OCAMLDEP(1) OCAMLDEP(1)
NAME
ocamldep - Dependency generator for Objective Caml
SYNOPSIS
ocamldep [ -I lib-dir ] filename ...
DESCRIPTION
The ocamldep(1) command scans a set of Objective Caml 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 option is recognized by ocamldep(1).
-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 gener-
ated. For programs that span multiple directories, it is recommended to pass
ocamldep(1) the same -I options that are passed to the compiler.
-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 dependen-
cies 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.)
SEE ALSO
ocamlc(1), ocamlopt(1).
The Objective Caml user's manual, chapter "Dependency generator".
OCAMLDEP(1)
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