1 diff -urNp -x '*.orig' perl-5.32.1.org/ext/Errno/Errno_pm.PL perl-5.32.1/ext/Errno/Errno_pm.PL
2 --- perl-5.32.1.org/ext/Errno/Errno_pm.PL 2020-12-18 11:04:36.000000000 +0100
3 +++ perl-5.32.1/ext/Errno/Errno_pm.PL 2021-04-01 22:48:31.609573602 +0200
4 @@ -67,6 +67,13 @@ sub process_file {
5 warn "Cannot open '$file'";
8 + } elsif ($^O eq 'linux') {
9 + # With the -dM option option, gcc outputs every #define's it finds
10 + my $cpp = default_cpp();
11 + unless(open(FH, "$cpp -dM < $file |")) {
12 + warn "Cannot open '$file'";
16 unless(open(FH, '<', $file)) {
17 # This file could be a temporary file created by cppstdin