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Re: emacs-w32 not starting - libgd3 problem


On 20/08/2016 18:54, Ken Brown wrote:
On 8/20/2016 9:41 AM, Marco Atzeri wrote:
On 20/08/2016 04:52, Ken Brown wrote:
On 8/19/2016 4:03 PM, Ken Brown wrote:
On 8/19/2016 11:22 AM, Ken Brown wrote:
On 8/19/2016 9:55 AM, Ken Brown wrote:
On 8/19/2016 6:27 AM, Peter Hull wrote:
Hi all,



It seems more a libgd3 build problem.
Specially if it happens only on 32bit and not on 64bit.

The difference between 32-bit and 64-bit is due to differences in
ImageMagick on the two platforms.

On 32-bit, as I showed in an earlier message, I get:

$ objdump -p /usr/bin/cygMagickCore-6.Q16-2.dll
[...]
        DLL Name: cyggd-3.dll
        vma:  Hint/Ord Member-Name Bound-To
        48ee2c      8  WebPDecode
[...]

On 64-bit, I get:

$ objdump -p /usr/bin/cygMagickCore-6.Q16-2.dll
[...]
        DLL Name: cygwebp-5.dll
        vma:  Hint/Ord Member-Name Bound-To
[...]
        48096c    271  WebPDecode
[...]

Moreover, libMagickCore6_2 depends on libgd3 on 32-bit but not 64-bit.
So it seems that ImageMagick needs to be rebuilt on 32-bit so as to
remove this dependency.

Ken


Hi Ken,
the 32bit depends on both

/usr/bin/cyggd-3.dll  =>  libgd3-2.1.1-2
/usr/bin/cygwebp-5.dll  =>  libwebp5-0.4.4-1

the 64 bit is missing  the first.
So in theory I should rebuild the 64 one to include the libgd3
dependency.

You can verify with
objdump -x  cygMagickCore-6.Q16-2.dll|grep DLL |sort

The libgd3-2.1.1-2 has on both 32 and 64 bit

 $ objdump -x cyggd-3.dll |grep WebP
        [   8] WebPDecode
        [   9] WebPEncode
        [  10] WebPGetInfo
        [  11] WebPGetPSNR

So before my rebuild we need to understand what's happened to
libgd3.

Regards
Marco

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