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Questions tagged [gnustep]

a free implementation of Cocoa (formerly NeXT's OpenStep) Objective-C libraries (called frameworks), widget toolkit, and application development tools. It is part of the GNU Project.

198 questions
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objective c gnustep - cannot separate interface and implementation files

I am using gnustep for objective-c on windows. If i keep interface and implementation files of a class together with main file, it compiles without error and gives expected output. Following is the example: // File "classA.h" #import…
user427969
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"Can't find protocol declaration for 'NSApplicationDelegate'" on GNUstep for Windows?

I'm trying to compile some Objective-C code that was written by another programmer on a Mac. I'm using GNUstep for Windows to try and get this code working on my home computer. I really just need his code bits to run, and have little (read: zero)…
Eric
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Compile Objective-C with GNUstep

I'm a newbie in Objective-C. I'm trying to compile Objective-C with GNUstep but it's giving errors. I tried to both compile on command line (gcc and makefile). No such file or directory / excepted '>' before 'GSPredicateBlock' … I used the…
miniplayground
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Missing dll files error in Objective-C programs

I am a beginner in Objective-C language. I have downloaded and installed GNUstep msys and GNUstep core and installed them in order, as mentioned in the downloads page of GNUstep. But, I think that the installation isn't correct, because whenever I…
Puspam
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Need help to compile an objective c program on windows XP

I am a very new to objective c and start learning I started referring some tutorials and books. One of them is http://www.techotopia.com/index.php/Installing_and_using_GNUstep_and_Objective-C_on_Windows I installed GNUstep on windows as instructed…
Sushant Srivastava
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Calling a method every second doesn't work

I am trying to schedule a GNUStep Objective-C method call to run every second for a variable number of seconds. I am trying to use NSTimer to schedule the method call, but the handler method never gets called. Here is my code: Timer.m: - (id) init…
Techgineer
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GNUStep Attempt to use SSL/TLS without support

When I run my GNUStep tool, I get the following warning: 2011-01-30 18:21:49.382 GVPushNotificationServer[59326] Attempt to use SSL/TLS without support. 2011-01-30 18:21:49.382 GVPushNotificationServer[59326] Please reconfigure gnustep-base with GNU…
David Beck
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Gorm main window does not accept drag-and-drop

When I try to add any widget (label, button ...) to main application Window in Gorm, the Window does not accept the widget. I try to drag and drop but nothing wants to 'stick'. When I select and left click on button widget in palette window the…
stefanB
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Objective-c compiling issues... help?

Please forgive me since this question i am also sure, has been asked before i expect. The problem i am having is that i am trying to learn obj-c on a pc seeing as i do not have a mac yet. i am using Jedit to write my code and GNUstep to compile and…
WannaBeCodeMonkey
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Objective-c Loop in NSThread

I want to build a object that can run a loop in thread. When I run a loop in thread using NSThread, sometimes works fine and sometimes the error message appear : Uncaught exception NSInvalidArgumentException, reason: Tried to add nil value for key…
Sam
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NSData bytes readonly?

According to the GNUstep documentation, [NSData bytes] returns const void*. Does that mean that I'm not supposed to modify the data referenced by that pointer? Currently I'm modifying the data, and it works for me. I can write to a file and the…
not-a-user
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Uncaught exception NSInvalidArgument Exception does not respond to forwardInvocation

I am trying to learn Objective-C and have written a small program but I cannot get it to compile. I get the following error message. Uncaught exception NSInvalidArgumentException, reason: GSFFIInvocation: Class 'ClassA'(class) does not respond to…
basil
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GNUstep - Can GORM open Interface Builder-created NIB files or not?

I have created a working project in XCode + Interface Builder on my iMac. I would like to port it to my Windows XP machine, which has GNUStep installed (and it seems to work okay as long as I create programs from scratch on there). I have…
Peter Huber
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GNUStep base make error

I am installing GNUSTEP on MAC OS X. I am using gnu c compiler(5.1). Following the steps from README.Darwin which is present in the gnu package. Everything went fine until the make step for gnu base. I am getting the following errors …
Chandan
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Is it possible to run a compiled program with Xcode on Mac OS X in FreeBSD? (Objective-C/Cocoa)

I have a plan to build a web-site which running CGI made with Cocoa. My final goal is develop on Mac OS X, and run on FreeBSD. Is this possible? As I know, there is a free implementation of some NextStep classes, the GNUStep. The web-site is almost…
eonil
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