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| -rw-r--r-- | file.h | 120 |
1 files changed, 0 insertions, 120 deletions
@@ -1,120 +0,0 @@ -/* Definition of target file data structures for GNU Make. -Copyright (C) 1988, 89, 90, 91, 92, 93, 94 Free Software Foundation, Inc. -This file is part of GNU Make. - -GNU Make is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Make is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Make; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -/* Structure that represents the info on one file - that the makefile says how to make. - All of these are chained together through `next'. */ - -struct file - { - struct file *next; - char *name; - struct dep *deps; - struct commands *cmds; /* Commands to execute for this target. */ - int command_flags; /* Flags OR'd in for cmds; see commands.h. */ - char *stem; /* Implicit stem, if an implicit - rule has been used */ - struct dep *also_make; /* Targets that are made by making this. */ - time_t last_mtime; /* File's modtime, if already known. */ - struct file *prev; /* Previous entry for same file name; - used when there are multiple double-colon - entries for the same file. */ - - /* File that this file was renamed to. After any time that a - file could be renamed, call `check_renamed' (below). */ - struct file *renamed; - - /* List of variable sets used for this file. */ - struct variable_set_list *variables; - - /* Immediate dependent that caused this target to be remade, - or nil if there isn't one. */ - struct file *parent; - - /* For a double-colon entry, this is the first double-colon entry for - the same file. Otherwise this is null. */ - struct file *double_colon; - - short int update_status; /* Status of the last attempt to update, - or -1 if none has been made. */ - - enum /* State of the commands. */ - { /* Note: It is important that cs_not_started be zero. */ - cs_not_started, /* Not yet started. */ - cs_deps_running, /* Dep commands running. */ - cs_running, /* Commands running. */ - cs_finished /* Commands finished. */ - } command_state ENUM_BITFIELD (2); - - unsigned int precious:1; /* Non-0 means don't delete file on quit */ - unsigned int tried_implicit:1; /* Nonzero if have searched - for implicit rule for making - this file; don't search again. */ - unsigned int updating:1; /* Nonzero while updating deps of this file */ - unsigned int updated:1; /* Nonzero if this file has been remade. */ - unsigned int is_target:1; /* Nonzero if file is described as target. */ - unsigned int cmd_target:1; /* Nonzero if file was given on cmd line. */ - unsigned int phony:1; /* Nonzero if this is a phony file - i.e., a dependency of .PHONY. */ - unsigned int intermediate:1;/* Nonzero if this is an intermediate file. */ - /* Nonzero, for an intermediate file, - means remove_intermediates should not delete it. */ - unsigned int secondary:1; - unsigned int dontcare:1; /* Nonzero if no complaint is to be made if - this target cannot be remade. */ - }; - -/* Number of intermediate files entered. */ - -extern unsigned int num_intermediates; - -extern struct file *default_goal_file, *suffix_file, *default_file; - - -extern struct file *lookup_file (), *enter_file (); -extern void remove_intermediates (), snap_deps (); -extern void rename_file (), file_hash_enter (); -extern void set_command_state (); - - -/* Return the mtime of file F (a struct file *), caching it. - The value is -1 if the file does not exist. */ -#define file_mtime(f) file_mtime_1 ((f), 1) -/* Return the mtime of file F (a struct file *), caching it. - Don't search using vpath for the file--if it doesn't actually exist, - we don't find it. - The value is -1 if the file does not exist. */ -#define file_mtime_no_search(f) file_mtime_1 ((f), 0) -extern time_t f_mtime (); -#define file_mtime_1(f, v) \ - ((f)->last_mtime != (time_t) 0 ? (f)->last_mtime : f_mtime ((f), v)) - -/* Modtime value to use for `infinitely new'. We used to get the current time - from the system and use that whenever we wanted `new'. But that causes - trouble when the machine running make and the machine holding a file have - different ideas about what time it is; and can also lose for `force' - targets, which need to be considered newer than anything that depends on - them, even if said dependents' modtimes are in the future. - - NOTE: This assumes 32-bit `time_t's, but I cannot think of a portable way - to produce the largest representable integer of a given signed type. */ -#define NEW_MTIME ((time_t) 0x7fffffff) - - -#define check_renamed(file) \ - while ((file)->renamed != 0) (file) = (file)->renamed /* No ; here. */ |