Compile and run Objective C program on Ubuntu 11.04

Hello.m

#import <Foundation/Foundation.h>

int main (int argc, const char *argv[])
{
	@autoreleasepool {
	 NSLog(@"Hello World");
	}     
}

Makefile

CC = clang
GNUSTEP_LOCAL_HEADERS=/usr/GNUstep/Local/Library/Headers
GNUSTEP_LOCAL_LIBRARIES=/usr/GNUstep/Local/Library/Libraries
FLAGS = -lgnustep-base -fconstant-string-class=NSConstantString

all:	hello.m
	$(CC) -o hello hello.m -I $(GNUSTEP_LOCAL_HEADERS) -L $(GNUSTEP_LOCAL_LIBRARIES) $(FLAGS)

ObjectiveC_Ubuntu.txt

sudo apt-get install subversion
sudo apt-get install g++
sudo apt-get install gobjc
sudo apt-get install vim
sudo apt-get install curl
sudo apt-get install libffi-dev
sudo apt-get install libxml2-dev
sudo apt-get install libicu-dev
sudo apt-get install libgnutls-dev
svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm
cd llvm/tools
svn co http://llvm.org/svn/llvm-project/cfe/trunk clang
cd ../projects
svn co http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
cd ../../
mkdir build
cd build
../llvm/configure --enable-optimized
make
sudo make install
cd ../
curl http://www.openssl.org/source/openssl-1.0.1-beta3.tar.gz > openssl-1.0.1-beta3.tar.gz 
# Ignore the bit about openssl if you don't need a 
# recent one, I needed more recent than ubuntu's package manager provides
tar xvfz openssl-1.0.1-beta3.tar.gz
cd openssl-1.0.1-beta3
./config
make
sudo make install
cd ..
svn co http://svn.gna.org/svn/gnustep/tools/make/trunk/ gnustep-make
svn co http://svn.gna.org/svn/gnustep/libs/base/trunk/ gnustep-base
svn co http://svn.gna.org/svn/gnustep/libs/libobjc2/1.6/ libobjc2
cd gnustep-make
./configure --prefix=/usr/GNUstep --enable-native-objc-exceptions 
--with-layout=gnustep 
--with-config-file=/usr/GNUstep/Local/Configuration/GNUstep.conf
make
sudo make install
vim ~/.bashrc # Add . /usr/GNUstep/System/Library/Makefiles/GNUstep.sh
exit # And reopen shell
./configure --with-openssl-include=/usr/local/ssl/include --with-openssl-library=/usr/local/ssl/lib/ --enable-libffi --with-default-config=/usr/GNUstep/Local/Configuration/GNUstep.conf
make
sudo -E make install
cd ../libobjc2
export CC=clang
make
sudo -E make install
cd ../gnustep-make
./configure --prefix=/usr/GNUstep --enable-native-objc-exceptions --with-layout=gnustep --with-config-file=/usr/GNUstep/Local/Configuration/GNUstep.conf
sudo make install
cd ../gnustep-base
make clean
./configure --with-openssl-include=/usr/local/ssl/include --with-openssl-library=/usr/local/ssl/lib/ --enable-libffi 
--with-default-config=/usr/GNUstep/Local/Configuration/GNUstep.conf
make
sudo -E make install