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171 lines
4.8 KiB
Groff
171 lines
4.8 KiB
Groff
.\"
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.\" Copyright (c) 1997 Joerg Wunsch
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.\"
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.\" 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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\" "
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.Dd September 17, 1997
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.Os
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.Dt C89 1
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.Sh NAME
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.Nm c89
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.Nd Posix.2 C language compiler
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.Sh SYNOPSIS
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.Nm c89
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.Op Fl c
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.Op Fl D Ar name Ns Op Ar =value
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.Op ...
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.Op Fl E
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.Op Fl g
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.Op Fl I Ar directory ...
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.Op Fl L Ar directory ...
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.Op Fl o Ar outfile
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.Op Fl O
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.Op Fl s
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.Op Fl U Ar name ...
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.Ar operand ...
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.Sh DESCRIPTION
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This is the name of the C language compiler as required by the
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.St -p1003.2
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standard.
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.Pp
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The
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.Nm
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compiler accepts the following options:
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.Bl -tag -width indent
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.It Fl c
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Suppress the link-edit phase of the compilation, and do not remove any
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object files that are produced.
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.It Fl D Ar name Ns Op Ar =value
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Define name as if by a C-language
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.Ql #define
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directive. If
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no
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.Ar =value
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is given, a value of 1 will be used. The
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.Fl D
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option has lower precedence than the
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.Fl U
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option. That is, if
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.Ar name
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is used in both a
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.Fl U
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and a
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.Fl D
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option,
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.Ar name
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will be undefined regardless of the order of the options. The
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.Fl D
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option may be specified more than once.
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.It Fl E
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Copy C-language source files to the standard output, expanding all
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preprocessor directives; no compilation will be performed.
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.It Fl g
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Produce symbolic information in the object or executable files.
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.It Fl I Ar directory
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Change the algorithm for searching for headers whose names are not
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absolute pathnames to look in the directory named by the
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.Ar directory
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pathname before looking in the usual places. Thus, headers whose
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names are enclosed in double-quotes (\&"\&") will be searched for first
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in the directory of the file with the
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.Ql #include
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line, then in
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directories named in
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.Fl I
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options, and last in the usual places. For
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headers whose names are enclosed in angle brackets (<>), the header
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will be searched for only in directories named in
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.Fl I
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options and then in the usual places. Directories named in
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.Fl I
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options shall be searched in the order specified. The
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.Fl I
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option may be specified more than once.
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.It Fl L Ar directory
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Change the algorithm of searching for the libraries named in the
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.Fl l
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objects to look in the directory named by the
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.Ar directory
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pathname before looking in the usual places. Directories named in
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.Fl L
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options will be searched in the order specified. The
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.Fl L
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option may be specified more than once.
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.It Fl o Ar outfile
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Use the pathname
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.Ar outfile ,
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instead of the default
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.Pa a.out ,
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for the executable file produced.
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.It Fl O
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Optimize the compilation.
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.It Fl s
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Produce object and/or executable files from which symbolic and other
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information not required for proper execution has been removed
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(stripped).
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.It Fl U Ar name
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Remove any initial definition of
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.Ar name .
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The
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.Fl U
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option may be specified more than once.
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.El
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.Pp
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An operand is either in the form of a pathname or the form
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.Fl l
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library. At least one operand of the pathname form needs to be
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specified. Supported operands are of the form:
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.Bl -tag -offset indent -width "-l library"
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.It Pa file Ns \&.c
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A C-language source file to be compiled and optionally linked. The
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operand must be of this form if the
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.Fl c
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option is used.
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.It Pa file Ns \&.a
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A library of object files, as produced by
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.Xr ar 1 ,
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passed directly to the link editor.
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.It Pa file Ns \&.o
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An object file produced by
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.Nm
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.Fl c ,
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and passed directly to the link editor.
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.It Fl l Pa library
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Search the library named
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.Dl lib Ns Em library Ns \&.a
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A library will be searched when its name is encountered, so the
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placement of a
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.Fl l
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operand is significant.
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.El
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.Sh SEE ALSO
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.Xr ar 1 ,
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.Xr cc 1
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.Sh STANDARDS
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The
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.Nm
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command is believed to comply with
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.St -p1003.2 .
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