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source: kBuild/trunk/src/kmk/makeint.h@ 3316

Last change on this file since 3316 was 3273, checked in by bird, 6 years ago

kmk: OS/2 build fixes

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1/* Miscellaneous global declarations and portability cruft for GNU Make.
2Copyright (C) 1988-2016 Free Software Foundation, Inc.
3This file is part of GNU Make.
4
5GNU Make is free software; you can redistribute it and/or modify it under the
6terms of the GNU General Public License as published by the Free Software
7Foundation; either version 3 of the License, or (at your option) any later
8version.
9
10GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
11WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13
14You should have received a copy of the GNU General Public License along with
15this program. If not, see <http://www.gnu.org/licenses/>. */
16
17/* We use <config.h> instead of "config.h" so that a compilation
18 using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
19 (which it would do because makeint.h was found in $srcdir). */
20#include <config.h>
21#undef HAVE_CONFIG_H
22#define HAVE_CONFIG_H 1
23
24#include <k/kDefs.h> /* bird */
25
26/* Specify we want GNU source code. This must be defined before any
27 system headers are included. */
28
29#define _GNU_SOURCE 1
30
31/* AIX requires this to be the first thing in the file. */
32#if HAVE_ALLOCA_H
33# include <alloca.h>
34#else
35# ifdef _AIX
36 #pragma alloca
37# else
38# if !defined(__GNUC__) && !defined(WINDOWS32)
39# ifndef alloca /* predefined by HP cc +Olibcalls */
40char *alloca ();
41# endif
42# endif
43# endif
44#endif
45
46/* Disable assert() unless we're a maintainer.
47 Some asserts are compute-intensive. */
48#ifndef MAKE_MAINTAINER_MODE
49# define NDEBUG 1
50#endif
51
52/* Include the externally-visible content.
53 Be sure to use the local one, and not one installed on the system.
54 Define GMK_BUILDING_MAKE for proper selection of dllexport/dllimport
55 declarations for MS-Windows. */
56#ifdef WINDOWS32
57# define GMK_BUILDING_MAKE
58#endif
59#include "gnumake.h"
60
61#ifdef CRAY
62/* This must happen before #include <signal.h> so
63 that the declaration therein is changed. */
64# define signal bsdsignal
65#endif
66
67/* If we're compiling for the dmalloc debugger, turn off string inlining. */
68#if defined(HAVE_DMALLOC_H) && defined(__GNUC__)
69# define __NO_STRING_INLINES
70#endif
71
72#include <sys/types.h>
73#include <sys/stat.h>
74#include <signal.h>
75#include <stdio.h>
76#include <ctype.h>
77
78#ifdef HAVE_SYS_TIMEB_H
79/* SCO 3.2 "devsys 4.2" has a prototype for 'ftime' in <time.h> that bombs
80 unless <sys/timeb.h> has been included first. */
81# include <sys/timeb.h>
82#endif
83#if TIME_WITH_SYS_TIME
84# include <sys/time.h>
85# include <time.h>
86#else
87# if HAVE_SYS_TIME_H
88# include <sys/time.h>
89# else
90# include <time.h>
91# endif
92#endif
93
94#include <errno.h>
95
96#ifndef errno
97extern int errno;
98#endif
99
100#ifdef __VMS
101/* In strict ANSI mode, VMS compilers should not be defining the
102 VMS macro. Define it here instead of a bulk edit for the correct code.
103 */
104# ifndef VMS
105# define VMS
106# endif
107#endif
108
109#ifdef HAVE_UNISTD_H
110# include <unistd.h>
111/* Ultrix's unistd.h always defines _POSIX_VERSION, but you only get
112 POSIX.1 behavior with 'cc -YPOSIX', which predefines POSIX itself! */
113# if defined (_POSIX_VERSION) && !defined (ultrix) && !defined (VMS)
114# define POSIX 1
115# endif
116#endif
117
118/* Some systems define _POSIX_VERSION but are not really POSIX.1. */
119#if (defined (butterfly) || defined (__arm) || (defined (__mips) && defined (_SYSTYPE_SVR3)) || (defined (sequent) && defined (i386)))
120# undef POSIX
121#endif
122
123#if !defined (POSIX) && defined (_AIX) && defined (_POSIX_SOURCE)
124# define POSIX 1
125#endif
126
127#ifndef RETSIGTYPE
128# define RETSIGTYPE void
129#endif
130
131#ifndef sigmask
132# define sigmask(sig) (1 << ((sig) - 1))
133#endif
134
135#ifndef HAVE_SA_RESTART
136# define SA_RESTART 0
137#endif
138
139#ifdef HAVE_VFORK_H
140# include <vfork.h>
141#endif
142
143#ifdef HAVE_LIMITS_H
144# include <limits.h>
145#endif
146#ifdef HAVE_SYS_PARAM_H
147# include <sys/param.h>
148#endif
149
150#ifndef PATH_MAX
151# ifndef POSIX
152# define PATH_MAX MAXPATHLEN
153# endif
154#endif
155#ifndef MAXPATHLEN
156# define MAXPATHLEN 1024
157#endif
158
159#ifdef PATH_MAX
160# define GET_PATH_MAX PATH_MAX
161# define PATH_VAR(var) char var[PATH_MAX]
162#else
163# define NEED_GET_PATH_MAX 1
164# define GET_PATH_MAX (get_path_max ())
165# define PATH_VAR(var) char *var = alloca (GET_PATH_MAX)
166unsigned int get_path_max (void);
167#endif
168
169#if defined (KMK) || defined (CONFIG_WITH_VALUE_LENGTH) \
170 || defined (CONFIG_WITH_ALLOC_CACHES) \
171 || defined (CONFIG_WITH_STRCACHE2)
172# ifdef _MSC_VER
173# define MY_INLINE _inline static
174# elif defined(__GNUC__)
175# define MY_INLINE static __inline__
176# else
177# define MY_INLINE static
178# endif
179
180# ifdef __GNUC__
181# define MY_PREDICT_TRUE(expr) __builtin_expect(!!(expr), 1)
182# define MY_PREDICT_FALSE(expr) __builtin_expect(!!(expr), 0)
183# else
184# define MY_PREDICT_TRUE(expr) (expr)
185# define MY_PREDICT_FALSE(expr) (expr)
186# endif
187#endif
188
189#if defined (KMK) || defined (CONFIG_WITH_VALUE_LENGTH) \
190 || defined (CONFIG_WITH_STRCACHE2)
191# ifdef _MSC_VER
192# define MY_DBGBREAK __debugbreak()
193# elif defined(__GNUC__)
194# if defined(__i386__) || defined(__x86_64__)
195# define MY_DBGBREAK __asm__ __volatile__ ("int3")
196# else
197# define MY_DBGBREAK assert(0)
198# endif
199# else
200# define MY_DBGBREAK assert(0)
201# endif
202# ifndef NDEBUG
203# define MY_ASSERT_MSG(expr, printfargs) \
204 do { if (!(expr)) { printf printfargs; MY_DBGBREAK; } } while (0)
205# else
206# define MY_ASSERT_MSG(expr, printfargs) do { } while (0)
207# endif
208#endif
209
210#ifdef KMK
211/** @todo measure performance diff here! */
212# if 0 /* See if this speeds things up (Windows is doing this anyway, so,
213 we might as well try be consistent in speed + features). */
214# define MY_IS_BLANK(ch) ((ch) == ' ' || (ch) == '\t')
215# define MY_IS_BLANK_OR_EOS(ch) ((ch) == ' ' || (ch) == '\t' || (ch) == '\0')
216# else
217# define MY_IS_BLANK(ch) ISBLANK ((ch))
218# define MY_IS_BLANK_OR_EOS(ch) (ISBLANK ((ch)) || (ch) == '\0')
219# endif
220#endif
221
222#ifdef CONFIG_WITH_MAKE_STATS
223extern long make_stats_allocations;
224extern long make_stats_reallocations;
225extern unsigned long make_stats_allocated;
226extern unsigned long make_stats_ht_lookups;
227extern unsigned long make_stats_ht_collisions;
228
229# ifdef __APPLE__
230# include <malloc/malloc.h>
231# define SIZE_OF_HEAP_BLOCK(ptr) malloc_size(ptr)
232
233# elif defined(__linux__) /* glibc */
234# include <malloc.h>
235# define SIZE_OF_HEAP_BLOCK(ptr) malloc_usable_size(ptr)
236
237# elif defined(_MSC_VER) || defined(__OS2__)
238# define SIZE_OF_HEAP_BLOCK(ptr) _msize(ptr)
239
240# else
241# include <stdlib.h>
242# define SIZE_OF_HEAP_BLOCK(ptr) 0
243#endif
244
245# define MAKE_STATS_3(expr) do { expr; } while (0)
246# define MAKE_STATS_2(expr) do { expr; } while (0)
247# define MAKE_STATS(expr) do { expr; } while (0)
248#else
249# define MAKE_STATS_3(expr) do { } while (0)
250# define MAKE_STATS_2(expr) do { } while (0)
251# define MAKE_STATS(expr) do { } while (0)
252#endif
253
254/* bird - start */
255#ifdef _MSC_VER
256# include <intrin.h>
257# define CURRENT_CLOCK_TICK() __rdtsc()
258#else
259# define CURRENT_CLOCK_TICK() 0
260#endif
261
262#define COMMA ,
263#ifdef CONFIG_WITH_VALUE_LENGTH
264# define IF_WITH_VALUE_LENGTH(a_Expr) a_Expr
265# define IF_WITH_VALUE_LENGTH_PARAM(a_Expr) , a_Expr
266#else
267# define IF_WITH_VALUE_LENGTH(a_Expr)
268# define IF_WITH_VALUE_LENGTH_PARAM(a_Expr)
269#endif
270
271#ifdef CONFIG_WITH_ALLOC_CACHES
272# define IF_WITH_ALLOC_CACHES(a_Expr) a_Expr
273# define IF_WITH_ALLOC_CACHES_PARAM(a_Expr) , a_Expr
274#else
275# define IF_WITH_ALLOC_CACHES(a_Expr)
276# define IF_WITH_ALLOC_CACHES_PARAM(a_Expr)
277#endif
278
279#ifdef CONFIG_WITH_COMMANDS_FUNC
280# define IF_WITH_COMMANDS_FUNC(a_Expr) a_Expr
281# define IF_WITH_COMMANDS_FUNC_PARAM(a_Expr) , a_Expr
282#else
283# define IF_WITH_COMMANDS_FUNC(a_Expr)
284# define IF_WITH_COMMANDS_FUNC_PARAM(a_Expr)
285#endif
286
287/* bird - end */
288
289
290#ifndef CHAR_BIT
291# define CHAR_BIT 8
292#endif
293
294#ifndef USHRT_MAX
295# define USHRT_MAX 65535
296#endif
297
298/* Nonzero if the integer type T is signed.
299 Use <= to avoid GCC warnings about always-false expressions. */
300#define INTEGER_TYPE_SIGNED(t) ((t) -1 <= 0)
301
302/* The minimum and maximum values for the integer type T.
303 Use ~ (t) 0, not -1, for portability to 1's complement hosts. */
304#define INTEGER_TYPE_MINIMUM(t) \
305 (! INTEGER_TYPE_SIGNED (t) ? (t) 0 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))
306#define INTEGER_TYPE_MAXIMUM(t) (~ (t) 0 - INTEGER_TYPE_MINIMUM (t))
307
308#ifndef CHAR_MAX
309# define CHAR_MAX INTEGER_TYPE_MAXIMUM (char)
310#endif
311
312#ifdef STAT_MACROS_BROKEN
313# ifdef S_ISREG
314# undef S_ISREG
315# endif
316# ifdef S_ISDIR
317# undef S_ISDIR
318# endif
319#endif /* STAT_MACROS_BROKEN. */
320
321#ifndef S_ISREG
322# define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
323#endif
324#ifndef S_ISDIR
325# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
326#endif
327
328#ifdef VMS
329# include <fcntl.h>
330# include <types.h>
331# include <unixlib.h>
332# include <unixio.h>
333# include <perror.h>
334/* Needed to use alloca on VMS. */
335# include <builtins.h>
336
337extern int vms_use_mcr_command;
338extern int vms_always_use_cmd_file;
339extern int vms_gnv_shell;
340extern int vms_comma_separator;
341extern int vms_legacy_behavior;
342extern int vms_unix_simulation;
343#endif
344
345#ifndef __attribute__
346/* This feature is available in gcc versions 2.5 and later. */
347# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
348# define __attribute__(x)
349# endif
350/* The __-protected variants of 'format' and 'printf' attributes
351 are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
352# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
353# define __format__ format
354# define __printf__ printf
355# endif
356#endif
357#define UNUSED __attribute__ ((unused))
358
359#if defined (STDC_HEADERS) || defined (__GNU_LIBRARY__)
360# include <stdlib.h>
361# include <string.h>
362# define ANSI_STRING 1
363#else /* No standard headers. */
364# ifdef HAVE_STRING_H
365# include <string.h>
366# define ANSI_STRING 1
367# else
368# include <strings.h>
369# endif
370# ifdef HAVE_MEMORY_H
371# include <memory.h>
372# endif
373# ifdef HAVE_STDLIB_H
374# include <stdlib.h>
375# else
376void *malloc (int);
377void *realloc (void *, int);
378void free (void *);
379
380void abort (void) __attribute__ ((noreturn));
381void exit (int) __attribute__ ((noreturn));
382# endif /* HAVE_STDLIB_H. */
383
384#endif /* Standard headers. */
385
386/* These should be in stdlib.h. Make sure we have them. */
387#ifndef EXIT_SUCCESS
388# define EXIT_SUCCESS 0
389#endif
390#ifndef EXIT_FAILURE
391# define EXIT_FAILURE 1
392#endif
393
394#ifndef ANSI_STRING
395
396/* SCO Xenix has a buggy macro definition in <string.h>. */
397#undef strerror
398#if !defined(__DECC)
399char *strerror (int errnum);
400#endif
401
402#endif /* !ANSI_STRING. */
403#undef ANSI_STRING
404
405#if HAVE_INTTYPES_H
406# include <inttypes.h>
407#endif
408#if HAVE_STDINT_H
409# include <stdint.h>
410#endif
411#define FILE_TIMESTAMP uintmax_t
412
413#if !defined(HAVE_STRSIGNAL)
414char *strsignal (int signum);
415#endif
416
417/* ISDIGIT offers the following features:
418 - Its arg may be any int or unsigned int; it need not be an unsigned char.
419 - It's guaranteed to evaluate its argument exactly once.
420 NOTE! Make relies on this behavior, don't change it!
421 - It's typically faster.
422 POSIX 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that
423 only '0' through '9' are digits. Prefer ISDIGIT to isdigit() unless
424 it's important to use the locale's definition of 'digit' even when the
425 host does not conform to POSIX. */
426#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
427
428/* Test if two strings are equal. Is this worthwhile? Should be profiled. */
429#define streq(a, b) \
430 ((a) == (b) || \
431 (*(a) == *(b) && (*(a) == '\0' || !strcmp ((a) + 1, (b) + 1))))
432
433/* Test if two strings are equal, but match case-insensitively on systems
434 which have case-insensitive filesystems. Should only be used for
435 filenames! */
436#ifdef HAVE_CASE_INSENSITIVE_FS
437# define patheq(a, b) \
438 ((a) == (b) \
439 || (tolower((unsigned char)*(a)) == tolower((unsigned char)*(b)) \
440 && (*(a) == '\0' || !strcasecmp ((a) + 1, (b) + 1))))
441#else
442# define patheq(a, b) streq(a, b)
443#endif
444
445#define strneq(a, b, l) (strncmp ((a), (b), (l)) == 0)
446
447#if (defined(__GNUC__) || defined(ENUM_BITFIELDS)) && !defined(NO_ENUM_BITFIELDS) /* bird: NO_ENUM_BITFIELDS */
448# define ENUM_BITFIELD(bits) :bits
449#else
450# define ENUM_BITFIELD(bits)
451#endif
452
453/* Handle gettext and locales. */
454
455#if HAVE_LOCALE_H
456# include <locale.h>
457#else
458# define setlocale(category, locale)
459#endif
460
461#include <gettext.h>
462
463#define _(msgid) gettext (msgid)
464#define N_(msgid) gettext_noop (msgid)
465#define S_(msg1,msg2,num) ngettext (msg1,msg2,num)
466
467/* This is needed for getcwd() and chdir(), on some W32 systems. */
468#if defined(HAVE_DIRECT_H)
469# include <direct.h>
470#endif
471
472#ifdef WINDOWS32
473# include <fcntl.h>
474# include <malloc.h>
475# define pipe(_p) _pipe((_p), 512, O_BINARY)
476# ifndef CONFIG_NEW_WIN_CHILDREN /* (only used by commands.c) */
477# define kill(_pid,_sig) w32_kill((_pid),(_sig))
478# endif
479/* MSVC and Watcom C don't have ftruncate. */
480# if defined(_MSC_VER) || defined(__WATCOMC__)
481# define ftruncate(_fd,_len) _chsize(_fd,_len)
482# endif
483/* MinGW64 doesn't have _S_ISDIR. */
484# ifndef _S_ISDIR
485# define _S_ISDIR(m) S_ISDIR(m)
486# endif
487
488void sync_Path_environment (void);
489# ifndef CONFIG_NEW_WIN_CHILDREN /* (only used by commands.c) */
490int w32_kill (pid_t pid, int sig);
491# endif
492int find_and_set_default_shell (const char *token);
493
494/* indicates whether or not we have Bourne shell */
495extern int no_default_sh_exe;
496
497/* is default_shell unixy? */
498extern int unixy_shell;
499
500/* We don't have a preferred fixed value for LOCALEDIR. */
501# ifndef LOCALEDIR
502# define LOCALEDIR NULL
503# endif
504
505/* Include only the minimal stuff from windows.h. */
506# define WIN32_LEAN_AND_MEAN
507#endif /* WINDOWS32 */
508
509#define ANY_SET(_v,_m) (((_v)&(_m)) != 0)
510#define NONE_SET(_v,_m) (! ANY_SET ((_v),(_m)))
511
512#define MAP_NUL 0x0001
513#define MAP_BLANK 0x0002
514#define MAP_NEWLINE 0x0004
515#define MAP_COMMENT 0x0008
516#define MAP_SEMI 0x0010
517#define MAP_EQUALS 0x0020
518#define MAP_COLON 0x0040
519#define MAP_PERCENT 0x0080
520#define MAP_PIPE 0x0100
521#define MAP_DOT 0x0200
522#define MAP_COMMA 0x0400
523
524/* These are the valid characters for a user-defined function. */
525#define MAP_USERFUNC 0x2000
526/* This means not only a '$', but skip the variable reference. */
527#define MAP_VARIABLE 0x4000
528/* The set of characters which are directory separators is OS-specific. */
529#define MAP_DIRSEP 0x8000
530
531#ifdef VMS
532# define MAP_VMSCOMMA MAP_COMMA
533#else
534# define MAP_VMSCOMMA 0x0000
535#endif
536
537#define MAP_SPACE (MAP_BLANK|MAP_NEWLINE)
538
539/* Handle other OSs.
540 To overcome an issue parsing paths in a DOS/Windows environment when
541 built in a unix based environment, override the PATH_SEPARATOR_CHAR
542 definition unless being built for Cygwin. */
543#if defined(HAVE_DOS_PATHS) && !defined(__CYGWIN__)
544# undef PATH_SEPARATOR_CHAR
545# define PATH_SEPARATOR_CHAR ';'
546# define MAP_PATHSEP MAP_SEMI
547#elif !defined(PATH_SEPARATOR_CHAR)
548# if defined (VMS)
549# define PATH_SEPARATOR_CHAR (vms_comma_separator ? ',' : ':')
550# define MAP_PATHSEP (vms_comma_separator ? MAP_COMMA : MAP_SEMI)
551# else
552# define PATH_SEPARATOR_CHAR ':'
553# define MAP_PATHSEP MAP_COLON
554# endif
555#elif PATH_SEPARATOR_CHAR == ':'
556# define MAP_PATHSEP MAP_COLON
557#elif PATH_SEPARATOR_CHAR == ';'
558# define MAP_PATHSEP MAP_SEMI
559#elif PATH_SEPARATOR_CHAR == ','
560# define MAP_PATHSEP MAP_COMMA
561#else
562# error "Unknown PATH_SEPARATOR_CHAR"
563#endif
564
565#define STOP_SET(_v,_m) ANY_SET(stopchar_map[(unsigned char)(_v)],(_m))
566
567#define ISBLANK(c) STOP_SET((c),MAP_BLANK)
568#define ISSPACE(c) STOP_SET((c),MAP_SPACE)
569#define NEXT_TOKEN(s) while (ISSPACE (*(s))) ++(s)
570#define END_OF_TOKEN(s) while (! STOP_SET (*(s), MAP_SPACE|MAP_NUL)) ++(s)
571
572#if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT)
573# define SET_STACK_SIZE
574#endif
575#ifdef SET_STACK_SIZE
576# include <sys/resource.h>
577extern struct rlimit stack_limit;
578#endif
579
580#include "glob.h" /* bird double quotes */
581
582#define NILF ((floc *)0)
583
584#define CSTRLEN(_s) (sizeof (_s)-1)
585#define STRING_SIZE_TUPLE(_s) (_s), CSTRLEN(_s) /* The number of bytes needed to represent the largest integer as a string. */
586#define INTSTR_LENGTH CSTRLEN ("18446744073709551616")
587
588#define DEFAULT_TTYNAME "true"
589#ifdef HAVE_TTYNAME
590# define TTYNAME(_f) ttyname (_f)
591#else
592# define TTYNAME(_f) DEFAULT_TTYNAME
593#endif
594
595
596
597
598/* Specify the location of elements read from makefiles. */
599typedef struct
600 {
601 const char *filenm;
602 unsigned long lineno;
603 unsigned long offset;
604 } floc;
605
606#if defined (CONFIG_WITH_MATH) /* bird start */ \
607 || defined (CONFIG_WITH_NANOTS) \
608 || defined (CONFIG_WITH_FILE_SIZE) \
609 || defined (CONFIG_WITH_PRINT_TIME_SWITCH)
610# ifdef _MSC_VER
611typedef __int64 big_int;
612# define BIG_INT_C(c) (c ## LL)
613typedef unsigned __int64 big_uint;
614# define BIG_UINT_C(c) (c ## ULL)
615# else
616# include <stdint.h>
617typedef int64_t big_int;
618# define BIG_INT_C(c) INT64_C(c)
619typedef uint64_t big_uint;
620# define BIG_UINT_C(c) UINT64_C(c)
621# endif
622#endif /* bird end */
623
624const char *concat (unsigned int, ...);
625void message (int prefix, size_t length, const char *fmt, ...)
626 __attribute__ ((__format__ (__printf__, 3, 4)));
627void error (const floc *flocp, size_t length, const char *fmt, ...)
628 __attribute__ ((__format__ (__printf__, 3, 4)));
629void fatal (const floc *flocp, size_t length, const char *fmt, ...)
630 __attribute__ ((noreturn, __format__ (__printf__, 3, 4)));
631
632#define O(_t,_a,_f) _t((_a), 0, (_f))
633#define OS(_t,_a,_f,_s) _t((_a), strlen (_s), (_f), (_s))
634#define OSS(_t,_a,_f,_s1,_s2) _t((_a), strlen (_s1) + strlen (_s2), \
635 (_f), (_s1), (_s2))
636#define OSSS(_t,_a,_f,_s1,_s2,_s3) _t((_a), strlen (_s1) + strlen (_s2) + strlen (_s3), \
637 (_f), (_s1), (_s2), (_s3))
638#define ON(_t,_a,_f,_n) _t((_a), INTSTR_LENGTH, (_f), (_n))
639#define ONN(_t,_a,_f,_n1,_n2) _t((_a), INTSTR_LENGTH*2, (_f), (_n1), (_n2))
640
641#define OSN(_t,_a,_f,_s,_n) _t((_a), strlen (_s) + INTSTR_LENGTH, \
642 (_f), (_s), (_n))
643#define ONS(_t,_a,_f,_n,_s) _t((_a), INTSTR_LENGTH + strlen (_s), \
644 (_f), (_n), (_s))
645
646/* bird: more wrappers */
647#define OSNN(_t,_a,_f,_s,_n1,_n2) _t((_a), strlen (_s) + INTSTR_LENGTH + INTSTR_LENGTH, \
648 (_f), (_s), (_n1), (_n2)) /* bird */
649#define OSNS(_t,_a,_f,_s1,_n,_s2) _t((_a), strlen (_s1) + strlen (_s2) + INTSTR_LENGTH, \
650 (_f), (_s1), (_n), (_s2)) /* bird */
651#define OSSSS(_t,_a,_f,_s1,_s2,_s3,_s4) _t((_a), strlen (_s1) + strlen (_s2) + strlen (_s3) + strlen (_s4), \
652 (_f), (_s1), (_s2), (_s3), (_s4)) /* bird */
653#define OSSN(_t,_a,_f,_s1,_s2,_n) _t((_a), strlen (_s1) + strlen (_s2) + INTSTR_LENGTH, \
654 (_f), (_s1), (_s2), (_n)) /* bird */
655#define OSSNS(_t,_a,_f,_s1,_s2,_n,_s3) _t((_a), strlen (_s1) + strlen (_s2) + strlen (_s3) + INTSTR_LENGTH, \
656 (_f), (_s1), (_s2), (_n), (_s3)) /* bird */
657#define ONNS(_t,_a,_f,_n1,_n2,_s1) _t((_a), INTSTR_LENGTH * 2 + strlen (_s1), \
658 (_f), (_n1), (_n2), (_s1)) /* bird */
659#define ONNNS(_t,_a,_f,_n1,_n2,_n3,_s1) _t((_a), INTSTR_LENGTH * 3 + strlen (_s1), \
660 (_f), (_n1), (_n2), (_n3), (_s1)) /* bird */
661
662#define OUT_OF_MEM() O (fatal, NILF, _("virtual memory exhausted"))
663
664void die (int) __attribute__ ((noreturn));
665void pfatal_with_name (const char *) __attribute__ ((noreturn));
666void perror_with_name (const char *, const char *);
667#define xstrlen(_s) ((_s)==NULL ? 0 : strlen (_s))
668void *xmalloc (unsigned int);
669void *xcalloc (unsigned int);
670void *xrealloc (void *, unsigned int);
671char *xstrdup (const char *);
672char *xstrndup (const char *, unsigned int);
673#ifdef CONFIG_WITH_PRINT_STATS_SWITCH
674void print_heap_stats (void);
675#endif
676char *find_next_token (const char **, unsigned int *);
677char *next_token (const char *);
678char *end_of_token (const char *);
679#ifdef KMK
680char *find_next_token_eos (const char **ptr, const char *eos, unsigned int *lengthptr);
681#endif
682#ifndef CONFIG_WITH_VALUE_LENGTH
683void collapse_continuations (char *);
684#else
685char *collapse_continuations (char *, unsigned int);
686#endif
687#ifdef CONFIG_WITH_OPTIMIZATION_HACKS /* memchr is usually compiler intrinsic, thus faster. */
688# define lindex(s, limit, c) ((char *)memchr((s), (c), (limit) - (s)))
689#else
690char *lindex (const char *, const char *, int);
691#endif
692int alpha_compare (const void *, const void *);
693void print_spaces (unsigned int);
694char *find_percent (char *);
695const char *find_percent_cached (const char **);
696
697#ifndef NO_ARCHIVES
698int ar_name (const char *);
699void ar_parse_name (const char *, char **, char **);
700int ar_touch (const char *);
701time_t ar_member_date (const char *);
702
703typedef long int (*ar_member_func_t) (int desc, const char *mem, int truncated,
704 long int hdrpos, long int datapos,
705 long int size, long int date, int uid,
706 int gid, unsigned int mode,
707 const void *arg);
708
709long int ar_scan (const char *archive, ar_member_func_t function, const void *arg);
710int ar_name_equal (const char *name, const char *mem, int truncated);
711#ifndef VMS
712int ar_member_touch (const char *arname, const char *memname);
713#endif
714#endif
715
716int dir_file_exists_p (const char *, const char *);
717int file_exists_p (const char *);
718int file_impossible_p (const char *);
719void file_impossible (const char *);
720const char *dir_name (const char *);
721void print_dir_data_base (void);
722void dir_setup_glob (glob_t *);
723void hash_init_directories (void);
724#if defined (KMK) && defined (KBUILD_OS_WINDOWS)
725int utf16_regular_file_p(const wchar_t *pwszPath);
726#endif
727
728void define_default_variables (void);
729void undefine_default_variables (void);
730void set_default_suffixes (void);
731void install_default_suffix_rules (void);
732void install_default_implicit_rules (void);
733
734void build_vpath_lists (void);
735void construct_vpath_list (char *pattern, char *dirpath);
736const char *vpath_search (const char *file, FILE_TIMESTAMP *mtime_ptr,
737 unsigned int* vpath_index, unsigned int* path_index);
738int gpath_search (const char *file, unsigned int len);
739
740void construct_include_path (const char **arg_dirs);
741
742void user_access (void);
743void make_access (void);
744void child_access (void);
745
746char *strip_whitespace (const char **begpp, const char **endpp);
747
748void show_goal_error (void);
749
750
751#ifdef CONFIG_WITH_ALLOC_CACHES /* bird start */
752/* alloccache (misc.c) */
753
754struct alloccache_free_ent
755{
756 struct alloccache_free_ent *next;
757};
758
759struct alloccache
760{
761 char *free_start;
762 char *free_end;
763 struct alloccache_free_ent *free_head;
764 unsigned int size;
765 unsigned int total_count;
766 unsigned long alloc_count;
767 unsigned long free_count;
768 const char *name;
769 struct alloccache *next;
770 void *grow_arg;
771 void *(*grow_alloc)(void *grow_arg, unsigned int size);
772};
773
774void alloccache_init (struct alloccache *cache, unsigned int size, const char *name,
775 void *(*grow_alloc)(void *grow_arg, unsigned int size), void *grow_arg);
776void alloccache_term (struct alloccache *cache,
777 void (*term_free)(void *term_arg, void *ptr, unsigned int size), void *term_arg);
778void alloccache_join (struct alloccache *cache, struct alloccache *eat);
779void alloccache_print (struct alloccache *cache);
780void alloccache_print_all (void);
781struct alloccache_free_ent *alloccache_alloc_grow (struct alloccache *cache);
782void alloccache_free (struct alloccache *cache, void *item);
783
784/* Allocate an item. */
785MY_INLINE void *
786alloccache_alloc (struct alloccache *cache)
787{
788 struct alloccache_free_ent *f;
789# ifndef CONFIG_WITH_ALLOCCACHE_DEBUG
790 f = cache->free_head;
791 if (f)
792 cache->free_head = f->next;
793 else if (cache->free_start != cache->free_end)
794 {
795 f = (struct alloccache_free_ent *)cache->free_start;
796 cache->free_start += cache->size;
797 }
798 else
799# endif
800 f = alloccache_alloc_grow (cache);
801 MAKE_STATS(cache->alloc_count++;);
802 return f;
803}
804
805/* Allocate a cleared item. */
806MY_INLINE void *
807alloccache_calloc (struct alloccache *cache)
808{
809 void *item = alloccache_alloc (cache);
810 memset (item, '\0', cache->size);
811 return item;
812}
813
814
815/* the alloc caches */
816extern struct alloccache dep_cache;
817extern struct alloccache goaldep_cache;
818extern struct alloccache nameseq_cache;
819extern struct alloccache file_cache;
820extern struct alloccache commands_cache;
821extern struct alloccache variable_cache;
822extern struct alloccache variable_set_cache;
823extern struct alloccache variable_set_list_cache;
824
825#endif /* CONFIG_WITH_ALLOC_CACHES - bird end*/
826
827
828/* String caching */
829void strcache_init (void);
830void strcache_print_stats (const char *prefix);
831#ifndef CONFIG_WITH_STRCACHE2 /* bird */
832int strcache_iscached (const char *str);
833const char *strcache_add (const char *str);
834const char *strcache_add_len (const char *str, unsigned int len);
835#else /* CONFIG_WITH_STRCACHE2 */
836
837# include "strcache2.h"
838extern struct strcache2 file_strcache;
839extern const char *suffixes_strcached;
840
841# define strcache_iscached(str) strcache2_is_cached(&file_strcache, str)
842# define strcache_add(str) strcache2_add_file(&file_strcache, str, strlen (str))
843# define strcache_add_len(str, len) strcache2_add_file(&file_strcache, str, len)
844# define strcache_get_len(str) strcache2_get_len(&file_strcache, str) /* FIXME: replace this and related checks ... */
845
846#endif /* CONFIG_WITH_STRCACHE2 */
847
848/* Guile support */
849int guile_gmake_setup (const floc *flocp);
850
851/* Loadable object support. Sets to the strcached name of the loaded file. */
852typedef int (*load_func_t)(const floc *flocp);
853int load_file (const floc *flocp, const char **filename, int noerror);
854void unload_file (const char *name);
855
856/* We omit these declarations on non-POSIX systems which define _POSIX_VERSION,
857 because such systems often declare them in header files anyway. */
858
859#if !defined (__GNU_LIBRARY__) && !defined (POSIX) && !defined (_POSIX_VERSION) && !defined(WINDOWS32)
860
861long int atol ();
862# ifndef VMS
863long int lseek ();
864# endif
865
866# ifdef HAVE_GETCWD
867# if !defined(VMS) && !defined(__DECC) && !defined(_MSC_VER) /* bird: MSC */
868char *getcwd ();
869# endif
870# else
871char *getwd ();
872# define getcwd(buf, len) getwd (buf)
873# endif
874
875#endif /* Not GNU C library or POSIX. */
876
877#if !HAVE_STRCASECMP
878# if HAVE_STRICMP
879# define strcasecmp stricmp
880# elif HAVE_STRCMPI
881# define strcasecmp strcmpi
882# else
883/* Create our own, in misc.c */
884int strcasecmp (const char *s1, const char *s2);
885# endif
886#endif
887
888#if !HAVE_STRNCASECMP
889# if HAVE_STRNICMP
890# define strncasecmp strnicmp
891# elif HAVE_STRNCMPI
892# define strncasecmp strncmpi
893# else
894/* Create our own, in misc.c */
895int strncasecmp (const char *s1, const char *s2, int n);
896# endif
897#endif
898
899#define OUTPUT_SYNC_NONE 0
900#define OUTPUT_SYNC_LINE 1
901#define OUTPUT_SYNC_TARGET 2
902#define OUTPUT_SYNC_RECURSE 3
903
904#if !defined(_MSC_VER) /* bird */
905/* Non-GNU systems may not declare this in unistd.h. */
906extern char **environ;
907#endif
908
909extern const floc *reading_file;
910extern const floc **expanding_var;
911
912extern unsigned short stopchar_map[];
913
914extern int just_print_flag, silent_flag, ignore_errors_flag, keep_going_flag;
915extern int print_data_base_flag, question_flag, touch_flag, always_make_flag;
916extern int env_overrides, no_builtin_rules_flag, no_builtin_variables_flag;
917extern int print_version_flag, print_directory_flag, check_symlink_flag;
918extern int warn_undefined_variables_flag, trace_flag, posix_pedantic;
919extern int not_parallel, second_expansion, clock_skew_detected;
920extern int rebuilding_makefiles, one_shell, output_sync, verify_flag;
921
922#ifdef CONFIG_WITH_2ND_TARGET_EXPANSION /* bird start */
923extern int second_target_expansion;
924#endif
925#ifdef CONFIG_PRETTY_COMMAND_PRINTING
926extern int pretty_command_printing;
927#endif
928#ifdef CONFIG_WITH_PRINT_TIME_SWITCH
929extern int print_time_min, print_time_width;
930#endif
931#if defined (CONFIG_WITH_MAKE_STATS) || defined (CONFIG_WITH_MINIMAL_STATS)
932extern int make_expensive_statistics;
933#endif /* bird end */
934
935extern const char *default_shell;
936
937/* can we run commands via 'sh -c xxx' or must we use batch files? */
938extern int batch_mode_shell;
939
940/* Resetting the command script introduction prefix character. */
941#define RECIPEPREFIX_NAME ".RECIPEPREFIX"
942#define RECIPEPREFIX_DEFAULT '\t'
943extern char cmd_prefix;
944
945extern unsigned int job_slots;
946#ifndef NO_FLOAT
947extern double max_load_average;
948#else
949extern int max_load_average;
950#endif
951
952#ifdef WINDOWS32
953extern char *program;
954#else
955extern const char *program;
956#endif
957
958#ifdef VMS
959const char *vms_command (const char *argv0);
960const char *vms_progname (const char *argv0);
961
962void vms_exit (int);
963# define _exit(foo) vms_exit(foo)
964# define exit(foo) vms_exit(foo)
965
966extern char *program_name;
967
968void
969set_program_name (const char *arv0);
970
971int
972need_vms_symbol (void);
973
974int
975create_foreign_command (const char *command, const char *image);
976
977int
978vms_export_dcl_symbol (const char *name, const char *value);
979
980int
981vms_putenv_symbol (const char *string);
982
983void
984vms_restore_symbol (const char *string);
985
986#endif
987
988void remote_setup (void);
989void remote_cleanup (void);
990int start_remote_job_p (int);
991int start_remote_job (char **, char **, int, int *, int *, int *);
992int remote_status (int *, int *, int *, int);
993void block_remote_children (void);
994void unblock_remote_children (void);
995int remote_kill (int id, int sig);
996void print_variable_data_base (void);
997void print_vpath_data_base (void);
998
999extern char *starting_directory;
1000extern unsigned int makelevel;
1001extern char *version_string, *remote_description, *make_host;
1002
1003extern unsigned int commands_started;
1004
1005extern int handling_fatal_signal;
1006
1007
1008#ifndef MIN
1009#define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))
1010#endif
1011#ifndef MAX
1012#define MAX(_a,_b) ((_a)>(_b)?(_a):(_b))
1013#endif
1014
1015
1016#define MAKE_SUCCESS 0
1017#define MAKE_TROUBLE 1
1018#define MAKE_FAILURE 2
1019
1020/* Set up heap debugging library dmalloc. */
1021
1022#ifdef HAVE_DMALLOC_H
1023#include <dmalloc.h>
1024#endif
1025
1026#ifndef initialize_main
1027# ifdef __EMX__
1028# define initialize_main(pargc, pargv) \
1029 { _wildcard(pargc, pargv); _response(pargc, pargv); }
1030# else
1031# define initialize_main(pargc, pargv)
1032# endif
1033#endif
1034
1035#ifdef __EMX__
1036# if !defined chdir
1037# define chdir _chdir2
1038# endif
1039# if !defined getcwd
1040# define getcwd _getcwd2
1041# endif
1042
1043/* NO_CHDIR2 causes make not to use _chdir2() and _getcwd2() instead of
1044 chdir() and getcwd(). This avoids some error messages for the
1045 make testsuite but restricts the drive letter support. */
1046# ifdef NO_CHDIR2
1047# warning NO_CHDIR2: usage of drive letters restricted
1048# undef chdir
1049# undef getcwd
1050# endif
1051#endif
1052
1053#ifndef initialize_main
1054# define initialize_main(pargc, pargv)
1055#endif
1056
1057
1058/* Some systems (like Solaris, PTX, etc.) do not support the SA_RESTART flag
1059 properly according to POSIX. So, we try to wrap common system calls with
1060 checks for EINTR. Note that there are still plenty of system calls that
1061 can fail with EINTR but this, reportedly, gets the vast majority of
1062 failure cases. If you still experience failures you'll need to either get
1063 a system where SA_RESTART works, or you need to avoid -j. */
1064
1065#define EINTRLOOP(_v,_c) while (((_v)=_c)==-1 && errno==EINTR)
1066
1067/* While system calls that return integers are pretty consistent about
1068 returning -1 on failure and setting errno in that case, functions that
1069 return pointers are not always so well behaved. Sometimes they return
1070 NULL for expected behavior: one good example is readdir() which returns
1071 NULL at the end of the directory--and _doesn't_ reset errno. So, we have
1072 to do it ourselves here. */
1073
1074#define ENULLLOOP(_v,_c) do { errno = 0; (_v) = _c; } \
1075 while((_v)==0 && errno==EINTR)
1076
1077
1078#if defined(__EMX__) && defined(CONFIG_WITH_OPTIMIZATION_HACKS) /* bird: saves 40-100ms on libc. */
1079static inline void *__my_rawmemchr (const void *__s, int __c);
1080#undef strchr
1081#define strchr(s, c) \
1082 (__extension__ (__builtin_constant_p (c) \
1083 ? ((c) == '\0' \
1084 ? (char *) __my_rawmemchr ((s), (c)) \
1085 : __my_strchr_c ((s), ((c) & 0xff) << 8)) \
1086 : __my_strchr_g ((s), (c))))
1087static inline char *__my_strchr_c (const char *__s, int __c)
1088{
1089 register unsigned long int __d0;
1090 register char *__res;
1091 __asm__ __volatile__
1092 ("1:\n\t"
1093 "movb (%0),%%al\n\t"
1094 "cmpb %%ah,%%al\n\t"
1095 "je 2f\n\t"
1096 "leal 1(%0),%0\n\t"
1097 "testb %%al,%%al\n\t"
1098 "jne 1b\n\t"
1099 "xorl %0,%0\n"
1100 "2:"
1101 : "=r" (__res), "=&a" (__d0)
1102 : "0" (__s), "1" (__c),
1103 "m" ( *(struct { char __x[0xfffffff]; } *)__s)
1104 : "cc");
1105 return __res;
1106}
1107
1108static inline char *__my_strchr_g (__const char *__s, int __c)
1109{
1110 register unsigned long int __d0;
1111 register char *__res;
1112 __asm__ __volatile__
1113 ("movb %%al,%%ah\n"
1114 "1:\n\t"
1115 "movb (%0),%%al\n\t"
1116 "cmpb %%ah,%%al\n\t"
1117 "je 2f\n\t"
1118 "leal 1(%0),%0\n\t"
1119 "testb %%al,%%al\n\t"
1120 "jne 1b\n\t"
1121 "xorl %0,%0\n"
1122 "2:"
1123 : "=r" (__res), "=&a" (__d0)
1124 : "0" (__s), "1" (__c),
1125 "m" ( *(struct { char __x[0xfffffff]; } *)__s)
1126 : "cc");
1127 return __res;
1128}
1129
1130static inline void *__my_rawmemchr (const void *__s, int __c)
1131{
1132 register unsigned long int __d0;
1133 register unsigned char *__res;
1134 __asm__ __volatile__
1135 ("cld\n\t"
1136 "repne; scasb\n\t"
1137 : "=D" (__res), "=&c" (__d0)
1138 : "a" (__c), "0" (__s), "1" (0xffffffff),
1139 "m" ( *(struct { char __x[0xfffffff]; } *)__s)
1140 : "cc");
1141 return __res - 1;
1142}
1143
1144#undef memchr
1145#define memchr(a,b,c) __my_memchr((a),(b),(c))
1146static inline void *__my_memchr (__const void *__s, int __c, size_t __n)
1147{
1148 register unsigned long int __d0;
1149 register unsigned char *__res;
1150 if (__n == 0)
1151 return NULL;
1152 __asm__ __volatile__
1153 ("repne; scasb\n\t"
1154 "je 1f\n\t"
1155 "movl $1,%0\n"
1156 "1:"
1157 : "=D" (__res), "=&c" (__d0)
1158 : "a" (__c), "0" (__s), "1" (__n),
1159 "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
1160 : "cc");
1161 return __res - 1;
1162}
1163
1164#endif /* __EMX__ (bird) */
1165
1166#ifdef CONFIG_WITH_IF_CONDITIONALS
1167extern int expr_eval_if_conditionals(const char *line, const floc *flocp);
1168extern char *expr_eval_to_string(char *o, const char *expr);
1169#endif
1170
1171#ifdef KMK
1172extern char *abspath(const char *name, char *apath);
1173extern char *func_breakpoint(char *o, char **argv, const char *funcname);
1174# ifdef KBUILD_OS_WINDOWS
1175extern void dir_cache_invalid_after_job (void);
1176extern void dir_cache_invalid_all (void);
1177extern void dir_cache_invalid_missing (void);
1178extern int dir_cache_volatile_dir (const char *dir);
1179extern int dir_cache_deleted_directory(const char *pszDir);
1180# endif
1181#endif
1182
1183#if defined (CONFIG_WITH_NANOTS) || defined (CONFIG_WITH_PRINT_TIME_SWITCH) || defined(CONFIG_WITH_KMK_BUILTIN_STATS)
1184/* misc.c */
1185extern big_int nano_timestamp (void);
1186extern int format_elapsed_nano (char *buf, size_t size, big_int ts);
1187#endif
1188
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