Thread overview
DWT fails to build with DMD 2.074.0
Apr 29
JamesD
Apr 29
JamesD
April 29
Is there a known issue with DMD 2.074.0 importing *.di files?

(If no answer here, I will re-post in the DMD thread)

I've searched, but could not find this issue in the forums.

The following errors occur on both linux and windows when building a simple hello world DWT gui app. The same code builds on DMD 2.073.2 with no errors on both 32-bit and 64-bit linux and windows.

Build error with DMD 2.074.0 importing *.di files:
    https://pastebin.com/UgWNqZzh

It is beyond my technical ability to decipher what the core issue is.

The same code builds with no errors when importing the corresponding *.d files instead of the *.di files.

There are no errors building the DWT static libraries with DMD 2.074.0.
The errors occur when building a simple hello.d DWT gui app.

The obvious work-around is to import the *.d files instead of the *.di files.
Building *.d files is a little slower, but almost negligible on a fast PC.

However, there are minor issues with a few of the *.d files.
There are double semi-colons (;;) at the end of a few lines.
Here are the warnings building *.d files with dmd on linux:
    https://pastebin.com/Zw7LjTh3
Perhaps I'll do a pull request to fix these minor errors?


April 29
On Saturday, 29 April 2017 at 12:42:09 UTC, JamesD wrote:
> Is there a known issue with DMD 2.074.0 importing *.di files?
>
> (If no answer here, I will re-post in the DMD thread)
>
> I've searched, but could not find this issue in the forums.
>
> The following errors occur on both linux and windows when building a simple hello world DWT gui app. The same code builds on DMD 2.073.2 with no errors on both 32-bit and 64-bit linux and windows.
>
> Build error with DMD 2.074.0 importing *.di files:
>     https://pastebin.com/UgWNqZzh
>
> It is beyond my technical ability to decipher what the core issue is.
>
> The same code builds with no errors when importing the corresponding *.d files instead of the *.di files.
>
> There are no errors building the DWT static libraries with DMD 2.074.0.
> The errors occur when building a simple hello.d DWT gui app.
>
> The obvious work-around is to import the *.d files instead of the *.di files.
> Building *.d files is a little slower, but almost negligible on a fast PC.
>
> However, there are minor issues with a few of the *.d files.
> There are double semi-colons (;;) at the end of a few lines.
> Here are the warnings building *.d files with dmd on linux:
>     https://pastebin.com/Zw7LjTh3
> Perhaps I'll do a pull request to fix these minor errors?

Are the *.di generated automatically, or are they written by hand? The compiler is known [0] to have problems with header (*.di) generation, and IIRC there were some fixes recently [1] that may have caused this problem. On the other hand there are no known issues with importing *.di, since it works the same as as improting plain *.d files (*.di is only a convention - you can functions without bodies or vice versa in both).

Looking at https://pastebin.com/UgWNqZzh it seems that the problem shouldn't be hard to solve, since it's only a syntax error. I suggest examining and manually editing ../dwt/imp/org/eclipse/swt/accessibility/Accessible.di to narrow down the problem.

I have no knowledge of DWT, so sorry if this is not very helpful.

[0]: https://issues.dlang.org/buglist.cgi?bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=VERIFIED&component=dmd&list_id=214662&product=D&query_format=advanced&resolution=---&short_desc=header%20generation&short_desc_type=anywordssubstr
[1]: http://dlang.org/changelog/2.074.0.html issue 15676
April 29
On Saturday, 29 April 2017 at 13:54:04 UTC, Petar Kirov [ZombineDev] wrote:
> Are the *.di generated automatically, or are they written by hand? The compiler is known [0] to have problems with header (*.di) generation, and IIRC there were some fixes recently [1] that may have caused this problem. On the other hand there are no known issues with importing *.di, since it works the same as as improting plain *.d files (*.di is only a convention - you can functions without bodies or vice versa in both).
>
> Looking at https://pastebin.com/UgWNqZzh it seems that the problem shouldn't be hard to solve, since it's only a syntax error. I suggest examining and manually editing ../dwt/imp/org/eclipse/swt/accessibility/Accessible.di to narrow down the problem.
>
> I have no knowledge of DWT, so sorry if this is not very helpful.
>
> [0]: https://issues.dlang.org/buglist.cgi?bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=VERIFIED&component=dmd&list_id=214662&product=D&query_format=advanced&resolution=---&short_desc=header%20generation&short_desc_type=anywordssubstr
> [1]: http://dlang.org/changelog/2.074.0.html issue 15676

Thank you for your feedback and for the links to the bug reports!

The *.di files are generated by DMD when building the *.di files, not by hand.

I makes sense that it is an issue with DMD creating the *.di files, versus  importing.

Understood about editing the *.di files manually, but they are intended to be rebuilt depending on platform and arch.

However, manually editing the *.d file is an option.  I'm not sure if I have the technical knowledge to do this, but I'll consider after reviewing any other feedback.