144 lines
4.2 KiB
Groff
144 lines
4.2 KiB
Groff
.\" $NetBSD: mkdep.1,v 1.17 2012/08/26 22:37:19 jmmv Exp $
|
|
.\"
|
|
.\" Copyright (c) 1987, 1990, 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" @(#)mkdep.1 8.1 (Berkeley) 6/6/93
|
|
.\"
|
|
.Dd August 26, 2012
|
|
.Dt MKDEP 1
|
|
.Os
|
|
.Sh NAME
|
|
.Nm mkdep
|
|
.Nd construct Makefile dependency list
|
|
.Sh SYNOPSIS
|
|
.Nm
|
|
.Op Fl aDdopq
|
|
.Op Fl f Ar file
|
|
.Op Fl P Ar prefix
|
|
.Op Fl s Ar suffixes
|
|
.Li --
|
|
.Op Ar flags
|
|
.Ar file ...
|
|
.Sh DESCRIPTION
|
|
.Nm
|
|
takes a set of flags for the C compiler and a list
|
|
of C source files as arguments and constructs a set of include
|
|
file dependencies which are written into the file ``.depend''.
|
|
An example of its use in a Makefile might be:
|
|
.Bd -literal -offset indent
|
|
CFLAGS= -O -I../include
|
|
SRCS= file1.c file2.c
|
|
|
|
depend:
|
|
mkdep -- ${CFLAGS} ${SRCS}
|
|
.Ed
|
|
.Pp
|
|
where the macro SRCS is the list of C source files and the macro
|
|
CFLAGS is the list of flags for the C compiler.
|
|
.Pp
|
|
The options are as follows:
|
|
.Bl -tag -width Ds
|
|
.It Fl a
|
|
Append to the output file,
|
|
so that multiple
|
|
.Nm Ns 's
|
|
may be run from a single Makefile.
|
|
.It Fl D
|
|
Post process (as
|
|
.Fl d )
|
|
but read the list of filenames from stdin.
|
|
.It Fl d
|
|
Post process and merge previously created (for example by
|
|
.Dq cc -MD x.c )
|
|
depend files into a single file.
|
|
.It Fl f
|
|
Write the include file dependencies to
|
|
.Ar file ,
|
|
instead of the default ``.depend''.
|
|
.It Fl o
|
|
Add an additional .OPTIONAL line for each dependent file.
|
|
.It Fl P
|
|
Prepend the string given in
|
|
.Ar prefix
|
|
to every target filename.
|
|
This is useful for programs that have source files in multiple subdirectories
|
|
and a single Makefile that references all of them explicitly (without using
|
|
the VPATH functionality because there can be files with the same name in
|
|
each subdirectory).
|
|
.It Fl p
|
|
Cause
|
|
.Nm
|
|
to produce dependencies of the form:
|
|
.Bd -literal -offset indent
|
|
program: program.c
|
|
.Ed
|
|
.Pp
|
|
so that subsequent makes will produce
|
|
.Ar program
|
|
directly from its C module rather than using an intermediate
|
|
.Pa \&.o
|
|
module.
|
|
This is useful for programs whose source is contained in a single
|
|
module.
|
|
.Fl p
|
|
is equivalent to specifying a null suffix with
|
|
.Fl s .
|
|
.It Fl q
|
|
Do not print a warning for inaccessible files when
|
|
.Fl d
|
|
is given.
|
|
.It Fl s
|
|
Expand each target filename to a list, replacing the
|
|
.Ql \&.o
|
|
suffix with each element of
|
|
.Ar suffixes .
|
|
The list of suffixes may be space or comma separated.
|
|
.El
|
|
.Sh FILES
|
|
.Bl -tag -width .depend -compact
|
|
.It Pa .depend
|
|
File containing list of dependencies.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr cc 1 ,
|
|
.Xr cpp 1 ,
|
|
.Xr make 1
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
command appeared in
|
|
.Bx 4.3 Tahoe .
|
|
.Sh BUGS
|
|
Some characters special to
|
|
.Xr make 1 ,
|
|
most notably the comment character, are not escaped correctly if they
|
|
appear in file names.
|
|
This can lead to unparseable output or silently cause dependencies to
|
|
be lost.
|
|
.\" (This problem is actually in gcc -M.)
|