|