1.\" $NetBSD: mkdep.1,v 1.8 2001/12/01 20:40:44 wiz Exp $ 2.\" 3.\" Copyright (c) 1987, 1990, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)mkdep.1 8.1 (Berkeley) 6/6/93 35.\" 36.Dd June 6, 1993 37.Dt MKDEP 1 38.Os 39.Sh NAME 40.Nm mkdep 41.Nd construct Makefile dependency list 42.Sh SYNOPSIS 43.Nm 44.Op Fl a 45.Op Fl p 46.Op Fl f Ar file 47.Op Ar flags 48.Ar file ... 49.Sh DESCRIPTION 50.Nm 51takes a set of flags for the C compiler and a list 52of C source files as arguments and constructs a set of include 53file dependencies which are written into the file ``.depend''. 54An example of its use in a Makefile might be: 55.Bd -literal -offset indent 56CFLAGS= -O -I../include 57SRCS= file1.c file2.c 58 59depend: 60 mkdep ${CFLAGS} ${SRCS} 61.Ed 62.Pp 63where the macro SRCS is the list of C source files and the macro 64CFLAGS is the list of flags for the C compiler. 65.Pp 66The options are as follows: 67.Bl -tag -width Ds 68.It Fl a 69Append to the output file, 70so that multiple 71.Nm "" Ns 's 72may be run from a single Makefile. 73.It Fl f 74Write the include file dependencies to 75.Ar file , 76instead of the default ``.depend''. 77.It Fl p 78Cause 79.Nm 80to produce dependencies of the form: 81.Bd -literal -offset indent 82program: program.c 83.Ed 84.Pp 85so that subsequent makes will produce 86.Ar program 87directly from its C module rather than using an intermediate 88.Pa \&.o 89module. 90This is useful for programs whose source is contained in a single 91module. 92.El 93.Sh FILES 94.Bl -tag -width .depend -compact 95.It Pa .depend 96File containing list of dependencies. 97.El 98.Sh SEE ALSO 99.Xr cc 1 , 100.Xr cpp 1 , 101.Xr make 1 102.Sh HISTORY 103The 104.Nm 105command appeared in 106.Bx 4.3 Tahoe . 107