On Thu, 2008-01-31 at 12:03 +0100, Robert Millan wrote:
> On Wed, Jan 30, 2008 at 03:55:59PM -0600, [EMAIL PROTECTED] wrote:
> > On Wed, Jan 30, 2008 at 11:06:50AM -0800, walt wrote:
> > >
> > > You can tell I'm desperate because I'm putting -lgcc everywhere I can
> > > think of. Here is the symbol in libgcc.a:
> >
> > I (like I found in pkgsrc-wip/grub2) am using a fake
> > __enable_execute_stack(),
>
> Ok, we could add that dummy __enable_execute_stack() but ...
>
> > -lgcc isn't necessary.
>
> ... if we remove -lgcc, what happens if it becomes necessary for other
> versions
> of GCC? Or does gcc already add libgcc per demand?
I got grub2 compiled on NetBSD using the fake in those pkgsrc patches.
I regenerated the patches below against grub2 cvs. They are the same
ideas you suggested earlier, I just didn't use them all at the same
time:
Index: include/grub/mm.h
===================================================================
RCS file: /sources/grub/grub2/include/grub/mm.h,v
retrieving revision 1.8
diff -u -r1.8 mm.h
--- include/grub/mm.h 21 Jul 2007 23:32:22 -0000 1.8
+++ include/grub/mm.h 1 Feb 2008 21:04:27 -0000
@@ -33,6 +33,7 @@
void EXPORT_FUNC(grub_free) (void *ptr);
void *EXPORT_FUNC(grub_realloc) (void *ptr, grub_size_t size);
void *EXPORT_FUNC(grub_memalign) (grub_size_t align, grub_size_t size);
+void EXPORT_FUNC(__enable_execute_stack) (void);
/* For debugging. */
#if defined(MM_DEBUG) && !defined(GRUB_UTIL)
Index: kern/mm.c
===================================================================
RCS file: /sources/grub/grub2/kern/mm.c,v
retrieving revision 1.19
diff -u -r1.19 mm.c
--- kern/mm.c 23 Jan 2008 14:57:40 -0000 1.19
+++ kern/mm.c 1 Feb 2008 21:04:28 -0000
@@ -66,6 +66,9 @@
#include <grub/disk.h>
#include <grub/dl.h>
+void __enable_execute_stack(void);
+void __enable_execute_stack(void) {}
+
#ifdef MM_DEBUG
# undef grub_malloc
# undef grub_realloc
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