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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libcpp/] [include/] [mkdeps.h] - Blame information for rev 730

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1 730 jeremybenn
/* Dependency generator for Makefile fragments.
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   Copyright (C) 2000, 2001, 2003, 2009 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 3, 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; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.
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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 LIBCPP_MKDEPS_H
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#define LIBCPP_MKDEPS_H
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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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/* Create a deps buffer.  */
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extern struct deps *deps_init (void);
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/* Destroy a deps buffer.  */
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extern void deps_free (struct deps *);
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/* Add a set of "vpath" directories. The second argument is a colon-
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   separated list of pathnames, like you would set Make's VPATH
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   variable to.  If a dependency or target name begins with any of
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   these pathnames (and the next path element is not "..") that
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   pathname is stripped off.  */
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extern void deps_add_vpath (struct deps *, const char *);
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/* Add a target (appears on left side of the colon) to the deps list.  Takes
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   a boolean indicating whether to quote the target for MAKE.  */
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extern void deps_add_target (struct deps *, const char *, int);
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/* Sets the default target if none has been given already.  An empty
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   string as the default target is interpreted as stdin.  */
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extern void deps_add_default_target (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 (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 (const struct deps *, FILE *, unsigned int);
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/* Write out a deps buffer to a file, in a form that can be read back
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   with deps_restore.  Returns nonzero on error, in which case the
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   error number will be in errno.  */
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extern int deps_save (struct deps *, FILE *);
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/* Read back dependency information written with deps_save into
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   the deps buffer.  The third argument may be NULL, in which case
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   the dependency information is just skipped, or it may be a filename,
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   in which case that filename is skipped.  */
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extern int deps_restore (struct deps *, FILE *, const char *);
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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_phony_targets (const struct deps *, FILE *);
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#endif /* ! LIBCPP_MKDEPS_H */

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