X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FExtUtils%2FMksymlists.pm;h=0b92ca09b7eafacf069244eeb54eb1ac3693e3da;hb=87de16722cc997305cd67fe72a75c83d2757d1a3;hp=47c37bf6238d84f482c5e5dd5514c88afcacd33a;hpb=8a1da95f424b3f503ca14c0d79874d7cc4fdddf4;p=p5sagit%2Fp5-mst-13.2.git diff --git a/lib/ExtUtils/Mksymlists.pm b/lib/ExtUtils/Mksymlists.pm index 47c37bf..0b92ca0 100644 --- a/lib/ExtUtils/Mksymlists.pm +++ b/lib/ExtUtils/Mksymlists.pm @@ -7,7 +7,7 @@ use Exporter; use vars qw( @ISA @EXPORT $VERSION ); @ISA = 'Exporter'; @EXPORT = '&Mksymlists'; -$VERSION = substr q$Revision: 1.12 $, 10; +$VERSION = substr q$Revision: 1.17 $, 10; sub Mksymlists { my(%spec) = @_; @@ -48,7 +48,8 @@ sub Mksymlists { if ($osname eq 'aix') { _write_aix(\%spec); } elsif ($osname eq 'VMS') { _write_vms(\%spec) } - elsif ($osname =~ m|^os/?2$|i) { _write_os2(\%spec) } + elsif ($osname eq 'os2') { _write_os2(\%spec) } + elsif ($osname eq 'MSWin32') { _write_win32(\%spec) } else { croak("Don't know how to create linker option file for $osname\n"); } } @@ -68,6 +69,8 @@ sub _write_aix { sub _write_os2 { my($data) = @_; + require Config; + my $threaded = ($Config::Config{archname} =~ /-thread/ ? " threaded" : ""); if (not $data->{DLBASE}) { ($data->{DLBASE} = $data->{NAME}) =~ s/.*:://; @@ -78,6 +81,7 @@ sub _write_os2 { open(DEF,">$data->{FILE}.def") or croak("Can't create $data->{FILE}.def: $!\n"); print DEF "LIBRARY '$data->{DLBASE}' INITINSTANCE TERMINSTANCE\n"; + print DEF "DESCRIPTION 'Perl (v$]$threaded) module $data->{NAME} v$data->{VERSION}'\n"; print DEF "CODE LOADONCALL\n"; print DEF "DATA LOADONCALL NONSHARED MULTIPLE\n"; print DEF "EXPORTS\n "; @@ -93,13 +97,59 @@ while (($name, $exp)= each %{$data->{IMPORTS}}) { close DEF; } +sub _write_win32 { + my($data) = @_; + + require Config; + if (not $data->{DLBASE}) { + ($data->{DLBASE} = $data->{NAME}) =~ s/.*:://; + $data->{DLBASE} = substr($data->{DLBASE},0,7) . '_'; + } + rename "$data->{FILE}.def", "$data->{FILE}_def.old"; + + open(DEF,">$data->{FILE}.def") + or croak("Can't create $data->{FILE}.def: $!\n"); + # put library name in quotes (it could be a keyword, like 'Alias') + if ($Config::Config{'cc'} !~ /^gcc/i) { + print DEF "LIBRARY \"$data->{DLBASE}\"\n"; + } + print DEF "EXPORTS\n "; + my @syms; + # Export public symbols both with and without underscores to + # ensure compatibility between DLLs from different compilers + # NOTE: DynaLoader itself only uses the names without underscores, + # so this is only to cover the case when the extension DLL may be + # linked to directly from C. GSAR 97-07-10 + if ($Config::Config{'cc'} =~ /^bcc/i) { + for (@{$data->{DL_VARS}}, @{$data->{FUNCLIST}}) { + push @syms, "_$_", "$_ = _$_"; + } + } + else { + for (@{$data->{DL_VARS}}, @{$data->{FUNCLIST}}) { + push @syms, "$_", "_$_ = $_"; + } + } + print DEF join("\n ",@syms, "\n") if @syms; + if (%{$data->{IMPORTS}}) { + print DEF "IMPORTS\n"; + my ($name, $exp); + while (($name, $exp)= each %{$data->{IMPORTS}}) { + print DEF " $name=$exp\n"; + } + } + close DEF; +} + sub _write_vms { my($data) = @_; require Config; # a reminder for once we do $^O + require ExtUtils::XSSymSet; my($isvax) = $Config::Config{'arch'} =~ /VAX/i; + my($set) = new ExtUtils::XSSymSet; my($sym); rename "$data->{FILE}.opt", "$data->{FILE}.opt_old"; @@ -115,23 +165,18 @@ sub _write_vms { # the GSMATCH criteria for a dynamic extension foreach $sym (@{$data->{FUNCLIST}}) { - if ($isvax) { print OPT "UNIVERSAL=$sym\n" } - else { print OPT "SYMBOL_VECTOR=($sym=PROCEDURE)\n"; } + my $safe = $set->addsym($sym); + if ($isvax) { print OPT "UNIVERSAL=$safe\n" } + else { print OPT "SYMBOL_VECTOR=($safe=PROCEDURE)\n"; } } foreach $sym (@{$data->{DL_VARS}}) { + my $safe = $set->addsym($sym); print OPT "PSECT_ATTR=${sym},PIC,OVR,RD,NOEXE,WRT,NOSHR\n"; - if ($isvax) { print OPT "UNIVERSAL=$sym\n" } - else { print OPT "SYMBOL_VECTOR=($sym=DATA)\n"; } + if ($isvax) { print OPT "UNIVERSAL=$safe\n" } + else { print OPT "SYMBOL_VECTOR=($safe=DATA)\n"; } } close OPT; - # Options file specifying RTLs to which this extension must be linked. - # Eventually, the list of libraries will be supplied by a working - # extliblist routine. - open OPT,'>rtls.opt'; - print OPT "PerlShr/Share\n"; - foreach $rtl (split(/\s+/,$Config::Config{'libs'})) { print OPT "$rtl\n"; } - close OPT; } 1; @@ -153,13 +198,15 @@ ExtUtils::Mksymlists - write linker options files for dynamic extension =head1 DESCRIPTION C produces files used by the linker under some OSs -during the creation of shared libraries for synamic extensions. It is +during the creation of shared libraries for dynamic extensions. It is normally called from a MakeMaker-generated Makefile when the extension is built. The linker option file is generated by calling the function C, which is exported by default from C. It takes one argument, a list of key-value pairs, in which the following keys are recognized: +=over + =item NAME This gives the name of the extension (I Tk::Canvas) for which @@ -213,6 +260,8 @@ extension itself (for instance, some linkers add an '_' to the name of the extension). If it is not specified, it is derived from the NAME attribute. It is presently used only by OS2. +=back + When calling C, one should always specify the NAME attribute. In most cases, this is all that's necessary. In the case of unusual extensions, however, the other attributes