3cd0dace213d02553b42d7e4de3e263b0f9784e5
[sfrench/samba-autobuild/.git] / source3 / script / mkbuildoptions.awk
1 BEGIN {
2         print "/* ";
3         print "   Unix SMB/CIFS implementation.";
4         print "   Build Options for Samba Suite";
5         print "   Copyright (C) Vance Lankhaar <vlankhaar@linux.ca> 2003";
6         print "   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2001";
7         print "   ";
8         print "   This program is free software; you can redistribute it and/or modify";
9         print "   it under the terms of the GNU General Public License as published by";
10         print "   the Free Software Foundation; either version 3 of the License, or";
11         print "   (at your option) any later version.";
12         print "   ";
13         print "   This program is distributed in the hope that it will be useful,";
14         print "   but WITHOUT ANY WARRANTY; without even the implied warranty of";
15         print "   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the";
16         print "   GNU General Public License for more details.";
17         print "   ";
18         print "   You should have received a copy of the GNU General Public License";
19         print "   along with this program; if not, see <http://www.gnu.org/licenses/>."
20         print "*/";
21         print "";
22         print "#include \"includes.h\"";
23         print "#include \"build_env.h\"";
24         print "#include \"dynconfig/dynconfig.h\"";
25         print "";
26         print "static int output(bool screen, const char *format, ...) PRINTF_ATTRIBUTE(2,3);";
27         print "void build_options(bool screen);";
28         print "";
29         print "";
30         print "/****************************************************************************";
31         print "helper function for build_options";
32         print "****************************************************************************/";
33         print "static int output(bool screen, const char *format, ...)";
34         print "{";
35         print "       char *ptr = NULL;";
36         print "       int ret = 0;";
37         print "       va_list ap;";
38         print "       ";
39         print "       va_start(ap, format);";
40         print "       ret = vasprintf(&ptr,format,ap);";
41         print "       va_end(ap);";
42         print "";
43         print "       if (screen) {";
44         print "              d_printf(\"%s\", ptr ? ptr : \"\");";
45         print "       } else {";
46         print "        DEBUG(4,(\"%s\", ptr ? ptr : \"\"));";
47         print "       }";
48         print "       ";
49         print "       SAFE_FREE(ptr);";
50         print "       return ret;";
51         print "}";
52         print "";
53         print "/****************************************************************************";
54         print "options set at build time for the samba suite";
55         print "****************************************************************************/";
56         print "void build_options(bool screen)";
57         print "{";
58         print "       if ((DEBUGLEVEL < 4) && (!screen)) {";
59         print "        return;";
60         print "       }";
61         print "";
62         print "#ifdef _BUILD_ENV_H";
63         print "       /* Output information about the build environment */";
64         print "       output(screen,\"Build environment:\\n\");";
65         print "       output(screen,\"   Built by:    %s@%s\\n\",BUILD_ENV_USER,BUILD_ENV_HOST);";
66         print "       output(screen,\"   Built on:    %s\\n\",BUILD_ENV_DATE);";
67         print "";
68         print "       output(screen,\"   Built using: %s\\n\",BUILD_ENV_COMPILER);";
69         print "       output(screen,\"   Build host:  %s\\n\",BUILD_ENV_UNAME);";
70         print "       output(screen,\"   SRCDIR:      %s\\n\",BUILD_ENV_SRCDIR);";
71         print "       output(screen,\"   BUILDDIR:    %s\\n\",BUILD_ENV_BUILDDIR);";
72         print "";
73         print "     ";  
74         print "#endif";
75         print "";
76
77         print "       /* Output various paths to files and directories */";
78         print "       output(screen,\"\\nPaths:\\n\");";
79
80         print "       output(screen,\"   SBINDIR: %s\\n\", get_dyn_SBINDIR());";
81         print "       output(screen,\"   BINDIR: %s\\n\", get_dyn_BINDIR());";
82         print "       output(screen,\"   SWATDIR: %s\\n\", get_dyn_SWATDIR());";
83
84         print "       output(screen,\"   CONFIGFILE: %s\\n\", get_dyn_CONFIGFILE());";
85         print "       output(screen,\"   LOGFILEBASE: %s\\n\", get_dyn_LOGFILEBASE());";
86         print "       output(screen,\"   LMHOSTSFILE: %s\\n\",get_dyn_LMHOSTSFILE());";
87
88         print "       output(screen,\"   LIBDIR: %s\\n\",get_dyn_LIBDIR());";
89         print "       output(screen,\"   MODULESDIR: %s\\n\",get_dyn_MODULESDIR());";
90         print "       output(screen,\"   SHLIBEXT: %s\\n\",get_dyn_SHLIBEXT());";
91
92         print "       output(screen,\"   LOCKDIR: %s\\n\",get_dyn_LOCKDIR());";
93         print "       output(screen,\"   STATEDIR: %s\\n\",get_dyn_STATEDIR());";
94         print "       output(screen,\"   CACHEDIR: %s\\n\",get_dyn_CACHEDIR());";
95         print "       output(screen,\"   PIDDIR: %s\\n\", get_dyn_PIDDIR());";
96
97         print "       output(screen,\"   SMB_PASSWD_FILE: %s\\n\",get_dyn_SMB_PASSWD_FILE());";
98         print "       output(screen,\"   PRIVATE_DIR: %s\\n\",get_dyn_PRIVATE_DIR());";
99         print "";
100
101
102 ##################################################
103 # predefine first element of *_ary
104 # predefine *_i (num of elements in *_ary)
105         with_ary[0]="";
106         with_i=0;
107         have_ary[0]="";
108         have_i=0;
109         utmp_ary[0]="";
110         utmp_i=0;
111         misc_ary[0]="";
112         misc_i=0;
113         sys_ary[0]="";
114         sys_i=0;
115         headers_ary[0]="";
116         headers_i=0;
117         in_comment = 0;
118 }
119
120 # capture single line comments
121 /^\/\* (.*?)\*\// {
122         last_comment = $0;
123         next;
124 }
125
126 # end capture multi-line comments
127 /(.*?)\*\// {
128         last_comment = last_comment $0; 
129         in_comment = 0;
130         next;
131 }
132
133 # capture middle lines of multi-line comments
134 in_comment {
135         last_comment = last_comment $0; 
136         next;
137 }
138
139 # begin capture multi-line comments
140 /^\/\* (.*?)/ {
141         last_comment = $0;
142         in_comment = 1;
143         next
144 }
145
146 ##################################################
147 # if we have an #undef and a last_comment, store it
148 /^\#undef/ {
149         split($0,a);
150         comments_ary[a[2]] = last_comment;
151         last_comment = "";
152 }
153
154 ##################################################
155 # for each line, sort into appropriate section
156 # then move on
157
158 /^\#undef WITH/ {
159         with_ary[with_i++] = a[2];
160         # we want (I think) to allow --with to show up in more than one place, so no next
161 }
162
163
164 /^\#undef HAVE_UT_UT_/ || /^\#undef .*UTMP/ {
165         utmp_ary[utmp_i++] = a[2];
166         next;
167 }
168
169 /^\#undef HAVE_SYS_.*?_H$/ {
170         sys_ary[sys_i++] = a[2];
171         next;
172 }
173
174 /^\#undef HAVE_.*?_H$/ {
175         headers_ary[headers_i++] = a[2];
176         next;
177 }
178
179 /^\#undef HAVE_/ {
180         have_ary[have_i++] = a[2];
181         next;
182 }
183
184 /^\#undef/ {
185         misc_ary[misc_i++] = a[2];
186         next;
187 }
188
189
190 ##################################################
191 # simple sort function
192 function sort(ARRAY, ELEMENTS) {
193         for (i = 1; i <= ELEMENTS; ++i) {
194                 for (j = i; (j-1) in ARRAY && (j) in ARRAY && ARRAY[j-1] > ARRAY[j]; --j) {
195                         temp = ARRAY[j];
196                         ARRAY[j] = ARRAY[j-1];
197                         ARRAY[j-1] = temp;
198                 }
199         }
200         return;
201 }    
202
203
204 ##################################################
205 # output code from list of defined
206 # expects: ARRAY     an array of things defined
207 #          ELEMENTS  number of elements in ARRAY
208 #          TITLE     title for section
209 # returns: nothing 
210 function output(ARRAY, ELEMENTS, TITLE) {
211         
212         # add section header
213         print "\n\t/* Show " TITLE " */";
214         print "\toutput(screen, \"\\n " TITLE ":\\n\");\n";
215         
216
217         # sort element using bubble sort (slow, but easy)
218         sort(ARRAY, ELEMENTS);
219
220         # loop through array of defines, outputting code
221         for (i = 0; i < ELEMENTS; i++) {
222                 print "#ifdef " ARRAY[i];
223                 
224                 # I don't know which one to use....
225                 
226                 print "\toutput(screen, \"   " ARRAY[i] "\\n\");";
227                 #printf "\toutput(screen, \"   %s\\n   %s\\n\\n\");\n", comments_ary[ARRAY[i]], ARRAY[i];
228                 #printf "\toutput(screen, \"   %-35s   %s\\n\");\n", ARRAY[i], comments_ary[ARRAY[i]];
229
230                 print "#endif";
231         }
232         return;
233 }
234
235 END {
236         ##################################################
237         # add code to show various options
238         print "/* Output various other options (as gleaned from include/config.h.in) */";
239         output(sys_ary,     sys_i,     "System Headers");
240         output(headers_ary, headers_i, "Headers");
241         output(utmp_ary,    utmp_i,    "UTMP Options");
242         output(have_ary,    have_i,    "HAVE_* Defines");
243         output(with_ary,    with_i,    "--with Options");
244         output(misc_ary,    misc_i,    "Build Options");
245
246         ##################################################
247         # add code to display the various type sizes
248         print "       /* Output the sizes of the various types */";
249         print "       output(screen, \"\\nType sizes:\\n\");";
250         print "       output(screen, \"   sizeof(char):         %lu\\n\",(unsigned long)sizeof(char));";
251         print "       output(screen, \"   sizeof(int):          %lu\\n\",(unsigned long)sizeof(int));";
252         print "       output(screen, \"   sizeof(long):         %lu\\n\",(unsigned long)sizeof(long));";
253         print "#if HAVE_LONGLONG"
254         print "       output(screen, \"   sizeof(long long):    %lu\\n\",(unsigned long)sizeof(long long));";
255         print "#endif"
256         print "       output(screen, \"   sizeof(uint8):        %lu\\n\",(unsigned long)sizeof(uint8));";
257         print "       output(screen, \"   sizeof(uint16):       %lu\\n\",(unsigned long)sizeof(uint16));";
258         print "       output(screen, \"   sizeof(uint32):       %lu\\n\",(unsigned long)sizeof(uint32));";
259         print "       output(screen, \"   sizeof(short):        %lu\\n\",(unsigned long)sizeof(short));";
260         print "       output(screen, \"   sizeof(void*):        %lu\\n\",(unsigned long)sizeof(void*));";
261         print "       output(screen, \"   sizeof(size_t):       %lu\\n\",(unsigned long)sizeof(size_t));";
262         print "       output(screen, \"   sizeof(off_t):        %lu\\n\",(unsigned long)sizeof(off_t));";
263         print "       output(screen, \"   sizeof(ino_t):        %lu\\n\",(unsigned long)sizeof(ino_t));";
264         print "       output(screen, \"   sizeof(dev_t):        %lu\\n\",(unsigned long)sizeof(dev_t));";
265
266         ##################################################
267         # add code to give information about modules
268         print "       output(screen, \"\\nBuiltin modules:\\n\");";
269         print "       output(screen, \"   %s\\n\", STRING_STATIC_MODULES);";
270
271         print "}";
272
273 }
274