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 char prefix
, 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;
563 const char *pattern
= 0;
564 const char *pattern_percent
;
568 #define record_waiting_files() \
571 if (filenames != 0) \
573 fi.lineno = tgts_started; \
574 record_files (filenames, pattern, pattern_percent, depstr, \
575 cmds_started, commands, commands_idx, two_colon, \
585 cmds_started
= tgts_started
= 1;
587 fstart
= &ebuf
->floc
;
588 fi
.filenm
= ebuf
->floc
.filenm
;
590 /* Loop over lines in the file.
591 The strategy is to accumulate target names in FILENAMES, dependencies
592 in DEPS and commands in COMMANDS. These are used to define a rule
593 when the start of the next rule (or eof) is encountered.
595 When you see a "continue" in the loop below, that means we are moving on
596 to the next line _without_ ending any rule that we happen to be working
597 with at the moment. If you see a "goto rule_complete", then the
598 statement we just parsed also finishes the previous rule. */
600 commands
= xmalloc (200);
604 unsigned int linelen
;
609 struct vmodifiers vmod
;
611 /* At the top of this loop, we are starting a brand new line. */
612 /* Grab the next line to be evaluated */
613 ebuf
->floc
.lineno
+= nlines
;
614 nlines
= readline (ebuf
);
616 /* If there is nothing left to eval, we're done. */
620 /* If this line is empty, skip it. */
625 linelen
= strlen (line
);
627 /* Check for a shell command line first.
628 If it is not one, we can stop treating cmd_prefix specially. */
629 if (line
[0] == cmd_prefix
)
632 /* Ignore the commands in a rule with no targets. */
635 /* If there is no preceding rule line, don't treat this line
636 as a command, even though it begins with a recipe prefix.
637 SunOS 4 make appears to behave this way. */
642 /* Yep, this is a shell command, and we don't care. */
645 if (commands_idx
== 0)
646 cmds_started
= ebuf
->floc
.lineno
;
648 /* Append this command line to the line being accumulated.
649 Skip the initial command prefix character. */
650 if (linelen
+ commands_idx
> commands_len
)
652 commands_len
= (linelen
+ commands_idx
) * 2;
653 commands
= xrealloc (commands
, commands_len
);
655 memcpy (&commands
[commands_idx
], line
+ 1, linelen
- 1);
656 commands_idx
+= linelen
- 1;
657 commands
[commands_idx
++] = '\n';
662 /* This line is not a shell command line. Don't worry about whitespace.
663 Get more space if we need it; we don't need to preserve the current
664 contents of the buffer. */
666 if (collapsed_length
< linelen
+1)
668 collapsed_length
= linelen
+1;
671 /* Don't need xrealloc: we don't need to preserve the content. */
672 collapsed
= xmalloc (collapsed_length
);
674 strcpy (collapsed
, line
);
675 /* Collapse continuation lines. */
676 collapse_continuations (collapsed
);
677 remove_comments (collapsed
);
679 /* Get rid if starting space (including formfeed, vtab, etc.) */
681 while (isspace ((unsigned char)*p
))
684 /* See if this is a variable assignment. We need to do this early, to
685 allow variables with names like 'ifdef', 'export', 'private', etc. */
686 p
= parse_var_assignment(p
, &vmod
);
690 enum variable_origin origin
= vmod
.override_v
? o_override
: o_file
;
692 /* If we're ignoring then we're done now. */
696 in_ignored_define
= 1;
702 do_undefine (p
, origin
, ebuf
);
704 /* This line has been dealt with. */
707 else if (vmod
.define_v
)
708 v
= do_define (p
, origin
, ebuf
);
710 v
= try_variable_definition (fstart
, p
, origin
, 0);
715 v
->export
= v_export
;
719 /* This line has been dealt with. */
723 /* If this line is completely empty, ignore it. */
727 p2
= end_of_token (p
);
729 p2
= next_token (p2
);
731 /* If we're in an ignored define, skip this line (but maybe get out). */
732 if (in_ignored_define
)
734 /* See if this is an endef line (plus optional comment). */
735 if (word1eq ("endef") && (*p2
== '\0' || *p2
== '#'))
736 in_ignored_define
= 0;
741 /* Check for conditional state changes. */
743 int i
= conditional_line (p
, wlen
, fstart
);
747 fatal (fstart
, _("invalid syntax in conditional"));
754 /* Nothing to see here... move along. */
758 /* Manage the "export" keyword used outside of variable assignment
759 as well as "unexport". */
760 if (word1eq ("export") || word1eq ("unexport"))
762 int exporting
= *p
== 'u' ? 0 : 1;
764 /* (un)export by itself causes everything to be (un)exported. */
766 export_all_variables
= exporting
;
773 /* Expand the line so we can use indirect and constructed
774 variable names in an (un)export command. */
775 cp
= ap
= allocated_variable_expand (p2
);
777 for (p
= find_next_token (&cp
, &l
); p
!= 0;
778 p
= find_next_token (&cp
, &l
))
780 struct variable
*v
= lookup_variable (p
, l
);
782 v
= define_variable_loc (p
, l
, "", o_file
, 0, fstart
);
783 v
->export
= exporting
? v_export
: v_noexport
;
791 /* Handle the special syntax for vpath. */
792 if (word1eq ("vpath"))
797 cp
= variable_expand (p2
);
798 p
= find_next_token (&cp
, &l
);
801 vpat
= xstrndup (p
, l
);
802 p
= find_next_token (&cp
, &l
);
803 /* No searchpath means remove all previous
804 selective VPATH's with the same pattern. */
807 /* No pattern means remove all previous selective VPATH's. */
809 construct_vpath_list (vpat
, p
);
816 /* Handle include and variants. */
817 if (word1eq ("include") || word1eq ("-include") || word1eq ("sinclude"))
819 /* We have found an `include' line specifying a nested
820 makefile to be read at this point. */
821 struct conditionals
*save
;
822 struct conditionals new_conditionals
;
823 struct nameseq
*files
;
824 /* "-include" (vs "include") says no error if the file does not
825 exist. "sinclude" is an alias for this from SGI. */
826 int noerror
= (p
[0] != 'i');
828 p
= allocated_variable_expand (p2
);
830 /* If no filenames, it's a no-op. */
837 /* Parse the list of file names. Don't expand archive references! */
839 files
= PARSE_FILE_SEQ (&p2
, struct nameseq
, '\0', NULL
,
843 /* Save the state of conditionals and start
844 the included makefile with a clean slate. */
845 save
= install_conditionals (&new_conditionals
);
847 /* Record the rules that are waiting so they will determine
848 the default goal before those in the included makefile. */
849 record_waiting_files ();
851 /* Read each included makefile. */
854 struct nameseq
*next
= files
->next
;
855 const char *name
= files
->name
;
861 r
= eval_makefile (name
,
862 (RM_INCLUDED
| RM_NO_TILDE
863 | (noerror
? RM_DONTCARE
: 0)
864 | (set_default
? 0 : RM_NO_DEFAULT_GOAL
)));
866 error (fstart
, "%s: %s", name
, strerror (errno
));
869 /* Restore conditional state. */
870 restore_conditionals (save
);
875 /* This line starts with a tab but was not caught above because there
876 was no preceding target, and the line might have been usable as a
877 variable definition. But now we know it is definitely lossage. */
878 if (line
[0] == cmd_prefix
)
879 fatal(fstart
, _("recipe commences before first target"));
881 /* This line describes some target files. This is complicated by
882 the existence of target-specific variables, because we can't
883 expand the entire line until we know if we have one or not. So
884 we expand the line word by word until we find the first `:',
885 then check to see if it's a target-specific variable.
887 In this algorithm, `lb_next' will point to the beginning of the
888 unexpanded parts of the input buffer, while `p2' points to the
889 parts of the expanded buffer we haven't searched yet. */
892 enum make_word_type wtype
;
893 char *cmdleft
, *semip
, *lb_next
;
894 unsigned int plen
= 0;
896 const char *end
, *beg
; /* Helpers for whitespace stripping. */
898 /* Record the previous rule. */
900 record_waiting_files ();
901 tgts_started
= fstart
->lineno
;
903 /* Search the line for an unquoted ; that is not after an
905 cmdleft
= find_char_unquote (line
, ';', '#', 0, 1);
906 if (cmdleft
!= 0 && *cmdleft
== '#')
908 /* We found a comment before a semicolon. */
912 else if (cmdleft
!= 0)
913 /* Found one. Cut the line short there before expanding it. */
917 collapse_continuations (line
);
919 /* We can't expand the entire line, since if it's a per-target
920 variable we don't want to expand it. So, walk from the
921 beginning, expanding as we go, and looking for "interesting"
922 chars. The first word is always expandable. */
923 wtype
= get_next_mword(line
, NULL
, &lb_next
, &wlen
);
928 fatal(fstart
, _("missing rule before recipe"));
929 /* This line contained something but turned out to be nothing
930 but whitespace (a comment?). */
935 /* We accept and ignore rules without targets for
936 compatibility with SunOS 4 make. */
944 p2
= variable_expand_string(NULL
, lb_next
, wlen
);
951 /* Look for a semicolon in the expanded line. */
952 cmdleft
= find_char_unquote (p2
, ';', 0, 0, 0);
956 unsigned long p2_off
= p2
- variable_buffer
;
957 unsigned long cmd_off
= cmdleft
- variable_buffer
;
958 char *pend
= p2
+ strlen(p2
);
960 /* Append any remnants of lb, then cut the line short
964 /* One school of thought says that you shouldn't expand
965 here, but merely copy, since now you're beyond a ";"
966 and into a command script. However, the old parser
967 expanded the whole line, so we continue that for
968 backwards-compatiblity. Also, it wouldn't be
969 entirely consistent, since we do an unconditional
970 expand below once we know we don't have a
971 target-specific variable. */
972 (void)variable_expand_string(pend
, lb_next
, (long)-1);
973 lb_next
+= strlen(lb_next
);
974 p2
= variable_buffer
+ p2_off
;
975 cmdleft
= variable_buffer
+ cmd_off
+ 1;
979 colonp
= find_char_unquote(p2
, ':', 0, 0, 0);
980 #ifdef HAVE_DOS_PATHS
981 /* The drive spec brain-damage strikes again... */
982 /* Note that the only separators of targets in this context
983 are whitespace and a left paren. If others are possible,
984 they should be added to the string in the call to index. */
985 while (colonp
&& (colonp
[1] == '/' || colonp
[1] == '\\') &&
986 colonp
> p2
&& isalpha ((unsigned char)colonp
[-1]) &&
987 (colonp
== p2
+ 1 || strchr (" \t(", colonp
[-2]) != 0))
988 colonp
= find_char_unquote(colonp
+ 1, ':', 0, 0, 0);
993 wtype
= get_next_mword(lb_next
, NULL
, &lb_next
, &wlen
);
999 p2
= variable_expand_string(p2
, lb_next
, wlen
);
1000 /* We don't need to worry about cmdleft here, because if it was
1001 found in the variable_buffer the entire buffer has already
1002 been expanded... we'll never get here. */
1005 p2
= next_token (variable_buffer
);
1007 /* If the word we're looking at is EOL, see if there's _anything_
1008 on the line. If not, a variable expanded to nothing, so ignore
1009 it. If so, we can't parse this line so punt. */
1013 /* There's no need to be ivory-tower about this: check for
1014 one of the most common bugs found in makefiles... */
1015 fatal (fstart
, _("missing separator%s"),
1016 (cmd_prefix
== '\t' && !strneq(line
, " ", 8))
1017 ? "" : _(" (did you mean TAB instead of 8 spaces?)"));
1021 /* Make the colon the end-of-string so we know where to stop
1022 looking for targets. */
1024 filenames
= PARSE_FILE_SEQ (&p2
, struct nameseq
, '\0', NULL
, 0);
1029 /* We accept and ignore rules without targets for
1030 compatibility with SunOS 4 make. */
1034 /* This should never be possible; we handled it above. */
1035 assert (*p2
!= '\0');
1038 /* Is this a one-colon or two-colon entry? */
1039 two_colon
= *p2
== ':';
1043 /* Test to see if it's a target-specific variable. Copy the rest
1044 of the buffer over, possibly temporarily (we'll expand it later
1045 if it's not a target-specific variable). PLEN saves the length
1046 of the unparsed section of p2, for later. */
1047 if (*lb_next
!= '\0')
1049 unsigned int l
= p2
- variable_buffer
;
1051 variable_buffer_output (p2
+plen
, lb_next
, strlen (lb_next
)+1);
1052 p2
= variable_buffer
+ l
;
1055 p2
= parse_var_assignment (p2
, &vmod
);
1058 /* If there was a semicolon found, add it back, plus anything
1062 unsigned int l
= p
- variable_buffer
;
1064 collapse_continuations (semip
);
1065 variable_buffer_output (p2
+ strlen (p2
),
1066 semip
, strlen (semip
)+1);
1067 p
= variable_buffer
+ l
;
1069 record_target_var (filenames
, p2
,
1070 vmod
.override_v
? o_override
: o_file
,
1076 /* This is a normal target, _not_ a target-specific variable.
1077 Unquote any = in the dependency list. */
1078 find_char_unquote (lb_next
, '=', 0, 0, 0);
1080 /* Remember the command prefix for this target. */
1081 prefix
= cmd_prefix
;
1083 /* We have some targets, so don't ignore the following commands. */
1086 /* Expand the dependencies, etc. */
1087 if (*lb_next
!= '\0')
1089 unsigned int l
= p2
- variable_buffer
;
1090 (void) variable_expand_string (p2
+ plen
, lb_next
, (long)-1);
1091 p2
= variable_buffer
+ l
;
1093 /* Look for a semicolon in the expanded line. */
1096 cmdleft
= find_char_unquote (p2
, ';', 0, 0, 0);
1098 *(cmdleft
++) = '\0';
1102 /* Is this a static pattern rule: `target: %targ: %dep; ...'? */
1103 p
= strchr (p2
, ':');
1104 while (p
!= 0 && p
[-1] == '\\')
1108 while (*q
-- == '\\')
1109 backslash
= !backslash
;
1111 p
= strchr (p
+ 1, ':');
1116 /* Here, the situation is quite complicated. Let's have a look
1117 at a couple of targets:
1125 The rule is that it's only a target, if there are TWO :'s
1126 OR a space around the :.
1128 if (p
&& !(isspace ((unsigned char)p
[1]) || !p
[1]
1129 || isspace ((unsigned char)p
[-1])))
1132 #ifdef HAVE_DOS_PATHS
1137 /* For DOS-style paths, skip a "C:\..." or a "C:/..." */
1138 if (p
!= 0 && (p
[1] == '\\' || p
[1] == '/') &&
1139 isalpha ((unsigned char)p
[-1]) &&
1140 (p
== p2
+ 1 || strchr (" \t:(", p
[-2]) != 0)) {
1141 p
= strchr (p
+ 1, ':');
1144 } while (check_again
);
1149 struct nameseq
*target
;
1150 target
= PARSE_FILE_SEQ (&p2
, struct nameseq
, ':', NULL
,
1154 fatal (fstart
, _("missing target pattern"));
1155 else if (target
->next
!= 0)
1156 fatal (fstart
, _("multiple target patterns"));
1157 pattern_percent
= find_percent_cached (&target
->name
);
1158 pattern
= target
->name
;
1159 if (pattern_percent
== 0)
1160 fatal (fstart
, _("target pattern contains no `%%'"));
1166 /* Strip leading and trailing whitespaces. */
1168 end
= beg
+ strlen (beg
) - 1;
1169 strip_whitespace (&beg
, &end
);
1171 /* Put all the prerequisites here; they'll be parsed later. */
1172 if (beg
<= end
&& *beg
!= '\0')
1173 depstr
= xstrndup (beg
, end
- beg
+ 1);
1180 /* Semicolon means rest of line is a command. */
1181 unsigned int l
= strlen (cmdleft
);
1183 cmds_started
= fstart
->lineno
;
1185 /* Add this command line to the buffer. */
1186 if (l
+ 2 > commands_len
)
1188 commands_len
= (l
+ 2) * 2;
1189 commands
= xrealloc (commands
, commands_len
);
1191 memcpy (commands
, cmdleft
, l
);
1193 commands
[commands_idx
++] = '\n';
1196 /* Determine if this target should be made default. We used to do
1197 this in record_files() but because of the delayed target recording
1198 and because preprocessor directives are legal in target's commands
1199 it is too late. Consider this fragment for example:
1203 ifeq ($(.DEFAULT_GOAL),foo)
1207 Because the target is not recorded until after ifeq directive is
1208 evaluated the .DEFAULT_GOAL does not contain foo yet as one
1209 would expect. Because of this we have to move the logic here. */
1211 if (set_default
&& default_goal_var
->value
[0] == '\0')
1215 struct nameseq
*t
= filenames
;
1217 for (; t
!= 0; t
= t
->next
)
1222 /* We have nothing to do if this is an implicit rule. */
1223 if (strchr (name
, '%') != 0)
1226 /* See if this target's name does not start with a `.',
1227 unless it contains a slash. */
1228 if (*name
== '.' && strchr (name
, '/') == 0
1229 #ifdef HAVE_DOS_PATHS
1230 && strchr (name
, '\\') == 0
1236 /* If this file is a suffix, don't let it be
1237 the default goal file. */
1238 for (d
= suffix_file
->deps
; d
!= 0; d
= d
->next
)
1240 register struct dep
*d2
;
1241 if (*dep_name (d
) != '.' && streq (name
, dep_name (d
)))
1246 for (d2
= suffix_file
->deps
; d2
!= 0; d2
= d2
->next
)
1248 unsigned int l
= strlen (dep_name (d2
));
1249 if (!strneq (name
, dep_name (d2
), l
))
1251 if (streq (name
+ l
, dep_name (d
)))
1264 define_variable_global (".DEFAULT_GOAL", 13, t
->name
,
1274 /* We get here except in the case that we just read a rule line.
1275 Record now the last rule we read, so following spurious
1276 commands are properly diagnosed. */
1278 record_waiting_files ();
1283 if (conditionals
->if_cmds
)
1284 fatal (fstart
, _("missing `endif'"));
1286 /* At eof, record the last rule. */
1287 record_waiting_files ();
1295 /* Remove comments from LINE.
1296 This is done by copying the text at LINE onto itself. */
1299 remove_comments (char *line
)
1303 comment
= find_char_unquote (line
, '#', 0, 0, 0);
1306 /* Cut off the line at the #. */
1310 /* Execute a `undefine' directive.
1311 The undefine line has already been read, and NAME is the name of
1312 the variable to be undefined. */
1315 do_undefine (char *name
, enum variable_origin origin
, struct ebuffer
*ebuf
)
1319 /* Expand the variable name and find the beginning (NAME) and end. */
1320 var
= allocated_variable_expand (name
);
1321 name
= next_token (var
);
1323 fatal (&ebuf
->floc
, _("empty variable name"));
1324 p
= name
+ strlen (name
) - 1;
1325 while (p
> name
&& isblank ((unsigned char)*p
))
1329 undefine_variable_global (name
, p
- name
+ 1, origin
);
1333 /* Execute a `define' directive.
1334 The first line has already been read, and NAME is the name of
1335 the variable to be defined. The following lines remain to be read. */
1337 static struct variable
*
1338 do_define (char *name
, enum variable_origin origin
, struct ebuffer
*ebuf
)
1341 enum variable_flavor flavor
;
1342 struct floc defstart
;
1344 unsigned int length
= 100;
1345 char *definition
= xmalloc (length
);
1346 unsigned int idx
= 0;
1349 defstart
= ebuf
->floc
;
1351 p
= parse_variable_definition (name
, &flavor
);
1353 /* No assignment token, so assume recursive. */
1354 flavor
= f_recursive
;
1357 if (*(next_token (p
)) != '\0')
1358 error (&defstart
, _("extraneous text after `define' directive"));
1360 /* Chop the string before the assignment token to get the name. */
1361 p
[flavor
== f_recursive
? -1 : -2] = '\0';
1364 /* Expand the variable name and find the beginning (NAME) and end. */
1365 var
= allocated_variable_expand (name
);
1366 name
= next_token (var
);
1368 fatal (&defstart
, _("empty variable name"));
1369 p
= name
+ strlen (name
) - 1;
1370 while (p
> name
&& isblank ((unsigned char)*p
))
1374 /* Now read the value of the variable. */
1379 long nlines
= readline (ebuf
);
1381 /* If there is nothing left to be eval'd, there's no 'endef'!! */
1383 fatal (&defstart
, _("missing `endef', unterminated `define'"));
1385 ebuf
->floc
.lineno
+= nlines
;
1386 line
= ebuf
->buffer
;
1388 collapse_continuations (line
);
1390 /* If the line doesn't begin with a tab, test to see if it introduces
1391 another define, or ends one. Stop if we find an 'endef' */
1392 if (line
[0] != cmd_prefix
)
1394 p
= next_token (line
);
1397 /* If this is another 'define', increment the level count. */
1398 if ((len
== 6 || (len
> 6 && isblank ((unsigned char)p
[6])))
1399 && strneq (p
, "define", 6))
1402 /* If this is an 'endef', decrement the count. If it's now 0,
1403 we've found the last one. */
1404 else if ((len
== 5 || (len
> 5 && isblank ((unsigned char)p
[5])))
1405 && strneq (p
, "endef", 5))
1408 remove_comments (p
);
1409 if (*(next_token (p
)) != '\0')
1411 _("extraneous text after `endef' directive"));
1418 /* Add this line to the variable definition. */
1419 len
= strlen (line
);
1420 if (idx
+ len
+ 1 > length
)
1422 length
= (idx
+ len
) * 2;
1423 definition
= xrealloc (definition
, length
+ 1);
1426 memcpy (&definition
[idx
], line
, len
);
1428 /* Separate lines with a newline. */
1429 definition
[idx
++] = '\n';
1432 /* We've got what we need; define the variable. */
1434 definition
[0] = '\0';
1436 definition
[idx
- 1] = '\0';
1438 v
= do_variable_definition (&defstart
, name
, definition
, origin
, flavor
, 0);
1444 /* Interpret conditional commands "ifdef", "ifndef", "ifeq",
1445 "ifneq", "else" and "endif".
1446 LINE is the input line, with the command as its first word.
1448 FILENAME and LINENO are the filename and line number in the
1449 current makefile. They are used for error messages.
1451 Value is -2 if the line is not a conditional at all,
1452 -1 if the line is an invalid conditional,
1453 0 if following text should be interpreted,
1454 1 if following text should be ignored. */
1457 conditional_line (char *line
, int len
, const struct floc
*flocp
)
1460 enum { c_ifdef
, c_ifndef
, c_ifeq
, c_ifneq
, c_else
, c_endif
} cmdtype
;
1464 /* Compare a word, both length and contents. */
1465 #define word1eq(s) (len == sizeof(s)-1 && strneq (s, line, sizeof(s)-1))
1466 #define chkword(s, t) if (word1eq (s)) { cmdtype = (t); cmdname = (s); }
1468 /* Make sure this line is a conditional. */
1469 chkword ("ifdef", c_ifdef
)
1470 else chkword ("ifndef", c_ifndef
)
1471 else chkword ("ifeq", c_ifeq
)
1472 else chkword ("ifneq", c_ifneq
)
1473 else chkword ("else", c_else
)
1474 else chkword ("endif", c_endif
)
1478 /* Found one: skip past it and any whitespace after it. */
1479 line
= next_token (line
+ len
);
1481 #define EXTRANEOUS() error (flocp, _("Extraneous text after `%s' directive"), cmdname)
1483 /* An 'endif' cannot contain extra text, and reduces the if-depth by 1 */
1484 if (cmdtype
== c_endif
)
1489 if (!conditionals
->if_cmds
)
1490 fatal (flocp
, _("extraneous `%s'"), cmdname
);
1492 --conditionals
->if_cmds
;
1497 /* An 'else' statement can either be simple, or it can have another
1498 conditional after it. */
1499 if (cmdtype
== c_else
)
1503 if (!conditionals
->if_cmds
)
1504 fatal (flocp
, _("extraneous `%s'"), cmdname
);
1506 o
= conditionals
->if_cmds
- 1;
1508 if (conditionals
->seen_else
[o
])
1509 fatal (flocp
, _("only one `else' per conditional"));
1511 /* Change the state of ignorance. */
1512 switch (conditionals
->ignoring
[o
])
1515 /* We've just been interpreting. Never do it again. */
1516 conditionals
->ignoring
[o
] = 2;
1519 /* We've never interpreted yet. Maybe this time! */
1520 conditionals
->ignoring
[o
] = 0;
1524 /* It's a simple 'else'. */
1527 conditionals
->seen_else
[o
] = 1;
1531 /* The 'else' has extra text. That text must be another conditional
1532 and cannot be an 'else' or 'endif'. */
1534 /* Find the length of the next word. */
1535 for (p
= line
+1; *p
!= '\0' && !isspace ((unsigned char)*p
); ++p
)
1539 /* If it's 'else' or 'endif' or an illegal conditional, fail. */
1540 if (word1eq("else") || word1eq("endif")
1541 || conditional_line (line
, len
, flocp
) < 0)
1545 /* conditional_line() created a new level of conditional.
1546 Raise it back to this level. */
1547 if (conditionals
->ignoring
[o
] < 2)
1548 conditionals
->ignoring
[o
] = conditionals
->ignoring
[o
+1];
1549 --conditionals
->if_cmds
;
1555 if (conditionals
->allocated
== 0)
1557 conditionals
->allocated
= 5;
1558 conditionals
->ignoring
= xmalloc (conditionals
->allocated
);
1559 conditionals
->seen_else
= xmalloc (conditionals
->allocated
);
1562 o
= conditionals
->if_cmds
++;
1563 if (conditionals
->if_cmds
> conditionals
->allocated
)
1565 conditionals
->allocated
+= 5;
1566 conditionals
->ignoring
= xrealloc (conditionals
->ignoring
,
1567 conditionals
->allocated
);
1568 conditionals
->seen_else
= xrealloc (conditionals
->seen_else
,
1569 conditionals
->allocated
);
1572 /* Record that we have seen an `if...' but no `else' so far. */
1573 conditionals
->seen_else
[o
] = 0;
1575 /* Search through the stack to see if we're already ignoring. */
1576 for (i
= 0; i
< o
; ++i
)
1577 if (conditionals
->ignoring
[i
])
1579 /* We are already ignoring, so just push a level to match the next
1580 "else" or "endif", and keep ignoring. We don't want to expand
1581 variables in the condition. */
1582 conditionals
->ignoring
[o
] = 1;
1586 if (cmdtype
== c_ifdef
|| cmdtype
== c_ifndef
)
1592 /* Expand the thing we're looking up, so we can use indirect and
1593 constructed variable names. */
1594 var
= allocated_variable_expand (line
);
1596 /* Make sure there's only one variable name to test. */
1597 p
= end_of_token (var
);
1604 v
= lookup_variable (var
, i
);
1606 conditionals
->ignoring
[o
] =
1607 ((v
!= 0 && *v
->value
!= '\0') == (cmdtype
== c_ifndef
));
1613 /* "ifeq" or "ifneq". */
1616 char termin
= *line
== '(' ? ',' : *line
;
1618 if (termin
!= ',' && termin
!= '"' && termin
!= '\'')
1622 /* Find the end of the first string. */
1626 for (; *line
!= '\0'; ++line
)
1629 else if (*line
== ')')
1631 else if (*line
== ',' && count
<= 0)
1635 while (*line
!= '\0' && *line
!= termin
)
1643 /* Strip blanks after the first string. */
1645 while (isblank ((unsigned char)p
[-1]))
1652 s2
= variable_expand (s1
);
1653 /* We must allocate a new copy of the expanded string because
1654 variable_expand re-uses the same buffer. */
1656 s1
= alloca (l
+ 1);
1657 memcpy (s1
, s2
, l
+ 1);
1660 /* Find the start of the second string. */
1661 line
= next_token (line
);
1663 termin
= termin
== ',' ? ')' : *line
;
1664 if (termin
!= ')' && termin
!= '"' && termin
!= '\'')
1667 /* Find the end of the second string. */
1671 s2
= next_token (line
);
1672 for (line
= s2
; *line
!= '\0'; ++line
)
1676 else if (*line
== ')')
1689 while (*line
!= '\0' && *line
!= termin
)
1697 line
= next_token (++line
);
1701 s2
= variable_expand (s2
);
1702 conditionals
->ignoring
[o
] = (streq (s1
, s2
) == (cmdtype
== c_ifneq
));
1706 /* Search through the stack to see if we're ignoring. */
1707 for (i
= 0; i
< conditionals
->if_cmds
; ++i
)
1708 if (conditionals
->ignoring
[i
])
1714 /* Record target-specific variable values for files FILENAMES.
1715 TWO_COLON is nonzero if a double colon was used.
1717 The links of FILENAMES are freed, and so are any names in it
1718 that are not incorporated into other data structures.
1720 If the target is a pattern, add the variable to the pattern-specific
1721 variable value list. */
1724 record_target_var (struct nameseq
*filenames
, char *defn
,
1725 enum variable_origin origin
, struct vmodifiers
*vmod
,
1726 const struct floc
*flocp
)
1728 struct nameseq
*nextf
;
1729 struct variable_set_list
*global
;
1731 global
= current_variable_set_list
;
1733 /* If the variable is an append version, store that but treat it as a
1734 normal recursive variable. */
1736 for (; filenames
!= 0; filenames
= nextf
)
1739 const char *name
= filenames
->name
;
1741 const char *percent
;
1742 struct pattern_var
*p
;
1744 nextf
= filenames
->next
;
1745 free_ns (filenames
);
1747 /* If it's a pattern target, then add it to the pattern-specific
1749 percent
= find_percent_cached (&name
);
1752 /* Get a reference for this pattern-specific variable struct. */
1753 p
= create_pattern_var (name
, percent
);
1754 p
->variable
.fileinfo
= *flocp
;
1755 /* I don't think this can fail since we already determined it was a
1756 variable definition. */
1757 v
= assign_variable_definition (&p
->variable
, defn
);
1761 if (v
->flavor
== f_simple
)
1762 v
->value
= allocated_variable_expand (v
->value
);
1764 v
->value
= xstrdup (v
->value
);
1772 /* Get a file reference for this file, and initialize it.
1773 We don't want to just call enter_file() because that allocates a
1774 new entry if the file is a double-colon, which we don't want in
1776 f
= lookup_file (name
);
1778 f
= enter_file (strcache_add (name
));
1779 else if (f
->double_colon
)
1780 f
= f
->double_colon
;
1782 initialize_file_variables (f
, 1);
1785 current_variable_set_list
= f
->variables
;
1786 v
= try_variable_definition (flocp
, defn
, origin
, 1);
1788 fatal (flocp
, _("Malformed target-specific variable definition"));
1789 current_variable_set_list
= global
;
1792 /* Set up the variable to be *-specific. */
1794 v
->private_var
= vmod
->private_v
;
1795 v
->export
= vmod
->export_v
? v_export
: v_default
;
1797 /* If it's not an override, check to see if there was a command-line
1798 setting. If so, reset the value. */
1799 if (v
->origin
!= o_override
)
1801 struct variable
*gv
;
1802 int len
= strlen(v
->name
);
1804 gv
= lookup_variable (v
->name
, len
);
1806 && (gv
->origin
== o_env_override
|| gv
->origin
== o_command
))
1810 v
->value
= xstrdup (gv
->value
);
1811 v
->origin
= gv
->origin
;
1812 v
->recursive
= gv
->recursive
;
1819 /* Record a description line for files FILENAMES,
1820 with dependencies DEPS, commands to execute described
1821 by COMMANDS and COMMANDS_IDX, coming from FILENAME:COMMANDS_STARTED.
1822 TWO_COLON is nonzero if a double colon was used.
1823 If not nil, PATTERN is the `%' pattern to make this
1824 a static pattern rule, and PATTERN_PERCENT is a pointer
1825 to the `%' within it.
1827 The links of FILENAMES are freed, and so are any names in it
1828 that are not incorporated into other data structures. */
1831 record_files (struct nameseq
*filenames
, const char *pattern
,
1832 const char *pattern_percent
, char *depstr
,
1833 unsigned int cmds_started
, char *commands
,
1834 unsigned int commands_idx
, int two_colon
,
1835 char prefix
, const struct floc
*flocp
)
1837 struct commands
*cmds
;
1839 const char *implicit_percent
;
1842 /* If we've already snapped deps, that means we're in an eval being
1843 resolved after the makefiles have been read in. We can't add more rules
1844 at this time, since they won't get snapped and we'll get core dumps.
1845 See Savannah bug # 12124. */
1847 fatal (flocp
, _("prerequisites cannot be defined in recipes"));
1849 /* Determine if this is a pattern rule or not. */
1850 name
= filenames
->name
;
1851 implicit_percent
= find_percent_cached (&name
);
1853 /* If there's a recipe, set up a struct for it. */
1854 if (commands_idx
> 0)
1856 cmds
= xmalloc (sizeof (struct commands
));
1857 cmds
->fileinfo
.filenm
= flocp
->filenm
;
1858 cmds
->fileinfo
.lineno
= cmds_started
;
1859 cmds
->commands
= xstrndup (commands
, commands_idx
);
1860 cmds
->command_lines
= 0;
1861 cmds
->recipe_prefix
= prefix
;
1866 /* If there's a prereq string then parse it--unless it's eligible for 2nd
1867 expansion: if so, snap_deps() will do it. */
1870 else if (second_expansion
&& strchr (depstr
, '$'))
1872 deps
= alloc_dep ();
1873 deps
->name
= depstr
;
1874 deps
->need_2nd_expansion
= 1;
1875 deps
->staticpattern
= pattern
!= 0;
1879 deps
= split_prereqs (depstr
);
1882 /* We'll enter static pattern prereqs later when we have the stem. We
1883 don't want to enter pattern rules at all so that we don't think that
1884 they ought to exist (make manual "Implicit Rule Search Algorithm",
1886 if (! pattern
&& ! implicit_percent
)
1887 deps
= enter_prereqs (deps
, NULL
);
1890 /* For implicit rules, _all_ the targets must have a pattern. That means we
1891 can test the first one to see if we're working with an implicit rule; if
1892 so we handle it specially. */
1894 if (implicit_percent
)
1896 struct nameseq
*nextf
;
1897 const char **targets
, **target_pats
;
1901 fatal (flocp
, _("mixed implicit and static pattern rules"));
1903 /* Count the targets to create an array of target names.
1904 We already have the first one. */
1905 nextf
= filenames
->next
;
1906 free_ns (filenames
);
1909 for (c
= 1; nextf
; ++c
, nextf
= nextf
->next
)
1911 targets
= xmalloc (c
* sizeof (const char *));
1912 target_pats
= xmalloc (c
* sizeof (const char *));
1915 target_pats
[0] = implicit_percent
;
1920 name
= filenames
->name
;
1921 implicit_percent
= find_percent_cached (&name
);
1923 if (implicit_percent
== 0)
1924 fatal (flocp
, _("mixed implicit and normal rules"));
1927 target_pats
[c
] = implicit_percent
;
1930 nextf
= filenames
->next
;
1931 free_ns (filenames
);
1935 create_pattern_rule (targets
, target_pats
, c
, two_colon
, deps
, cmds
, 1);
1941 /* Walk through each target and create it in the database.
1942 We already set up the first target, above. */
1945 struct nameseq
*nextf
= filenames
->next
;
1947 struct dep
*this = 0;
1949 free_ns (filenames
);
1951 /* Check for special targets. Do it here instead of, say, snap_deps()
1952 so that we can immediately use the value. */
1953 if (streq (name
, ".POSIX"))
1956 define_variable_cname (".SHELLFLAGS", "-ec", o_default
, 0);
1958 else if (streq (name
, ".SECONDEXPANSION"))
1959 second_expansion
= 1;
1960 #if !defined(WINDOWS32) && !defined (__MSDOS__) && !defined (__EMX__)
1961 else if (streq (name
, ".ONESHELL"))
1965 /* If this is a static pattern rule:
1966 `targets: target%pattern: prereq%pattern; recipe',
1967 make sure the pattern matches this target name. */
1968 if (pattern
&& !pattern_matches (pattern
, pattern_percent
, name
))
1969 error (flocp
, _("target `%s' doesn't match the target pattern"), name
);
1971 /* If there are multiple targets, copy the chain DEPS for all but the
1972 last one. It is not safe for the same deps to go in more than one
1973 place in the database. */
1974 this = nextf
!= 0 ? copy_dep_chain (deps
) : deps
;
1976 /* Find or create an entry in the file database for this target. */
1979 /* Single-colon. Combine this rule with the file's existing record,
1981 f
= enter_file (strcache_add (name
));
1982 if (f
->double_colon
)
1984 _("target file `%s' has both : and :: entries"), f
->name
);
1986 /* If CMDS == F->CMDS, this target was listed in this rule
1987 more than once. Just give a warning since this is harmless. */
1988 if (cmds
!= 0 && cmds
== f
->cmds
)
1990 _("target `%s' given more than once in the same rule."),
1993 /* Check for two single-colon entries both with commands.
1994 Check is_target so that we don't lose on files such as .c.o
1995 whose commands were preinitialized. */
1996 else if (cmds
!= 0 && f
->cmds
!= 0 && f
->is_target
)
1998 error (&cmds
->fileinfo
,
1999 _("warning: overriding recipe for target `%s'"),
2001 error (&f
->cmds
->fileinfo
,
2002 _("warning: ignoring old recipe for target `%s'"),
2006 /* Defining .DEFAULT with no deps or cmds clears it. */
2007 if (f
== default_file
&& this == 0 && cmds
== 0)
2012 /* Defining .SUFFIXES with no dependencies clears out the list of
2014 if (f
== suffix_file
&& this == 0)
2016 free_dep_chain (f
->deps
);
2022 /* Double-colon. Make a new record even if there already is one. */
2023 f
= lookup_file (name
);
2025 /* Check for both : and :: rules. Check is_target so we don't lose
2026 on default suffix rules or makefiles. */
2027 if (f
!= 0 && f
->is_target
&& !f
->double_colon
)
2029 _("target file `%s' has both : and :: entries"), f
->name
);
2031 f
= enter_file (strcache_add (name
));
2032 /* If there was an existing entry and it was a double-colon entry,
2033 enter_file will have returned a new one, making it the prev
2034 pointer of the old one, and setting its double_colon pointer to
2036 if (f
->double_colon
== 0)
2037 /* This is the first entry for this name, so we must set its
2038 double_colon pointer to itself. */
2039 f
->double_colon
= f
;
2046 /* If this is a static pattern rule, set the stem to the part of its
2047 name that matched the `%' in the pattern, so you can use $* in the
2048 commands. If we didn't do it before, enter the prereqs now. */
2051 static const char *percent
= "%";
2052 char *buffer
= variable_expand ("");
2053 char *o
= patsubst_expand_pat (buffer
, name
, pattern
, percent
,
2054 pattern_percent
+1, percent
+1);
2055 f
->stem
= strcache_add_len (buffer
, o
- buffer
);
2058 if (! this->need_2nd_expansion
)
2059 this = enter_prereqs (this, f
->stem
);
2061 this->stem
= f
->stem
;
2065 /* Add the dependencies to this file entry. */
2068 /* Add the file's old deps and the new ones in THIS together. */
2073 struct dep
*d
= this;
2075 /* If this rule has commands, put these deps first. */
2076 while (d
->next
!= 0)
2084 struct dep
*d
= f
->deps
;
2086 /* A rule without commands: put its prereqs at the end. */
2087 while (d
->next
!= 0)
2096 /* All done! Set up for the next one. */
2102 /* Reduce escaped percents. If there are any unescaped it's an error */
2103 name
= filenames
->name
;
2104 if (find_percent_cached (&name
))
2105 fatal (flocp
, _("mixed implicit and normal rules"));
2109 /* Search STRING for an unquoted STOPCHAR or blank (if BLANK is nonzero).
2110 Backslashes quote STOPCHAR, blanks if BLANK is nonzero, and backslash.
2111 Quoting backslashes are removed from STRING by compacting it into
2112 itself. Returns a pointer to the first unquoted STOPCHAR if there is
2113 one, or nil if there are none. STOPCHARs inside variable references are
2114 ignored if IGNOREVARS is true.
2116 STOPCHAR _cannot_ be '$' if IGNOREVARS is true. */
2119 find_char_unquote (char *string
, int stop1
, int stop2
, int blank
,
2122 unsigned int string_len
= 0;
2131 while (*p
!= '\0' && *p
!= ignorevars
&& *p
!= stop1
&& *p
!= stop2
2132 && ! isblank ((unsigned char) *p
))
2135 while (*p
!= '\0' && *p
!= ignorevars
&& *p
!= stop1
&& *p
!= stop2
)
2138 while (*p
!= '\0' && *p
!= ignorevars
&& *p
!= stop1
2139 && ! isblank ((unsigned char) *p
))
2142 while (*p
!= '\0' && *p
!= ignorevars
&& *p
!= stop1
)
2148 /* If we stopped due to a variable reference, skip over its contents. */
2149 if (*p
== ignorevars
)
2151 char openparen
= p
[1];
2155 /* Skip the contents of a non-quoted, multi-char variable ref. */
2156 if (openparen
== '(' || openparen
== '{')
2158 unsigned int pcount
= 1;
2159 char closeparen
= (openparen
== '(' ? ')' : '}');
2163 if (*p
== openparen
)
2165 else if (*p
== closeparen
)
2175 /* Skipped the variable reference: look for STOPCHARS again. */
2179 if (p
> string
&& p
[-1] == '\\')
2181 /* Search for more backslashes. */
2183 while (&p
[i
] >= string
&& p
[i
] == '\\')
2186 /* Only compute the length if really needed. */
2187 if (string_len
== 0)
2188 string_len
= strlen (string
);
2189 /* The number of backslashes is now -I.
2190 Copy P over itself to swallow half of them. */
2191 memmove (&p
[i
], &p
[i
/2], (string_len
- (p
- string
)) - (i
/2) + 1);
2194 /* All the backslashes quoted each other; the STOPCHAR was
2198 /* The STOPCHAR was quoted by a backslash. Look for another. */
2201 /* No backslash in sight. */
2205 /* Never hit a STOPCHAR or blank (with BLANK nonzero). */
2209 /* Search PATTERN for an unquoted % and handle quoting. */
2212 find_percent (char *pattern
)
2214 return find_char_unquote (pattern
, '%', 0, 0, 0);
2217 /* Search STRING for an unquoted % and handle quoting. Returns a pointer to
2218 the % or NULL if no % was found.
2219 This version is used with strings in the string cache: if there's a need to
2220 modify the string a new version will be added to the string cache and
2221 *STRING will be set to that. */
2224 find_percent_cached (const char **string
)
2226 const char *p
= *string
;
2230 /* If the first char is a % return now. This lets us avoid extra tests
2237 while (*p
!= '\0' && *p
!= '%')
2243 /* See if this % is escaped with a backslash; if not we're done. */
2248 /* Search for more backslashes. */
2252 while (&p
[i
] >= *string
&& p
[i
] == '\\')
2256 /* At this point we know we'll need to allocate a new string.
2257 Make a copy if we haven't yet done so. */
2260 slen
= strlen (*string
);
2261 new = alloca (slen
+ 1);
2262 memcpy (new, *string
, slen
+ 1);
2263 p
= new + (p
- *string
);
2267 /* At this point *string, p, and new all point into the same string.
2268 Get a non-const version of p so we can modify new. */
2269 pv
= new + (p
- *string
);
2271 /* The number of backslashes is now -I.
2272 Copy P over itself to swallow half of them. */
2273 memmove (&pv
[i
], &pv
[i
/2], (slen
- (pv
- new)) - (i
/2) + 1);
2276 /* If the backslashes quoted each other; the % was unquoted. */
2282 /* If we had to change STRING, add it to the strcache. */
2285 *string
= strcache_add (*string
);
2286 p
= *string
+ (p
- new);
2289 /* If we didn't find a %, return NULL. Otherwise return a ptr to it. */
2290 return (*p
== '\0') ? NULL
: p
;
2293 /* Find the next line of text in an eval buffer, combining continuation lines
2295 Return the number of actual lines read (> 1 if continuation lines).
2296 Returns -1 if there's nothing left in the buffer.
2298 After this function, ebuf->buffer points to the first character of the
2302 /* Read a line of text from a STRING.
2303 Since we aren't really reading from a file, don't bother with linenumbers.
2306 static unsigned long
2307 readstring (struct ebuffer
*ebuf
)
2311 /* If there is nothing left in this buffer, return 0. */
2312 if (ebuf
->bufnext
>= ebuf
->bufstart
+ ebuf
->size
)
2315 /* Set up a new starting point for the buffer, and find the end of the
2316 next logical line (taking into account backslash/newline pairs). */
2318 eol
= ebuf
->buffer
= ebuf
->bufnext
;
2323 const char *bol
= eol
;
2326 /* Find the next newline. At EOS, stop. */
2327 p
= eol
= strchr (eol
, '\n');
2330 ebuf
->bufnext
= ebuf
->bufstart
+ ebuf
->size
+ 1;
2334 /* Found a newline; if it's escaped continue; else we're done. */
2335 while (p
> bol
&& *(--p
) == '\\')
2336 backslash
= !backslash
;
2342 /* Overwrite the newline char. */
2344 ebuf
->bufnext
= eol
+1;
2350 readline (struct ebuffer
*ebuf
)
2357 /* The behaviors between string and stream buffers are different enough to
2358 warrant different functions. Do the Right Thing. */
2361 return readstring (ebuf
);
2363 /* When reading from a file, we always start over at the beginning of the
2364 buffer for each new line. */
2366 p
= start
= ebuf
->bufstart
;
2367 end
= p
+ ebuf
->size
;
2370 while (fgets (p
, end
- p
, ebuf
->fp
) != 0)
2379 /* This only happens when the first thing on the line is a '\0'.
2380 It is a pretty hopeless case, but (wonder of wonders) Athena
2381 lossage strikes again! (xmkmf puts NULs in its makefiles.)
2382 There is nothing really to be done; we synthesize a newline so
2383 the following line doesn't appear to be part of this line. */
2385 _("warning: NUL character seen; rest of line ignored"));
2390 /* Jump past the text we just read. */
2393 /* If the last char isn't a newline, the whole line didn't fit into the
2394 buffer. Get some more buffer and try again. */
2398 /* We got a newline, so add one to the count of lines. */
2401 #if !defined(WINDOWS32) && !defined(__MSDOS__) && !defined(__EMX__)
2402 /* Check to see if the line was really ended with CRLF; if so ignore
2404 if ((p
- start
) > 1 && p
[-2] == '\r')
2412 for (p2
= p
- 2; p2
>= start
; --p2
)
2416 backslash
= !backslash
;
2425 /* It was a backslash/newline combo. If we have more space, read
2430 /* We need more space at the end of our buffer, so realloc it.
2431 Make sure to preserve the current offset of p. */
2434 unsigned long off
= p
- start
;
2436 start
= ebuf
->buffer
= ebuf
->bufstart
= xrealloc (start
, ebuf
->size
);
2438 end
= start
+ ebuf
->size
;
2443 if (ferror (ebuf
->fp
))
2444 pfatal_with_name (ebuf
->floc
.filenm
);
2446 /* If we found some lines, return how many.
2447 If we didn't, but we did find _something_, that indicates we read the last
2448 line of a file with no final newline; return 1.
2449 If we read nothing, we're at EOF; return -1. */
2451 return nlines
? nlines
: p
== ebuf
->bufstart
? -1 : 1;
2454 /* Parse the next "makefile word" from the input buffer, and return info
2457 A "makefile word" is one of:
2459 w_bogus Should never happen
2461 w_static A static word; cannot be expanded
2462 w_variable A word containing one or more variables/functions
2464 w_dcolon A double-colon
2465 w_semicolon A semicolon
2466 w_varassign A variable assignment operator (=, :=, +=, ?=, or !=)
2468 Note that this function is only used when reading certain parts of the
2469 makefile. Don't use it where special rules hold sway (RHS of a variable,
2470 in a command list, etc.) */
2472 static enum make_word_type
2473 get_next_mword (char *buffer
, char *delim
, char **startp
, unsigned int *length
)
2475 enum make_word_type wtype
= w_bogus
;
2476 char *p
= buffer
, *beg
;
2479 /* Skip any leading whitespace. */
2480 while (isblank ((unsigned char)*p
))
2492 wtype
= w_semicolon
;
2496 wtype
= w_varassign
;
2510 wtype
= w_varassign
;
2521 wtype
= w_varassign
;
2526 if (delim
&& strchr (delim
, c
))
2531 /* Did we find something? If so, return now. */
2532 if (wtype
!= w_bogus
)
2535 /* This is some non-operator word. A word consists of the longest
2536 string of characters that doesn't contain whitespace, one of [:=#],
2537 or [?+!]=, or one of the chars in the DELIM string. */
2539 /* We start out assuming a static word; if we see a variable we'll
2540 adjust our assumptions then. */
2543 /* We already found the first value of "c", above. */
2558 #ifdef HAVE_DOS_PATHS
2559 /* A word CAN include a colon in its drive spec. The drive
2560 spec is allowed either at the beginning of a word, or as part
2561 of the archive member name, like in "libfoo.a(d:/foo/bar.o)". */
2563 && (*p
== '/' || *p
== '\\') && isalpha ((unsigned char)p
[-2])
2564 && (p
- beg
== 2 || p
[-3] == '(')))
2573 /* This is a variable reference, so note that it's expandable.
2574 Then read it to the matching close paren. */
2582 /* This is a single-letter variable reference. */
2585 for (count
=0; *p
!= '\0'; ++p
)
2589 else if (*p
== closeparen
&& --count
< 0)
2616 if (delim
&& strchr (delim
, c
))
2634 /* Construct the list of include directories
2635 from the arguments and the default list. */
2638 construct_include_path (const char **arg_dirs
)
2640 #ifdef VAXC /* just don't ask ... */
2649 /* Compute the number of pointers we need in the table. */
2650 idx
= sizeof (default_include_directories
) / sizeof (const char *);
2652 for (cpp
= arg_dirs
; *cpp
!= 0; ++cpp
)
2656 /* Add one for $DJDIR. */
2660 dirs
= xmalloc (idx
* sizeof (const char *));
2665 /* First consider any dirs specified with -I switches.
2666 Ignore any that don't exist. Remember the maximum string length. */
2669 while (*arg_dirs
!= 0)
2671 const char *dir
= *(arg_dirs
++);
2677 expanded
= tilde_expand (dir
);
2682 EINTRLOOP (e
, stat (dir
, &stbuf
));
2683 if (e
== 0 && S_ISDIR (stbuf
.st_mode
))
2685 unsigned int len
= strlen (dir
);
2686 /* If dir name is written with trailing slashes, discard them. */
2687 while (len
> 1 && dir
[len
- 1] == '/')
2689 if (len
> max_incl_len
)
2691 dirs
[idx
++] = strcache_add_len (dir
, len
);
2698 /* Now add the standard default dirs at the end. */
2702 /* The environment variable $DJDIR holds the root of the DJGPP directory
2703 tree; add ${DJDIR}/include. */
2704 struct variable
*djdir
= lookup_variable ("DJDIR", 5);
2708 unsigned int len
= strlen (djdir
->value
) + 8;
2709 char *defdir
= alloca (len
+ 1);
2711 strcat (strcpy (defdir
, djdir
->value
), "/include");
2712 dirs
[idx
++] = strcache_add (defdir
);
2714 if (len
> max_incl_len
)
2720 for (cpp
= default_include_directories
; *cpp
!= 0; ++cpp
)
2724 EINTRLOOP (e
, stat (*cpp
, &stbuf
));
2725 if (e
== 0 && S_ISDIR (stbuf
.st_mode
))
2727 unsigned int len
= strlen (*cpp
);
2728 /* If dir name is written with trailing slashes, discard them. */
2729 while (len
> 1 && (*cpp
)[len
- 1] == '/')
2731 if (len
> max_incl_len
)
2733 dirs
[idx
++] = strcache_add_len (*cpp
, len
);
2739 /* Now add each dir to the .INCLUDE_DIRS variable. */
2741 for (cpp
= dirs
; *cpp
!= 0; ++cpp
)
2742 do_variable_definition (NILF
, ".INCLUDE_DIRS", *cpp
,
2743 o_default
, f_append
, 0);
2745 include_directories
= dirs
;
2748 /* Expand ~ or ~USER at the beginning of NAME.
2749 Return a newly malloc'd string or 0. */
2752 tilde_expand (const char *name
)
2755 if (name
[1] == '/' || name
[1] == '\0')
2757 extern char *getenv ();
2762 /* Turn off --warn-undefined-variables while we expand HOME. */
2763 int save
= warn_undefined_variables_flag
;
2764 warn_undefined_variables_flag
= 0;
2766 home_dir
= allocated_variable_expand ("$(HOME)");
2768 warn_undefined_variables_flag
= save
;
2771 is_variable
= home_dir
[0] != '\0';
2775 home_dir
= getenv ("HOME");
2777 # if !defined(_AMIGA) && !defined(WINDOWS32)
2778 if (home_dir
== 0 || home_dir
[0] == '\0')
2780 extern char *getlogin ();
2781 char *logname
= getlogin ();
2785 struct passwd
*p
= getpwnam (logname
);
2787 home_dir
= p
->pw_dir
;
2790 # endif /* !AMIGA && !WINDOWS32 */
2793 char *new = xstrdup (concat (2, home_dir
, name
+ 1));
2799 # if !defined(_AMIGA) && !defined(WINDOWS32)
2802 struct passwd
*pwent
;
2803 char *userend
= strchr (name
+ 1, '/');
2806 pwent
= getpwnam (name
+ 1);
2810 return xstrdup (pwent
->pw_dir
);
2812 return xstrdup (concat (3, pwent
->pw_dir
, "/", userend
+ 1));
2814 else if (userend
!= 0)
2817 # endif /* !AMIGA && !WINDOWS32 */
2822 /* Parse a string into a sequence of filenames represented as a chain of
2823 struct nameseq's and return that chain. Optionally expand the strings via
2826 The string is passed as STRINGP, the address of a string pointer.
2827 The string pointer is updated to point at the first character
2828 not parsed, which either is a null char or equals STOPCHAR.
2830 SIZE is how big to construct chain elements.
2831 This is useful if we want them actually to be other structures
2832 that have room for additional info.
2834 PREFIX, if non-null, is added to the beginning of each filename.
2836 FLAGS allows one or more of the following bitflags to be set:
2837 PARSEFS_NOSTRIP - Do no strip './'s off the beginning
2838 PARSEFS_NOAR - Do not check filenames for archive references
2839 PARSEFS_NOGLOB - Do not expand globbing characters
2840 PARSEFS_EXISTS - Only return globbed files that actually exist
2841 (cannot also set NOGLOB)
2842 PARSEFS_NOCACHE - Do not add filenames to the strcache (caller frees)
2846 parse_file_seq (char **stringp
, unsigned int size
, int stopchar
,
2847 const char *prefix
, int flags
)
2849 extern void dir_setup_glob (glob_t
*glob
);
2851 /* tmp points to tmpbuf after the prefix, if any.
2852 tp is the end of the buffer. */
2853 static char *tmpbuf
= NULL
;
2854 static int tmpbuf_len
= 0;
2856 int cachep
= (! (flags
& PARSEFS_NOCACHE
));
2858 struct nameseq
*new = 0;
2859 struct nameseq
**newp
= &new;
2860 #define NEWELT(_n) do { \
2861 const char *__n = (_n); \
2862 *newp = xcalloc (size); \
2863 (*newp)->name = (cachep ? strcache_add (__n) : xstrdup (__n)); \
2864 newp = &(*newp)->next; \
2872 # define VMS_COMMA ','
2874 # define VMS_COMMA 0
2877 if (size
< sizeof (struct nameseq
))
2878 size
= sizeof (struct nameseq
);
2880 if (! (flags
& PARSEFS_NOGLOB
))
2881 dir_setup_glob (&gl
);
2883 /* Get enough temporary space to construct the largest possible target. */
2885 int l
= strlen (*stringp
) + 1;
2888 tmpbuf
= xrealloc (tmpbuf
, l
);
2894 /* Parse STRING. P will always point to the end of the parsed content. */
2899 const char **nlist
= 0;
2909 /* Skip whitespace; at the end of the string or STOPCHAR we're done. */
2911 if (*p
== '\0' || *p
== stopchar
)
2914 /* There are names left, so find the end of the next name.
2915 Throughout this iteration S points to the start. */
2917 p
= find_char_unquote (p
, stopchar
, VMS_COMMA
, 1, 0);
2919 /* convert comma separated list to space separated */
2924 if (stopchar
== ':' && p
&& *p
== ':'
2925 && !(isspace ((unsigned char)p
[1]) || !p
[1]
2926 || isspace ((unsigned char)p
[-1])))
2927 p
= find_char_unquote (p
+1, stopchar
, VMS_COMMA
, 1, 0);
2929 #ifdef HAVE_DOS_PATHS
2930 /* For DOS paths, skip a "C:\..." or a "C:/..." until we find the
2931 first colon which isn't followed by a slash or a backslash.
2932 Note that tokens separated by spaces should be treated as separate
2933 tokens since make doesn't allow path names with spaces */
2934 if (stopchar
== ':')
2935 while (p
!= 0 && !isspace ((unsigned char)*p
) &&
2936 (p
[1] == '\\' || p
[1] == '/') && isalpha ((unsigned char)p
[-1]))
2937 p
= find_char_unquote (p
+ 1, stopchar
, VMS_COMMA
, 1, 0);
2942 /* Strip leading "this directory" references. */
2943 if (! (flags
& PARSEFS_NOSTRIP
))
2945 /* Skip leading `[]'s. */
2946 while (p
- s
> 2 && s
[0] == '[' && s
[1] == ']')
2948 /* Skip leading `./'s. */
2949 while (p
- s
> 2 && s
[0] == '.' && s
[1] == '/')
2952 /* Skip "./" and all following slashes. */
2958 /* Extract the filename just found, and skip it.
2959 Set NAME to the string, and NLEN to its length. */
2963 /* The name was stripped to empty ("./"). */
2966 #elif defined(_AMIGA)
2967 /* PDS-- This cannot be right!! */
2980 /* VMS filenames can have a ':' in them but they have to be '\'ed but we need
2981 * to remove this '\' before we can use the filename.
2982 * xstrdup called because S may be read-only string constant.
2987 if (s
[0] == '\\' && s
[1] == ':')
2995 memcpy (tp
, s
, nlen
);
3000 /* At this point, TP points to the element and NLEN is its length. */
3003 /* If this is the start of an archive group that isn't complete, set up
3004 to add the archive prefix for future files. A file list like:
3005 "libf.a(x.o y.o z.o)" needs to be expanded as:
3006 "libf.a(x.o) libf.a(y.o) libf.a(z.o)"
3008 TP == TMP means we're not already in an archive group. Ignore
3009 something starting with `(', as that cannot actually be an
3010 archive-member reference (and treating it as such results in an empty
3011 file name, which causes much lossage). Also if it ends in ")" then
3012 it's a complete reference so we don't need to treat it specially.
3014 Finally, note that archive groups must end with ')' as the last
3015 character, so ensure there's some word ending like that before
3016 considering this an archive group. */
3017 if (! (flags
& PARSEFS_NOAR
)
3018 && tp
== tmpbuf
&& tp
[0] != '(' && tp
[nlen
-1] != ')')
3020 char *n
= strchr (tp
, '(');
3023 /* This looks like the first element in an open archive group.
3024 A valid group MUST have ')' as the last character. */
3029 /* Find the end of this word. We don't want to unquote and
3030 we don't care about quoting since we're looking for the
3031 last char in the word. */
3032 while (*e
!= '\0' && *e
!= stopchar
&& *e
!= VMS_COMMA
3033 && ! isblank ((unsigned char) *e
))
3037 /* Found the end, so this is the first element in an
3038 open archive group. It looks like "lib(mem".
3039 Reset TP past the open paren. */
3040 nlen
-= (n
+ 1) - tp
;
3043 /* If we have just "lib(", part of something like
3044 "lib( a b)", go to the next item. */
3048 /* We can stop looking now. */
3056 /* If we are inside an archive group, make sure it has an end. */
3059 if (tp
[nlen
-1] == ')')
3061 /* This is the natural end; reset TP. */
3064 /* This is just ")", something like "lib(a b )": skip it. */
3070 /* Not the end, so add a "fake" end. */
3077 /* If we're not globbing we're done: add it to the end of the chain.
3078 Go to the next item in the string. */
3079 if (flags
& PARSEFS_NOGLOB
)
3081 NEWELT (concat (2, prefix
, tmpbuf
));
3085 /* If we get here we know we're doing glob expansion.
3086 TP is a string in tmpbuf. NLEN is no longer used.
3087 We may need to do more work: after this NAME will be set. */
3090 /* Expand tilde if applicable. */
3091 if (tmpbuf
[0] == '~')
3093 tildep
= tilde_expand (tmpbuf
);
3099 /* If NAME is an archive member reference replace it with the archive
3100 file name, and save the member name in MEMNAME. We will glob on the
3101 archive name and then reattach MEMNAME later. */
3102 if (! (flags
& PARSEFS_NOAR
) && ar_name (name
))
3104 ar_parse_name (name
, &arname
, &memname
);
3107 #endif /* !NO_ARCHIVES */
3109 switch (glob (name
, GLOB_NOSORT
|GLOB_ALTDIRFUNC
, NULL
, &gl
))
3112 fatal (NILF
, _("virtual memory exhausted"));
3117 nlist
= (const char **)gl
.gl_pathv
;
3121 /* If we want only existing items, skip this one. */
3122 if (flags
& PARSEFS_EXISTS
)
3130 /* By default keep this name. */
3136 /* For each matched element, add it to the list. */
3141 /* Try to glob on MEMNAME within the archive. */
3142 struct nameseq
*found
= ar_glob (nlist
[i
], memname
, size
);
3144 /* No matches. Use MEMNAME as-is. */
3145 NEWELT (concat (5, prefix
, nlist
[i
], "(", memname
, ")"));
3148 /* We got a chain of items. Attach them. */
3150 (*newp
)->next
= found
;
3154 /* Find and set the new end. Massage names if necessary. */
3158 found
->name
= xstrdup (concat (2, prefix
, name
));
3160 found
->name
= strcache_add (concat (2, prefix
, name
));
3162 if (found
->next
== 0)
3165 found
= found
->next
;
3167 newp
= &found
->next
;
3171 #endif /* !NO_ARCHIVES */
3172 NEWELT (concat (2, prefix
, nlist
[i
]));