Windows C compile configuration #defines WINVER 0x0500 ...

[howard.thomson]

Hi,

I am having problems with getting transparent windows to work, and it occurred to me to have a look at the Makefiles for my project, which include the line:

CFLAGS = -O0 -pipe -imacros eif_config.mingw.h -D_WIN32_WINNT=0x0500 -DWINVER=0x0500 -D_UNICODE -DUNICODE -DWIN32_LEAN_AND_MEAN   -DWORKBENCH -I"C:\Users\hat\EiffelStudio/studio/spec/win64/include" -I. $(INCLUDE_PATH)

CPPFLAGS = -O0 -pipe -imacros eif_config.mingw.h -D_WIN32_WINNT=0x0500 -DWINVER=0x0500 -D_UNICODE -DUNICODE -DWIN32_LEAN_AND_MEAN   -DWORKBENCH -I"C:\Users\hat\EiffelStudio/studio/spec/win64/include" -I. $(INCLUDE_PATH)

In particular, -DWINVER=0x0500 and -D_WIN32_WINNT=0x0500

Both of these imply a  minimum of Windows Server 2003 or thereabouts, whereas I need a minimum of 0x602 for Windows 8 functionality.

I seem to be finding dead-ends everywhere so far, including the two config.sh files where I have tried to alter this, so far without success.

Where do I change the configuration for these #defines, and is it likely to make any difference ?

[r...@amalasoft.com]

Hi Howard

While I can't say if such will work, adding a C compilation flag is easy enough.

In Eiffel Studio, open the project settings dialog (from the tool bar).  Right-click on the Advanced/Externals item, exposing a popup menu that includes the "Add C flag" option.

R

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[howard.thomson]

I tried the Add C Flag option, and it failed, with a warning that WINVER was being redefined, and it was then ignored in the compilation.

I need to find where -DWINVER is derived from -- possibly in the WEL library .ecf, or a config.sh that I haven't yet identifiied.

H

[r...@amalasoft.com]

And this might be a good occasion to request a tweak to the UI.  If, instead of a right-button popup, there were another layer of tree items, those options would be much more obvious to users.

R

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[r...@amalasoft.com]

Hi Howard

I grepped around a bit and found the file  w32api.h in c:/Program Files/Eiffel Software/EiffelStudio 18.01 GPL/gcc/win64/mingw/x86_64-w64-mingw32/include/

It might be clue at least.

R

-------- Original Message --------
Subject: Re: [eiffel-users] Windows C compile configuration #defines
WINVER 0x0500 ...
From: "howard.thomson" <howard.a...@gmail.com>
Date: Thu, December 03, 2020 9:01 am
To: Eiffel Users <eiffel...@googlegroups.com>

I tried the Add C Flag option, and it failed, with a warning that WINVER was being redefined, and it was then ignored in the compilation.

I need to find where -DWINVER is derived from -- possibly in the WEL library .ecf, or a config.sh that I haven't yet identifiied.

H

On Thursday, 3 December 2020 at 12:26:12 UTC rfo wrote:

To view this discussion on the web visit https://groups.google.com/d/msgid/eiffel-users/cb91f58a-4dbe-4d55-88ca-bf6b7303e821n%40googlegroups.com.