-if ($define{'USE_PERLIO'}) {
- # Export the symols that make up the PerlIO abstraction, regardless
- # of its implementation - read from a file
- push @syms, $perlio_sym;
-
- # This part is then dependent on how the abstraction is implemented
- if ($define{'USE_SFIO'}) {
- # Old legacy non-stdio "PerlIO"
- skip_symbols \@layer_syms;
- skip_symbols [qw(perlsio_binmode)];
- # SFIO defines most of the PerlIO routines as macros
- # So undo most of what $perlio_sym has just done - d'oh !
- # Perhaps it would be better to list the ones which do exist
- # And emit them
- skip_symbols [qw(
- PerlIO_canset_cnt
- PerlIO_clearerr
- PerlIO_close
- PerlIO_eof
- PerlIO_error
- PerlIO_exportFILE
- PerlIO_fast_gets
- PerlIO_fdopen
- PerlIO_fileno
- PerlIO_findFILE
- PerlIO_flush
- PerlIO_get_base
- PerlIO_get_bufsiz
- PerlIO_get_cnt
- PerlIO_get_ptr
- PerlIO_getc
- PerlIO_getname
- PerlIO_has_base
- PerlIO_has_cntptr
- PerlIO_importFILE
- PerlIO_open
- PerlIO_printf
- PerlIO_putc
- PerlIO_puts
- PerlIO_read
- PerlIO_releaseFILE
- PerlIO_reopen
- PerlIO_rewind
- PerlIO_seek
- PerlIO_set_cnt
- PerlIO_set_ptrcnt
- PerlIO_setlinebuf
- PerlIO_sprintf
- PerlIO_stderr
- PerlIO_stdin
- PerlIO_stdout
- PerlIO_stdoutf
- PerlIO_tell
- PerlIO_ungetc
- PerlIO_vprintf
- PerlIO_write
- PerlIO_perlio
- Perl_PerlIO_clearerr
- Perl_PerlIO_close
- Perl_PerlIO_eof
- Perl_PerlIO_error
- Perl_PerlIO_fileno
- Perl_PerlIO_fill
- Perl_PerlIO_flush
- Perl_PerlIO_get_base
- Perl_PerlIO_get_bufsiz
- Perl_PerlIO_get_cnt
- Perl_PerlIO_get_ptr
- Perl_PerlIO_read
- Perl_PerlIO_seek
- Perl_PerlIO_set_cnt
- Perl_PerlIO_set_ptrcnt
- Perl_PerlIO_setlinebuf
- Perl_PerlIO_stderr
- Perl_PerlIO_stdin
- Perl_PerlIO_stdout
- Perl_PerlIO_tell
- Perl_PerlIO_unread
- Perl_PerlIO_write
- PL_def_layerlist
- PL_known_layers
- PL_perlio
- )];
- }
- else {
- # PerlIO with layers - export implementation
- emit_symbols \@layer_syms;
- emit_symbols [qw(perlsio_binmode)];
- }
- if ($define{'USE_ITHREADS'}) {
- emit_symbols [qw(
- PL_perlio_mutex
- )];
- }
- else {
- skip_symbols [qw(
- PL_perlio_mutex
- )];
+# Export the symbols that make up the PerlIO abstraction, regardless
+# of its implementation - read from a file
+push @syms, 'perlio.sym';
+
+# PerlIO with layers - export implementation
+try_symbols(@layer_syms, 'perlsio_binmode');
+
+
+unless ($define{'USE_QUADMATH'}) {
+ ++$skip{Perl_quadmath_format_needed};
+ ++$skip{Perl_quadmath_format_single};
+}
+
+###############################################################################
+
+# At this point all skip lists should be completed, as we are about to test
+# many symbols against them.
+
+{
+ my %seen;
+ my ($embed) = setup_embed($ARGS{TARG_DIR});
+
+ foreach (@$embed) {
+ my ($flags, $retval, $func, @args) = @$_;
+ next unless $func;
+ if ( ($flags =~ /[AX]/ && $flags !~ /[xmi]/)
+ || ($flags =~ /b/ && ! $define{'NO_MATHOMS'}))
+ {
+ # public API, so export
+
+ # If a function is defined twice, for example before and after
+ # an #else, only export its name once. Important to do this test
+ # within the block, as the *first* definition may have flags which
+ # mean "don't export"
+ next if $seen{$func}++;
+ # Should we also skip adding the Perl_ prefix if $flags =~ /o/ ?
+ $func = "Perl_$func" if ($flags =~ /[pX]/ && $func !~ /^Perl_/);
+ ++$export{$func} unless exists $skip{$func};
+ }