1.4.1 Obtaining and Installing the Larch/C++ Release

To install the checker for Larch/C++ you will need a C++ compiler. The current release has been tested with the GNU g++ compiler under HP-UX 10.20, RedHat Linux 5.1, and Windows 98 under DJGPP. Older versions have been ported to other flavors of Linux, Sun OS (version 4), Solaris 5.3, and Ultrix with AT&T C++ 3.0, SparcWorks CC 3.0. (We are interested in other ports; let us know if you port it somewhere else.) If you do not have a C++ compiler, you can still get the release for the manual and the examples, but you will not be able to check any examples you write.

If you want to use Windows 95, Windows NT, or some similar system, instead of following the steps below, you can get a version of Larch/C++ with pre-compiled executables by getting `LCPPWin.5.14.zip' by anonymous ftp using the following URL.

   ftp://ftp.cs.iastate.edu/pub/larchc++/LCPPWin.5.14.zip

Then unzip the files, and read the `README' file. This works under DJGPP, and has been tested under Windows '95. It should certainly work under Windows NT. It should work to some extent under MS-DOS, but because that system does not support long file names, you may have problems. It's unclear to what extent it will work under OS/2.

For Unix systems, you can get the current beta-test release of Larch/C++ by following the steps below.

• Create a directory to hold Larch/C++ and other Larch tools. (You will probably want at least the LSL checker, and you might also want LP. You will need at least version 3.1beta10.) On Unix, we suggest something like `/u/Larch', or `/usr/unsup/larch'. We will use `/u/Larch' as an example below. Substitute whatever directory you actually use. That is, execute something like:

  mkdir /u/Larch
  

• Put the gziped tar file for the release in your directory, by using anonymous ftp from the ftp directory at ftp.cs.iastate.edu. It is found in the following URL.

     ftp://ftp.cs.iastate.edu/pub/larchc++/LCPP.5.14.tar.gz
  

  (If for some reason that isn't the right file name, or if you want to look at other versions, use the URL

     ftp://ftp.cs.iastate.edu/pub/larchc++/
  

  to look at the directory itself.)
• You now have the compressed (by gzip) tar file in your directory `/u/Larch'. Use gunzip to uncompress it, and use tar to untar it with commands such as the following (on Unix). (If you do not have the GNU command gunzip, you can get it by anonymous ftp from prep.ai.mit.edu in directory `/pub/gnu', or at any of several mirror sites.)

  gunzip LCPP.5.14.tar.gz
  tar -xvf LCPP.5.14.tar
  

• Change to the directory `LCPP', and read the file `README' for further instructions. For example, on Unix do the following.

  cd LCPP
  more README
  

• Please send us e-mail to let us know that you installed Larch/C++, what kind of machine and operating system you installed it on. If you have trouble in the installation, please let us know so we can try to help you. We are also interested in your feedback on Larch/C++: things you like, do not like, find confusing, etc. Please let us know how we can improve Larch/C++ for you. Our e-mail address is:

    lc++@cs.iastate.edu
  

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