Import GNU Make 4.4.1

Landlock Make hasn't been working well on AARCH64 systems. Let's do this
over the right way, using our new build tools.

third_party/make/filedef.h

@@ -1,5 +1,5 @@
 /* Definition of target file data structures for GNU Make.
-Copyright (C) 1988-2020 Free Software Foundation, Inc.
+Copyright (C) 1988-2023 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
@@ -12,13 +12,14 @@ 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
-this program.  If not, see <http://www.gnu.org/licenses/>.  */
+this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
 
 /* Structure that represents the info on one file
    that the makefile says how to make.
    All of these are chained together through 'next'.  */
 
-#include "third_party/make/hash.h"
+#include "hash.h"
 
 struct commands;
 struct dep;
@@ -62,8 +63,6 @@ struct file
     FILE_TIMESTAMP last_mtime;  /* File's modtime, if already known.  */
     FILE_TIMESTAMP mtime_before_update; /* File's modtime before any updating
                                            has been performed.  */
-    FILE_TIMESTAMP touched;     /* Set if file was created in order for
-                                   Landlock LSM to sandbox it.  */
     unsigned int considered;    /* equal to 'considered' if file has been
                                    considered on current scan of goal chain */
     int command_flags;          /* Flags OR'd in for cmds; see commands.h.  */
@@ -85,6 +84,7 @@ struct file
     unsigned int builtin:1;     /* True if the file is a builtin rule. */
     unsigned int precious:1;    /* Non-0 means don't delete file on quit */
     unsigned int loaded:1;      /* True if the file is a loaded object. */
+    unsigned int unloaded:1;    /* True if this loaded object was unloaded. */
     unsigned int low_resolution_time:1; /* Nonzero if this file's time stamp
                                            has only one-second resolution.  */
     unsigned int tried_implicit:1; /* Nonzero if have searched
@@ -97,8 +97,11 @@ struct file
     unsigned int phony:1;       /* Nonzero if this is a phony file
                                    i.e., a prerequisite of .PHONY.  */
     unsigned int intermediate:1;/* Nonzero if this is an intermediate file.  */
+    unsigned int is_explicit:1; /* Nonzero if explicitly mentioned. */
     unsigned int secondary:1;   /* Nonzero means remove_intermediates should
                                    not delete it.  */
+    unsigned int notintermediate:1; /* Nonzero means a file is a prereq to
+                                       .NOTINTERMEDIATE.  */
     unsigned int dontcare:1;    /* Nonzero if no complaint is to be made if
                                    this target cannot be remade.  */
     unsigned int ignore_vpath:1;/* Nonzero if we threw out VPATH name.  */
@@ -106,6 +109,10 @@ struct file
                                    pattern-specific variables.  */
     unsigned int no_diag:1;     /* True if the file failed to update and no
                                    diagnostics has been issued (dontcare). */
+    unsigned int was_shuffled:1; /* Did we already shuffle 'deps'? used when
+                                    --shuffle passes through the graph.  */
+    unsigned int snapped:1;     /* True if the deps of this file have been
+                                   secondary expanded.  */
   };
 
 
@@ -116,6 +123,7 @@ struct file *lookup_file (const char *name);
 struct file *enter_file (const char *name);
 struct dep *split_prereqs (char *prereqstr);
 struct dep *enter_prereqs (struct dep *prereqs, const char *stem);
+void expand_deps (struct file *f);
 struct dep *expand_extra_prereqs (const struct variable *extra);
 void remove_intermediates (int sig);
 void snap_deps (void);
@@ -165,14 +173,14 @@ int stemlen_compare (const void *v1, const void *v2);
    add 4 to allow for any 4-digit epoch year (e.g. 1970);
    add 25 to allow for "-MM-DD HH:MM:SS.NNNNNNNNN".  */
 #define FLOOR_LOG2_SECONDS_PER_YEAR 24
-#define FILE_TIMESTAMP_PRINT_LEN_BOUND /* 62 */                            \
+#define FILE_TIMESTAMP_PRINT_LEN_BOUND \
   (((sizeof (FILE_TIMESTAMP) * CHAR_BIT - 1 - FLOOR_LOG2_SECONDS_PER_YEAR) \
     * 302 / 1000) \
    + 1 + 1 + 4 + 25)
 
 FILE_TIMESTAMP file_timestamp_cons (char const *, time_t, long int);
 FILE_TIMESTAMP file_timestamp_now (int *);
-void file_timestamp_sprintf (char *, int, FILE_TIMESTAMP );
+void file_timestamp_sprintf (char *p, FILE_TIMESTAMP ts);
 
 /* Return the mtime of file F (a struct file *), caching it.
    The value is NONEXISTENT_MTIME if the file does not exist.  */
@@ -204,6 +212,8 @@ FILE_TIMESTAMP f_mtime (struct file *file, int search);
                              << FILE_TIMESTAMP_LO_BITS) \
                             + ORDINARY_MTIME_MIN + FILE_TIMESTAMPS_PER_S - 1)
 
+#define is_ordinary_mtime(_t) ((_t) >= ORDINARY_MTIME_MIN && (_t) <= ORDINARY_MTIME_MAX)
+
 /* 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