1 diff --git a/src/tools/msvc/pgflex.pl b/src/tools/msvc/pgflex.pl
2 index aceed5ffd..f6ed215e8 100644
3 --- a/src/tools/msvc/pgflex.pl
4 +++ b/src/tools/msvc/pgflex.pl
5 @@ -12,7 +12,7 @@ $ENV{CYGWIN} = 'nodosfilewarning';
7 do './src/tools/msvc/buildenv.pl' if -e 'src/tools/msvc/buildenv.pl';
9 -my ($flexver) = `flex -V`; # grab first line
10 +my ($flexver) = `win_flex -V`; # grab first line
11 $flexver = (split(/\s+/, $flexver))[1];
12 $flexver =~ s/[^0-9.]//g;
13 my @verparts = split(/\./, $flexver);
14 @@ -48,7 +47,7 @@ close($mf);
15 my $basetarg = basename($output);
16 my $flexflags = ($make =~ /^$basetarg:\s*FLEXFLAGS\s*=\s*(\S.*)/m ? $1 : '');
18 -system("flex $flexflags -o$output $input");
19 +system("win_flex $flexflags -o$output $input");
23 diff --git a/src/tools/msvc/pgbison.pl b/src/tools/msvc/pgbison.pl
24 index 895e398c0..f5b524a5d 100644
25 --- a/src/tools/msvc/pgbison.pl
26 +++ b/src/tools/msvc/pgbison.pl
27 @@ -9,7 +9,7 @@ use File::Basename;
29 do './src/tools/msvc/buildenv.pl' if -e 'src/tools/msvc/buildenv.pl';
31 -my ($bisonver) = `bison -V`; # grab first line
32 +my ($bisonver) = `win_bison -V`; # grab first line
33 $bisonver = (split(/\s+/, $bisonver))[3]; # grab version number
35 unless ($bisonver eq '1.875' || $bisonver ge '2.2')
36 @@ -45,5 +45,5 @@ close($mf);
37 my $basetarg = basename($output);
38 my $headerflag = ($make =~ /^$basetarg:\s+BISONFLAGS\b.*-d/m ? '-d' : '');
40 -system("bison $headerflag $input -o $output");
41 +system("win_bison $headerflag $input -o $output");