1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2015, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
26 with Osint
; use Osint
;
27 with Output
; use Output
;
28 with Switch
; use Switch
;
30 with System
.WCh_Con
; use System
.WCh_Con
;
32 package body Bindusg
is
34 Already_Displayed
: Boolean := False;
35 -- Set True if Display called, used to avoid showing usage information
44 if Already_Displayed
then
47 Already_Displayed
:= True;
52 Write_Str
("Usage: ");
55 Write_Str
("switches lfile");
59 Display_Usage_Version_And_Help
;
61 -- Line for @response_file
63 Write_Line
(" @<resp_file> Get arguments from response file");
66 -- Line for -aO switch
68 Write_Line
(" -aOdir Specify library files search path");
70 -- Line for -aI switch
72 Write_Line
(" -aIdir Specify source files search path");
76 Write_Line
(" -a Automatically initialize elaboration " &
79 -- Lines for -A switch
81 Write_Line
(" -A Give list of ALI files in partition");
82 Write_Line
(" -A=file Write ALI file list to named file");
86 Write_Line
(" -b Generate brief messages to stderr " &
87 "even if verbose mode set");
91 Write_Line
(" -c Check only, no generation of " &
92 "binder output file");
96 Write_Line
(" -dnn[k|m] Default primary stack " &
97 "size = nn [kilo|mega] bytes");
101 Write_Line
(" -Dnn[k|m] Default secondary stack " &
102 "size = nn [kilo|mega] bytes");
104 -- Line for -e switch
106 Write_Line
(" -e Output complete list of elaboration " &
107 "order dependencies");
109 -- Line for -E switch
111 Write_Line
(" -Ea Store tracebacks in exception occurrences");
112 Write_Line
(" -Es Store tracebacks in exception occurrences,");
113 Write_Line
(" and enable symbolic tracebacks");
114 Write_Line
(" -E Same as -Ea");
116 -- The -f switch is voluntarily omitted, because it is obsolete
118 -- Line for -F switch
120 Write_Line
(" -F Force checking of elaboration Flags");
122 -- Line for -h switch
124 Write_Line
(" -h Output this usage (help) information");
126 -- Lines for -I switch
128 Write_Line
(" -Idir Specify library and source files search path");
129 Write_Line
(" -I- Don't look for sources & library files " &
130 "in default directory");
132 -- Line for -K switch
134 Write_Line
(" -K Give list of linker options specified " &
137 -- Line for -l switch
139 Write_Line
(" -l Output chosen elaboration order");
143 Write_Line
(" -Lxyz Library build: adainit/final " &
144 "renamed to xyzinit/final, implies -n");
146 -- Line for -m switch
148 Write_Line
(" -mnnn Limit number of detected errors/warnings " &
149 "to nnn (1-999999)");
151 -- Line for -M switch
153 Write_Line
(" -Mxyz Rename generated main program from " &
156 -- Line for -n switch
158 Write_Line
(" -n No Ada main program (foreign main routine)");
160 -- Line for -nostdinc
162 Write_Line
(" -nostdinc Don't look for source files " &
163 "in the system default directory");
165 -- Line for -nostdlib
167 Write_Line
(" -nostdlib Don't look for library files " &
168 "in the system default directory");
170 -- Line for -o switch
172 Write_Line
(" -o file Give the output file name " &
173 "(default is b~xxx.adb)");
175 -- Line for -O switch
177 Write_Line
(" -O Give list of objects required for link");
179 -- Line for -p switch
181 Write_Line
(" -p Pessimistic (worst-case) elaboration order");
183 -- Line for -P switch
185 Write_Line
(" -P Generate binder file suitable for CodePeer");
187 -- Line for -r switch
189 Write_Line
(" -r List restrictions that could be applied " &
190 "to this partition");
192 -- Line for -R switch
195 (" -R List sources referenced in closure");
197 -- Line for -s switch
199 Write_Line
(" -s Require all source files to be present");
201 -- Line for -S?? switch
203 Write_Line
(" -S?? Sin/lo/hi/xx/ev Initialize_Scalars " &
204 "invalid/low/high/hex/env var");
208 Write_Line
(" -static Link against a static GNAT run time");
212 Write_Line
(" -shared Link against a shared GNAT run time");
214 -- Line for -t switch
216 Write_Line
(" -t Tolerate time stamp and other " &
217 "consistency errors");
219 -- Line for -T switch
221 Write_Line
(" -Tn Set time slice value to n " &
222 "milliseconds (n >= 0)");
224 -- Line for -u switch
226 Write_Line
(" -un Enable dynamic stack analysis, with " &
229 -- Line for -v switch
231 Write_Line
(" -v Verbose mode. Error messages, " &
232 "header, summary output to stdout");
234 -- Line for -V switch
236 Write_Line
(" -Vkey=val Record bind-time variable key " &
238 -- Line for -w switch
240 Write_Line
(" -wx Warning mode. (x=s/e for " &
241 "suppress/treat as error)");
243 -- Line for -W switch
245 Write_Str
(" -W? Wide character encoding method (");
247 for J
in WC_Encoding_Method
loop
248 Write_Char
(WC_Encoding_Letters
(J
));
250 if J
= WC_Encoding_Method
'Last then
259 -- Line for -x switch
261 Write_Line
(" -x Exclude source files (check object " &
262 "consistency only)");
264 -- Line for -X switch
266 Write_Line
(" -Xnnn Default exit status value = nnn");
268 -- Line for -y switch
270 Write_Line
(" -y Enable leap seconds");
272 -- Line for -z switch
274 Write_Line
(" -z No main subprogram (zero main)");
278 -- Line for -Z switch
281 "Zero formatting in auxiliary outputs (-e, -K, -l, -R)");
285 Write_Line
(" --RTS=dir Specify the default source and " &
286 "object search path");
290 Write_Line
(" lfile Library file names");