diff options
Diffstat (limited to 'contrib/perl5/ext/Errno/Errno_pm.PL')
| -rw-r--r-- | contrib/perl5/ext/Errno/Errno_pm.PL | 82 |
1 files changed, 56 insertions, 26 deletions
diff --git a/contrib/perl5/ext/Errno/Errno_pm.PL b/contrib/perl5/ext/Errno/Errno_pm.PL index df68dc3..3f2f3e0 100644 --- a/contrib/perl5/ext/Errno/Errno_pm.PL +++ b/contrib/perl5/ext/Errno/Errno_pm.PL @@ -29,6 +29,14 @@ sub process_file { warn "Cannot open '$file'"; return; } + } elsif ($Config{gccversion} ne '') { + # With the -dM option, gcc outputs every #define it finds + my $ccopts = "-E -dM "; + $ccopts .= "-traditional-cpp " if $^O eq 'darwin'; + unless(open(FH,"$Config{cc} $ccopts $file |")) { + warn "Cannot open '$file'"; + return; + } } else { unless(open(FH,"< $file")) { # This file could be a temporary file created by cppstdin @@ -37,11 +45,19 @@ sub process_file { return; } } - while(<FH>) { - $err{$1} = 1 - if /^\s*#\s*define\s+(E\w+)\s+/; - } - close(FH); + + if ($^O eq 'MacOS') { + while(<FH>) { + $err{$1} = $2 + if /^\s*#\s*define\s+(E\w+)\s+(\d+)/; + } + } else { + while(<FH>) { + $err{$1} = 1 + if /^\s*#\s*define\s+(E\w+)\s+/; + } + } + close(FH); } my $cppstdin; @@ -79,6 +95,18 @@ sub get_files { } elsif ($^O eq 'vmesa') { # OS/390 C compiler doesn't generate #file or #line directives $file{'../../vmesa/errno.h'} = 1; + } elsif ($Config{archname} eq 'epoc') { + # Watch out for cross compiling for EPOC (usually done on linux) + $file{'/usr/local/epoc/include/libc/sys/errno.h'} = 1; + } elsif ($^O eq 'linux') { + # Some Linuxes have weird errno.hs which generate + # no #file or #line directives + $file{'/usr/include/errno.h'} = 1; + } elsif ($^O eq 'MacOS') { + # note that we are only getting the GUSI errno's here ... + # we might miss out on compiler-specific ones + $file{"$ENV{GUSI}include:sys:errno.h"} = 1; + } else { open(CPPI,"> errno.c") or die "Cannot open errno.c"; @@ -102,7 +130,7 @@ sub get_files { $pat = '^/\*\s+(.+)\s+\d+\s*:\s+\*/'; } else { - $pat = '^#(?:line)?\s*\d+\s+"([^"]+)"'; + $pat = '^#\s*(?:line)?\s*\d+\s+"([^"]+)"'; } while(<CPPO>) { if ($^O eq 'os2' or $^O eq 'MSWin32') { @@ -141,31 +169,33 @@ sub write_errno_pm { close(CPPI); + unless ($^O eq 'MacOS') { # trust what we have # invoke CPP and read the output - if ($^O eq 'VMS') { - my $cpp = "$Config{cppstdin} $Config{cppflags} $Config{cppminus}"; - $cpp =~ s/sys\$input//i; - open(CPPO,"$cpp errno.c |") or - die "Cannot exec $Config{cppstdin}"; - } elsif ($^O eq 'MSWin32') { - open(CPPO,"$Config{cpprun} $Config{cppflags} errno.c |") or - die "Cannot run '$Config{cpprun} $Config{cppflags} errno.c'"; - } else { - my $cpp = default_cpp(); - open(CPPO,"$cpp < errno.c |") - or die "Cannot exec $cpp"; - } + if ($^O eq 'VMS') { + my $cpp = "$Config{cppstdin} $Config{cppflags} $Config{cppminus}"; + $cpp =~ s/sys\$input//i; + open(CPPO,"$cpp errno.c |") or + die "Cannot exec $Config{cppstdin}"; + } elsif ($^O eq 'MSWin32') { + open(CPPO,"$Config{cpprun} $Config{cppflags} errno.c |") or + die "Cannot run '$Config{cpprun} $Config{cppflags} errno.c'"; + } else { + my $cpp = default_cpp(); + open(CPPO,"$cpp < errno.c |") + or die "Cannot exec $cpp"; + } - %err = (); + %err = (); - while(<CPPO>) { - my($name,$expr); - next unless ($name, $expr) = /"(.*?)"\s*\[\s*\[\s*(.*?)\s*\]\s*\]/; - next if $name eq $expr; - $err{$name} = eval $expr; + while(<CPPO>) { + my($name,$expr); + next unless ($name, $expr) = /"(.*?)"\s*\[\s*\[\s*(.*?)\s*\]\s*\]/; + next if $name eq $expr; + $err{$name} = eval $expr; + } + close(CPPO); } - close(CPPO); # Write Errno.pm |
