J'essaye de compiler l'exemple suivant de http://www.otierney.net/objective-c.html. Il se compose de trois fichiers:Compilation de l'objectif c sous Linux
Fraction.h
#import <Foundation/NSObject.h>
@interface Fraction: NSObject {
int numerator;
int denominator;
}
-(void) print;
-(void) setNumerator;
-(void) setDenominator;
-(int) numerator;
-(int) denominator;
@end
Fraction.m
#import <stdio.h>
@implementation Fraction
-(void) print {
printf("%i/%i", numerator, denominator);
}
-(void) setNumerator: (int) n {
numerator = n;
}
-(void) setDenominator: (int) d {
denominator = d;
}
-(int) denominator {
return denominator;
}
-(int) numerator {
return numerator;
}
@end
main.m
#import <stdio.h>
#import "Fraction.h"
int
main(int argc, char **argv)
{
//Create a new instance
Fraction *frac = [[Fraction alloc] init];
//set the values
[frac setNumerator: 1];
[frac setDenominator: 3];
//print it
printf("The fraction is: ");
[frac print];
printf("\n");
//Frac memory
[frac release];
return 0;
}
à l'aide suivante pour compiler
$ gcc `gnustep-config --objc-flags` -lobjc -lgnustep-base main.m -o main
Cela produit un fichier main.d, qui est juste ascii
$ cat main.d
main: main.m Fraction.h /usr/include/GNUstep/Foundation/NSObject.h \
/usr/include/GNUstep/Foundation/NSObjCRuntime.h \
/usr/include/GNUstep/GNUstepBase/GSVersionMacros.h \
/usr/include/GNUstep/GNUstepBase/GSConfig.h \
/usr/include/GNUstep/GNUstepBase/preface.h \
/usr/include/GNUstep/GNUstepBase/GSObjCRuntime.h \
/usr/include/GNUstep/ObjectiveC2/runtime.h \
/usr/include/GNUstep/ObjectiveC2/Availability.h \
/usr/include/GNUstep/Foundation/NSZone.h \
/usr/include/GNUstep/GNUstepBase/GNUstep.h \
/usr/include/GNUstep/Foundation/NSDate.h \
/usr/include/GNUstep/GNUstepBase/NSObject+GNUstepBase.h
Fraction.h:
/usr/include/GNUstep/Foundation/NSObject.h:
/usr/include/GNUstep/Foundation/NSObjCRuntime.h:
/usr/include/GNUstep/GNUstepBase/GSVersionMacros.h:
/usr/include/GNUstep/GNUstepBase/GSConfig.h:
/usr/include/GNUstep/GNUstepBase/preface.h:
/usr/include/GNUstep/GNUstepBase/GSObjCRuntime.h:
/usr/include/GNUstep/ObjectiveC2/runtime.h:
/usr/include/GNUstep/ObjectiveC2/Availability.h:
/usr/include/GNUstep/Foundation/NSZone.h:
/usr/include/GNUstep/GNUstepBase/GNUstep.h:
/usr/include/GNUstep/Foundation/NSDate.h:
/usr/include/GNUstep/GNUstepBase/NSObject+GNUstepBase.h:
S'il vous plaît reformater. Il y a des instructions disponibles en cliquant sur la grosse orange? juste au-dessus de la fenêtre d'édition. – Jonathan
Quelle est la question? – mathk