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49e6c08e | 1 | /* Dependency generator for Makefile fragments. |
0c20a65f | 2 | Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc. |
49e6c08e ZW |
3 | Contributed by Zack Weinberg, Mar 2000 |
4 | ||
5 | This program is free software; you can redistribute it and/or modify it | |
6 | under the terms of the GNU General Public License as published by the | |
7 | Free Software Foundation; either version 2, or (at your option) any | |
8 | later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
19 | In other words, you are welcome to use, share and improve this program. | |
20 | You are forbidden to forbid anyone else to use, share and improve | |
21 | what you give them. Help stamp out software-hoarding! */ | |
22 | ||
4f4e53dd PB |
23 | #ifndef LIBCPP_MKDEPS_H |
24 | #define LIBCPP_MKDEPS_H | |
49e6c08e ZW |
25 | |
26 | /* This is the data structure used by all the functions in mkdeps.c. | |
27 | It's quite straightforward, but should be treated as opaque. */ | |
28 | ||
03b9ab42 | 29 | struct deps; |
49e6c08e ZW |
30 | |
31 | /* Create a deps buffer. */ | |
0c20a65f | 32 | extern struct deps *deps_init (void); |
49e6c08e ZW |
33 | |
34 | /* Destroy a deps buffer. */ | |
0c20a65f | 35 | extern void deps_free (struct deps *); |
49e6c08e | 36 | |
a5a4ce3c NB |
37 | /* Add a target (appears on left side of the colon) to the deps list. Takes |
38 | a boolean indicating whether to quote the target for MAKE. */ | |
0c20a65f | 39 | extern void deps_add_target (struct deps *, const char *, int); |
49e6c08e | 40 | |
03b9ab42 | 41 | /* Sets the default target if none has been given already. An empty |
48c4721e | 42 | string as the default target is interpreted as stdin. */ |
0c20a65f | 43 | extern void deps_add_default_target (struct deps *, const char *); |
49e6c08e ZW |
44 | |
45 | /* Add a dependency (appears on the right side of the colon) to the | |
46 | deps list. Dependencies will be printed in the order that they | |
47 | were entered with this function. By convention, the first | |
48 | dependency entered should be the primary source file. */ | |
0c20a65f | 49 | extern void deps_add_dep (struct deps *, const char *); |
49e6c08e ZW |
50 | |
51 | /* Write out a deps buffer to a specified file. The third argument | |
52 | is the number of columns to word-wrap at (0 means don't wrap). */ | |
0c20a65f | 53 | extern void deps_write (const struct deps *, FILE *, unsigned int); |
49e6c08e | 54 | |
17211ab5 GK |
55 | /* Write out a deps buffer to a file, in a form that can be read back |
56 | with deps_restore. Returns nonzero on error, in which case the | |
57 | error number will be in errno. */ | |
0c20a65f | 58 | extern int deps_save (struct deps *, FILE *); |
17211ab5 GK |
59 | |
60 | /* Read back dependency information written with deps_save into | |
61 | the deps buffer. The third argument may be NULL, in which case | |
62 | the dependency information is just skipped, or it may be a filename, | |
63 | in which case that filename is skipped. */ | |
0c20a65f | 64 | extern int deps_restore (struct deps *, FILE *, const char *); |
17211ab5 | 65 | |
49e6c08e ZW |
66 | /* For each dependency *except the first*, emit a dummy rule for that |
67 | file, causing it to depend on nothing. This is used to work around | |
68 | the intermediate-file deletion misfeature in Make, in some | |
69 | automatic dependency schemes. */ | |
0c20a65f | 70 | extern void deps_phony_targets (const struct deps *, FILE *); |
49e6c08e | 71 | |
4f4e53dd | 72 | #endif /* ! LIBCPP_MKDEPS_H */ |