latitude

Installation

The official Latitude virtual machine is supported on POSIX-compliant machines and on recent versions of Windows.

To build Latitude from source, you will need the following.

• A C++14-compliant compiler
• A recent version of the Boost C++ libraries
• Perl 5.010 or newer
• GNU Flex and Bison

For POSIX-Compliant Operating Systems

Run the following command, from the base directory.

$ make release

If your compiler goes by a different name, you may have to pass CXX=compiler_name and CC=compiler_name. If the C++ Boost libraries are in a location that is not included by default, you may include BOOST="-I /path/to/boost/" in the build command.

Building the release target is recommended for maximal performance. In order to set Latitude up so that you can run it from the command line, run

$ sudo make install

If you do not have sudo or do not wish to install Latitude to /usr/local/bin, you may add the base project directory to your PATH environment variable manually.

After installation, you may run the Latitude interpreter with

$ latitude

or you may run a Latitude script file with

$ latitude filename.lats

For Windows

Run the following command, from the base directory.

$ make release

If your compiler goes by a different name, you may have to pass CXX=compiler_name and CC=compiler_name. If the C++ Boost libraries are in a location that is not included by default, you may include BOOST="-I /path/to/boost/" in the build command.

Building the release target is recommended for maximal performance. Latitude is tested on Windows with MinGW, so it is recommended that it be built with MinGW on Windows.

After building, add the base project directory to your PATH environment variable, and then you can invoke the Latitude interpreter with

$ latitude

or you may run a Latitude script file with

$ latitude filename.lats

For Other Operating Systems

This Latitude virtual machine is not officially supported on any operating systems other than those listed above. However, if you wish to attempt to build it, here are some steps to set you in the right direction.

First, you will need to teach the VM how to detect your OS. Visit Platform.hpp and add a preprocessor conditional. This conditional should test against some preprocessor macro which should exist on your platform and, in the case that the test is satisfied, should define a macro of the form USE_*, where * is the name of your OS. The placement of this test should ensure that, in the case that your OS is identified, USE_NULL will not be defined.

Next, in the following files, there is OS-specific code protected by preprocessor conditions. You should add cases for your OS, which delegate to the appropriate system-level calls.

• Pathname.cpp
• Platform.hpp
• Process.cpp
• Environment.cpp
• Input.cpp

Provided that you have a working, up-to-date C++ compiler and the necessary dependencies, Latitude should now build. If you can successfully get Latitude to build on a non-supported OS, please consider making a pull request to the project on Github, as your changes may be incorporated officially.

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