building libgcrypt with --host x86_64-w64-mingw32

[Jussi Kivilinna]

Hello,

On 16.02.2016 05:27, Daniel Kahn Gillmor wrote:
> Hi Gcrypt devs--
> 
> i'm exploring building gcrypt 1.6.5 using mingw32 on debian, and i find
> i can build it OK with i686-w64-mingw32-gcc (./configure --host
> i686-w64-mingw32), but not with x86_64-w64-mingw32-gcc (./configure
> --host x86_64-w64-mingw32).  In particular:
> 
>  * random/rndhw.c fails to build because it selects 32-bit assembler
>    because __x86_64__ and __LP64__ are not #define'd
> 
>  * linking libgcrypt-20.dll fails because the underlying assembly isn't
>    produced, lots of errors like this one:
> 
>     mpi/mpi-inline.h:125: undefined reference to `_gcry_mpih_sub_n'
> 
> Both of these changes are to do with assembler, i note.
> 
> 
> By way of contrast, I'm successfully able to build libgpg-error-0.dll
> using both toolchains, producing dlls recognized by /usr/bin/file as
> corresponding to these platforms:
> 
>  i686-w64-mingw32/bin/libgpg-error-0.dll:   PE32 executable (DLL) (console) Intel 80386, for MS Windows
>  x86_64-w64-mingw32/bin/libgpg-error-0.dll: PE32+ executable (DLL) (console) x86-64, for MS Windows
> 
> Has anyone built libgcrypt for 64-bit Windows with mingw?  Is this a
> targeted platform?  If so, is there something i should try to get
> libgcrypt to cross-build cleanly for that target?

Building for win64 have been fixed in development branch, but not
backported to 1.6.x.

 * random/rndhw.c needs d5a7e00b6b222566a5650639ef29684b047c1909
 * random/rndw32.c needs 0cdd24456b33defc7f8176fa82ab694fbc284385

... and so on.

-Jussi

> 
>           --dkg
> 
> 
> 
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> Gcrypt-devel at gnupg.org
> http://lists.gnupg.org/mailman/listinfo/gcrypt-devel
> 


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