[Qt-interest] What are the rules for capitalization of "config" in .pro files?

[Malyushytsky, Alex]

If we are talking about variables,
even if it may sound weird :)
everything capitalized in documentation
should be capitalized.

http://doc.qt.nokia.com/latest/qmake-variable-reference.html

If we talking about function, it is safe to read documentation too:
http://doc.qt.nokia.com/latest/qmake-variable-reference.html

I guess capitalization comes historically from system environment variables definition traditions.
So one main rule I would follow - follow documentation.

Regards,

Alex


-----Original Message-----
From: qt-interest-bounces+alex=wai.com at qt.nokia.com [mailto:qt-interest-bounces+alex=wai.com at qt.nokia.com] On Behalf Of K. Frank
Sent: Friday, February 04, 2011 4:00 PM
To: Qt-interest
Subject: [Qt-interest] What are the rules for capitalization of "config" in .pro files?

Hello All!

I have a .pro file set up to build both the debug and release versions
of an application, linked with the debug and release versions of a
library, respectively.

It seems that sometimes the "config" variable may be specified in
lowercase, but that other times it must be given in uppercase.
(I _think_ that always using uppercase works, but I might have had
a test case where this wasn't true.)


This works.


config += debug_and_release
CONFIG += build_all

CONFIG(debug, debug|release) {
  LIBS += -lmylib_debug
}
CONFIG(release, debug|release) {
  LIBS +=  -lmylib_release
}


But changing "CONFIG += build_all" to "config += build_all"
fails (in that running make with no arguments only builds
the debug version, rather than both the debug and release
versions).

Hardly a big deal, but does anyone know what's going on here?

As a practical matter should I always stick to uppercase "CONFIG",
or might that bite me in the future in other ways?


Thanks for any and all enlightenment.


K. Frank
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