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49e6c08e | 1 | /* Dependency generator for Makefile fragments. |
99dee823 | 2 | Copyright (C) 2000-2021 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 | |
748086b7 | 7 | Free Software Foundation; either version 3, or (at your option) any |
49e6c08e ZW |
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 | |
748086b7 JJ |
16 | along with this program; see the file COPYING3. If not see |
17 | <http://www.gnu.org/licenses/>. | |
49e6c08e ZW |
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 | 25 | |
918e8b10 NS |
26 | #include "cpplib.h" |
27 | ||
49e6c08e ZW |
28 | /* This is the data structure used by all the functions in mkdeps.c. |
29 | It's quite straightforward, but should be treated as opaque. */ | |
30 | ||
99b1c316 | 31 | class mkdeps; |
49e6c08e ZW |
32 | |
33 | /* Create a deps buffer. */ | |
99b1c316 | 34 | extern class mkdeps *deps_init (void); |
49e6c08e ZW |
35 | |
36 | /* Destroy a deps buffer. */ | |
99b1c316 | 37 | extern void deps_free (class mkdeps *); |
49e6c08e | 38 | |
c6e83800 ZW |
39 | /* Add a set of "vpath" directories. The second argument is a colon- |
40 | separated list of pathnames, like you would set Make's VPATH | |
41 | variable to. If a dependency or target name begins with any of | |
42 | these pathnames (and the next path element is not "..") that | |
43 | pathname is stripped off. */ | |
99b1c316 | 44 | extern void deps_add_vpath (class mkdeps *, const char *); |
c6e83800 | 45 | |
a5a4ce3c NB |
46 | /* Add a target (appears on left side of the colon) to the deps list. Takes |
47 | a boolean indicating whether to quote the target for MAKE. */ | |
99b1c316 | 48 | extern void deps_add_target (class mkdeps *, const char *, int); |
49e6c08e | 49 | |
03b9ab42 | 50 | /* Sets the default target if none has been given already. An empty |
48c4721e | 51 | string as the default target is interpreted as stdin. */ |
99b1c316 | 52 | extern void deps_add_default_target (class mkdeps *, const char *); |
49e6c08e | 53 | |
db87f19a NS |
54 | /* Adds a module target. The module name and cmi name are copied. */ |
55 | extern void deps_add_module_target (struct mkdeps *, const char *module, | |
56 | const char *cmi, bool is_header); | |
57 | ||
58 | /* Adds a module dependency. The module name is copied. */ | |
59 | extern void deps_add_module_dep (struct mkdeps *, const char *module); | |
60 | ||
49e6c08e ZW |
61 | /* Add a dependency (appears on the right side of the colon) to the |
62 | deps list. Dependencies will be printed in the order that they | |
63 | were entered with this function. By convention, the first | |
64 | dependency entered should be the primary source file. */ | |
99b1c316 | 65 | extern void deps_add_dep (class mkdeps *, const char *); |
49e6c08e | 66 | |
918e8b10 | 67 | /* Write out a deps buffer to a specified file. The last argument |
49e6c08e | 68 | is the number of columns to word-wrap at (0 means don't wrap). */ |
918e8b10 | 69 | extern void deps_write (const cpp_reader *, FILE *, unsigned int); |
49e6c08e | 70 | |
17211ab5 GK |
71 | /* Write out a deps buffer to a file, in a form that can be read back |
72 | with deps_restore. Returns nonzero on error, in which case the | |
73 | error number will be in errno. */ | |
99b1c316 | 74 | extern int deps_save (class mkdeps *, FILE *); |
17211ab5 GK |
75 | |
76 | /* Read back dependency information written with deps_save into | |
77 | the deps buffer. The third argument may be NULL, in which case | |
78 | the dependency information is just skipped, or it may be a filename, | |
79 | in which case that filename is skipped. */ | |
99b1c316 | 80 | extern int deps_restore (class mkdeps *, FILE *, const char *); |
17211ab5 | 81 | |
4f4e53dd | 82 | #endif /* ! LIBCPP_MKDEPS_H */ |