objcopy fix (for x86_64)

[Robert Millan <rmh@aybabtu.com>]

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This prevents objcopy from copying sections other than .text during the
./configure absolute address test.  On i386, our conftest only has .text
and .comment (which is skipped), but on x86_64 there's an additional
.eh_frame section which isn't skipped unless you tell it to.

Just one step further towards x86_64 grub ;-)

Comments?

-- 
Robert Millan

<GPLv2> I know my rights; I want my phone call!
<DRM> What use is a phone call, if you are unable to speak?
(as seen on /.)

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	* aclocal.m4 (grub_PROG_OBJCOPY_ABSOLUTE): Pass `--only-section=.text'
	to objcopy.

diff -ur grub2.old/aclocal.m4 grub2/aclocal.m4
--- grub2.old/aclocal.m4	2007-02-03 12:36:13.000000000 +0100
+++ grub2/aclocal.m4	2007-11-18 11:34:06.000000000 +0100
@@ -61,7 +61,7 @@
   else
     AC_MSG_ERROR([${CC-cc} cannot link at address $link_addr])
   fi
-  if AC_TRY_COMMAND([${OBJCOPY-objcopy} -O binary conftest.exec conftest]); then :
+  if AC_TRY_COMMAND([${OBJCOPY-objcopy} --only-section=.text -O binary conftest.exec conftest]); then :
   else
     AC_MSG_ERROR([${OBJCOPY-objcopy} cannot create binary files])
   fi