GNUstep under Ubuntu Linux
The most simple way to get an up-to-date installation of GNUstep on Debian or Ubuntu is to add the GNUstep weekly PPA to your distribution sources, provided by the GNUstep Developers team on Launchpad. On how to do this in detail, see the PPA page.
Compiling manually
- Uses clang and libobjc2 for all the new features like ARC, Blocks, etc.
- Works with a fresh install and likely with a more completed installation.
- Works on Ubuntu 12.10 Server.
- Works on Ubuntu 13.10 Desktop.
- If you're trying Ubuntu 12.04 Desktop, see bottom of the page for help.
After this, you can try to install EtoileOS: see EtoileOS under Ubuntu Linux.
sudo apt-get install aptitude # Dependencies sudo aptitude -y install build-essential git subversion ninja cmake # Dependencies for GNUStep Base sudo aptitude -y install libffi-dev libxml2-dev libgnutls-dev libicu-dev # Dependencies for libdispatch sudo aptitude -y install libblocksruntime-dev libkqueue-dev libpthread-workqueue-dev autoconf libtool cd ~ git clone git://github.com/nickhutchinson/libdispatch.git svn co http://svn.gna.org/svn/gnustep/modules/core svn co http://svn.gna.org/svn/gnustep/libs/libobjc2/trunk libobjc2 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 ~/llvm mkdir build cd build cmake .. make -j8 # 8=your number of build CPUs echo "export PATH=\$PATH:~/llvm/build/bin" >> ~/.bashrc echo "export CC=clang" >> ~/.bashrc echo "export CXX=clang++" >> ~/.bashrc source ~/.bashrc clang -v clang++ -v cd ~/libobjc2 mkdir build cd build cmake .. make -j8 sudo -E make install cd ~/core/make ./configure --enable-debug-by-default --with-layout=gnustep --enable-objc-nonfragile-abi make && sudo -E make install echo ". /usr/GNUstep/System/Library/Makefiles/GNUstep.sh" >> ~/.bashrc source ~/.bashrc sudo /sbin/ldconfig cd ~/core/base/ ./configure make -j8 sudo -E make install cd ~/libdispatch sh autogen.sh ./configure CFLAGS="-I/usr/include/kqueue" LDFLAGS="-lkqueue -lpthread_workqueue -pthread -lm" make -j8 sudo -E make install sudo ldconfig # ---------------------------------------------------------------------------------------- # TEST COMPILING SOME CODE FROM THE INTERNET # ---------------------------------------------------------------------------------------- You can compile the following code with: clang `gnustep-config --objc-flags` `gnustep-config --objc-libs` -fobjc-runtime=gnustep -fblocks -fobjc-arc -lobjc blocktest.m clang `gnustep-config --objc-flags` `gnustep-config --objc-libs` -fobjc-runtime=gnustep -fblocks -lobjc -ldispatch -lgnustep-base Fraction.m helloGCD_objc.m cat > blocktest.m << EOF #include <stdio.h> int main() { void (^hello)(void) = ^(void) { printf("Hello, block!\n"); }; hello(); return 0; } EOF cat > helloGCD_objc.m << EOF #include <dispatch/dispatch.h> #import <stdio.h> #import "Fraction.h" int main( int argc, const char *argv[] ) { dispatch_queue_t queue = dispatch_queue_create(NULL, NULL); Fraction *frac = [[Fraction alloc] init]; [frac setNumerator: 1]; [frac setDenominator: 3]; // print it dispatch_sync(queue, ^{ printf( "The fraction is: " ); [frac print]; printf( "\n" ); }); dispatch_release(queue); return 0; } EOF cat > Fraction.h << EOF #import <Foundation/NSObject.h> @interface Fraction: NSObject { int numerator; int denominator; } -(void) print; -(void) setNumerator: (int) n; -(void) setDenominator: (int) d; -(int) numerator; -(int) denominator; @end EOF cat > Fraction.m << EOF #import "Fraction.h" #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 EOF # ------------------------------------------------------ # ADDITIONAL OPTIONAL STEPS FOR INSTALLING GUI AND BACK # (i.e., if you're running Ubuntu Desktop) # ------------------------------------------------------ sudo aptitude install -y libjpeg-dev libtiff-dev libffi-dev sudo aptitude install -y libcairo-dev libx11-dev:i386 libxt-dev cd ~/core/gui ./configure make -j8 sudo -E make install cd ~/core/back ./configure make -j8 sudo -E make install You can compile the following code with: clang `gnustep-config --objc-flags` `gnustep-config --objc-libs` -fobjc-runtime=gnustep -fblocks -lobjc -fobjc-arc -ldispatch -lgnustep-base -lgnustep-gui guitest.m cat > guitest.m << EOF #import <AppKit/AppKit.h> int main() { NSApplication *app; // Without these 2 lines, seg fault may occur app = [NSApplication sharedApplication]; NSAlert * alert = [[NSAlert alloc] init]; [alert setMessageText:@"Hello alert"]; [alert addButtonWithTitle:@"All done"]; [alert runModal]; } EOF
- General Note: When compiling, it is generally good to tell clang both the family and version of the runtime: -fobjc-runtime=gnustep-1.7
(The current version number can be had by looking at the latest ANNOUNCE filename in http://svn.gna.org/svn/gnustep/libs/libobjc2/trunk/ (e.g., ANNOUNCE.1.7))
Ubuntu 12.04 Help
In Ubuntu 12.04 Desktop, the installed version of CMake is 2.8.7 but you need 2.8.8 or later to compile LLVM.
patryk@telperion:~/llvm/build$ cmake .. CMake Error at CMakeLists.txt:3 (cmake_minimum_required): CMake 2.8.8 or higher is required. You are running version 2.8.7 -- Configuring incomplete, errors occurred! patryk@telperion:~/llvm/build$
The solution is to download and compile CMake yourself, using the existing CMake 2.8.7 and then replacing it.
- Download the latest CMake version from the CMake web site (http://www.cmake.org/cmake/resources/software.html), and uncompress iin a folder.
- Create a _build directory in the CMake sources folder.
- From the _build directory, run the following commands to build and install CMake from sources:
cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr make cpack -G DEB sudo apt-get remove cmake cmake-data sudo dpkg -i cmake*.deb
You probably will also need to upgrade to a newer GCC:
sudo add-apt-repository ppa:ubuntu-toolchain-r/test sudo apt-get update sudo apt-get install gcc-4.8 g++-4.8 sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 50 sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 50
If running make -j8 in llvm failed with a "syntax error in VERSION script" error, you may be able to overcome it by doing the following steps after getting the error:
# After make -j8 returned a syntax error in VERSION script error cd ~/llvm/build make clean cd ~/llvm/build/tools/lto make -j8 cd ~/llvm/build make -j8