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Conditional compiling [message #51364]

Fri, 15 March 2019 21:06

forlano
Messages: 1185
Registered: March 2006
Location: Italy

Senior Contributor

Hello,

my program run under Windows and Linux. The source code is the same but there are part of the code that works only in windows.
So far I used

#ifdef PLATFORM_WIN32
// windows code
#else
// linux code
#endif

to choose what to compile. In future I need to compile different the code depending of Windows, Linux and MacOS.

I wonder which def flag will permit me to separate the Linux stuff from the MacOS one.

Thanks a lot,
Luigi

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Re: Conditional compiling [message #51365 is a reply to message #51364]

Fri, 15 March 2019 22:00

Zbych
Messages: 325
Registered: July 2009

Senior Member

PLATFORM_OSX?

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Re: Conditional compiling [message #51366 is a reply to message #51365]

Fri, 15 March 2019 23:04

Klugier
Messages: 1076
Registered: September 2012
Location: Poland, Kraków

Senior Contributor

Hello,

It seems that for the UI applications Mirek is using PLATFORM_COCOA. Here is part of TheIDE that creates macOS global menu (ide/idebar.cpp - line 879):

void Ide::SetMenuBar()
{
#ifdef PLATFORM_COCOA
	SetMainMenu(THISBACK(MainMenu));
	menubar.Hide();
#else
	menubar.Set(THISBACK(MainMenu));
#endif
}

However, it is only true if Cocoa back-end is enable (currently default and the most advanced one for macOS). So, you can not relay on this flag for your console applications.

In the Core/config.h file there are following platform definitions that are equal on macOS:

			#define PLATFORM_MACOS 1
			#define PLATFORM_OSX 1

The above declaration are good to check for platform in low level code that doesn't require UI elements. Currently, I would prefer PLATFORM_MACOS over PLATFORM_OSX, because it agrees with current Apple naming convention for their desktop operating system. MAC OS X naming was abandon in 2016. Also, please notice that macOS is POSIX platform, so in most non UI cases you should relay on PLATFORM_POSIX flag.

Sincerely,
Klugier

U++ - one framework to rule them all.

[Updated on: Fri, 15 March 2019 23:08]

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Re: Conditional compiling [message #51395 is a reply to message #51366]

Wed, 20 March 2019 09:07

mirek
Messages: 13975
Registered: November 2005

Ultimate Member

Good explanation.

Just one clarification: I have dedicated PLATFORM_COCOA to "native" macos apps (using Cocoa as backend).

In theory, PLATFORM_OSX / PLATFORM_MACOS are active for X11 applications on Mac. Hopefully, that is not important anymore...

Mirek

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