building gpgme for Android dies on install

[Hans-Christoph Steiner]

On 08/16/2012 07:58 PM, Hans-Christoph Steiner wrote:
> 
> 
> On 08/16/2012 02:36 PM, Hans-Christoph Steiner wrote:
>>
>> On 08/16/2012 03:31 AM, Marcus Brinkmann wrote:
>>> On 08/16/2012 03:35 AM, Hans-Christoph Steiner wrote:
>>>>
>>>> I believe I found the source of the trouble. The various *-config
>>>> scripts all return values based on the assumption that everything will
>>>> be installed before being used.  Since we're cross-compiling, that's not
>>>> the case.
>>>
>>> pkgconfig and its imitations (such as our config scripts) share this
>>> problem with libtool.
>>>
>>>> So now I'm trying to force things by using sed to replace prefix= in the
>>>> various *-config scripts, but I haven't find a good time in the process
>>>> to do that, and a good pattern to guarantee the results needed...
>>>
>>> Don't forget the .la files :)  That's actually the canonical way to do
>>> it, I think (and yes, it's a PITA).  For GPGME and friends, you can also
>>> just build and install for the cross-compilation build paths, and
>>> use the --with-gpg and --with-gpgsm etc. options to specify the
>>> hard-coded target file names of the crypto engines.  The result is
>>> relocatable except for the .la and -config files, which need to be fixed
>>> up anyway.  (So, if you want to develop on build and target, you
>>> absolutely need two copies of those files, no matter what you do).
>>
>> Ah yes!  That was the trick to get everything to build.  I set --prefix=
>> on all of the libs to what I had been using for  $(DESTDIR)$(prefix) and
>> the whole build worked.  I'll test it now.  The only question I have is
>> that setting --prefix= in gnupg will alter where gpg-agent puts its
>> socket file, no?
> 
> And changing prefix= to the whole thing on 'gnupg' means it looks in the
> wrong place for dirmngr and friends. Looks like I'll need a sed hack
> after all.

Ok, I think I got the right combo of prefix and DESTDIR, and then
setting the paths to the various tools.  Now I'm stuck with an "Invalid
crypto engine" exception from gpgme even tho the path to the gpg2 that
it has is correct, and gpg2 seems to work in the Android terminal.

.hc