installing objective c compiler - objective-c

Question

i wanted to install objective c compiler for ubuntu.
this site was used to install GNUstep on ubuntu.
http://www.techotopia.com/index.php/Installing_and_Using_GNUstep_and_Objective-C_on_Linux
then commands were written in following order in terminal-
sudo apt-get install gnustep
sudo apt-get install gnustep-devel
then,i wrote my sample code and saved it as hello.m
#import <Foundation/Foundation.h>
int main (int argc, const char * argv[])
{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
NSLog (#"hello world");
[pool drain];
return 0;
}
then,i typed in terminal
. /usr/share/GNUstep/Makefiles/GNUstep.
gcc `gnustep-config --objc-flags` -lgnustep-base hello.m -o hello
then,an error message appeared that
gcc: gnustep-config --objc-flags: No such file or directory
hello.m:1:23: fatal error: Foundation.h: No such file or directory
compilation terminated.
then,i wrote
sudo apt-get install gobjc
then,terminal showed
Reading package lists... Done
Building dependency tree
Reading state information... Done
gobjc is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 205 not upgraded.
then,i again compiled but it showed again the same error.
hp#ubuntu:~$ gcc 'gnustep-config --objc-flags' -lgnustep-base hello.m -o hello
gcc: gnustep-config --objc-flags: No such file or directory
hello.m:1:23: fatal error: Foundation.h: No such file or directory
compilation terminated.
so,need some help..

Answer 1

Try running:
gnustep-config --objc-flags
on its own to check if it returns error or appropriate gcc flags, etc.
Also, try finding the location for the include dir and add it explicitly with -Idir option to gcc