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