mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-06-27 14:58:30 +00:00
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.
This commit is contained in:
parent
9315ebbfd9
commit
14bf57180f
88 changed files with 13931 additions and 16191 deletions
378
third_party/make/implicit.c
vendored
378
third_party/make/implicit.c
vendored
|
@ -1,5 +1,5 @@
|
|||
/* Implicit rule searching 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
|
||||
|
@ -12,19 +12,22 @@ 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/>. */
|
||||
|
||||
#include "third_party/make/makeint.inc"
|
||||
#include "third_party/make/filedef.h"
|
||||
#include "third_party/make/rule.h"
|
||||
#include "third_party/make/dep.h"
|
||||
#include "third_party/make/debug.h"
|
||||
#include "third_party/make/variable.h"
|
||||
#include "third_party/make/job.h" /* struct child, used inside commands.h */
|
||||
#include "third_party/make/commands.h" /* set_file_variables */
|
||||
#include "makeint.h"
|
||||
#include "filedef.h"
|
||||
#include "rule.h"
|
||||
#include "dep.h"
|
||||
#include "debug.h"
|
||||
#include "variable.h"
|
||||
#include "job.h" /* struct child, used inside commands.h */
|
||||
#include "commands.h" /* set_file_variables */
|
||||
#include "shuffle.h"
|
||||
#include <assert.h>
|
||||
|
||||
static int pattern_search (struct file *file, int archive,
|
||||
unsigned int depth, unsigned int recursions);
|
||||
unsigned int depth, unsigned int recursions,
|
||||
int allow_compat_rules);
|
||||
|
||||
/* For a FILE which has no commands specified, try to figure out some
|
||||
from the implicit pattern rules.
|
||||
|
@ -42,7 +45,7 @@ try_implicit_rule (struct file *file, unsigned int depth)
|
|||
(the archive search omits the archive name), it is more specific and
|
||||
should come first. */
|
||||
|
||||
if (pattern_search (file, 0, depth, 0))
|
||||
if (pattern_search (file, 0, depth, 0, 0))
|
||||
return 1;
|
||||
|
||||
#ifndef NO_ARCHIVES
|
||||
|
@ -52,8 +55,11 @@ try_implicit_rule (struct file *file, unsigned int depth)
|
|||
{
|
||||
DBF (DB_IMPLICIT,
|
||||
_("Looking for archive-member implicit rule for '%s'.\n"));
|
||||
if (pattern_search (file, 1, depth, 0))
|
||||
if (pattern_search (file, 1, depth, 0, 0))
|
||||
return 1;
|
||||
DBS (DB_IMPLICIT,
|
||||
(_("No archive-member implicit rule found for '%s'.\n"),
|
||||
file->name));
|
||||
}
|
||||
#endif
|
||||
|
||||
|
@ -153,6 +159,8 @@ struct patdeps
|
|||
struct file *file;
|
||||
unsigned int ignore_mtime : 1;
|
||||
unsigned int ignore_automatic_vars : 1;
|
||||
unsigned int is_explicit : 1;
|
||||
unsigned int wait_here : 1;
|
||||
};
|
||||
|
||||
/* This structure stores information about pattern rules that we need
|
||||
|
@ -200,7 +208,8 @@ stemlen_compare (const void *v1, const void *v2)
|
|||
|
||||
static int
|
||||
pattern_search (struct file *file, int archive,
|
||||
unsigned int depth, unsigned int recursions)
|
||||
unsigned int depth, unsigned int recursions,
|
||||
int allow_compat_rules)
|
||||
{
|
||||
/* Filename we are searching for a rule for. */
|
||||
const char *filename = archive ? strchr (file->name, '(') : file->name;
|
||||
|
@ -223,7 +232,11 @@ pattern_search (struct file *file, int archive,
|
|||
|
||||
/* Names of possible dependencies are constructed in this buffer.
|
||||
We may replace % by $(*F) for second expansion, increasing the length. */
|
||||
char *depname = alloca (namelen + max_pattern_dep_length + 4);
|
||||
size_t deplen = namelen + max_pattern_dep_length + 4;
|
||||
char *depname = alloca (deplen);
|
||||
#ifndef NDEBUG
|
||||
char *dend = depname + deplen;
|
||||
#endif
|
||||
|
||||
/* The start and length of the stem of FILENAME for the current rule. */
|
||||
const char *stem = 0;
|
||||
|
@ -251,6 +264,7 @@ pattern_search (struct file *file, int archive,
|
|||
int specific_rule_matched = 0;
|
||||
|
||||
unsigned int ri; /* uninit checks OK */
|
||||
int found_compat_rule = 0;
|
||||
struct rule *rule;
|
||||
|
||||
char *pathdir = NULL;
|
||||
|
@ -258,6 +272,8 @@ pattern_search (struct file *file, int archive,
|
|||
|
||||
PATH_VAR (stem_str); /* @@ Need to get rid of stem, stemlen, etc. */
|
||||
|
||||
++depth;
|
||||
|
||||
#ifndef NO_ARCHIVES
|
||||
if (archive || ar_name (filename))
|
||||
lastslash = 0;
|
||||
|
@ -268,6 +284,14 @@ pattern_search (struct file *file, int archive,
|
|||
but not counting any slash at the end. (foo/bar/ counts as
|
||||
bar/ in directory foo/, not empty in directory foo/bar/.) */
|
||||
lastslash = memrchr (filename, '/', namelen - 1);
|
||||
#ifdef VMS
|
||||
if (lastslash == NULL)
|
||||
lastslash = strrchr (filename, ']');
|
||||
if (lastslash == NULL)
|
||||
lastslash = strrchr (filename, '>');
|
||||
if (lastslash == NULL)
|
||||
lastslash = strrchr (filename, ':');
|
||||
#endif
|
||||
#ifdef HAVE_DOS_PATHS
|
||||
/* Handle backslashes (possibly mixed with forward slashes)
|
||||
and the case of "d:file". */
|
||||
|
@ -300,7 +324,9 @@ pattern_search (struct file *file, int archive,
|
|||
don't use it here. */
|
||||
if (rule->in_use)
|
||||
{
|
||||
DBS (DB_IMPLICIT, (_("Avoiding implicit rule recursion.\n")));
|
||||
DBS (DB_IMPLICIT,
|
||||
(_("Avoiding implicit rule recursion for rule '%s'.\n"),
|
||||
get_rule_defn (rule)));
|
||||
continue;
|
||||
}
|
||||
|
||||
|
@ -331,7 +357,11 @@ pattern_search (struct file *file, int archive,
|
|||
check_lastslash = 0;
|
||||
if (lastslash)
|
||||
{
|
||||
#ifdef VMS
|
||||
check_lastslash = strpbrk (target, "/]>:") == NULL;
|
||||
#else
|
||||
check_lastslash = strchr (target, '/') == 0;
|
||||
#endif
|
||||
#ifdef HAVE_DOS_PATHS
|
||||
/* Didn't find it yet: check for DOS-type directories. */
|
||||
if (check_lastslash)
|
||||
|
@ -419,6 +449,8 @@ pattern_search (struct file *file, int archive,
|
|||
for (intermed_ok = 0; intermed_ok < 2; ++intermed_ok)
|
||||
{
|
||||
pat = deplist;
|
||||
if (intermed_ok)
|
||||
DBS (DB_IMPLICIT, (_("Trying harder.\n")));
|
||||
|
||||
/* Try each pattern rule till we find one that applies. If it does,
|
||||
expand its dependencies (as substituted) and chain them in DEPS. */
|
||||
|
@ -467,6 +499,10 @@ pattern_search (struct file *file, int archive,
|
|||
}
|
||||
}
|
||||
|
||||
DBS (DB_IMPLICIT,
|
||||
(_("Trying pattern rule '%s' with stem '%.*s'.\n"),
|
||||
get_rule_defn (rule), (int) stemlen, stem));
|
||||
|
||||
if (stemlen + (check_lastslash ? pathlen : 0) > GET_PATH_MAX)
|
||||
{
|
||||
DBS (DB_IMPLICIT, (_("Stem too long: '%s%.*s'.\n"),
|
||||
|
@ -475,9 +511,6 @@ pattern_search (struct file *file, int archive,
|
|||
continue;
|
||||
}
|
||||
|
||||
DBS (DB_IMPLICIT, (_("Trying pattern rule with stem '%.*s'.\n"),
|
||||
(int) stemlen, stem));
|
||||
|
||||
if (!check_lastslash)
|
||||
{
|
||||
memcpy (stem_str, stem, stemlen);
|
||||
|
@ -496,10 +529,6 @@ pattern_search (struct file *file, int archive,
|
|||
if (rule->deps == 0)
|
||||
break;
|
||||
|
||||
/* Temporary assign STEM to file->stem (needed to set file
|
||||
variables below). */
|
||||
file->stem = stem_str;
|
||||
|
||||
/* Mark this rule as in use so a recursive pattern_search won't try
|
||||
to use it. */
|
||||
rule->in_use = 1;
|
||||
|
@ -514,7 +543,6 @@ pattern_search (struct file *file, int archive,
|
|||
while (1)
|
||||
{
|
||||
struct dep *dl, *d;
|
||||
char *p;
|
||||
|
||||
/* If we're out of name to parse, start the next prereq. */
|
||||
if (! nptr)
|
||||
|
@ -528,32 +556,33 @@ pattern_search (struct file *file, int archive,
|
|||
/* If we don't need a second expansion, just replace the %. */
|
||||
if (! dep->need_2nd_expansion)
|
||||
{
|
||||
p = strchr (nptr, '%');
|
||||
if (p == 0)
|
||||
char *p;
|
||||
int is_explicit = 1;
|
||||
const char *cp = strchr (nptr, '%');
|
||||
if (cp == 0)
|
||||
strcpy (depname, nptr);
|
||||
else
|
||||
{
|
||||
char *o = depname;
|
||||
if (check_lastslash)
|
||||
{
|
||||
memcpy (o, filename, pathlen);
|
||||
o += pathlen;
|
||||
}
|
||||
memcpy (o, nptr, p - nptr);
|
||||
o += p - nptr;
|
||||
memcpy (o, stem, stemlen);
|
||||
o += stemlen;
|
||||
strcpy (o, p + 1);
|
||||
o = mempcpy (o, filename, pathlen);
|
||||
o = mempcpy (o, nptr, cp - nptr);
|
||||
o = mempcpy (o, stem, stemlen);
|
||||
strcpy (o, cp + 1);
|
||||
is_explicit = 0;
|
||||
}
|
||||
|
||||
/* Parse the expanded string. It might have wildcards. */
|
||||
p = depname;
|
||||
dl = PARSE_FILE_SEQ (&p, struct dep, MAP_NUL, NULL, PARSEFS_ONEWORD);
|
||||
dl = PARSE_FILE_SEQ (&p, struct dep, MAP_NUL, NULL,
|
||||
PARSEFS_ONEWORD|PARSEFS_WAIT);
|
||||
for (d = dl; d != NULL; d = d->next)
|
||||
{
|
||||
++deps_found;
|
||||
d->ignore_mtime = dep->ignore_mtime;
|
||||
d->ignore_automatic_vars = dep->ignore_automatic_vars;
|
||||
d->wait_here |= dep->wait_here;
|
||||
d->is_explicit = is_explicit;
|
||||
}
|
||||
|
||||
/* We've used up this dep, so next time get a new one. */
|
||||
|
@ -573,17 +602,22 @@ pattern_search (struct file *file, int archive,
|
|||
{
|
||||
int add_dir = 0;
|
||||
size_t len;
|
||||
const char *end;
|
||||
struct dep **dptr;
|
||||
int is_explicit;
|
||||
const char *cp;
|
||||
char *p;
|
||||
|
||||
nptr = get_next_word (nptr, &len);
|
||||
if (nptr == 0)
|
||||
continue;
|
||||
end = nptr + len;
|
||||
|
||||
/* See this is a transition to order-only prereqs. */
|
||||
/* See if this is a transition to order-only prereqs. */
|
||||
if (! order_only && len == 1 && nptr[0] == '|')
|
||||
{
|
||||
order_only = 1;
|
||||
nptr += len;
|
||||
nptr = end;
|
||||
continue;
|
||||
}
|
||||
|
||||
|
@ -598,49 +632,76 @@ pattern_search (struct file *file, int archive,
|
|||
(since $* and $(*F) are simple variables) there won't be
|
||||
additional re-expansion of the stem. */
|
||||
|
||||
p = lindex (nptr, nptr + len, '%');
|
||||
if (p == 0)
|
||||
cp = lindex (nptr, end, '%');
|
||||
if (cp == 0)
|
||||
{
|
||||
memcpy (depname, nptr, len);
|
||||
depname[len] = '\0';
|
||||
is_explicit = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
size_t i = p - nptr;
|
||||
/* Go through all % between NPTR and END.
|
||||
Copy contents of [NPTR, END) to depname, with the
|
||||
first % after NPTR and then each first % after white
|
||||
space replaced with $* or $(*F). depname has enough
|
||||
room to substitute each % with $(*F). */
|
||||
char *o = depname;
|
||||
memcpy (o, nptr, i);
|
||||
o += i;
|
||||
if (check_lastslash)
|
||||
|
||||
is_explicit = 0;
|
||||
for (;;)
|
||||
{
|
||||
add_dir = 1;
|
||||
memcpy (o, "$(*F)", 5);
|
||||
o += 5;
|
||||
size_t i = cp - nptr;
|
||||
assert (o + i < dend);
|
||||
o = mempcpy (o, nptr, i);
|
||||
if (check_lastslash)
|
||||
{
|
||||
add_dir = 1;
|
||||
assert (o + 5 < dend);
|
||||
o = mempcpy (o, "$(*F)", 5);
|
||||
}
|
||||
else
|
||||
{
|
||||
assert (o + 2 < dend);
|
||||
o = mempcpy (o, "$*", 2);
|
||||
}
|
||||
assert (o < dend);
|
||||
++cp;
|
||||
assert (cp <= end);
|
||||
nptr = cp;
|
||||
if (nptr == end)
|
||||
break;
|
||||
|
||||
/* Skip the rest of this word then find the next %.
|
||||
No need to worry about order-only, or nested
|
||||
functions: NPTR went though get_next_word. */
|
||||
while (cp < end && ! END_OF_TOKEN (*cp))
|
||||
++cp;
|
||||
cp = lindex (cp, end, '%');
|
||||
if (cp == 0)
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
memcpy (o, "$*", 2);
|
||||
o += 2;
|
||||
}
|
||||
memcpy (o, p + 1, len - i - 1);
|
||||
o[len - i - 1] = '\0';
|
||||
len = end - nptr;
|
||||
memcpy (o, nptr, len);
|
||||
o[len] = '\0';
|
||||
}
|
||||
|
||||
/* Set up for the next word. */
|
||||
nptr += len;
|
||||
nptr = end;
|
||||
|
||||
/* Initialize and set file variables if we haven't already
|
||||
done so. */
|
||||
if (!file_vars_initialized)
|
||||
{
|
||||
initialize_file_variables (file, 0);
|
||||
set_file_variables (file);
|
||||
set_file_variables (file, stem_str);
|
||||
file_vars_initialized = 1;
|
||||
}
|
||||
/* Update the stem value in $* for this rule. */
|
||||
else if (!file_variables_set)
|
||||
{
|
||||
define_variable_for_file (
|
||||
"*", 1, file->stem, o_automatic, 0, file);
|
||||
"*", 1, stem_str, o_automatic, 0, file);
|
||||
file_variables_set = 1;
|
||||
}
|
||||
|
||||
|
@ -654,7 +715,8 @@ pattern_search (struct file *file, int archive,
|
|||
/* Parse the expanded string. */
|
||||
struct dep *dp = PARSE_FILE_SEQ (&p, struct dep,
|
||||
order_only ? MAP_NUL : MAP_PIPE,
|
||||
add_dir ? pathdir : NULL, PARSEFS_NONE);
|
||||
add_dir ? pathdir : NULL,
|
||||
PARSEFS_WAIT);
|
||||
*dptr = dp;
|
||||
|
||||
for (d = dp; d != NULL; d = d->next)
|
||||
|
@ -662,6 +724,7 @@ pattern_search (struct file *file, int archive,
|
|||
++deps_found;
|
||||
if (order_only)
|
||||
d->ignore_mtime = 1;
|
||||
d->is_explicit = is_explicit;
|
||||
dptr = &d->next;
|
||||
}
|
||||
|
||||
|
@ -692,8 +755,10 @@ pattern_search (struct file *file, int archive,
|
|||
/* Go through the nameseq and handle each as a prereq name. */
|
||||
for (d = dl; d != 0; d = d->next)
|
||||
{
|
||||
struct dep *expl_d;
|
||||
struct file *df;
|
||||
int is_rule = d->name == dep_name (dep);
|
||||
int explicit = 0;
|
||||
struct dep *dp = 0;
|
||||
|
||||
if (file_impossible_p (d->name))
|
||||
{
|
||||
|
@ -702,9 +767,11 @@ pattern_search (struct file *file, int archive,
|
|||
second pass either since we know that will fail. */
|
||||
DBS (DB_IMPLICIT,
|
||||
(is_rule
|
||||
? _("Rejecting impossible rule prerequisite '%s'.\n")
|
||||
: _("Rejecting impossible implicit prerequisite '%s'.\n"),
|
||||
d->name));
|
||||
? _("Rejecting rule '%s' due to impossible rule"
|
||||
" prerequisite '%s'.\n")
|
||||
: _("Rejecting rule '%s' due to impossible implicit"
|
||||
" prerequisite '%s'.\n"),
|
||||
get_rule_defn (rule), d->name));
|
||||
tryrules[ri].rule = 0;
|
||||
|
||||
failed = 1;
|
||||
|
@ -714,41 +781,86 @@ pattern_search (struct file *file, int archive,
|
|||
memset (pat, '\0', sizeof (struct patdeps));
|
||||
pat->ignore_mtime = d->ignore_mtime;
|
||||
pat->ignore_automatic_vars = d->ignore_automatic_vars;
|
||||
pat->wait_here = d->wait_here;
|
||||
pat->is_explicit = d->is_explicit;
|
||||
|
||||
DBS (DB_IMPLICIT,
|
||||
(is_rule
|
||||
? _("Trying rule prerequisite '%s'.\n")
|
||||
: _("Trying implicit prerequisite '%s'.\n"), d->name));
|
||||
|
||||
/* If this prereq is also explicitly mentioned for FILE,
|
||||
skip all tests below since it must be built no matter
|
||||
which implicit rule we choose. */
|
||||
df = lookup_file (d->name);
|
||||
|
||||
for (expl_d = file->deps; expl_d != 0; expl_d = expl_d->next)
|
||||
if (streq (dep_name (expl_d), d->name))
|
||||
break;
|
||||
if (expl_d != 0)
|
||||
if (df && df->is_explicit)
|
||||
pat->is_explicit = 1;
|
||||
|
||||
/* If we found a file for the dep, set its intermediate flag.
|
||||
df->is_explicit is set when the dep file is mentioned
|
||||
explicitly on some other rule. d->is_explicit is set when
|
||||
the dep file is mentioned explicitly on this rule. E.g.:
|
||||
%.x : %.y ; ...
|
||||
then:
|
||||
one.x:
|
||||
one.y: # df->is_explicit
|
||||
vs.
|
||||
one.x: one.y # d->is_explicit
|
||||
*/
|
||||
if (df && !df->is_explicit && !d->is_explicit)
|
||||
df->intermediate = 1;
|
||||
|
||||
/* If the pattern prereq is also explicitly mentioned for
|
||||
FILE, skip all tests below since it must be built no
|
||||
matter which implicit rule we choose. */
|
||||
if (df && df->is_target)
|
||||
/* This prerequisite is mentioned explicitly as a target of
|
||||
some rule. */
|
||||
explicit = 1;
|
||||
else
|
||||
for (dp = file->deps; dp != 0; dp = dp->next)
|
||||
if (streq (d->name, dep_name (dp)))
|
||||
break;
|
||||
|
||||
/* If dp is set, this prerequisite is mentioned explicitly as
|
||||
a prerequisite of the current target. */
|
||||
|
||||
if (explicit || dp)
|
||||
{
|
||||
(pat++)->name = d->name;
|
||||
DBS (DB_IMPLICIT, (_("'%s' ought to exist.\n"), d->name));
|
||||
continue;
|
||||
}
|
||||
|
||||
/* The DEP->changed flag says that this dependency resides
|
||||
in a nonexistent directory. So we normally can skip
|
||||
looking for the file. However, if CHECK_LASTSLASH is
|
||||
set, then the dependency file we are actually looking for
|
||||
is in a different directory (the one gotten by prepending
|
||||
FILENAME's directory), so it might actually exist. */
|
||||
|
||||
/* @@ dep->changed check is disabled. */
|
||||
if (lookup_file (d->name) != 0
|
||||
/*|| ((!dep->changed || check_lastslash) && */
|
||||
|| file_exists_p (d->name))
|
||||
if (file_exists_p (d->name))
|
||||
{
|
||||
(pat++)->name = d->name;
|
||||
DBS (DB_IMPLICIT, (_("Found '%s'.\n"), d->name));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (df && allow_compat_rules)
|
||||
{
|
||||
(pat++)->name = d->name;
|
||||
DBS (DB_IMPLICIT,
|
||||
(_("Using compatibility rule '%s' due to '%s'.\n"),
|
||||
get_rule_defn (rule), d->name));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (df)
|
||||
{
|
||||
/* This prerequisite is mentioned explicitly as a
|
||||
prerequisite on some rule, but it is not a
|
||||
prerequisite of the current target. Therefore, this
|
||||
prerequisite does not qualify as ought-to-exist. Keep
|
||||
note of this rule and continue the search. If a more
|
||||
suitable rule is not found, then use this rule. */
|
||||
DBS (DB_IMPLICIT,
|
||||
(_("Prerequisite '%s' of rule '%s' does not qualify"
|
||||
" as ought to exist.\n"),
|
||||
d->name, get_rule_defn (rule)));
|
||||
found_compat_rule = 1;
|
||||
}
|
||||
|
||||
/* This code, given FILENAME = "lib/foo.o", dependency name
|
||||
"lib/foo.c", and VPATH=src, searches for
|
||||
"src/lib/foo.c". */
|
||||
|
@ -757,7 +869,7 @@ pattern_search (struct file *file, int archive,
|
|||
if (vname)
|
||||
{
|
||||
DBS (DB_IMPLICIT,
|
||||
(_("Found prerequisite '%s' as VPATH '%s'\n"),
|
||||
(_("Found prerequisite '%s' as VPATH '%s'.\n"),
|
||||
d->name, vname));
|
||||
(pat++)->name = d->name;
|
||||
continue;
|
||||
|
@ -765,13 +877,15 @@ pattern_search (struct file *file, int archive,
|
|||
}
|
||||
|
||||
/* We could not find the file in any place we should look.
|
||||
Try to make this dependency as an intermediate file, but
|
||||
Look for an implicit rule to make this dependency, but
|
||||
only on the second pass. */
|
||||
|
||||
if (intermed_ok)
|
||||
{
|
||||
DBS (DB_IMPLICIT,
|
||||
(_("Looking for a rule with intermediate file '%s'.\n"),
|
||||
(d->is_explicit || (df && df->is_explicit)
|
||||
? _("Looking for a rule with explicit file '%s'.\n")
|
||||
: _("Looking for a rule with intermediate file '%s'.\n"),
|
||||
d->name));
|
||||
|
||||
if (int_file == 0)
|
||||
|
@ -781,8 +895,9 @@ pattern_search (struct file *file, int archive,
|
|||
|
||||
if (pattern_search (int_file,
|
||||
0,
|
||||
depth + 1,
|
||||
recursions + 1))
|
||||
depth,
|
||||
recursions + 1,
|
||||
allow_compat_rules))
|
||||
{
|
||||
pat->pattern = int_file->name;
|
||||
int_file->name = d->name;
|
||||
|
@ -799,11 +914,24 @@ pattern_search (struct file *file, int archive,
|
|||
free_variable_set (int_file->variables);
|
||||
if (int_file->pat_variables)
|
||||
free_variable_set (int_file->pat_variables);
|
||||
file_impossible (d->name);
|
||||
|
||||
/* Keep prerequisites explicitly mentioned on unrelated
|
||||
rules as "possible" to let compatibility search find
|
||||
such prerequisites. */
|
||||
if (df == 0)
|
||||
file_impossible (d->name);
|
||||
}
|
||||
|
||||
/* A dependency of this rule does not exist. Therefore, this
|
||||
rule fails. */
|
||||
if (intermed_ok)
|
||||
DBS (DB_IMPLICIT,
|
||||
(_("Rejecting rule '%s' "
|
||||
"due to impossible prerequisite '%s'.\n"),
|
||||
get_rule_defn (rule), d->name));
|
||||
else
|
||||
DBS (DB_IMPLICIT, (_("Not found '%s'.\n"), d->name));
|
||||
|
||||
failed = 1;
|
||||
break;
|
||||
}
|
||||
|
@ -815,10 +943,6 @@ pattern_search (struct file *file, int archive,
|
|||
break;
|
||||
}
|
||||
|
||||
/* Reset the stem in FILE. */
|
||||
|
||||
file->stem = 0;
|
||||
|
||||
/* This rule is no longer 'in use' for recursive searches. */
|
||||
rule->in_use = 0;
|
||||
|
||||
|
@ -870,24 +994,24 @@ pattern_search (struct file *file, int archive,
|
|||
struct file *imf = pat->file;
|
||||
struct file *f = lookup_file (imf->name);
|
||||
|
||||
/* We don't want to delete an intermediate file that happened
|
||||
to be a prerequisite of some (other) target. Mark it as
|
||||
secondary. We don't want it to be precious as that disables
|
||||
DELETE_ON_ERROR etc. */
|
||||
if (f != 0)
|
||||
f->secondary = 1;
|
||||
else
|
||||
if (!f)
|
||||
f = enter_file (imf->name);
|
||||
|
||||
f->deps = imf->deps;
|
||||
f->cmds = imf->cmds;
|
||||
f->stem = imf->stem;
|
||||
f->variables = imf->variables;
|
||||
/* Setting target specific variables for a file causes the file to be
|
||||
entered to the database as a prerequisite. Implicit search then
|
||||
treats this file as explicitly mentioned. Preserve target specific
|
||||
variables of this file. */
|
||||
merge_variable_set_lists(&f->variables, imf->variables);
|
||||
f->pat_variables = imf->pat_variables;
|
||||
f->pat_searched = imf->pat_searched;
|
||||
f->also_make = imf->also_make;
|
||||
f->is_target = 1;
|
||||
f->intermediate = 1;
|
||||
f->is_explicit |= imf->is_explicit || pat->is_explicit;
|
||||
f->notintermediate |= imf->notintermediate || no_intermediates;
|
||||
f->intermediate |= !f->is_explicit && !f->notintermediate;
|
||||
f->tried_implicit = 1;
|
||||
|
||||
imf = lookup_file (pat->pattern);
|
||||
|
@ -904,7 +1028,9 @@ pattern_search (struct file *file, int archive,
|
|||
|
||||
dep = alloc_dep ();
|
||||
dep->ignore_mtime = pat->ignore_mtime;
|
||||
dep->is_explicit = pat->is_explicit;
|
||||
dep->ignore_automatic_vars = pat->ignore_automatic_vars;
|
||||
dep->wait_here = pat->wait_here;
|
||||
s = strcache_add (pat->name);
|
||||
if (recursions)
|
||||
dep->name = s;
|
||||
|
@ -930,8 +1056,14 @@ pattern_search (struct file *file, int archive,
|
|||
|
||||
dep->next = file->deps;
|
||||
file->deps = dep;
|
||||
|
||||
/* The file changed its dependencies; schedule the shuffle. */
|
||||
file->was_shuffled = 0;
|
||||
}
|
||||
|
||||
if (!file->was_shuffled)
|
||||
shuffle_deps_recursive (file->deps);
|
||||
|
||||
if (!tryrules[foundrule].checked_lastslash)
|
||||
{
|
||||
/* Always allocate new storage, since STEM might be on the stack for an
|
||||
|
@ -953,11 +1085,16 @@ pattern_search (struct file *file, int archive,
|
|||
file->cmds = rule->cmds;
|
||||
file->is_target = 1;
|
||||
|
||||
/* Set precious flag. */
|
||||
/* Set precious and notintermediate flags. */
|
||||
{
|
||||
struct file *f = lookup_file (rule->targets[tryrules[foundrule].matches]);
|
||||
if (f && f->precious)
|
||||
file->precious = 1;
|
||||
if (f)
|
||||
{
|
||||
if (f->precious)
|
||||
file->precious = 1;
|
||||
if (f->notintermediate || no_intermediates)
|
||||
file->notintermediate = 1;
|
||||
}
|
||||
}
|
||||
|
||||
/* If this rule builds other targets, too, put the others into FILE's
|
||||
|
@ -973,11 +1110,9 @@ pattern_search (struct file *file, int archive,
|
|||
struct dep *new = alloc_dep ();
|
||||
|
||||
/* GKM FIMXE: handle '|' here too */
|
||||
memcpy (p, rule->targets[ri],
|
||||
rule->suffixes[ri] - rule->targets[ri] - 1);
|
||||
p += rule->suffixes[ri] - rule->targets[ri] - 1;
|
||||
memcpy (p, file->stem, fullstemlen);
|
||||
p += fullstemlen;
|
||||
p = mempcpy (p, rule->targets[ri],
|
||||
rule->suffixes[ri] - rule->targets[ri] - 1);
|
||||
p = mempcpy (p, file->stem, fullstemlen);
|
||||
memcpy (p, rule->suffixes[ri],
|
||||
rule->lens[ri] - (rule->suffixes[ri] - rule->targets[ri])+1);
|
||||
new->name = strcache_add (nm);
|
||||
|
@ -986,8 +1121,13 @@ pattern_search (struct file *file, int archive,
|
|||
|
||||
/* Set precious flag. */
|
||||
f = lookup_file (rule->targets[ri]);
|
||||
if (f && f->precious)
|
||||
new->file->precious = 1;
|
||||
if (f)
|
||||
{
|
||||
if (f->precious)
|
||||
new->file->precious = 1;
|
||||
if (f->notintermediate || no_intermediates)
|
||||
new->file->notintermediate = 1;
|
||||
}
|
||||
|
||||
/* Set the is_target flag so that this file is not treated as
|
||||
intermediate by the pattern rule search algorithm and
|
||||
|
@ -1001,5 +1141,23 @@ pattern_search (struct file *file, int archive,
|
|||
free (tryrules);
|
||||
free (deplist);
|
||||
|
||||
return rule != 0;
|
||||
--depth;
|
||||
|
||||
if (rule)
|
||||
{
|
||||
DBS (DB_IMPLICIT, (_("Found implicit rule '%s' for '%s'.\n"),
|
||||
get_rule_defn (rule), filename));
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (found_compat_rule)
|
||||
{
|
||||
DBS (DB_IMPLICIT, (_("Searching for a compatibility rule for '%s'.\n"),
|
||||
filename));
|
||||
assert (allow_compat_rules == 0);
|
||||
return pattern_search (file, archive, depth, recursions, 1);
|
||||
}
|
||||
|
||||
DBS (DB_IMPLICIT, (_("No implicit rule found for '%s'.\n"), filename));
|
||||
return 0;
|
||||
}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue