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authorRoland McGrath <roland@redhat.com>1996-03-20 14:57:41 +0000
committerRoland McGrath <roland@redhat.com>1996-03-20 14:57:41 +0000
commit9e443adaf679b071fb3319cfc3259e322dcb6e57 (patch)
treea84a507d09be97fb0932bb661139921a59db71bd /filedef.h
parentdfefc77263fe835ae12b3ee27cc3ed9b084311c1 (diff)
downloadgunmake-9e443adaf679b071fb3319cfc3259e322dcb6e57.tar.gz
Tue Mar 19 20:21:34 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>
Merged VMS port from Klaus Kaempf <kkaempf@didymus.rmi.de>. * make.h (PARAMS): New macro. * config.h-vms: New file. * makefile.com: New file. * makefile.vms: New file. * readme.vms: New file. * vmsdir.h: New file. * vmsfunctions.c: New file. * vmsify.c: New file. * file.h: Renamed to filedef.h to avoid conflict with VMS system hdr. * ar.c: Added prototypes and changes for VMS. * commands.c: Likewise. * commands.h: Likewise. * default.c: Likewise. * dep.h: Likewise. * dir.c: Likewise. * expand.c: Likewise. * file.c: Likewise. * function.c: Likewise. * implicit.c: Likewise. * job.c: Likewise. * job.h: Likewise. * main.c: Likewise. * make.h: Likewise. * misc.c: Likewise. * read.c: Likewise. * remake.c: Likewise. * remote-stub.c: Likewise. * rule.c: Likewise. * rule.h: Likewise. * variable.c: Likewise. * variable.h: Likewise. * vpath.c: Likewise. * compatMakefile (srcs): Rename file.h to filedef.h.
Diffstat (limited to 'filedef.h')
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diff --git a/filedef.h b/filedef.h
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+/* 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. */