1 /* Dependency generator for Makefile fragments. 2 Copyright (C) 2000-2024 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 3, 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; see the file COPYING3. If not see 17 <http://www.gnu.org/licenses/>. 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 LIBCPP_MKDEPS_H 24 #define LIBCPP_MKDEPS_H 25 26 #include "cpplib.h" 27 28 /* This is the data structure used by all the functions in mkdeps.cc. 29 It's quite straightforward, but should be treated as opaque. */ 30 31 class mkdeps; 32 33 /* Create a deps buffer. */ 34 extern class mkdeps *deps_init (void); 35 36 /* Destroy a deps buffer. */ 37 extern void deps_free (class mkdeps *); 38 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. */ 44 extern void deps_add_vpath (class mkdeps *, const char *); 45 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. */ 48 extern void deps_add_target (class mkdeps *, const char *, int); 49 50 /* Sets the default target if none has been given already. An empty 51 string as the default target is interpreted as stdin. */ 52 extern void deps_add_default_target (class mkdeps *, const char *); 53 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 bool is_exported); 58 59 /* Adds a module dependency. The module name is copied. */ 60 extern void deps_add_module_dep (struct mkdeps *, const char *module); 61 62 /* Add a structured dependency target. */ 63 extern void fdeps_add_target (struct mkdeps *, const char *, bool); 64 65 /* Add a dependency (appears on the right side of the colon) to the 66 deps list. Dependencies will be printed in the order that they 67 were entered with this function. By convention, the first 68 dependency entered should be the primary source file. */ 69 extern void deps_add_dep (class mkdeps *, const char *); 70 71 /* Write out a deps buffer to a specified file. The last argument 72 is the number of columns to word-wrap at (0 means don't wrap). */ 73 extern void deps_write (const cpp_reader *, FILE *, unsigned int); 74 75 /* Write out a deps buffer to a specified file in P1689R5 format. */ 76 extern void deps_write_p1689r5 (const struct mkdeps *, FILE *); 77 78 /* Write out a deps buffer to a file, in a form that can be read back 79 with deps_restore. Returns nonzero on error, in which case the 80 error number will be in errno. */ 81 extern int deps_save (class mkdeps *, FILE *); 82 83 /* Read back dependency information written with deps_save into 84 the deps buffer. The third argument may be NULL, in which case 85 the dependency information is just skipped, or it may be a filename, 86 in which case that filename is skipped. */ 87 extern int deps_restore (class mkdeps *, FILE *, const char *); 88 89 #endif /* ! LIBCPP_MKDEPS_H */ 90
Indexes created Mon Mar 02 05:31:46 UTC 2026