1 /* Reading and parsing of makefiles for GNU Make.
2 Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
3 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
4 2010 Free Software Foundation, Inc.
5 This file is part of GNU Make.
7 GNU Make is free software; you can redistribute it and/or modify it under the
8 terms of the GNU General Public License as published by the Free Software
9 Foundation; either version 3 of the License, or (at your option) any later
12 GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
14 A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License along with
17 this program. If not, see <http://www.gnu.org/licenses/>. */
40 struct passwd
*getpwnam (char *name
);
43 #endif /* !WINDOWS32 */
45 /* A 'struct ebuffer' controls the origin of the makefile we are currently
51 char *buffer
; /* Start of the current line in the buffer. */
52 char *bufnext
; /* Start of the next line in the buffer. */
53 char *bufstart
; /* Start of the entire buffer. */
54 unsigned int size
; /* Malloc'd size of buffer. */
55 FILE *fp
; /* File, or NULL if this is an internal buffer. */
56 struct floc floc
; /* Info on the file in fp (if any). */
59 /* Track the modifiers we can have on variable assignments */
63 unsigned int assign_v
:1;
64 unsigned int define_v
:1;
65 unsigned int undefine_v
:1;
66 unsigned int export_v
:1;
67 unsigned int override_v
:1;
68 unsigned int private_v
:1;
71 /* Types of "words" that can be read in a makefile. */
74 w_bogus
, w_eol
, w_static
, w_variable
, w_colon
, w_dcolon
, w_semicolon
,
79 /* A `struct conditionals' contains the information describing
80 all the active conditionals in a makefile.
82 The global variable `conditionals' contains the conditionals
83 information for the current makefile. It is initialized from
84 the static structure `toplevel_conditionals' and is later changed
85 to new structures for included makefiles. */
89 unsigned int if_cmds
; /* Depth of conditional nesting. */
90 unsigned int allocated
; /* Elts allocated in following arrays. */
91 char *ignoring
; /* Are we ignoring or interpreting?
92 0=interpreting, 1=not yet interpreted,
93 2=already interpreted */
94 char *seen_else
; /* Have we already seen an `else'? */
97 static struct conditionals toplevel_conditionals
;
98 static struct conditionals
*conditionals
= &toplevel_conditionals
;
101 /* Default directories to search for include files in */
103 static const char *default_include_directories
[] =
105 #if defined(WINDOWS32) && !defined(INCLUDEDIR)
106 /* This completely up to the user when they install MSVC or other packages.
107 This is defined as a placeholder. */
108 # define INCLUDEDIR "."
113 "/usr/local/include",
119 /* List of directories to search for include files in */
121 static const char **include_directories
;
123 /* Maximum length of an element of the above. */
125 static unsigned int max_incl_len
;
127 /* The filename and pointer to line number of the
128 makefile currently being read in. */
130 const struct floc
*reading_file
= 0;
132 /* The chain of makefiles read by read_makefile. */
134 static struct dep
*read_makefiles
= 0;
136 static int eval_makefile (const char *filename
, int flags
);
137 static void eval (struct ebuffer
*buffer
, int flags
);
139 static long readline (struct ebuffer
*ebuf
);
140 static void do_undefine (char *name
, enum variable_origin origin
,
141 struct ebuffer
*ebuf
);
142 static struct variable
*do_define (char *name
, enum variable_origin origin
,
143 struct ebuffer
*ebuf
);
144 static int conditional_line (char *line
, int len
, const struct floc
*flocp
);
145 static void record_files (struct nameseq
*filenames
, const char *pattern
,
146 const char *pattern_percent
, char *depstr
,
147 unsigned int cmds_started
, char *commands
,
148 unsigned int commands_idx
, int two_colon
,
149 const struct floc
*flocp
);
150 static void record_target_var (struct nameseq
*filenames
, char *defn
,
151 enum variable_origin origin
,
152 struct vmodifiers
*vmod
,
153 const struct floc
*flocp
);
154 static enum make_word_type
get_next_mword (char *buffer
, char *delim
,
155 char **startp
, unsigned int *length
);
156 static void remove_comments (char *line
);
157 static char *find_char_unquote (char *string
, int stop1
, int stop2
,
158 int blank
, int ignorevars
);
161 /* Compare a word, both length and contents.
162 P must point to the word to be tested, and WLEN must be the length.
164 #define word1eq(s) (wlen == sizeof(s)-1 && strneq (s, p, sizeof(s)-1))
167 /* Read in all the makefiles and return the chain of their names. */
170 read_all_makefiles (const char **makefiles
)
172 unsigned int num_makefiles
= 0;
174 /* Create *_LIST variables, to hold the makefiles, targets, and variables
175 we will be reading. */
177 define_variable_cname ("MAKEFILE_LIST", "", o_file
, 0);
179 DB (DB_BASIC
, (_("Reading makefiles...\n")));
181 /* If there's a non-null variable MAKEFILES, its value is a list of
182 files to read first thing. But don't let it prevent reading the
183 default makefiles and don't let the default goal come from there. */
191 /* Turn off --warn-undefined-variables while we expand MAKEFILES. */
192 int save
= warn_undefined_variables_flag
;
193 warn_undefined_variables_flag
= 0;
195 value
= allocated_variable_expand ("$(MAKEFILES)");
197 warn_undefined_variables_flag
= save
;
200 /* Set NAME to the start of next token and LENGTH to its length.
201 MAKEFILES is updated for finding remaining tokens. */
204 while ((name
= find_next_token ((const char **)&p
, &length
)) != 0)
208 eval_makefile (name
, RM_NO_DEFAULT_GOAL
|RM_INCLUDED
|RM_DONTCARE
);
214 /* Read makefiles specified with -f switches. */
217 while (*makefiles
!= 0)
219 struct dep
*tail
= read_makefiles
;
220 register struct dep
*d
;
222 if (! eval_makefile (*makefiles
, 0))
223 perror_with_name ("", *makefiles
);
225 /* Find the right element of read_makefiles. */
227 while (d
->next
!= tail
)
230 /* Use the storage read_makefile allocates. */
231 *makefiles
= dep_name (d
);
236 /* If there were no -f switches, try the default names. */
238 if (num_makefiles
== 0)
240 static char *default_makefiles
[] =
242 /* all lower case since readdir() (the vms version) 'lowercasifies' */
243 { "makefile.vms", "gnumakefile.", "makefile.", 0 };
246 { "GNUmakefile", "Makefile", "SMakefile", 0 };
247 #else /* !Amiga && !VMS */
248 { "GNUmakefile", "makefile", "Makefile", 0 };
251 register char **p
= default_makefiles
;
252 while (*p
!= 0 && !file_exists_p (*p
))
257 if (! eval_makefile (*p
, 0))
258 perror_with_name ("", *p
);
262 /* No default makefile was found. Add the default makefiles to the
263 `read_makefiles' chain so they will be updated if possible. */
264 struct dep
*tail
= read_makefiles
;
265 /* Add them to the tail, after any MAKEFILES variable makefiles. */
266 while (tail
!= 0 && tail
->next
!= 0)
268 for (p
= default_makefiles
; *p
!= 0; ++p
)
270 struct dep
*d
= alloc_dep ();
271 d
->file
= enter_file (strcache_add (*p
));
273 /* Tell update_goal_chain to bail out as soon as this file is
274 made, and main not to die if we can't make this file. */
275 d
->changed
= RM_DONTCARE
;
287 return read_makefiles
;
290 /* Install a new conditional and return the previous one. */
292 static struct conditionals
*
293 install_conditionals (struct conditionals
*new)
295 struct conditionals
*save
= conditionals
;
297 memset (new, '\0', sizeof (*new));
303 /* Free the current conditionals and reinstate a saved one. */
306 restore_conditionals (struct conditionals
*saved
)
308 /* Free any space allocated by conditional_line. */
309 if (conditionals
->ignoring
)
310 free (conditionals
->ignoring
);
311 if (conditionals
->seen_else
)
312 free (conditionals
->seen_else
);
315 conditionals
= saved
;
319 eval_makefile (const char *filename
, int flags
)
323 const struct floc
*curfile
;
327 filename
= strcache_add (filename
);
328 ebuf
.floc
.filenm
= filename
;
329 ebuf
.floc
.lineno
= 1;
331 if (ISDB (DB_VERBOSE
))
333 printf (_("Reading makefile `%s'"), filename
);
334 if (flags
& RM_NO_DEFAULT_GOAL
)
335 printf (_(" (no default goal)"));
336 if (flags
& RM_INCLUDED
)
337 printf (_(" (search path)"));
338 if (flags
& RM_DONTCARE
)
339 printf (_(" (don't care)"));
340 if (flags
& RM_NO_TILDE
)
341 printf (_(" (no ~ expansion)"));
345 /* First, get a stream to read. */
347 /* Expand ~ in FILENAME unless it came from `include',
348 in which case it was already done. */
349 if (!(flags
& RM_NO_TILDE
) && filename
[0] == '~')
351 expanded
= tilde_expand (filename
);
356 ebuf
.fp
= fopen (filename
, "r");
357 /* Save the error code so we print the right message later. */
358 makefile_errno
= errno
;
360 /* If the makefile wasn't found and it's either a makefile from
361 the `MAKEFILES' variable or an included makefile,
362 search the included makefile search path for this makefile. */
363 if (ebuf
.fp
== 0 && (flags
& RM_INCLUDED
) && *filename
!= '/')
366 for (i
= 0; include_directories
[i
] != 0; ++i
)
368 const char *included
= concat (3, include_directories
[i
],
370 ebuf
.fp
= fopen (included
, "r");
373 filename
= strcache_add (included
);
379 /* Add FILENAME to the chain of read makefiles. */
381 deps
->next
= read_makefiles
;
382 read_makefiles
= deps
;
383 deps
->file
= lookup_file (filename
);
385 deps
->file
= enter_file (filename
);
386 filename
= deps
->file
->name
;
387 deps
->changed
= flags
;
388 if (flags
& RM_DONTCARE
)
394 /* If the makefile can't be found at all, give up entirely. */
398 /* If we did some searching, errno has the error from the last
399 attempt, rather from FILENAME itself. Restore it in case the
400 caller wants to use it in a message. */
401 errno
= makefile_errno
;
405 /* Set close-on-exec to avoid leaking the makefile to children, such as
408 CLOSE_ON_EXEC (fileno (ebuf
.fp
));
411 /* Add this makefile to the list. */
412 do_variable_definition (&ebuf
.floc
, "MAKEFILE_LIST", filename
, o_file
,
415 /* Evaluate the makefile */
418 ebuf
.buffer
= ebuf
.bufnext
= ebuf
.bufstart
= xmalloc (ebuf
.size
);
420 curfile
= reading_file
;
421 reading_file
= &ebuf
.floc
;
423 eval (&ebuf
, !(flags
& RM_NO_DEFAULT_GOAL
));
425 reading_file
= curfile
;
429 free (ebuf
.bufstart
);
436 eval_buffer (char *buffer
)
439 struct conditionals
*saved
;
440 struct conditionals
new;
441 const struct floc
*curfile
;
443 /* Evaluate the buffer */
445 ebuf
.size
= strlen (buffer
);
446 ebuf
.buffer
= ebuf
.bufnext
= ebuf
.bufstart
= buffer
;
450 ebuf
.floc
= *reading_file
;
452 ebuf
.floc
.filenm
= NULL
;
454 curfile
= reading_file
;
455 reading_file
= &ebuf
.floc
;
457 saved
= install_conditionals (&new);
461 restore_conditionals (saved
);
463 reading_file
= curfile
;
468 /* Check LINE to see if it's a variable assignment or undefine.
470 It might use one of the modifiers "export", "override", "private", or it
471 might be one of the conditional tokens like "ifdef", "include", etc.
473 If it's not a variable assignment or undefine, VMOD.V_ASSIGN is 0.
476 Returns a pointer to the first non-modifier character, and sets VMOD
477 based on the modifiers found if any, plus V_ASSIGN is 1.
480 parse_var_assignment (const char *line
, struct vmodifiers
*vmod
)
483 memset (vmod
, '\0', sizeof (*vmod
));
485 /* Find the start of the next token. If there isn't one we're done. */
486 line
= next_token (line
);
495 enum variable_flavor flavor
;
497 p2
= parse_variable_definition (p
, &flavor
);
499 /* If this is a variable assignment, we're done. */
503 /* It's not a variable; see if it's a modifier. */
504 p2
= end_of_token (p
);
507 if (word1eq ("export"))
509 else if (word1eq ("override"))
510 vmod
->override_v
= 1;
511 else if (word1eq ("private"))
513 else if (word1eq ("define"))
515 /* We can't have modifiers after 'define' */
520 else if (word1eq ("undefine"))
522 /* We can't have modifiers after 'undefine' */
523 vmod
->undefine_v
= 1;
528 /* Not a variable or modifier: this is not a variable assignment. */
531 /* It was a modifier. Try the next word. */
537 /* Found a variable assignment or undefine. */
543 /* Read file FILENAME as a makefile and add its contents to the data base.
545 SET_DEFAULT is true if we are allowed to set the default goal. */
548 eval (struct ebuffer
*ebuf
, int set_default
)
551 unsigned int collapsed_length
= 0;
552 unsigned int commands_len
= 200;
554 unsigned int commands_idx
= 0;
555 unsigned int cmds_started
, tgts_started
;
556 int ignoring
= 0, in_ignored_define
= 0;
557 int no_targets
= 0; /* Set when reading a rule without targets. */
558 struct nameseq
*filenames
= 0;
562 const char *pattern
= 0;
563 const char *pattern_percent
;
567 #define record_waiting_files() \
570 if (filenames != 0) \
572 fi.lineno = tgts_started; \
573 record_files (filenames, pattern, pattern_percent, depstr, \
574 cmds_started, commands, commands_idx, two_colon, \
584 cmds_started
= tgts_started
= 1;
586 fstart
= &ebuf
->floc
;
587 fi
.filenm
= ebuf
->floc
.filenm
;
589 /* Loop over lines in the file.
590 The strategy is to accumulate target names in FILENAMES, dependencies
591 in DEPS and commands in COMMANDS. These are used to define a rule
592 when the start of the next rule (or eof) is encountered.
594 When you see a "continue" in the loop below, that means we are moving on
595 to the next line _without_ ending any rule that we happen to be working
596 with at the moment. If you see a "goto rule_complete", then the
597 statement we just parsed also finishes the previous rule. */
599 commands
= xmalloc (200);
603 unsigned int linelen
;
608 struct vmodifiers vmod
;
610 /* At the top of this loop, we are starting a brand new line. */
611 /* Grab the next line to be evaluated */
612 ebuf
->floc
.lineno
+= nlines
;
613 nlines
= readline (ebuf
);
615 /* If there is nothing left to eval, we're done. */
619 /* If this line is empty, skip it. */
624 linelen
= strlen (line
);
626 /* Check for a shell command line first.
627 If it is not one, we can stop treating tab specially. */
628 if (line
[0] == cmd_prefix
)
631 /* Ignore the commands in a rule with no targets. */
634 /* If there is no preceding rule line, don't treat this line
635 as a command, even though it begins with a recipe prefix.
636 SunOS 4 make appears to behave this way. */
641 /* Yep, this is a shell command, and we don't care. */
644 /* Append this command line to the line being accumulated.
645 Strip command prefix chars that appear after newlines. */
646 if (commands_idx
== 0)
647 cmds_started
= ebuf
->floc
.lineno
;
649 if (linelen
+ commands_idx
> commands_len
)
651 commands_len
= (linelen
+ commands_idx
) * 2;
652 commands
= xrealloc (commands
, commands_len
);
654 p
= &commands
[commands_idx
];
660 if (p2
[0] == '\n' && p2
[1] == cmd_prefix
)
674 /* This line is not a shell command line. Don't worry about whitespace.
675 Get more space if we need it; we don't need to preserve the current
676 contents of the buffer. */
678 if (collapsed_length
< linelen
+1)
680 collapsed_length
= linelen
+1;
683 /* Don't need xrealloc: we don't need to preserve the content. */
684 collapsed
= xmalloc (collapsed_length
);
686 strcpy (collapsed
, line
);
687 /* Collapse continuation lines. */
688 collapse_continuations (collapsed
);
689 remove_comments (collapsed
);
691 /* Get rid if starting space (including formfeed, vtab, etc.) */
693 while (isspace ((unsigned char)*p
))
696 /* See if this is a variable assignment. We need to do this early, to
697 allow variables with names like 'ifdef', 'export', 'private', etc. */
698 p
= parse_var_assignment(p
, &vmod
);
702 enum variable_origin origin
= vmod
.override_v
? o_override
: o_file
;
704 /* If we're ignoring then we're done now. */
708 in_ignored_define
= 1;
714 do_undefine (p
, origin
, ebuf
);
716 /* This line has been dealt with. */
719 else if (vmod
.define_v
)
720 v
= do_define (p
, origin
, ebuf
);
722 v
= try_variable_definition (fstart
, p
, origin
, 0);
727 v
->export
= v_export
;
731 /* This line has been dealt with. */
735 /* If this line is completely empty, ignore it. */
739 p2
= end_of_token (p
);
741 p2
= next_token (p2
);
743 /* If we're in an ignored define, skip this line (but maybe get out). */
744 if (in_ignored_define
)
746 /* See if this is an endef line (plus optional comment). */
747 if (word1eq ("endef") && (*p2
== '\0' || *p2
== '#'))
748 in_ignored_define
= 0;
753 /* Check for conditional state changes. */
755 int i
= conditional_line (p
, wlen
, fstart
);
759 fatal (fstart
, _("invalid syntax in conditional"));
766 /* Nothing to see here... move along. */
770 /* Manage the "export" keyword used outside of variable assignment
771 as well as "unexport". */
772 if (word1eq ("export") || word1eq ("unexport"))
774 int exporting
= *p
== 'u' ? 0 : 1;
776 /* (un)export by itself causes everything to be (un)exported. */
778 export_all_variables
= exporting
;
785 /* Expand the line so we can use indirect and constructed
786 variable names in an (un)export command. */
787 cp
= ap
= allocated_variable_expand (p2
);
789 for (p
= find_next_token (&cp
, &l
); p
!= 0;
790 p
= find_next_token (&cp
, &l
))
792 struct variable
*v
= lookup_variable (p
, l
);
794 v
= define_variable_loc (p
, l
, "", o_file
, 0, fstart
);
795 v
->export
= exporting
? v_export
: v_noexport
;
803 /* Handle the special syntax for vpath. */
804 if (word1eq ("vpath"))
809 cp
= variable_expand (p2
);
810 p
= find_next_token (&cp
, &l
);
813 vpat
= xstrndup (p
, l
);
814 p
= find_next_token (&cp
, &l
);
815 /* No searchpath means remove all previous
816 selective VPATH's with the same pattern. */
819 /* No pattern means remove all previous selective VPATH's. */
821 construct_vpath_list (vpat
, p
);
828 /* Handle include and variants. */
829 if (word1eq ("include") || word1eq ("-include") || word1eq ("sinclude"))
831 /* We have found an `include' line specifying a nested
832 makefile to be read at this point. */
833 struct conditionals
*save
;
834 struct conditionals new_conditionals
;
835 struct nameseq
*files
;
836 /* "-include" (vs "include") says no error if the file does not
837 exist. "sinclude" is an alias for this from SGI. */
838 int noerror
= (p
[0] != 'i');
840 p
= allocated_variable_expand (p2
);
842 /* If no filenames, it's a no-op. */
849 /* Parse the list of file names. Don't expand archive references! */
851 files
= PARSE_FILE_SEQ (&p2
, struct nameseq
, '\0', NULL
,
855 /* Save the state of conditionals and start
856 the included makefile with a clean slate. */
857 save
= install_conditionals (&new_conditionals
);
859 /* Record the rules that are waiting so they will determine
860 the default goal before those in the included makefile. */
861 record_waiting_files ();
863 /* Read each included makefile. */
866 struct nameseq
*next
= files
->next
;
867 const char *name
= files
->name
;
873 r
= eval_makefile (name
,
874 (RM_INCLUDED
| RM_NO_TILDE
875 | (noerror
? RM_DONTCARE
: 0)
876 | (set_default
? 0 : RM_NO_DEFAULT_GOAL
)));
878 error (fstart
, "%s: %s", name
, strerror (errno
));
881 /* Restore conditional state. */
882 restore_conditionals (save
);
887 /* This line starts with a tab but was not caught above because there
888 was no preceding target, and the line might have been usable as a
889 variable definition. But now we know it is definitely lossage. */
890 if (line
[0] == cmd_prefix
)
891 fatal(fstart
, _("recipe commences before first target"));
893 /* This line describes some target files. This is complicated by
894 the existence of target-specific variables, because we can't
895 expand the entire line until we know if we have one or not. So
896 we expand the line word by word until we find the first `:',
897 then check to see if it's a target-specific variable.
899 In this algorithm, `lb_next' will point to the beginning of the
900 unexpanded parts of the input buffer, while `p2' points to the
901 parts of the expanded buffer we haven't searched yet. */
904 enum make_word_type wtype
;
905 char *cmdleft
, *semip
, *lb_next
;
906 unsigned int plen
= 0;
908 const char *end
, *beg
; /* Helpers for whitespace stripping. */
910 /* Record the previous rule. */
912 record_waiting_files ();
913 tgts_started
= fstart
->lineno
;
915 /* Search the line for an unquoted ; that is not after an
917 cmdleft
= find_char_unquote (line
, ';', '#', 0, 1);
918 if (cmdleft
!= 0 && *cmdleft
== '#')
920 /* We found a comment before a semicolon. */
924 else if (cmdleft
!= 0)
925 /* Found one. Cut the line short there before expanding it. */
929 collapse_continuations (line
);
931 /* We can't expand the entire line, since if it's a per-target
932 variable we don't want to expand it. So, walk from the
933 beginning, expanding as we go, and looking for "interesting"
934 chars. The first word is always expandable. */
935 wtype
= get_next_mword(line
, NULL
, &lb_next
, &wlen
);
940 fatal(fstart
, _("missing rule before recipe"));
941 /* This line contained something but turned out to be nothing
942 but whitespace (a comment?). */
947 /* We accept and ignore rules without targets for
948 compatibility with SunOS 4 make. */
956 p2
= variable_expand_string(NULL
, lb_next
, wlen
);
963 /* Look for a semicolon in the expanded line. */
964 cmdleft
= find_char_unquote (p2
, ';', 0, 0, 0);
968 unsigned long p2_off
= p2
- variable_buffer
;
969 unsigned long cmd_off
= cmdleft
- variable_buffer
;
970 char *pend
= p2
+ strlen(p2
);
972 /* Append any remnants of lb, then cut the line short
976 /* One school of thought says that you shouldn't expand
977 here, but merely copy, since now you're beyond a ";"
978 and into a command script. However, the old parser
979 expanded the whole line, so we continue that for
980 backwards-compatiblity. Also, it wouldn't be
981 entirely consistent, since we do an unconditional
982 expand below once we know we don't have a
983 target-specific variable. */
984 (void)variable_expand_string(pend
, lb_next
, (long)-1);
985 lb_next
+= strlen(lb_next
);
986 p2
= variable_buffer
+ p2_off
;
987 cmdleft
= variable_buffer
+ cmd_off
+ 1;
991 colonp
= find_char_unquote(p2
, ':', 0, 0, 0);
992 #ifdef HAVE_DOS_PATHS
993 /* The drive spec brain-damage strikes again... */
994 /* Note that the only separators of targets in this context
995 are whitespace and a left paren. If others are possible,
996 they should be added to the string in the call to index. */
997 while (colonp
&& (colonp
[1] == '/' || colonp
[1] == '\\') &&
998 colonp
> p2
&& isalpha ((unsigned char)colonp
[-1]) &&
999 (colonp
== p2
+ 1 || strchr (" \t(", colonp
[-2]) != 0))
1000 colonp
= find_char_unquote(colonp
+ 1, ':', 0, 0, 0);
1005 wtype
= get_next_mword(lb_next
, NULL
, &lb_next
, &wlen
);
1011 p2
= variable_expand_string(p2
, lb_next
, wlen
);
1012 /* We don't need to worry about cmdleft here, because if it was
1013 found in the variable_buffer the entire buffer has already
1014 been expanded... we'll never get here. */
1017 p2
= next_token (variable_buffer
);
1019 /* If the word we're looking at is EOL, see if there's _anything_
1020 on the line. If not, a variable expanded to nothing, so ignore
1021 it. If so, we can't parse this line so punt. */
1025 /* There's no need to be ivory-tower about this: check for
1026 one of the most common bugs found in makefiles... */
1027 fatal (fstart
, _("missing separator%s"),
1028 (cmd_prefix
== '\t' && !strneq(line
, " ", 8))
1029 ? "" : _(" (did you mean TAB instead of 8 spaces?)"));
1033 /* Make the colon the end-of-string so we know where to stop
1034 looking for targets. */
1036 filenames
= PARSE_FILE_SEQ (&p2
, struct nameseq
, '\0', NULL
, 0);
1041 /* We accept and ignore rules without targets for
1042 compatibility with SunOS 4 make. */
1046 /* This should never be possible; we handled it above. */
1047 assert (*p2
!= '\0');
1050 /* Is this a one-colon or two-colon entry? */
1051 two_colon
= *p2
== ':';
1055 /* Test to see if it's a target-specific variable. Copy the rest
1056 of the buffer over, possibly temporarily (we'll expand it later
1057 if it's not a target-specific variable). PLEN saves the length
1058 of the unparsed section of p2, for later. */
1059 if (*lb_next
!= '\0')
1061 unsigned int l
= p2
- variable_buffer
;
1063 variable_buffer_output (p2
+plen
, lb_next
, strlen (lb_next
)+1);
1064 p2
= variable_buffer
+ l
;
1067 p2
= parse_var_assignment (p2
, &vmod
);
1070 /* If there was a semicolon found, add it back, plus anything
1074 unsigned int l
= p
- variable_buffer
;
1076 collapse_continuations (semip
);
1077 variable_buffer_output (p2
+ strlen (p2
),
1078 semip
, strlen (semip
)+1);
1079 p
= variable_buffer
+ l
;
1081 record_target_var (filenames
, p2
,
1082 vmod
.override_v
? o_override
: o_file
,
1088 /* This is a normal target, _not_ a target-specific variable.
1089 Unquote any = in the dependency list. */
1090 find_char_unquote (lb_next
, '=', 0, 0, 0);
1092 /* We have some targets, so don't ignore the following commands. */
1095 /* Expand the dependencies, etc. */
1096 if (*lb_next
!= '\0')
1098 unsigned int l
= p2
- variable_buffer
;
1099 (void) variable_expand_string (p2
+ plen
, lb_next
, (long)-1);
1100 p2
= variable_buffer
+ l
;
1102 /* Look for a semicolon in the expanded line. */
1105 cmdleft
= find_char_unquote (p2
, ';', 0, 0, 0);
1107 *(cmdleft
++) = '\0';
1111 /* Is this a static pattern rule: `target: %targ: %dep; ...'? */
1112 p
= strchr (p2
, ':');
1113 while (p
!= 0 && p
[-1] == '\\')
1117 while (*q
-- == '\\')
1118 backslash
= !backslash
;
1120 p
= strchr (p
+ 1, ':');
1125 /* Here, the situation is quite complicated. Let's have a look
1126 at a couple of targets:
1134 The rule is that it's only a target, if there are TWO :'s
1135 OR a space around the :.
1137 if (p
&& !(isspace ((unsigned char)p
[1]) || !p
[1]
1138 || isspace ((unsigned char)p
[-1])))
1141 #ifdef HAVE_DOS_PATHS
1146 /* For DOS-style paths, skip a "C:\..." or a "C:/..." */
1147 if (p
!= 0 && (p
[1] == '\\' || p
[1] == '/') &&
1148 isalpha ((unsigned char)p
[-1]) &&
1149 (p
== p2
+ 1 || strchr (" \t:(", p
[-2]) != 0)) {
1150 p
= strchr (p
+ 1, ':');
1153 } while (check_again
);
1158 struct nameseq
*target
;
1159 target
= PARSE_FILE_SEQ (&p2
, struct nameseq
, ':', NULL
,
1163 fatal (fstart
, _("missing target pattern"));
1164 else if (target
->next
!= 0)
1165 fatal (fstart
, _("multiple target patterns"));
1166 pattern_percent
= find_percent_cached (&target
->name
);
1167 pattern
= target
->name
;
1168 if (pattern_percent
== 0)
1169 fatal (fstart
, _("target pattern contains no `%%'"));
1175 /* Strip leading and trailing whitespaces. */
1177 end
= beg
+ strlen (beg
) - 1;
1178 strip_whitespace (&beg
, &end
);
1180 /* Put all the prerequisites here; they'll be parsed later. */
1181 if (beg
<= end
&& *beg
!= '\0')
1182 depstr
= xstrndup (beg
, end
- beg
+ 1);
1189 /* Semicolon means rest of line is a command. */
1190 unsigned int l
= strlen (cmdleft
);
1192 cmds_started
= fstart
->lineno
;
1194 /* Add this command line to the buffer. */
1195 if (l
+ 2 > commands_len
)
1197 commands_len
= (l
+ 2) * 2;
1198 commands
= xrealloc (commands
, commands_len
);
1200 memcpy (commands
, cmdleft
, l
);
1202 commands
[commands_idx
++] = '\n';
1205 /* Determine if this target should be made default. We used to do
1206 this in record_files() but because of the delayed target recording
1207 and because preprocessor directives are legal in target's commands
1208 it is too late. Consider this fragment for example:
1212 ifeq ($(.DEFAULT_GOAL),foo)
1216 Because the target is not recorded until after ifeq directive is
1217 evaluated the .DEFAULT_GOAL does not contain foo yet as one
1218 would expect. Because of this we have to move the logic here. */
1220 if (set_default
&& default_goal_var
->value
[0] == '\0')
1224 struct nameseq
*t
= filenames
;
1226 for (; t
!= 0; t
= t
->next
)
1231 /* We have nothing to do if this is an implicit rule. */
1232 if (strchr (name
, '%') != 0)
1235 /* See if this target's name does not start with a `.',
1236 unless it contains a slash. */
1237 if (*name
== '.' && strchr (name
, '/') == 0
1238 #ifdef HAVE_DOS_PATHS
1239 && strchr (name
, '\\') == 0
1245 /* If this file is a suffix, don't let it be
1246 the default goal file. */
1247 for (d
= suffix_file
->deps
; d
!= 0; d
= d
->next
)
1249 register struct dep
*d2
;
1250 if (*dep_name (d
) != '.' && streq (name
, dep_name (d
)))
1255 for (d2
= suffix_file
->deps
; d2
!= 0; d2
= d2
->next
)
1257 unsigned int l
= strlen (dep_name (d2
));
1258 if (!strneq (name
, dep_name (d2
), l
))
1260 if (streq (name
+ l
, dep_name (d
)))
1273 define_variable_global (".DEFAULT_GOAL", 13, t
->name
,
1283 /* We get here except in the case that we just read a rule line.
1284 Record now the last rule we read, so following spurious
1285 commands are properly diagnosed. */
1287 record_waiting_files ();
1292 if (conditionals
->if_cmds
)
1293 fatal (fstart
, _("missing `endif'"));
1295 /* At eof, record the last rule. */
1296 record_waiting_files ();
1304 /* Remove comments from LINE.
1305 This is done by copying the text at LINE onto itself. */
1308 remove_comments (char *line
)
1312 comment
= find_char_unquote (line
, '#', 0, 0, 0);
1315 /* Cut off the line at the #. */
1319 /* Execute a `undefine' directive.
1320 The undefine line has already been read, and NAME is the name of
1321 the variable to be undefined. */
1324 do_undefine (char *name
, enum variable_origin origin
, struct ebuffer
*ebuf
)
1328 /* Expand the variable name and find the beginning (NAME) and end. */
1329 var
= allocated_variable_expand (name
);
1330 name
= next_token (var
);
1332 fatal (&ebuf
->floc
, _("empty variable name"));
1333 p
= name
+ strlen (name
) - 1;
1334 while (p
> name
&& isblank ((unsigned char)*p
))
1338 undefine_variable_global (name
, p
- name
+ 1, origin
);
1342 /* Execute a `define' directive.
1343 The first line has already been read, and NAME is the name of
1344 the variable to be defined. The following lines remain to be read. */
1346 static struct variable
*
1347 do_define (char *name
, enum variable_origin origin
, struct ebuffer
*ebuf
)
1350 enum variable_flavor flavor
;
1351 struct floc defstart
;
1353 unsigned int length
= 100;
1354 char *definition
= xmalloc (length
);
1355 unsigned int idx
= 0;
1358 defstart
= ebuf
->floc
;
1360 p
= parse_variable_definition (name
, &flavor
);
1362 /* No assignment token, so assume recursive. */
1363 flavor
= f_recursive
;
1366 if (*(next_token (p
)) != '\0')
1367 error (&defstart
, _("extraneous text after `define' directive"));
1369 /* Chop the string before the assignment token to get the name. */
1370 p
[flavor
== f_recursive
? -1 : -2] = '\0';
1373 /* Expand the variable name and find the beginning (NAME) and end. */
1374 var
= allocated_variable_expand (name
);
1375 name
= next_token (var
);
1377 fatal (&defstart
, _("empty variable name"));
1378 p
= name
+ strlen (name
) - 1;
1379 while (p
> name
&& isblank ((unsigned char)*p
))
1383 /* Now read the value of the variable. */
1388 long nlines
= readline (ebuf
);
1390 /* If there is nothing left to be eval'd, there's no 'endef'!! */
1392 fatal (&defstart
, _("missing `endef', unterminated `define'"));
1394 ebuf
->floc
.lineno
+= nlines
;
1395 line
= ebuf
->buffer
;
1397 collapse_continuations (line
);
1399 /* If the line doesn't begin with a tab, test to see if it introduces
1400 another define, or ends one. Stop if we find an 'endef' */
1401 if (line
[0] != cmd_prefix
)
1403 p
= next_token (line
);
1406 /* If this is another 'define', increment the level count. */
1407 if ((len
== 6 || (len
> 6 && isblank ((unsigned char)p
[6])))
1408 && strneq (p
, "define", 6))
1411 /* If this is an 'endef', decrement the count. If it's now 0,
1412 we've found the last one. */
1413 else if ((len
== 5 || (len
> 5 && isblank ((unsigned char)p
[5])))
1414 && strneq (p
, "endef", 5))
1417 remove_comments (p
);
1418 if (*(next_token (p
)) != '\0')
1420 _("extraneous text after `endef' directive"));
1427 /* Add this line to the variable definition. */
1428 len
= strlen (line
);
1429 if (idx
+ len
+ 1 > length
)
1431 length
= (idx
+ len
) * 2;
1432 definition
= xrealloc (definition
, length
+ 1);
1435 memcpy (&definition
[idx
], line
, len
);
1437 /* Separate lines with a newline. */
1438 definition
[idx
++] = '\n';
1441 /* We've got what we need; define the variable. */
1443 definition
[0] = '\0';
1445 definition
[idx
- 1] = '\0';
1447 v
= do_variable_definition (&defstart
, name
, definition
, origin
, flavor
, 0);
1453 /* Interpret conditional commands "ifdef", "ifndef", "ifeq",
1454 "ifneq", "else" and "endif".
1455 LINE is the input line, with the command as its first word.
1457 FILENAME and LINENO are the filename and line number in the
1458 current makefile. They are used for error messages.
1460 Value is -2 if the line is not a conditional at all,
1461 -1 if the line is an invalid conditional,
1462 0 if following text should be interpreted,
1463 1 if following text should be ignored. */
1466 conditional_line (char *line
, int len
, const struct floc
*flocp
)
1469 enum { c_ifdef
, c_ifndef
, c_ifeq
, c_ifneq
, c_else
, c_endif
} cmdtype
;
1473 /* Compare a word, both length and contents. */
1474 #define word1eq(s) (len == sizeof(s)-1 && strneq (s, line, sizeof(s)-1))
1475 #define chkword(s, t) if (word1eq (s)) { cmdtype = (t); cmdname = (s); }
1477 /* Make sure this line is a conditional. */
1478 chkword ("ifdef", c_ifdef
)
1479 else chkword ("ifndef", c_ifndef
)
1480 else chkword ("ifeq", c_ifeq
)
1481 else chkword ("ifneq", c_ifneq
)
1482 else chkword ("else", c_else
)
1483 else chkword ("endif", c_endif
)
1487 /* Found one: skip past it and any whitespace after it. */
1488 line
= next_token (line
+ len
);
1490 #define EXTRANEOUS() error (flocp, _("Extraneous text after `%s' directive"), cmdname)
1492 /* An 'endif' cannot contain extra text, and reduces the if-depth by 1 */
1493 if (cmdtype
== c_endif
)
1498 if (!conditionals
->if_cmds
)
1499 fatal (flocp
, _("extraneous `%s'"), cmdname
);
1501 --conditionals
->if_cmds
;
1506 /* An 'else' statement can either be simple, or it can have another
1507 conditional after it. */
1508 if (cmdtype
== c_else
)
1512 if (!conditionals
->if_cmds
)
1513 fatal (flocp
, _("extraneous `%s'"), cmdname
);
1515 o
= conditionals
->if_cmds
- 1;
1517 if (conditionals
->seen_else
[o
])
1518 fatal (flocp
, _("only one `else' per conditional"));
1520 /* Change the state of ignorance. */
1521 switch (conditionals
->ignoring
[o
])
1524 /* We've just been interpreting. Never do it again. */
1525 conditionals
->ignoring
[o
] = 2;
1528 /* We've never interpreted yet. Maybe this time! */
1529 conditionals
->ignoring
[o
] = 0;
1533 /* It's a simple 'else'. */
1536 conditionals
->seen_else
[o
] = 1;
1540 /* The 'else' has extra text. That text must be another conditional
1541 and cannot be an 'else' or 'endif'. */
1543 /* Find the length of the next word. */
1544 for (p
= line
+1; *p
!= '\0' && !isspace ((unsigned char)*p
); ++p
)
1548 /* If it's 'else' or 'endif' or an illegal conditional, fail. */
1549 if (word1eq("else") || word1eq("endif")
1550 || conditional_line (line
, len
, flocp
) < 0)
1554 /* conditional_line() created a new level of conditional.
1555 Raise it back to this level. */
1556 if (conditionals
->ignoring
[o
] < 2)
1557 conditionals
->ignoring
[o
] = conditionals
->ignoring
[o
+1];
1558 --conditionals
->if_cmds
;
1564 if (conditionals
->allocated
== 0)
1566 conditionals
->allocated
= 5;
1567 conditionals
->ignoring
= xmalloc (conditionals
->allocated
);
1568 conditionals
->seen_else
= xmalloc (conditionals
->allocated
);
1571 o
= conditionals
->if_cmds
++;
1572 if (conditionals
->if_cmds
> conditionals
->allocated
)
1574 conditionals
->allocated
+= 5;
1575 conditionals
->ignoring
= xrealloc (conditionals
->ignoring
,
1576 conditionals
->allocated
);
1577 conditionals
->seen_else
= xrealloc (conditionals
->seen_else
,
1578 conditionals
->allocated
);
1581 /* Record that we have seen an `if...' but no `else' so far. */
1582 conditionals
->seen_else
[o
] = 0;
1584 /* Search through the stack to see if we're already ignoring. */
1585 for (i
= 0; i
< o
; ++i
)
1586 if (conditionals
->ignoring
[i
])
1588 /* We are already ignoring, so just push a level to match the next
1589 "else" or "endif", and keep ignoring. We don't want to expand
1590 variables in the condition. */
1591 conditionals
->ignoring
[o
] = 1;
1595 if (cmdtype
== c_ifdef
|| cmdtype
== c_ifndef
)
1601 /* Expand the thing we're looking up, so we can use indirect and
1602 constructed variable names. */
1603 var
= allocated_variable_expand (line
);
1605 /* Make sure there's only one variable name to test. */
1606 p
= end_of_token (var
);
1613 v
= lookup_variable (var
, i
);
1615 conditionals
->ignoring
[o
] =
1616 ((v
!= 0 && *v
->value
!= '\0') == (cmdtype
== c_ifndef
));
1622 /* "ifeq" or "ifneq". */
1625 char termin
= *line
== '(' ? ',' : *line
;
1627 if (termin
!= ',' && termin
!= '"' && termin
!= '\'')
1631 /* Find the end of the first string. */
1635 for (; *line
!= '\0'; ++line
)
1638 else if (*line
== ')')
1640 else if (*line
== ',' && count
<= 0)
1644 while (*line
!= '\0' && *line
!= termin
)
1652 /* Strip blanks after the first string. */
1654 while (isblank ((unsigned char)p
[-1]))
1661 s2
= variable_expand (s1
);
1662 /* We must allocate a new copy of the expanded string because
1663 variable_expand re-uses the same buffer. */
1665 s1
= alloca (l
+ 1);
1666 memcpy (s1
, s2
, l
+ 1);
1669 /* Find the start of the second string. */
1670 line
= next_token (line
);
1672 termin
= termin
== ',' ? ')' : *line
;
1673 if (termin
!= ')' && termin
!= '"' && termin
!= '\'')
1676 /* Find the end of the second string. */
1680 s2
= next_token (line
);
1681 for (line
= s2
; *line
!= '\0'; ++line
)
1685 else if (*line
== ')')
1698 while (*line
!= '\0' && *line
!= termin
)
1706 line
= next_token (++line
);
1710 s2
= variable_expand (s2
);
1711 conditionals
->ignoring
[o
] = (streq (s1
, s2
) == (cmdtype
== c_ifneq
));
1715 /* Search through the stack to see if we're ignoring. */
1716 for (i
= 0; i
< conditionals
->if_cmds
; ++i
)
1717 if (conditionals
->ignoring
[i
])
1723 /* Record target-specific variable values for files FILENAMES.
1724 TWO_COLON is nonzero if a double colon was used.
1726 The links of FILENAMES are freed, and so are any names in it
1727 that are not incorporated into other data structures.
1729 If the target is a pattern, add the variable to the pattern-specific
1730 variable value list. */
1733 record_target_var (struct nameseq
*filenames
, char *defn
,
1734 enum variable_origin origin
, struct vmodifiers
*vmod
,
1735 const struct floc
*flocp
)
1737 struct nameseq
*nextf
;
1738 struct variable_set_list
*global
;
1740 global
= current_variable_set_list
;
1742 /* If the variable is an append version, store that but treat it as a
1743 normal recursive variable. */
1745 for (; filenames
!= 0; filenames
= nextf
)
1748 const char *name
= filenames
->name
;
1750 const char *percent
;
1751 struct pattern_var
*p
;
1753 nextf
= filenames
->next
;
1754 free_ns (filenames
);
1756 /* If it's a pattern target, then add it to the pattern-specific
1758 percent
= find_percent_cached (&name
);
1761 /* Get a reference for this pattern-specific variable struct. */
1762 p
= create_pattern_var (name
, percent
);
1763 p
->variable
.fileinfo
= *flocp
;
1764 /* I don't think this can fail since we already determined it was a
1765 variable definition. */
1766 v
= assign_variable_definition (&p
->variable
, defn
);
1770 if (v
->flavor
== f_simple
)
1771 v
->value
= allocated_variable_expand (v
->value
);
1773 v
->value
= xstrdup (v
->value
);
1781 /* Get a file reference for this file, and initialize it.
1782 We don't want to just call enter_file() because that allocates a
1783 new entry if the file is a double-colon, which we don't want in
1785 f
= lookup_file (name
);
1787 f
= enter_file (strcache_add (name
));
1788 else if (f
->double_colon
)
1789 f
= f
->double_colon
;
1791 initialize_file_variables (f
, 1);
1794 current_variable_set_list
= f
->variables
;
1795 v
= try_variable_definition (flocp
, defn
, origin
, 1);
1797 fatal (flocp
, _("Malformed target-specific variable definition"));
1798 current_variable_set_list
= global
;
1801 /* Set up the variable to be *-specific. */
1803 v
->private_var
= vmod
->private_v
;
1804 v
->export
= vmod
->export_v
? v_export
: v_default
;
1806 /* If it's not an override, check to see if there was a command-line
1807 setting. If so, reset the value. */
1808 if (v
->origin
!= o_override
)
1810 struct variable
*gv
;
1811 int len
= strlen(v
->name
);
1813 gv
= lookup_variable (v
->name
, len
);
1814 if (gv
&& (gv
->origin
== o_env_override
|| gv
->origin
== o_command
))
1818 v
->value
= xstrdup (gv
->value
);
1819 v
->origin
= gv
->origin
;
1820 v
->recursive
= gv
->recursive
;
1827 /* Record a description line for files FILENAMES,
1828 with dependencies DEPS, commands to execute described
1829 by COMMANDS and COMMANDS_IDX, coming from FILENAME:COMMANDS_STARTED.
1830 TWO_COLON is nonzero if a double colon was used.
1831 If not nil, PATTERN is the `%' pattern to make this
1832 a static pattern rule, and PATTERN_PERCENT is a pointer
1833 to the `%' within it.
1835 The links of FILENAMES are freed, and so are any names in it
1836 that are not incorporated into other data structures. */
1839 record_files (struct nameseq
*filenames
, const char *pattern
,
1840 const char *pattern_percent
, char *depstr
,
1841 unsigned int cmds_started
, char *commands
,
1842 unsigned int commands_idx
, int two_colon
,
1843 const struct floc
*flocp
)
1845 struct commands
*cmds
;
1847 const char *implicit_percent
;
1850 /* If we've already snapped deps, that means we're in an eval being
1851 resolved after the makefiles have been read in. We can't add more rules
1852 at this time, since they won't get snapped and we'll get core dumps.
1853 See Savannah bug # 12124. */
1855 fatal (flocp
, _("prerequisites cannot be defined in recipes"));
1857 /* Determine if this is a pattern rule or not. */
1858 name
= filenames
->name
;
1859 implicit_percent
= find_percent_cached (&name
);
1861 /* If there's a recipe, set up a struct for it. */
1862 if (commands_idx
> 0)
1864 cmds
= xmalloc (sizeof (struct commands
));
1865 cmds
->fileinfo
.filenm
= flocp
->filenm
;
1866 cmds
->fileinfo
.lineno
= cmds_started
;
1867 cmds
->commands
= xstrndup (commands
, commands_idx
);
1868 cmds
->command_lines
= 0;
1873 /* If there's a prereq string then parse it--unless it's eligible for 2nd
1874 expansion: if so, snap_deps() will do it. */
1877 else if (second_expansion
&& strchr (depstr
, '$'))
1879 deps
= alloc_dep ();
1880 deps
->name
= depstr
;
1881 deps
->need_2nd_expansion
= 1;
1882 deps
->staticpattern
= pattern
!= 0;
1886 deps
= split_prereqs (depstr
);
1889 /* We'll enter static pattern prereqs later when we have the stem. We
1890 don't want to enter pattern rules at all so that we don't think that
1891 they ought to exist (make manual "Implicit Rule Search Algorithm",
1893 if (! pattern
&& ! implicit_percent
)
1894 deps
= enter_prereqs (deps
, NULL
);
1897 /* For implicit rules, _all_ the targets must have a pattern. That means we
1898 can test the first one to see if we're working with an implicit rule; if
1899 so we handle it specially. */
1901 if (implicit_percent
)
1903 struct nameseq
*nextf
;
1904 const char **targets
, **target_pats
;
1908 fatal (flocp
, _("mixed implicit and static pattern rules"));
1910 /* Count the targets to create an array of target names.
1911 We already have the first one. */
1912 nextf
= filenames
->next
;
1913 free_ns (filenames
);
1916 for (c
= 1; nextf
; ++c
, nextf
= nextf
->next
)
1918 targets
= xmalloc (c
* sizeof (const char *));
1919 target_pats
= xmalloc (c
* sizeof (const char *));
1922 target_pats
[0] = implicit_percent
;
1927 name
= filenames
->name
;
1928 implicit_percent
= find_percent_cached (&name
);
1930 if (implicit_percent
== 0)
1931 fatal (flocp
, _("mixed implicit and normal rules"));
1934 target_pats
[c
] = implicit_percent
;
1937 nextf
= filenames
->next
;
1938 free_ns (filenames
);
1942 create_pattern_rule (targets
, target_pats
, c
, two_colon
, deps
, cmds
, 1);
1948 /* Walk through each target and create it in the database.
1949 We already set up the first target, above. */
1952 struct nameseq
*nextf
= filenames
->next
;
1954 struct dep
*this = 0;
1956 free_ns (filenames
);
1958 /* Check for special targets. Do it here instead of, say, snap_deps()
1959 so that we can immediately use the value. */
1960 if (streq (name
, ".POSIX"))
1963 define_variable_cname (".SHELLFLAGS", "-ec", o_default
, 0);
1965 else if (streq (name
, ".SECONDEXPANSION"))
1966 second_expansion
= 1;
1967 #if !defined(WINDOWS32) && !defined (__MSDOS__) && !defined (__EMX__)
1968 else if (streq (name
, ".ONESHELL"))
1972 /* If this is a static pattern rule:
1973 `targets: target%pattern: prereq%pattern; recipe',
1974 make sure the pattern matches this target name. */
1975 if (pattern
&& !pattern_matches (pattern
, pattern_percent
, name
))
1976 error (flocp
, _("target `%s' doesn't match the target pattern"), name
);
1978 /* If there are multiple targets, copy the chain DEPS for all but the
1979 last one. It is not safe for the same deps to go in more than one
1980 place in the database. */
1981 this = nextf
!= 0 ? copy_dep_chain (deps
) : deps
;
1983 /* Find or create an entry in the file database for this target. */
1986 /* Single-colon. Combine this rule with the file's existing record,
1988 f
= enter_file (strcache_add (name
));
1989 if (f
->double_colon
)
1991 _("target file `%s' has both : and :: entries"), f
->name
);
1993 /* If CMDS == F->CMDS, this target was listed in this rule
1994 more than once. Just give a warning since this is harmless. */
1995 if (cmds
!= 0 && cmds
== f
->cmds
)
1997 _("target `%s' given more than once in the same rule."),
2000 /* Check for two single-colon entries both with commands.
2001 Check is_target so that we don't lose on files such as .c.o
2002 whose commands were preinitialized. */
2003 else if (cmds
!= 0 && f
->cmds
!= 0 && f
->is_target
)
2005 error (&cmds
->fileinfo
,
2006 _("warning: overriding recipe for target `%s'"),
2008 error (&f
->cmds
->fileinfo
,
2009 _("warning: ignoring old recipe for target `%s'"),
2013 /* Defining .DEFAULT with no deps or cmds clears it. */
2014 if (f
== default_file
&& this == 0 && cmds
== 0)
2019 /* Defining .SUFFIXES with no dependencies clears out the list of
2021 if (f
== suffix_file
&& this == 0)
2023 free_dep_chain (f
->deps
);
2029 /* Double-colon. Make a new record even if there already is one. */
2030 f
= lookup_file (name
);
2032 /* Check for both : and :: rules. Check is_target so we don't lose
2033 on default suffix rules or makefiles. */
2034 if (f
!= 0 && f
->is_target
&& !f
->double_colon
)
2036 _("target file `%s' has both : and :: entries"), f
->name
);
2038 f
= enter_file (strcache_add (name
));
2039 /* If there was an existing entry and it was a double-colon entry,
2040 enter_file will have returned a new one, making it the prev
2041 pointer of the old one, and setting its double_colon pointer to
2043 if (f
->double_colon
== 0)
2044 /* This is the first entry for this name, so we must set its
2045 double_colon pointer to itself. */
2046 f
->double_colon
= f
;
2053 /* If this is a static pattern rule, set the stem to the part of its
2054 name that matched the `%' in the pattern, so you can use $* in the
2055 commands. If we didn't do it before, enter the prereqs now. */
2058 static const char *percent
= "%";
2059 char *buffer
= variable_expand ("");
2060 char *o
= patsubst_expand_pat (buffer
, name
, pattern
, percent
,
2061 pattern_percent
+1, percent
+1);
2062 f
->stem
= strcache_add_len (buffer
, o
- buffer
);
2065 if (! this->need_2nd_expansion
)
2066 this = enter_prereqs (this, f
->stem
);
2068 this->stem
= f
->stem
;
2072 /* Add the dependencies to this file entry. */
2075 /* Add the file's old deps and the new ones in THIS together. */
2080 struct dep
*d
= this;
2082 /* If this rule has commands, put these deps first. */
2083 while (d
->next
!= 0)
2091 struct dep
*d
= f
->deps
;
2093 /* A rule without commands: put its prereqs at the end. */
2094 while (d
->next
!= 0)
2103 /* All done! Set up for the next one. */
2109 /* Reduce escaped percents. If there are any unescaped it's an error */
2110 name
= filenames
->name
;
2111 if (find_percent_cached (&name
))
2112 fatal (flocp
, _("mixed implicit and normal rules"));
2116 /* Search STRING for an unquoted STOPCHAR or blank (if BLANK is nonzero).
2117 Backslashes quote STOPCHAR, blanks if BLANK is nonzero, and backslash.
2118 Quoting backslashes are removed from STRING by compacting it into
2119 itself. Returns a pointer to the first unquoted STOPCHAR if there is
2120 one, or nil if there are none. STOPCHARs inside variable references are
2121 ignored if IGNOREVARS is true.
2123 STOPCHAR _cannot_ be '$' if IGNOREVARS is true. */
2126 find_char_unquote (char *string
, int stop1
, int stop2
, int blank
,
2129 unsigned int string_len
= 0;
2138 while (*p
!= '\0' && *p
!= ignorevars
&& *p
!= stop1
&& *p
!= stop2
2139 && ! isblank ((unsigned char) *p
))
2142 while (*p
!= '\0' && *p
!= ignorevars
&& *p
!= stop1
&& *p
!= stop2
)
2145 while (*p
!= '\0' && *p
!= ignorevars
&& *p
!= stop1
2146 && ! isblank ((unsigned char) *p
))
2149 while (*p
!= '\0' && *p
!= ignorevars
&& *p
!= stop1
)
2155 /* If we stopped due to a variable reference, skip over its contents. */
2156 if (*p
== ignorevars
)
2158 char openparen
= p
[1];
2162 /* Skip the contents of a non-quoted, multi-char variable ref. */
2163 if (openparen
== '(' || openparen
== '{')
2165 unsigned int pcount
= 1;
2166 char closeparen
= (openparen
== '(' ? ')' : '}');
2170 if (*p
== openparen
)
2172 else if (*p
== closeparen
)
2182 /* Skipped the variable reference: look for STOPCHARS again. */
2186 if (p
> string
&& p
[-1] == '\\')
2188 /* Search for more backslashes. */
2190 while (&p
[i
] >= string
&& p
[i
] == '\\')
2193 /* Only compute the length if really needed. */
2194 if (string_len
== 0)
2195 string_len
= strlen (string
);
2196 /* The number of backslashes is now -I.
2197 Copy P over itself to swallow half of them. */
2198 memmove (&p
[i
], &p
[i
/2], (string_len
- (p
- string
)) - (i
/2) + 1);
2201 /* All the backslashes quoted each other; the STOPCHAR was
2205 /* The STOPCHAR was quoted by a backslash. Look for another. */
2208 /* No backslash in sight. */
2212 /* Never hit a STOPCHAR or blank (with BLANK nonzero). */
2216 /* Search PATTERN for an unquoted % and handle quoting. */
2219 find_percent (char *pattern
)
2221 return find_char_unquote (pattern
, '%', 0, 0, 0);
2224 /* Search STRING for an unquoted % and handle quoting. Returns a pointer to
2225 the % or NULL if no % was found.
2226 This version is used with strings in the string cache: if there's a need to
2227 modify the string a new version will be added to the string cache and
2228 *STRING will be set to that. */
2231 find_percent_cached (const char **string
)
2233 const char *p
= *string
;
2237 /* If the first char is a % return now. This lets us avoid extra tests
2244 while (*p
!= '\0' && *p
!= '%')
2250 /* See if this % is escaped with a backslash; if not we're done. */
2255 /* Search for more backslashes. */
2259 while (&p
[i
] >= *string
&& p
[i
] == '\\')
2263 /* At this point we know we'll need to allocate a new string.
2264 Make a copy if we haven't yet done so. */
2267 slen
= strlen (*string
);
2268 new = alloca (slen
+ 1);
2269 memcpy (new, *string
, slen
+ 1);
2270 p
= new + (p
- *string
);
2274 /* At this point *string, p, and new all point into the same string.
2275 Get a non-const version of p so we can modify new. */
2276 pv
= new + (p
- *string
);
2278 /* The number of backslashes is now -I.
2279 Copy P over itself to swallow half of them. */
2280 memmove (&pv
[i
], &pv
[i
/2], (slen
- (pv
- new)) - (i
/2) + 1);
2283 /* If the backslashes quoted each other; the % was unquoted. */
2289 /* If we had to change STRING, add it to the strcache. */
2292 *string
= strcache_add (*string
);
2293 p
= *string
+ (p
- new);
2296 /* If we didn't find a %, return NULL. Otherwise return a ptr to it. */
2297 return (*p
== '\0') ? NULL
: p
;
2300 /* Find the next line of text in an eval buffer, combining continuation lines
2302 Return the number of actual lines read (> 1 if continuation lines).
2303 Returns -1 if there's nothing left in the buffer.
2305 After this function, ebuf->buffer points to the first character of the
2309 /* Read a line of text from a STRING.
2310 Since we aren't really reading from a file, don't bother with linenumbers.
2313 static unsigned long
2314 readstring (struct ebuffer
*ebuf
)
2318 /* If there is nothing left in this buffer, return 0. */
2319 if (ebuf
->bufnext
>= ebuf
->bufstart
+ ebuf
->size
)
2322 /* Set up a new starting point for the buffer, and find the end of the
2323 next logical line (taking into account backslash/newline pairs). */
2325 eol
= ebuf
->buffer
= ebuf
->bufnext
;
2330 const char *bol
= eol
;
2333 /* Find the next newline. At EOS, stop. */
2334 p
= eol
= strchr (eol
, '\n');
2337 ebuf
->bufnext
= ebuf
->bufstart
+ ebuf
->size
+ 1;
2341 /* Found a newline; if it's escaped continue; else we're done. */
2342 while (p
> bol
&& *(--p
) == '\\')
2343 backslash
= !backslash
;
2349 /* Overwrite the newline char. */
2351 ebuf
->bufnext
= eol
+1;
2357 readline (struct ebuffer
*ebuf
)
2364 /* The behaviors between string and stream buffers are different enough to
2365 warrant different functions. Do the Right Thing. */
2368 return readstring (ebuf
);
2370 /* When reading from a file, we always start over at the beginning of the
2371 buffer for each new line. */
2373 p
= start
= ebuf
->bufstart
;
2374 end
= p
+ ebuf
->size
;
2377 while (fgets (p
, end
- p
, ebuf
->fp
) != 0)
2386 /* This only happens when the first thing on the line is a '\0'.
2387 It is a pretty hopeless case, but (wonder of wonders) Athena
2388 lossage strikes again! (xmkmf puts NULs in its makefiles.)
2389 There is nothing really to be done; we synthesize a newline so
2390 the following line doesn't appear to be part of this line. */
2392 _("warning: NUL character seen; rest of line ignored"));
2397 /* Jump past the text we just read. */
2400 /* If the last char isn't a newline, the whole line didn't fit into the
2401 buffer. Get some more buffer and try again. */
2405 /* We got a newline, so add one to the count of lines. */
2408 #if !defined(WINDOWS32) && !defined(__MSDOS__) && !defined(__EMX__)
2409 /* Check to see if the line was really ended with CRLF; if so ignore
2411 if ((p
- start
) > 1 && p
[-2] == '\r')
2419 for (p2
= p
- 2; p2
>= start
; --p2
)
2423 backslash
= !backslash
;
2432 /* It was a backslash/newline combo. If we have more space, read
2437 /* We need more space at the end of our buffer, so realloc it.
2438 Make sure to preserve the current offset of p. */
2441 unsigned long off
= p
- start
;
2443 start
= ebuf
->buffer
= ebuf
->bufstart
= xrealloc (start
, ebuf
->size
);
2445 end
= start
+ ebuf
->size
;
2450 if (ferror (ebuf
->fp
))
2451 pfatal_with_name (ebuf
->floc
.filenm
);
2453 /* If we found some lines, return how many.
2454 If we didn't, but we did find _something_, that indicates we read the last
2455 line of a file with no final newline; return 1.
2456 If we read nothing, we're at EOF; return -1. */
2458 return nlines
? nlines
: p
== ebuf
->bufstart
? -1 : 1;
2461 /* Parse the next "makefile word" from the input buffer, and return info
2464 A "makefile word" is one of:
2466 w_bogus Should never happen
2468 w_static A static word; cannot be expanded
2469 w_variable A word containing one or more variables/functions
2471 w_dcolon A double-colon
2472 w_semicolon A semicolon
2473 w_varassign A variable assignment operator (=, :=, +=, or ?=)
2475 Note that this function is only used when reading certain parts of the
2476 makefile. Don't use it where special rules hold sway (RHS of a variable,
2477 in a command list, etc.) */
2479 static enum make_word_type
2480 get_next_mword (char *buffer
, char *delim
, char **startp
, unsigned int *length
)
2482 enum make_word_type wtype
= w_bogus
;
2483 char *p
= buffer
, *beg
;
2486 /* Skip any leading whitespace. */
2487 while (isblank ((unsigned char)*p
))
2499 wtype
= w_semicolon
;
2503 wtype
= w_varassign
;
2517 wtype
= w_varassign
;
2527 wtype
= w_varassign
;
2532 if (delim
&& strchr (delim
, c
))
2537 /* Did we find something? If so, return now. */
2538 if (wtype
!= w_bogus
)
2541 /* This is some non-operator word. A word consists of the longest
2542 string of characters that doesn't contain whitespace, one of [:=#],
2543 or [?+]=, or one of the chars in the DELIM string. */
2545 /* We start out assuming a static word; if we see a variable we'll
2546 adjust our assumptions then. */
2549 /* We already found the first value of "c", above. */
2564 #ifdef HAVE_DOS_PATHS
2565 /* A word CAN include a colon in its drive spec. The drive
2566 spec is allowed either at the beginning of a word, or as part
2567 of the archive member name, like in "libfoo.a(d:/foo/bar.o)". */
2569 && (*p
== '/' || *p
== '\\') && isalpha ((unsigned char)p
[-2])
2570 && (p
- beg
== 2 || p
[-3] == '(')))
2579 /* This is a variable reference, so note that it's expandable.
2580 Then read it to the matching close paren. */
2588 /* This is a single-letter variable reference. */
2591 for (count
=0; *p
!= '\0'; ++p
)
2595 else if (*p
== closeparen
&& --count
< 0)
2622 if (delim
&& strchr (delim
, c
))
2640 /* Construct the list of include directories
2641 from the arguments and the default list. */
2644 construct_include_path (const char **arg_dirs
)
2646 #ifdef VAXC /* just don't ask ... */
2655 /* Compute the number of pointers we need in the table. */
2656 idx
= sizeof (default_include_directories
) / sizeof (const char *);
2658 for (cpp
= arg_dirs
; *cpp
!= 0; ++cpp
)
2662 /* Add one for $DJDIR. */
2666 dirs
= xmalloc (idx
* sizeof (const char *));
2671 /* First consider any dirs specified with -I switches.
2672 Ignore any that don't exist. Remember the maximum string length. */
2675 while (*arg_dirs
!= 0)
2677 const char *dir
= *(arg_dirs
++);
2683 expanded
= tilde_expand (dir
);
2688 EINTRLOOP (e
, stat (dir
, &stbuf
));
2689 if (e
== 0 && S_ISDIR (stbuf
.st_mode
))
2691 unsigned int len
= strlen (dir
);
2692 /* If dir name is written with trailing slashes, discard them. */
2693 while (len
> 1 && dir
[len
- 1] == '/')
2695 if (len
> max_incl_len
)
2697 dirs
[idx
++] = strcache_add_len (dir
, len
);
2704 /* Now add the standard default dirs at the end. */
2708 /* The environment variable $DJDIR holds the root of the DJGPP directory
2709 tree; add ${DJDIR}/include. */
2710 struct variable
*djdir
= lookup_variable ("DJDIR", 5);
2714 unsigned int len
= strlen (djdir
->value
) + 8;
2715 char *defdir
= alloca (len
+ 1);
2717 strcat (strcpy (defdir
, djdir
->value
), "/include");
2718 dirs
[idx
++] = strcache_add (defdir
);
2720 if (len
> max_incl_len
)
2726 for (cpp
= default_include_directories
; *cpp
!= 0; ++cpp
)
2730 EINTRLOOP (e
, stat (*cpp
, &stbuf
));
2731 if (e
== 0 && S_ISDIR (stbuf
.st_mode
))
2733 unsigned int len
= strlen (*cpp
);
2734 /* If dir name is written with trailing slashes, discard them. */
2735 while (len
> 1 && (*cpp
)[len
- 1] == '/')
2737 if (len
> max_incl_len
)
2739 dirs
[idx
++] = strcache_add_len (*cpp
, len
);
2745 /* Now add each dir to the .INCLUDE_DIRS variable. */
2747 for (cpp
= dirs
; *cpp
!= 0; ++cpp
)
2748 do_variable_definition (NILF
, ".INCLUDE_DIRS", *cpp
,
2749 o_default
, f_append
, 0);
2751 include_directories
= dirs
;
2754 /* Expand ~ or ~USER at the beginning of NAME.
2755 Return a newly malloc'd string or 0. */
2758 tilde_expand (const char *name
)
2761 if (name
[1] == '/' || name
[1] == '\0')
2763 extern char *getenv ();
2768 /* Turn off --warn-undefined-variables while we expand HOME. */
2769 int save
= warn_undefined_variables_flag
;
2770 warn_undefined_variables_flag
= 0;
2772 home_dir
= allocated_variable_expand ("$(HOME)");
2774 warn_undefined_variables_flag
= save
;
2777 is_variable
= home_dir
[0] != '\0';
2781 home_dir
= getenv ("HOME");
2783 # if !defined(_AMIGA) && !defined(WINDOWS32)
2784 if (home_dir
== 0 || home_dir
[0] == '\0')
2786 extern char *getlogin ();
2787 char *logname
= getlogin ();
2791 struct passwd
*p
= getpwnam (logname
);
2793 home_dir
= p
->pw_dir
;
2796 # endif /* !AMIGA && !WINDOWS32 */
2799 char *new = xstrdup (concat (2, home_dir
, name
+ 1));
2805 # if !defined(_AMIGA) && !defined(WINDOWS32)
2808 struct passwd
*pwent
;
2809 char *userend
= strchr (name
+ 1, '/');
2812 pwent
= getpwnam (name
+ 1);
2816 return xstrdup (pwent
->pw_dir
);
2818 return xstrdup (concat (3, pwent
->pw_dir
, "/", userend
+ 1));
2820 else if (userend
!= 0)
2823 # endif /* !AMIGA && !WINDOWS32 */
2828 /* Parse a string into a sequence of filenames represented as a chain of
2829 struct nameseq's and return that chain. Optionally expand the strings via
2832 The string is passed as STRINGP, the address of a string pointer.
2833 The string pointer is updated to point at the first character
2834 not parsed, which either is a null char or equals STOPCHAR.
2836 SIZE is how big to construct chain elements.
2837 This is useful if we want them actually to be other structures
2838 that have room for additional info.
2840 PREFIX, if non-null, is added to the beginning of each filename.
2842 FLAGS allows one or more of the following bitflags to be set:
2843 PARSEFS_NOSTRIP - Do no strip './'s off the beginning
2844 PARSEFS_NOAR - Do not check filenames for archive references
2845 PARSEFS_NOGLOB - Do not expand globbing characters
2846 PARSEFS_EXISTS - Only return globbed files that actually exist
2847 (cannot also set NOGLOB)
2848 PARSEFS_NOCACHE - Do not add filenames to the strcache (caller frees)
2852 parse_file_seq (char **stringp
, unsigned int size
, int stopchar
,
2853 const char *prefix
, int flags
)
2855 extern void dir_setup_glob (glob_t
*glob
);
2857 /* tmp points to tmpbuf after the prefix, if any.
2858 tp is the end of the buffer. */
2859 static char *tmpbuf
= NULL
;
2860 static int tmpbuf_len
= 0;
2862 int cachep
= (! (flags
& PARSEFS_NOCACHE
));
2864 struct nameseq
*new = 0;
2865 struct nameseq
**newp
= &new;
2866 #define NEWELT(_n) do { \
2867 const char *__n = (_n); \
2868 *newp = xcalloc (size); \
2869 (*newp)->name = (cachep ? strcache_add (__n) : xstrdup (__n)); \
2870 newp = &(*newp)->next; \
2878 # define VMS_COMMA ','
2880 # define VMS_COMMA 0
2883 if (size
< sizeof (struct nameseq
))
2884 size
= sizeof (struct nameseq
);
2886 if (! (flags
& PARSEFS_NOGLOB
))
2887 dir_setup_glob (&gl
);
2889 /* Get enough temporary space to construct the largest possible target. */
2891 int l
= strlen (*stringp
) + 1;
2894 tmpbuf
= xrealloc (tmpbuf
, l
);
2900 /* Parse STRING. P will always point to the end of the parsed content. */
2905 const char **nlist
= 0;
2915 /* Skip whitespace; at the end of the string or STOPCHAR we're done. */
2917 if (*p
== '\0' || *p
== stopchar
)
2920 /* There are names left, so find the end of the next name.
2921 Throughout this iteration S points to the start. */
2923 p
= find_char_unquote (p
, stopchar
, VMS_COMMA
, 1, 0);
2925 /* convert comma separated list to space separated */
2930 if (stopchar
== ':' && p
&& *p
== ':'
2931 && !(isspace ((unsigned char)p
[1]) || !p
[1]
2932 || isspace ((unsigned char)p
[-1])))
2933 p
= find_char_unquote (p
+1, stopchar
, VMS_COMMA
, 1, 0);
2935 #ifdef HAVE_DOS_PATHS
2936 /* For DOS paths, skip a "C:\..." or a "C:/..." until we find the
2937 first colon which isn't followed by a slash or a backslash.
2938 Note that tokens separated by spaces should be treated as separate
2939 tokens since make doesn't allow path names with spaces */
2940 if (stopchar
== ':')
2941 while (p
!= 0 && !isspace ((unsigned char)*p
) &&
2942 (p
[1] == '\\' || p
[1] == '/') && isalpha ((unsigned char)p
[-1]))
2943 p
= find_char_unquote (p
+ 1, stopchar
, VMS_COMMA
, 1, 0);
2948 /* Strip leading "this directory" references. */
2949 if (! (flags
& PARSEFS_NOSTRIP
))
2951 /* Skip leading `[]'s. */
2952 while (p
- s
> 2 && s
[0] == '[' && s
[1] == ']')
2954 /* Skip leading `./'s. */
2955 while (p
- s
> 2 && s
[0] == '.' && s
[1] == '/')
2958 /* Skip "./" and all following slashes. */
2964 /* Extract the filename just found, and skip it.
2965 Set NAME to the string, and NLEN to its length. */
2969 /* The name was stripped to empty ("./"). */
2972 #elif defined(_AMIGA)
2973 /* PDS-- This cannot be right!! */
2986 /* VMS filenames can have a ':' in them but they have to be '\'ed but we need
2987 * to remove this '\' before we can use the filename.
2988 * xstrdup called because S may be read-only string constant.
2993 if (s
[0] == '\\' && s
[1] == ':')
3001 memcpy (tp
, s
, nlen
);
3006 /* At this point, TP points to the element and NLEN is its length. */
3009 /* If this is the start of an archive group that isn't complete, set up
3010 to add the archive prefix for future files. A file list like:
3011 "libf.a(x.o y.o z.o)" needs to be expanded as:
3012 "libf.a(x.o) libf.a(y.o) libf.a(z.o)"
3014 TP == TMP means we're not already in an archive group. Ignore
3015 something starting with `(', as that cannot actually be an
3016 archive-member reference (and treating it as such results in an empty
3017 file name, which causes much lossage). Also if it ends in ")" then
3018 it's a complete reference so we don't need to treat it specially.
3020 Finally, note that archive groups must end with ')' as the last
3021 character, so ensure there's some word ending like that before
3022 considering this an archive group. */
3023 if (! (flags
& PARSEFS_NOAR
)
3024 && tp
== tmpbuf
&& tp
[0] != '(' && tp
[nlen
-1] != ')')
3026 char *n
= strchr (tp
, '(');
3029 /* This looks like the first element in an open archive group.
3030 A valid group MUST have ')' as the last character. */
3035 /* Find the end of this word. We don't want to unquote and
3036 we don't care about quoting since we're looking for the
3037 last char in the word. */
3038 while (*e
!= '\0' && *e
!= stopchar
&& *e
!= VMS_COMMA
3039 && ! isblank ((unsigned char) *e
))
3043 /* Found the end, so this is the first element in an
3044 open archive group. It looks like "lib(mem".
3045 Reset TP past the open paren. */
3046 nlen
-= (n
+ 1) - tp
;
3049 /* If we have just "lib(", part of something like
3050 "lib( a b)", go to the next item. */
3054 /* We can stop looking now. */
3062 /* If we are inside an archive group, make sure it has an end. */
3065 if (tp
[nlen
-1] == ')')
3067 /* This is the natural end; reset TP. */
3070 /* This is just ")", something like "lib(a b )": skip it. */
3076 /* Not the end, so add a "fake" end. */
3083 /* If we're not globbing we're done: add it to the end of the chain.
3084 Go to the next item in the string. */
3085 if (flags
& PARSEFS_NOGLOB
)
3087 NEWELT (concat (2, prefix
, tmpbuf
));
3091 /* If we get here we know we're doing glob expansion.
3092 TP is a string in tmpbuf. NLEN is no longer used.
3093 We may need to do more work: after this NAME will be set. */
3096 /* Expand tilde if applicable. */
3097 if (tmpbuf
[0] == '~')
3099 tildep
= tilde_expand (tmpbuf
);
3105 /* If NAME is an archive member reference replace it with the archive
3106 file name, and save the member name in MEMNAME. We will glob on the
3107 archive name and then reattach MEMNAME later. */
3108 if (! (flags
& PARSEFS_NOAR
) && ar_name (name
))
3110 ar_parse_name (name
, &arname
, &memname
);
3113 #endif /* !NO_ARCHIVES */
3115 switch (glob (name
, GLOB_NOSORT
|GLOB_ALTDIRFUNC
, NULL
, &gl
))
3118 fatal (NILF
, _("virtual memory exhausted"));
3123 nlist
= (const char **)gl
.gl_pathv
;
3127 /* If we want only existing items, skip this one. */
3128 if (flags
& PARSEFS_EXISTS
)
3136 /* By default keep this name. */
3142 /* For each matched element, add it to the list. */
3147 /* Try to glob on MEMNAME within the archive. */
3148 struct nameseq
*found
= ar_glob (nlist
[i
], memname
, size
);
3150 /* No matches. Use MEMNAME as-is. */
3151 NEWELT (concat (5, prefix
, nlist
[i
], "(", memname
, ")"));
3154 /* We got a chain of items. Attach them. */
3156 (*newp
)->next
= found
;
3160 /* Find and set the new end. Massage names if necessary. */
3164 found
->name
= xstrdup (concat (2, prefix
, name
));
3166 found
->name
= strcache_add (concat (2, prefix
, name
));
3168 if (found
->next
== 0)
3171 found
= found
->next
;
3173 newp
= &found
->next
;
3177 #endif /* !NO_ARCHIVES */
3178 NEWELT (concat (2, prefix
, nlist
[i
]));