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fast, lightweight, versatile lisp environment
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[ this is -*-Text-*- ] Complete documentation is given in info file. This is librep, a Lisp system for UNIX, needed by Sawfish window manager. It contains a Lisp interpreter, byte-code compiler and virtual machine. Applications may use the Lisp interpreter as an extension language, or it may be used for stand-alone scripts. The Lisp dialect was originally inspired by Emacs Lisp, but with the worst features removed. It also borrows many ideas from Scheme. It is known to compile on at least Solaris/sparc and Linux, x86 and x86-64. It is released under the terms of the GNU GPL, copyright John Harper <firstname.lastname@example.org> Maintainer until Aug 2008: John Harper Maintainer since Aug 2008: Christopher Bratusek For more details see: http://sawfish.wikia.com/ To compile this you'll need GNU make, and GNU dbm installed. Basically, just do: $ ./configure $ make $ make install Notes ===== 64-bit systems -------------- Basically support of 64-bit systems works, but if not, read this: You may want to look at the `--with-value-type' configure option. This is an implicitly signed integer type (i.e. `int', `long', etc) that is wide enough to store an arbitrary pointer without losing any bits. It should be detected automatically by the configure script, but if not there are two most likely required settings: 1. For a machine with 64-bit pointers and longs, but only 32-bit ints the following could be done: $ ./configure --with-value-type=long 2. For a machine with both int and long 32-bits, but with 64-bit pointers and long long ints, then: $ ./configure --with-value-type="long long" If this option is set incorrectly (i.e. to an integer type that is too small) a run-time assertion will be triggered when the interpreter initialises itself. Also, if this option is set to anything but int, long, or long long, then the src/rep_config.h file will need to be edited for the constant suffix and printf conversion of the chosen type. libgmp ------ rep optionally uses GNU MP for its bignum/rational implementation; you can find it at any GNU mirror. GMP versions 2 and 3 are both known to work (though version 3 is recommended) shared libraries ---------------- rep includes plugins providing language bindings for several libraries. Because these plugins are implemented as shared objects that are loaded at runtime, the libraries they wrap must also be shared libraries on most systems. This means that the installed libgdm must be shared, and if compiling with readline support, so must libreadline cut-down version ---------------- The configure script accepts the following options to build restricted versions of librep. The resulting library is binary-compatible with the normal version. --without-gmp Don't use GNU MP for bignums. Use `long long' as biggest integer type (if available, else just `long'). Also, there is no support for exact rationals, thus (/ 1 2) => 0.5 not 1/2 --disable-continuations Don't include support for call/cc or multi-threading. This may be useful for machines with non-linear stacks (old crays?) obscure configure options ------------------------- --enable-dballoc Trace all memory allocations. Not for general use --disable-dbsyms When printing C stack backtraces, don't try to output symbolic addresses --enable-gprof Compile with flags enabling profiling. Also needs --enable-static to be given. Use the `srep' target in the src directory to build a statically linked interpreter (since gprof doesn't profile shared libraries) --with-malloc-alignment=BYTES The minimum alignment of memory returned from malloc (). Defaults to the machine's word size. It's unlikely this will ever need to be specified explicitly --with-stack-direction=DIRECTION Direction of stack growth. -1 for downwards (grows from higher addresses to lower addresses), +1 for upwards. If not given, will try to infer this automatically (though it has been known to fail) --enable-full-name-terminator=CHARACTER If the GECOS fields in your password file contain extra information after the user's full name, this option allows the separator character to be given, letting rep's user-full-name function return the correct information. E.g. some systems have GECOS as a comma-separated list of values, the first of which is the full name. For this case: --enable-full-name-terminator=,