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| Subject: | Win32: Do not use dlltool to create DLLs |
Using dlltool instead of gcc/ld cause the following problem in some cases:
-----
Error: Can't load '<Module>.dll' for module <Module>: load_file:Invalid
access to memory location at <Path>/lib/DynaLoader.pm line xxx
-----
This is due to dlltool being depreciated ([1] and [2]), and instead
ld/gcc should
be used with --enable-auto-image-base. Even with recent binutils (2.22)
this is
still an issue in rare cases, especially when stripping the DLL.
[1] http://sourceforge.net/mailarchive/message.php?msg_id=29151503
[2] http://sourceforge.net/mailarchive/message.php?msg_id=19025935
| Subject: | 0001-Win32-Do-not-use-dlltool-to-create-DLLs.patch |
From ddca82edd6d37255aaa8b7d654df4e38000e3284 Mon Sep 17 00:00:00 2001
From: Martin Schlemmer <Martin.Schlemmer@nwu.ac.za>
Date: Mon, 16 Jul 2012 13:06:10 +0200
Subject: [PATCH] Win32: Do not use dlltool to create DLLs
Using dlltool instead of gcc/ld cause the following problem in some cases:
-----
Error: Can't load '<Module>.dll' for module <Module>: load_file:Invalid access to memory location at <Path>/lib/DynaLoader.pm line xxx
-----
This is due to dlltool being depreciated ([1] and [2]), and instead ld/gcc should
be used with --enable-auto-image-base. Even with recent binutils (2.22) this is
still an issue in rare cases, especially when stripping the DLL.
[1] http://sourceforge.net/mailarchive/message.php?msg_id=29151503
[2] http://sourceforge.net/mailarchive/message.php?msg_id=19025935
---
lib/ExtUtils/MM_Win32.pm | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/lib/ExtUtils/MM_Win32.pm b/lib/ExtUtils/MM_Win32.pm
index 43ae9a4..42b0cf6 100644
--- a/lib/ExtUtils/MM_Win32.pm
+++ b/lib/ExtUtils/MM_Win32.pm
@@ -350,10 +350,9 @@ $(INST_DYNAMIC): $(OBJECT) $(MYEXTLIB) $(BOOTSTRAP) $(INST_ARCHAUTODIR)$(DFSEP).
');
if ($GCC) {
push(@m,
- q{ }.$DLLTOOL.q{ --def $(EXPORT_LIST) --output-exp dll.exp
- $(LD) -o $@ -Wl,--base-file -Wl,dll.base $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) $(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) dll.exp
- }.$DLLTOOL.q{ --def $(EXPORT_LIST) --base-file dll.base --output-exp dll.exp
- $(LD) -o $@ $(LDDLFLAGS) }.$ldfrom.q{ $(OTHERLDFLAGS) $(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) dll.exp });
+ q{ $(LD) $(EXPORT_LIST) -o $@ $(LDDLFLAGS) }.$ldfrom.q{ }
+ .q{$(OTHERLDFLAGS) $(MYEXTLIB) $(PERL_ARCHIVE) $(LDLOADLIBS) }
+ .q{-Wl,--enable-auto-image-base });
} elsif ($BORLAND) {
push(@m,
q{ $(LD) $(LDDLFLAGS) $(OTHERLDFLAGS) }.$ldfrom.q{,$@,,}
@@ -390,7 +389,7 @@ gcc. Otherwise, take out all *.pdb files.
sub extra_clean_files {
my $self = shift;
- return $GCC ? (qw(dll.base dll.exp)) : ('*.pdb');
+ return $GCC ? (q{}) : ('*.pdb');
}
=item init_linker
--
1.7.11.msysgit.1