[fpc-devel] Annoying error when building compiler on i386-win32

J. Gareth Moreton gareth at moreton-family.com
Tue Apr 6 12:20:11 CEST 2021

I'm trying to avoid removing the $linklib statement, but currently it's 
the only way to build the i386-win32 compiler on my 64-bit system.  I'm 
suggesting turning the error into a warning, if the correct DLL can't be 
found, because it doesn't affect successful compilation of the unit.

Of course, being able to locate the correct 32-bit DLL or some such is 
better overall, although I would still propose a warning over an error.

Gareth aka. Kit

On 06/04/2021 09:42, Michael Van Canneyt via fpc-devel wrote:
> On Tue, 6 Apr 2021, Florian Klämpfl via fpc-devel wrote:
>>> Am 06.04.2021 um 07:37 schrieb Sven Barth via fpc-devel 
>>> <fpc-devel at lists.freepascal.org>:
>>> Am 05.04.2021 um 20:33 schrieb J. Gareth Moreton via fpc-devel:
>>>> Hi everyone,
>>>> I have a slightly annoying error when building the compiler for 
>>>> i386-win32.  I mentioned it to Sven a while ago, and the cause is 
>>>> due to the fact that my copy of common.dll is 64-bit, not 32-bit 
>>>> (as Sven confirmed for me).
>>>> Compiling .\oracle\src\oraoci.pp
>>>> oraoci.pp(1437) Error: Invalid DLL C:\WINDOWS\system32\common.dll, 
>>>> invalid header size
>>>> oraoci.pp(1437) Fatal: There were 1 errors compiling module, stopping
>>>> Fatal: Compilation aborted
>>>> Simply commenting out "{$linklib common}" on line 19 of the above 
>>>> file fixes the problem.  I would like to propose that this error be 
>>>> changed to a warning, since apparently not having the library 
>>>> present doesn't cause issues for compilation, just possibly 
>>>> execution later on.
>>> No. If you have a messed up system, that is not *our* fault.
>> But isn’t the complaint valid to a certain degree: if one cross 
>> compiles from x86_64-win64 to i386-win32, then the wrong DLLs are 
>> checked due to folder redirection, no? We have only code in place for 
>> the other direction (i386-win32 to x86_64-win64).
> The weird behaviour of windows is is not a valid reason to remove a 
> {$linklib} statement.
> Michael.
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