nant's projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| 003757ed MD |
1 | /* Dependency generator for Makefile fragments. |
| 2 | Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc. | |
| 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 | ||
| 23 | #ifndef GCC_MKDEPS_H | |
| 24 | #define GCC_MKDEPS_H | |
| 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 | ||
| 29 | struct deps; | |
| 30 | ||
| 31 | /* Create a deps buffer. */ | |
| 32 | extern struct deps *deps_init (void); | |
| 33 | ||
| 34 | /* Destroy a deps buffer. */ | |
| 35 | extern void deps_free (struct deps *); | |
| 36 | ||
| 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. */ | |
| 39 | extern void deps_add_target (struct deps *, const char *, int); | |
| 40 | ||
| 41 | /* Sets the default target if none has been given already. An empty | |
| 42 | string as the default target is interpreted as stdin. */ | |
| 43 | extern void deps_add_default_target (struct deps *, const char *); | |
| 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. */ | |
| 49 | extern void deps_add_dep (struct deps *, const char *); | |
| 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). */ | |
| 53 | extern void deps_write (const struct deps *, FILE *, unsigned int); | |
| 54 | ||
| 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. */ | |
| 58 | extern int deps_save (struct deps *, FILE *); | |
| 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. */ | |
| 64 | extern int deps_restore (struct deps *, FILE *, const char *); | |
| 65 | ||
| 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. */ | |
| 70 | extern void deps_phony_targets (const struct deps *, FILE *); | |
| 71 | ||
| 72 | #endif /* ! GCC_MKDEPS_H */ |