113 lines
2.8 KiB
Matlab
113 lines
2.8 KiB
Matlab
\" $Id$
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.TH OCAMLDEP 1
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.SH NAME
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ocamldep \- Dependency generator for Objective Caml
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.SH SYNOPSIS
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.B ocamldep
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[
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.I options
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]
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.I filename ...
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.SH DESCRIPTION
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The
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.BR ocamldep (1)
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command scans a set of Objective Caml source files
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(.ml and .mli files) for references to external compilation units,
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and outputs dependency lines in a format suitable for the
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.BR make (1)
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utility. This ensures that make will compile the source files in the
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correct order, and recompile those files that need to when a source
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file is modified.
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The typical usage is:
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.P
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ocamldep
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.I options
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*.mli *.ml > .depend
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.P
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where .depend is the file that should contain the
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dependencies.
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Dependencies are generated both for compiling with the bytecode
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compiler
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.BR ocamlc (1)
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and with the native-code compiler
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.BR ocamlopt (1).
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.SH OPTIONS
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The following command-line options are recognized by
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.BR ocamldep (1).
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.TP
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.BI \-I \ directory
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Add the given directory to the list of directories searched for
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source files. If a source file foo.ml mentions an external
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compilation unit Bar, a dependency on that unit's interface
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bar.cmi is generated only if the source for bar is found in the
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current directory or in one of the directories specified with
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.BR \-I .
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Otherwise, Bar is assumed to be a module from the standard library,
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and no dependencies are generated. For programs that span multiple
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directories, it is recommended to pass
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.BR ocamldep (1)
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the same
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.B \-I
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options that are passed to the compiler.
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.TP
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.B \-modules
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Output raw dependencies of the form
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.IR filename : \ Module1\ Module2 \ ... \ ModuleN
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where
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.IR Module1 ,\ ..., \ ModuleN
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are the names of the compilation
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units referenced within the file
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.IR filename ,
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but these names are not
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resolved to source file names. Such raw dependencies cannot be used
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by
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.BR make (1),
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but can be post-processed by other tools such as
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.BR Omake (1).
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.TP
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.BI \-native
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Generate dependencies for a pure native-code program (no bytecode
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version). When an implementation file (.ml file) has no explicit
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interface file (.mli file),
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.BR ocamldep (1)
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generates dependencies on the
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bytecode compiled file (.cmo file) to reflect interface changes.
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This can cause unnecessary bytecode recompilations for programs that
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are compiled to native-code only. The flag
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.B \-native
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causes dependencies on native compiled files (.cmx) to be generated instead
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of on .cmo files. (This flag makes no difference if all source files
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have explicit .mli interface files.)
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.TP
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.BI \-pp \ command
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Cause
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.BR ocamldep (1)
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to call the given
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.I command
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as a preprocessor for each source file.
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.TP
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.B \-slash
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Under Unix, this option does nothing.
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.TP
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.B \-version
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Print version and exit.
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.TP
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.BR \-help \ or \ \-\-help
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Display a short usage summary and exit.
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.SH SEE ALSO
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.BR ocamlc (1),
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.BR ocamlopt (1).
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.br
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.IR The\ Objective\ Caml\ user's\ manual ,
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chapter "Dependency generator".
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