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Manual Reference Pages  -  QFCC (1)


qfcc - The QuakeForge Code Compiler




qfcc [options] [files]


qfcc compiles Ruamoko source into a form that the QuakeForge engine can understand.


qfcc takes the following arguments:
  Use traditional QuakeC syntax, semantics and “bugs”. Also implies the v6only code generation option. This is the default when using progs.src.
  Use advanced Raumoko features. This is the default when using separate compilation.
-C, --code OPTION,...
  Set code generation options. See CODE GENERATION OPTIONS for details.
-c Compile only, do not link. Can be used in either progs.src or separate compilation modes.
-D, --define SYMBOL[=VAL]
  Define a symbol for the preprocessor, if it is in use.
-F, --files
  Generate files.dat. This list is created by checking the parameters to the precache_* functions.
-g Generate debugging info. Synonym for --code debug.
-h, --help Show summary of options.
-I DIR Add DIR to the list of directories for the preprocessor to search when looking for include files.
--include FILE
  Process FILE as if #include "FILE" appeared as the first line of the primary source file. See the cpp man page (-include) for details.
-L DIR Add DIR to the search path used for -l.
-l LIB Add libLIB.a to the list of libraries to be used for resolving undefined symbols. qfcc’s libraries are really pak files of qfcc object files built using the pak utility.
-N, --notice OPTION,...
  Set notice options. See NOTICE OPTIONS for details.
-o, --output-file FILE
  Specify output file name.
-P, --progs-src FILE
  File to use instead of progs.src
-p, --strip-path NUM
  Strip NUM leading path elements from file names. eg. -p 3 will strip the output code.
-q, --quiet
  Inhibit some of qfcc’s normal output.
-r Incremental linking. Generate a larger object file from other object files and libraries.
-S, --save-temps
  Do not delete temporary files.
-s, --source DIR
  look for progs.src in DIR instead of the current directory.
-U, --undefine SYMBOL
  Undefine a preprocessor symbol, if the preprocessor is in use.
-V, --version
  Show the version of qfcc.
-v, --verbose
  Display more output than usual.
-W, --warn OPTION,...
  Set warning options. See WARNING OPTIONS for details.
-z Compress object files when writing them. This is especially useful when creating libraries, especially if using the object oriented features, but can be quite slow.
  cpp execution command line. See CPP NAME for details.


Code generation options are processed in the order of their appearance on the command line. Unsupported options are ignored. The following options are supported by qfcc’s --code argument:
cow Allow assignment to initialized globals. In Quake-C and Ruamoko, a global that has been initialized to a value is not a variable, but a named constant. However, qcc never really enforced this. The cow option allows qfcc to gracefully cope with QuakeC source that assigns values to initialized globals in this manner. (also known as “copy on write”—never mind the bovine connotations)
debug Generate debug code for QuakeForge engines. The QuakeForge engine has the ability to load line number and other debugging information for use in diagnosing progs crashes. This option tells qfcc to generate this information. It is written to a secondary file with the extension “sym”—if your output file is “progs.dat”, the symbol file will be “progs.sym”.
  Generate short circuit code for logical operators (&& and ||). For A && B, if A is false, the expression is known to be false and the code for B will not be executed. Similar for A || B, but if A is true, the expression is known to be true and the code for B will not be executed. Defaults to off for traditional mode, and on for advanced mode.
  Use float values directly in “if” statements. Defaults to on. This option is always enabled when using version 6 progs.
v6only Restrict the compiler to only version 6 progs (original Quake/QuakeWorld) features. This means that the compiled data file should be able to run on older servers, as long as you have not used any QuakeForge-specific built-in functions. Also disables some of the compiler’s features (like integers and string manipulation support).


Warning options are processed in the order of their appearance on the command line. Unsupported options are ignored. The following options are supported by qfcc’s --warn argument:
cow Emit a warning when the source assigns a value to a named constant. See the description of the cow code option above for a description of what this means.
  Emit a warning when a method is declared in an implementation but not in the interface for a class.
  Emit a warning when a function is called, but has not yet been defined.
  Emit a warning when a variable is read from that has not been initalized to a value.
  Emit a warning when a function that takes a variable number of arguments is passed a constant of an integer type.
error Promote warnings to errors.
Any of the above can be prefixed with no- to negate its meaning. There are also two special options:
all Turns on all warning options except error.
none Turns off all warning options except error.


Notices are used to flag code constructs that may have changed semantics but shouldn’t be treated as warnings. They are also used for internal debugging purposes, so if you see any cryptic notices, please report them as a bug (normal notices should be fairly self-explanatory).
none Silences all notice messages.
warn Promote notices to warnings. If warnings are being treated as errors, so will notices.


When preprocessing source files, qfcc calls cpp (the C preprocessor) with a configurable command line. This is useful when you wish to use an alternative preprocessor (though it must be command line compatible with cpp) or when qfcc has been misconfigured to call cpp incorrectly for your operating system. If the latter is the case, please report the details (operating system, detection methods, correct execution specification). The base default execution spec (on most Linux systems) is cpp %d -o %o %i. This spec is similar in concept to a printf string. The name of the program may be either absolute (eg /lib/cpp) or relative as the PATH will be searched. Available substitutions:
%d Mainly for defines (-D, -U and -I) but %d will be replaced by all cpp options that qfcc will be passing.
%o This will be replaced by the output file path. Could be either absolute or relative, depending on whether qfcc is deleting temporary files or not.
%i This will be replaced by the input file path. Generally as given to qfcc.


Where did the name Ruamoko come from?
  In Maori mythology, Ruamoko is the youngest child of Ranginui, the Sky-father, and Papatuanuku, the Earth-mother. Ruamoko is the god of volcanoes and earthquakes (Quake, get it?). For more information, see the Web site at <>.
qfcc is singing a bad 80s rap song to me. What’s going on?
  “ice ice baby” is QuakeForge-speak for “Internal Compiler Error”. It usually means there’s a bug in qfcc, so please report it to the team.
qfcc is mooing at me. What’s wrong with you people?
  The compiler doesn’t like being treated like a slab of beef. Seriously, the code you are trying to compile is using constants as if they weren’t. Normally, qfcc would just stop and tell the code to sit in the corner for a while, but you told it not to do that by passing the cow option to --code, so it has its revenge by mooing out a warning. Or something like that. To disable the warning, pass no-cow to --warn.




quakeforge(1), pak(1)


The original qcc program, for compiling the QuakeC language, was written by Id Software, Inc. The members of the QuakeForge Project have modified it to work with a new, but very similar language called Ruamoko.
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QuakeForge QFCC (1) 28 April, 2004

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