JOCAMLDEP(1)						      General Commands Manual						      JOCAMLDEP(1)

NAME

       jocamldep - Dependency generator for JoCaml

SYNOPSIS

       jocamldep [ -I lib-dir ] filename ...

DESCRIPTION

       The  jocamldep(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:

       jocamldep options *.mli *.ml > .depend

       where .depend is the file that should contain the dependencies.

       Dependencies are generated both for compiling with the bytecode compiler jocamlc(1) and with the native-code compiler jocamlopt(1).

OPTIONS

       The following command-line option is recognized by jocamldep(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 compila-
	      tion unit Bar, a dependency on that unit's interface bar.cmi is generated only if the source for bar is found in the current  direc-
	      tory  or	in  one  of the directories specified with -I.	Otherwise, Bar is assumed to be a module form the standard library, and no
	      dependencies are generated. For programs that span multiple directories, it is recommended to pass jocamldep(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), jocamldep(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.)

SEE ALSO

       jocamlc(1), jocamlopt(1).
       The Objective Caml user's manual, chapter "Dependency generator".

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