annotate tradcpp.1 @ 209:256f51fde64c default tip

Use the correct feature test macro for stdbool.h; noticed by mrg.
author David A. Holland
date Sat, 22 May 2021 00:04:05 -0400
parents bdc672634010
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
1 .\"
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
2 .\" Copyright (c) 2013 The NetBSD Foundation, Inc.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
3 .\" All rights reserved.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
4 .\"
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
5 .\" This code is derived from software contributed to The NetBSD Foundation
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
6 .\" by David A. Holland.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
7 .\"
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
8 .\" Redistribution and use in source and binary forms, with or without
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
9 .\" modification, are permitted provided that the following conditions
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
10 .\" are met:
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
11 .\" 1. Redistributions of source code must retain the above copyright
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
12 .\" notice, this list of conditions and the following disclaimer.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
13 .\" 2. Redistributions in binary form must reproduce the above copyright
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
14 .\" notice, this list of conditions and the following disclaimer in the
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
15 .\" documentation and/or other materials provided with the distribution.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
16 .\"
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
17 .\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
18 .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
19 .\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
20 .\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
21 .\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
22 .\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
23 .\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
24 .\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
25 .\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
26 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
27 .\" POSSIBILITY OF SUCH DAMAGE.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
28 .\"
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
29 .Dd June 11, 2013
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
30 .Dt TRADCPP 1
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
31 .Os
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
32 .Sh NAME
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
33 .Nm tradcpp
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
34 .Nd traditional (K&R-style) C macro preprocessor
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
35 .Sh SYNOPSIS
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
36 .Nm tradcpp
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
37 .Op Fl options
121
103acee239e0 Man page fixes from wiz@.
David A. Holland
parents: 110
diff changeset
38 .Op Ar input-file Op Ar output-file
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
39 .Sh DESCRIPTION
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
40 The
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
41 .Nm
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
42 command provides a traditional K&R-style C macro preprocessor.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
43 It is intended to be suitable for historical Unix uses of the
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
44 preprocessor, such as
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
45 .Xr imake 1 ,
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
46 particularly those that depend on preservation of whitespace.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
47 .Pp
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
48 The chief ways in which traditional cpp differs from
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
49 Standard C are:
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
50 .Bl -bullet -offset indent
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
51 .It
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
52 Macro arguments are expanded within quoted strings.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
53 There is no stringize operator.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
54 .It
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
55 There is no token pasting operator; tokens can be concatenated by
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
56 placing comments between them.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
57 This process is also not limited to valid C language tokens.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
58 .It
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
59 Whitespace is preserved, and in particular tabs are not expanded into
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
60 spaces.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
61 Furthermore, additional whitespace is not injected.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
62 .El
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
63 .Sh OPTIONS
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
64 .Nm
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
65 has many options, many of which are defined for compatibility with
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
66 .Xr gcc 1
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
67 or other compilers.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
68 Many of the options are not yet implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
69 .\" The option lists have been sorted in what I hope is a sensible
121
103acee239e0 Man page fixes from wiz@.
David A. Holland
parents: 110
diff changeset
70 .\" order. Please don't arbitrarily alphabetize them.
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
71 .Ss Common Options
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
72 .Bl -tag -width bubblebabble
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
73 .It Fl C
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
74 Retain comments in output.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
75 .It Fl Dmacro[=expansion]
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
76 Provide a definition for the named macro.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
77 If no expansion is provided, the value
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
78 .Dq 1
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
79 is used.
122
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
80 Note that like many Unix compilers,
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
81 .Nm
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
82 does not accept a space between the
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
83 .Dq D
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
84 and the macro name.
121
103acee239e0 Man page fixes from wiz@.
David A. Holland
parents: 110
diff changeset
85 .It Fl Ipath
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
86 Add the specified path to the main list of include directories.
122
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
87 Note that like many Unix compilers,
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
88 .Nm
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
89 does not accept a space between the
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
90 .Dq I
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
91 and the directory name.
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
92 .It Fl nostdinc
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
93 Do not search the standard system include directories.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
94 .It Fl P
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
95 Suppress line number information in the output.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
96 Currently line number information is not generated at all and this
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
97 option has no effect.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
98 .It Fl Umacro
182
f7814226906c very minor changes from openbsd
David A. Holland
parents: 123
diff changeset
99 Remove any existing definition for the named macro.
122
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
100 Note that like many Unix compilers,
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
101 .Nm
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
102 does not accept a space between the
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
103 .Dq U
64c4de3709de Complain if -[DIU] is given an empty argument.
David A. Holland
parents: 121
diff changeset
104 and the macro name.
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
105 .It Fl undef
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
106 Remove all predefined macros.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
107 .El
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
108 .Ss Warning Options
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
109 Warning options can be disabled or enabled by inserting, or not, the
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
110 string
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
111 .Dq no-
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
112 between the
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
113 .Dq W
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
114 and the warning name.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
115 Herein the
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
116 .Dq Fl Wno-
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
117 form is shown for options that are enabled by default.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
118 .Bl -tag -width bubblebabble
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
119 .It Fl Wall
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
120 Turn on all warnings.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
121 The option
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
122 .Fl Wno-all
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
123 disables only the warnings that are disabled by default.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
124 .It Fl w
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
125 Turn off all warnings.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
126 .It Fl Werror
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
127 Make warnings into fatal errors.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
128 .It Fl Wcomment
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
129 Warn about nested comments.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
130 .It Fl Wno-endif-labels
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
131 Don't warn about symbols attached to #endif directives.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
132 (The warning is currently not implemented.)
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
133 .It Fl Wundef
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
134 Warn about undefined symbols appearing in #if and #elif expressions.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
135 .It Fl Wunused-macros
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
136 Warn about macros that are defined and never used.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
137 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
138 .El
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
139 .Ss Depend Options
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
140 .Bl -tag -width bubblebabble
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
141 .It Fl M
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
142 Generate dependency information for
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
143 .Xr make 1
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
144 on the standard output, instead of preprocessing.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
145 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
146 .It Fl MD
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
147 Like
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
148 .Fl M
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
149 but skip system headers.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
150 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
151 .It Fl MM
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
152 Like
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
153 .Fl M
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
154 but write the dependency information to a file named after the input
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
155 file with extension
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
156 .Pa \.d
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
157 and preprocess normally to standard output.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
158 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
159 .It Fl MMD
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
160 Like
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
161 .Fl MM
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
162 but skip system headers.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
163 Not implemented.
123
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
164 .It Fl MF Ar file
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
165 Send dependency output to the named file instead of the default
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
166 location.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
167 Not implemented.
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
168 .It Fl MG
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
169 When generating dependency information, assume that missing files are
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
170 generated instead of failing.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
171 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
172 .It Fl MP
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
173 Issue dummy rules for all include files.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
174 This prevents
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
175 .Xr make 1
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
176 from choking if an include file is removed.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
177 Not implemented.
123
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
178 .It Fl MQ Ar target
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
179 Same as
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
180 .Fl MT
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
181 except that any
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
182 .Xr make 1
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
183 metacharacters appearing in the target are escaped.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
184 .It Fl MT Ar target
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
185 Set the name of the
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
186 .Xr make 1
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
187 target appearing in the generated dependency information.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
188 The default is the name of the input file with its suffix replaced
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
189 with the suffix for object files, normally
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
190 .Pa .o .
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
191 .\" If this option is given more than once, all named targets will
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
192 .\" be emitted.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
193 .\" (The current operating mode framework doesn't support that.)
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
194 .El
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
195 .Ss More Include Path Options
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
196 .Bl -tag -width bubblebabble
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
197 .It Fl idirafter Ar path
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
198 Add the specified path to the
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
199 .Dq afterwards
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
200 include path.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
201 This path is searched after all directories specified with
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
202 .Fl I
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
203 and the standard system directories.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
204 Directories on this path are treated as containing system include
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
205 files.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
206 .It Fl imacros Ar file
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
207 Read in
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
208 .Ar file
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
209 prior to reading the main input file, and preprocess it, but throw
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
210 away the output and retain only the macro definitions.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
211 .It Fl include Ar file
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
212 Read in and preprocess
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
213 .Ar file
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
214 prior to reading the main input file.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
215 .It Fl iprefix Ar prefix
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
216 Set the path prefix used with the
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
217 .Fl iwithprefix
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
218 option.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
219 .It Fl iquote Ar path
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
220 Add
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
221 .Ar path
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
222 to the list of directories searched for include directives written
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
223 with quotes.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
224 This list is not searched for include directives written with angle
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
225 brackets.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
226 .It Fl iremap Ar string:replacement
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
227 Substitute
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
228 .Ar replacement
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
229 for
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
230 .Ar string
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
231 in the
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
232 .Dv __FILE__
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
233 built-in macro.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
234 Not supported.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
235 .It Fl isysroot Ar path
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
236 Use
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
237 .Ar path
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
238 as the
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
239 .Dq system root ,
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
240 that is, the directory under which the standard system paths are found.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
241 .It Fl isystem Ar path
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
242 Add
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
243 .Ar path
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
244 to the list of system include directories.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
245 This list is searched after the list given with
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
246 .Ar I .
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
247 Files found on this path are treated as system headers.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
248 .It Fl iwithprefix Ar dir
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
249 Splice
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
250 .Ar dir
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
251 onto the prefix given with
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
252 .Fl iprefix
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
253 and add this directory as if it were specified with
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
254 .Fl idirafter .
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
255 .It Fl iwithprefixbefore
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
256 Like
204
bdc672634010 Fix markup typo (-Fl instead of .Fl)
David A. Holland
parents: 199
diff changeset
257 .Fl iwithprefix
123
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
258 but adds the result as if it were specified with
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
259 .Fl I .
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
260 .El
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
261 .Ss Diagnostic Options
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
262 .Bl -tag -width bubblebabble
199
1d2bad7151f9 Add a -debuglog option to send an execution trace to a file.
David A. Holland
parents: 182
diff changeset
263 .It Fl debuglog Ar file
1d2bad7151f9 Add a -debuglog option to send an execution trace to a file.
David A. Holland
parents: 182
diff changeset
264 Write a trace of actions and operations to
1d2bad7151f9 Add a -debuglog option to send an execution trace to a file.
David A. Holland
parents: 182
diff changeset
265 .Ar file
1d2bad7151f9 Add a -debuglog option to send an execution trace to a file.
David A. Holland
parents: 182
diff changeset
266 as the input is processed.
1d2bad7151f9 Add a -debuglog option to send an execution trace to a file.
David A. Holland
parents: 182
diff changeset
267 Meant for debugging problems in complex substitution schemes fed to
1d2bad7151f9 Add a -debuglog option to send an execution trace to a file.
David A. Holland
parents: 182
diff changeset
268 .Nm ,
1d2bad7151f9 Add a -debuglog option to send an execution trace to a file.
David A. Holland
parents: 182
diff changeset
269 such as those used by
1d2bad7151f9 Add a -debuglog option to send an execution trace to a file.
David A. Holland
parents: 182
diff changeset
270 .Xr imake 1 .
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
271 .It Fl dD
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
272 Dump all macro definitions, except for the predefined macros, after
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
273 the normal preprocessing output.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
274 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
275 .It Fl dI
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
276 Dump all include directives along with the normal preprocessing
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
277 output.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
278 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
279 .It Fl dM
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
280 Dump all macro definitions instead of the normal preprocessing
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
281 output.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
282 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
283 .It Fl dN
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
284 Like
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
285 .Fl dD
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
286 but emits only macro names and not the expansions.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
287 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
288 .It Fl H
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
289 Output a trace of the include tree as it gets processed.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
290 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
291 .El
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
292 .Ss Other Options
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
293 .Bl -tag -width bubblebabble
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
294 .It Fl CC
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
295 Retain comments in output.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
296 Same as
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
297 .Fl C ,
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
298 accepted for compatibility with
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
299 .Xr gcc 1 .
121
103acee239e0 Man page fixes from wiz@.
David A. Holland
parents: 110
diff changeset
300 .It Fl fdollars-in-identifiers , Fl fno-dollars-in-identifiers
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
301 Enable
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
302 .Pq or disable, respectively
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
303 the use of the dollar sign in identifiers.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
304 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
305 .It Fl ftabstop=num
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
306 Set the tab width to the specified value, for reporting column
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
307 positions in diagnostics.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
308 The default is 8.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
309 Not implemented.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
310 .It Fl std=standard
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
311 Ask
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
312 .Nm
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
313 to conform to the named standard.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
314 The default, and the only supported value, is
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
315 .Dq krc .
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
316 .It Fl traditional
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
317 This option is accepted for compatibility with
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
318 .Xr gcc 1
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
319 and ignored.
123
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
320 .It Fl x Ar lang
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
321 Adjust the preprocessor for the given language.
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
322 The only values accepted for
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
323 .Ar lang
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
324 are
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
325 .Dq assembler-with-cpp
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
326 and
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
327 .Dq c ,
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
328 neither of which have any effect on the behavior of
9f479b52364a Add a bunch more options I forgot earlier (!)
David A. Holland
parents: 122
diff changeset
329 .Nm .
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
330 .El
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
331 .Sh FILES
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
332 The default list of directories searched for include files is:
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
333 .Bl -item -offset indent -compact
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
334 .It
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
335 .Pa /usr/local/include
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
336 .It
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
337 .Pa /usr/include
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
338 .El
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
339 .Sh SEE ALSO
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
340 .Xr cc 1 ,
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
341 .Xr cpp 1 ,
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
342 .Xr make 1
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
343 .Sh STANDARDS
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
344 None.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
345 The whole point of a traditional cpp is that it reflects practices
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
346 in pre-standardization implementations of C.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
347 Some information is available from the first edition of Kernighan and
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
348 Ritchie.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
349 Much of the rest of the behavior is based on lore, pragmatism,
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
350 material encountered in the wild, and comparison to other
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
351 implementations.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
352 .Sh HISTORY
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
353 The original version of
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
354 .Nm
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
355 was written one evening in late 2010.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
356 This version had some problems and was put aside.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
357 The first working version was released in June 2013.
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
358 .\" .Sh AUTHORS
121
103acee239e0 Man page fixes from wiz@.
David A. Holland
parents: 110
diff changeset
359 .\" .An David A. Holland
110
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
360 .Sh BUGS
b2f2f30194b8 Add a man page.
David A. Holland
parents:
diff changeset
361 Probably plenty.