73 lines
2.9 KiB
C
73 lines
2.9 KiB
C
/* Dependency generator for Makefile fragments.
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Copyright (C) 2000 Free Software Foundation, Inc.
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Contributed by Zack Weinberg, Mar 2000
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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In other words, you are welcome to use, share and improve this program.
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You are forbidden to forbid anyone else to use, share and improve
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what you give them. Help stamp out software-hoarding! */
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#ifndef __GCC_MKDEPS__
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#define __GCC_MKDEPS__
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/* This is the data structure used by all the functions in mkdeps.c.
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It's quite straightforward, but should be treated as opaque. */
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struct deps
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{
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const char **targetv;
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unsigned int ntargets; /* number of slots actually occupied */
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unsigned int targets_size; /* amt of allocated space - in words */
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const char **depv;
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unsigned int ndeps;
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unsigned int deps_size;
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};
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/* Create a deps buffer. */
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extern struct deps *deps_init PARAMS ((void));
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/* Destroy a deps buffer. */
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extern void deps_free PARAMS ((struct deps *));
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/* Add a target (appears on left side of the colon) to the deps list. */
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extern void deps_add_target PARAMS ((struct deps *, const char *));
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/* Given the name of the primary source file, calculate and add the
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name of the target. This is done by locating and stripping the
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file extension (if any) and adding .o (OBJECT_SUFFIX). In addition,
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any directory components of the path are discarded. */
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extern void deps_calc_target PARAMS ((struct deps *, const char *));
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/* Add a dependency (appears on the right side of the colon) to the
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deps list. Dependencies will be printed in the order that they
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were entered with this function. By convention, the first
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dependency entered should be the primary source file. */
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extern void deps_add_dep PARAMS ((struct deps *, const char *));
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/* Write out a deps buffer to a specified file. The third argument
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is the number of columns to word-wrap at (0 means don't wrap). */
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extern void deps_write PARAMS ((const struct deps *, FILE *,
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unsigned int));
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/* For each dependency *except the first*, emit a dummy rule for that
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file, causing it to depend on nothing. This is used to work around
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the intermediate-file deletion misfeature in Make, in some
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automatic dependency schemes. */
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extern void deps_dummy_targets PARAMS ((const struct deps *, FILE *));
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#endif
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