04.01.2018, 17:51, "Edward Welbourne" <edward.welbou...@qt.io>: > René J.V. Bertin: >>>> Here's a silly one: configuring Qt for building on my Linux rig I was told >>>> that I needed Xcode, and how to get it. :) >>>> >>>> Long story short, it turns out that the configure script determines >>>> whether it's building on Mac by checking if the Carbon framework exists >>>> in the designated location. And it turns out that I copied over the >>>> entire header dir. structure under /System/Library/Frameworks onto said >>>> Linux rig because I use it for cross-platform development. >>>> >>>> Apart from the fact that it should probably check for a framework with a >>>> more certain future, isn't there a less "rootsy" way of determining >>>> whether the script is running on Mac? > > On quinta-feira, 21 de dezembro de 2017 04:47:34 CST Konstantin Tokarev wrote: >>> Check uname maybe? > > Thiago Macieira (21 December 2017 12:54) replied: >> That would tell you the host you're running on, not the target you're >> compiling to. >> >> If your sysroot contains Apple files, it's reasonable to conclude it's an >> Apple system. > > Well, it's reasonable to conclude you're set up to be capable of > compiling for an Apple system; as here, it's possible this may be for > the sake of cross-compiling; but the fact of having the means to > cross-compile for a particular target does not mean that every build > done on this machine necessarily is a cross-compile for that target. > > It does sound like we're a little too enthusiastic about jumping to a > conclusion here - is there a better way to decide what we're compiling > for ? Surely we should ignore uname if configure has options that > explicitly ask for cross-compilation; but it's a reasonable thing to > consult otherwise, when auto-detecting in the absence of explicit > instructions - in particular, more to be trusted than the existence of > (possibly non-native) frameworks,
Note that in opening letter different question was asked, namely how to detect if script is running on Mac or not, presumably to avoid asking Linux users to install Xcode. > > Eddy. > _______________________________________________ > Development mailing list > Development@qt-project.org > http://lists.qt-project.org/mailman/listinfo/development -- Regards, Konstantin _______________________________________________ Development mailing list Development@qt-project.org http://lists.qt-project.org/mailman/listinfo/development