[Interest] Qt6 porting guidance: (MSDEV) QMAKE_CXXFLAGS += /source-charset

[Mike Chinander]

Does it let you remove the utf-8 option?

QMAKE_CXXFLAGS -= /utf-8


On Thu, Jul 8, 2021 at 8:20 PM David M. Cotter <dave at kjams.com> wrote:

> all my source code was originally written on mac in the late 90's early
> aughts. (of course more written since, but using same source file text
> encoding)
>
> it's a monumental project, with localizations in about over half a dozen
> languages
>
> all the source code, and therefore the in-line strings are "MacRoman" text
> encoding: strings have curly quotes, and ellipsis, and who knows what else
> non-ascii characters
>
> this worked just fine up 'till Qt 5, the windows compiler would would just
> swallow the MacRoman strings and they would show up in the ui, properly
> localized (i use my own localization subsystem)
>
> but with Qt6, the msdev compiler chokes on all my non-ascii strings.
>
> come to find out Qt6 is passing "/source-charset:utf-8" to the compiler.
> how did i find out?
>
> cuz i tried to explicitly pass "/source-charset:.10000" in my .pro file,
> like this:
>
> QMAKE_CXXFLAGS += /source-charset:.10000
>
>
> but then i get an error saying this:
>
> cl : Command line error D8016 : '/source-charset:.10000' and '/utf-8'
> command-line options are incompatible
>
>
> so what gives? has qt6 taken away my right to decide the encoding of my
> own files?
>
> i have THOUSANDS of files. and if i change the strings, that is a very big
> cost relating to re-translating them for localization.
>
> and no, before you suggest it, i can't convert the sources to utf8
> encoding either, cuz that would break a lot of other stuff.
>
> how do i fix this?
>
> -dave
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