bug#46256: [feature/native-comp] AOT eln files ignored if run from build tree

[Andy Moreton]

On Wed 03 Feb 2021, akrl--- via "Bug reports for GNU Emacs, the Swiss army 
knife of text editors" wrote:

> Andy Moreton <andrewjmoreton@gmail.com> writes:
>
>> Hi,
>>
>> I have built emacs native-comp branch for 64bit Mingw64 with
>> NATIVE_FULL_AOT=1 (out of tree, so build dir != source dir).
>>
>> I notice that if I run the built emacs from the build dir then the
>> prebuilt .eln files are ignored, and async compilation of the .eln file
>> happens again to add them to the user eln-cache dir.
>>
>> The prebuilt .eln files are not found in the user eln-cache (expected)
>> or the installed emacs directory (also expected), but it looks like it
>> does not also check the build dir (relative to the running emacs rather
>> than relative to the install prefix).
>>
>> Running from the build dir without installing is common for developers
>> building from source, so it would be useful to keep this working with
>> native AOT builds.
>>
>>     AndyM
>
> Hi Andy,
>
> could you share the values of PATH_DUMPLOADSEARCH and
> PATH_REL_LOADSEARCH from your epaths.h ?
>
> Thanks
>
>   Andrea

Native branch checkout is in: "c:/emacs/git/emacs/native/"

"c:/emacs/git/emacs/native/build/mingw64-x86_64-O2/src/epaths.h" contains:

#define PATH_DUMPLOADSEARCH "C:/emacs/git/emacs/native/lisp"
#define PATH_REL_LOADSEARCH "28.0.50/lisp"


HTH,

    AndyM