84d9c625bf
- Fix for possible unset uid/gid in toproto
- Fix for default mtree style
- Update libelf
- Importing libexecinfo
- Resynchronize GCC, mpc, gmp, mpfr
- build.sh: Replace params with show-params.
This has been done as the make target has been renamed in the same
way, while a new target named params has been added. This new
target generates a file containing all the parameters, instead of
printing it on the console.
- Update test48 with new etc/services (Fix by Ben Gras <ben@minix3.org)
get getservbyport() out of the inner loop
Change-Id: Ie6ad5226fa2621ff9f0dee8782ea48f9443d2091
153 lines
4.4 KiB
Groff
153 lines
4.4 KiB
Groff
.\" $NetBSD: mkdep.1,v 1.18 2013/03/05 01:59:56 christos Exp $
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.\"
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.\" Copyright (c) 1987, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)mkdep.1 8.1 (Berkeley) 6/6/93
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.\"
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.Dd March 4, 2013
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.Dt MKDEP 1
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.Os
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.Sh NAME
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.Nm mkdep
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.Nd construct Makefile dependency list
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.Sh SYNOPSIS
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.Nm
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.Op Fl aDdiopqv
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.Op Fl f Ar file
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.Op Fl P Ar prefix
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.Op Fl s Ar suffixes
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.Li --
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.Op Ar flags
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.Ar file ...
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.Sh DESCRIPTION
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.Nm
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takes a set of flags for the C compiler and a list
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of C source files as arguments and constructs a set of include
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file dependencies which are written into the file ``.depend''.
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An example of its use in a Makefile might be:
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.Bd -literal -offset indent
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CFLAGS= -O -I../include
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SRCS= file1.c file2.c
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depend:
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mkdep -- ${CFLAGS} ${SRCS}
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.Ed
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.Pp
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where the macro SRCS is the list of C source files and the macro
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CFLAGS is the list of flags for the C compiler.
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.Pp
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The options are as follows:
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.Bl -tag -width Ds
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.It Fl a
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Append to the output file,
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so that multiple
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.Nm Ns 's
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may be run from a single Makefile.
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.It Fl D
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Post process (as
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.Fl d )
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but read the list of filenames from stdin.
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.It Fl d
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Post process and merge previously created (for example by
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.Dq cc -MD x.c )
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depend files into a single file.
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.It Fl f
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Write the include file dependencies to
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.Ar file ,
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instead of the default ``.depend''.
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.It Fl i
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When
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.Fl d
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or
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.Fl D
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is used, instead of inlining the contents of the files to the resulting
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depend file, use include statements to include the source dependency files.
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.It Fl o
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Add an additional .OPTIONAL line for each dependent file.
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.It Fl P
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Prepend the string given in
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.Ar prefix
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to every target filename.
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This is useful for programs that have source files in multiple subdirectories
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and a single Makefile that references all of them explicitly (without using
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the VPATH functionality because there can be files with the same name in
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each subdirectory).
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.It Fl p
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Cause
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.Nm
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to produce dependencies of the form:
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.Bd -literal -offset indent
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program: program.c
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.Ed
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.Pp
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so that subsequent makes will produce
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.Ar program
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directly from its C module rather than using an intermediate
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.Pa \&.o
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module.
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This is useful for programs whose source is contained in a single
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module.
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.Fl p
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is equivalent to specifying a null suffix with
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.Fl s .
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.It Fl q
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Do not print a warning for inaccessible files when
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.Fl d
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is given.
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.It Fl s
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Expand each target filename to a list, replacing the
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.Ql \&.o
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suffix with each element of
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.Ar suffixes .
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The list of suffixes may be space or comma separated.
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.It Fl v
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print debugging output.
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.El
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.Sh FILES
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.Bl -tag -width .depend -compact
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.It Pa .depend
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File containing list of dependencies.
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.El
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.Sh SEE ALSO
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.Xr cc 1 ,
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.Xr cpp 1 ,
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.Xr make 1
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.3 Tahoe .
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.Sh BUGS
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Some characters special to
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.Xr make 1 ,
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most notably the comment character, are not escaped correctly if they
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appear in file names.
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This can lead to unparseable output or silently cause dependencies to
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be lost.
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.\" (This problem is actually in gcc -M.)
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