SML/NJ Installation Notes

For Windows XP/Vista/7:

The easiest way to install SML/NJ on Windows machines is to use the self-installing executable: smlnj.msi.

  1. Login as administrator (the setup must define system environment variables).
  2. Launch the self-installing executable.
  3. Follow the provided instructions.
Instructions for manually compiling SML/NJ on Windows using Visual C++ will be provided in an update of this page [dbm].

For Unix machines:

  1. Create an SMLROOT directory for the installation (e.g., SMLROOT=/usr/local/sml) in a place where it is appropriate to install software packages. On some machines administrator privileges may be required to create the new sml directory in a public directory like /usr/local or /opt, but if necessary you can always install sml in a subdirectory of your own home directory.
  2. Download the config.tgz tarball and unpack it in the $SMLROOT directory using the command
    $ tar xzvf config.tgz
    
  3. [Optional] If you wish to customize the installation to include more or fewer components than the default, edit the file config/targets, commenting out any targets that you do not want to install or removing comment characters from components that you want to add. However, editing config/targets is not required or recommended for first-time users.
  4. Execute the shell command:
    $ config/install.sh
    
The install.sh command will download the necessary sources and binaries for the current architecture and operating system, unpack them, compile the runtime system, build the sml compiler (bin/sml) and compile the SML/NJ libraries and tools. These are installed in the subdirectories bin and lib of $SMLROOT.

If you have multiple hardware/operating system platforms sharing the same file system, you can run config/install.sh on each platform. The various architecture/os specific versions of the executables and libraries can coexist in the same $SMLROOT directory. The installation process creates the following subdirectories in the installation directory:
config - the configuration tools
bin - shell scripts for running sml and the tools
bin/.run - contains the runtime systems
bin/.heap - contains the heap images
lib - compilation-manager sources files for the various libraries
src - the source code; installing libraries also leaves the precompiled library code in this subtree.

TROUBLESHOOTING

The most likely problems arise while compiling the runtime system. You may need to edit the architecture/operating system specific makefile. You can find these files in the directory SMLROOT/src/runtime/objs. They are named mk.- (e.g., mk.x86-unix, mk.ppc-unix). They are currently set up to use the gcc on Unix systems (including Mac OS X and Linux) and Visual C++ on Windows.

If you are installing on 64-bit Linux systems, you may have to install 32-bit compatibility libraries in order to compile the runtime system, which is 32-bit code. Some 64-bit Linux systems are not configured with 32-bit support by default. In such a case, you may get the message

	!!! SML/NJ requires support for 32-bit executables
when running config/install.sh. To fix this problem, you will need to acquire the 32-bit emulation libraries for your particular Linux distribution. For Debian and Ubuntu, you will need two packages: gcc-multilib, and ia32-libs. These can be installed using apt-get:
      apt-get install gcc-multilib ia32-libs
For Red Hat Fedora (e.g. Fedora 16), you will need to install glibc-devel(i686):
      yum install glibc-devel.i686
For Red Hat Enterprise Linux (or CentOS) 6.2, you may also have to install the rpm package libgcc-multilib, e.g.:
      rpm -ivh libgcc-multilib-4.4.2-5.x86_64.rpm
where the libgcc-multilib package can be downloaded from the rpmseek web site (yum does not appear to know about this package).

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