makeint.h@ 3156

Last change on this file since 3156 was 3156, checked in by bird, 7 years ago
kmk/win: Reworking child process handling. This effort will hopefully handle processor groups better and allow executing internal function off the main thread.
Property svn:eol-style set to `native`
File size: 33.8 KB

Line
1	/* Miscellaneous global declarations and portability cruft for GNU Make.
2	Copyright (C) 1988-2016 Free Software Foundation, Inc.
3	This file is part of GNU Make.
4
5	GNU Make is free software; you can redistribute it and/or modify it under the
6	terms of the GNU General Public License as published by the Free Software
7	Foundation; either version 3 of the License, or (at your option) any later
8	version.
9
10	GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
11	WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12	A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13
14	You should have received a copy of the GNU General Public License along with
15	this 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 */
40	char *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
97	extern 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)
166	unsigned 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
223	extern long make_stats_allocations;
224	extern long make_stats_reallocations;
225	extern unsigned long make_stats_allocated;
226	extern unsigned long make_stats_ht_lookups;
227	extern 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
337	extern int vms_use_mcr_command;
338	extern int vms_always_use_cmd_file;
339	extern int vms_gnv_shell;
340	extern int vms_comma_separator;
341	extern int vms_legacy_behavior;
342	extern 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
376	void *malloc (int);
377	void realloc (void , int);
378	void free (void *);
379
380	void abort (void) __attribute__ ((noreturn));
381	void 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)
399	char *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)
414	char *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
488	void sync_Path_environment (void);
489	# ifndef CONFIG_NEW_WIN_CHILDREN /* (only used by commands.c) */
490	int w32_kill (pid_t pid, int sig);
491	# endif
492	int find_and_set_default_shell (const char *token);
493
494	/* indicates whether or not we have Bourne shell */
495	extern int no_default_sh_exe;
496
497	/* is default_shell unixy? */
498	extern 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>
577	extern 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. */
599	typedef 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
611	typedef __int64 big_int;
612	# define BIG_INT_C(c) (c ## LL)
613	typedef unsigned __int64 big_uint;
614	# define BIG_UINT_C(c) (c ## ULL)
615	# else
616	# include <stdint.h>
617	typedef int64_t big_int;
618	# define BIG_INT_C(c) INT64_C(c)
619	typedef uint64_t big_uint;
620	# define BIG_UINT_C(c) UINT64_C(c)
621	# endif
622	#endif /* bird end */
623
624	const char *concat (unsigned int, ...);
625	void message (int prefix, size_t length, const char *fmt, ...)
626	__attribute__ ((__format__ (__printf__, 3, 4)));
627	void error (const floc flocp, size_t length, const char fmt, ...)
628	__attribute__ ((__format__ (__printf__, 3, 4)));
629	void 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 OSSNS(_t,_a,_f,_s1,_s2,_n,_s3) _t((_a), strlen (_s1) + strlen (_s2) + strlen (_s3) + INTSTR_LENGTH, \
654	(_f), (_s1), (_s2), (_n), (_s3)) /* bird */
655
656	#define OUT_OF_MEM() O (fatal, NILF, _("virtual memory exhausted"))
657
658	void die (int) __attribute__ ((noreturn));
659	void pfatal_with_name (const char *) __attribute__ ((noreturn));
660	void perror_with_name (const char , const char );
661	#define xstrlen(_s) ((_s)==NULL ? 0 : strlen (_s))
662	void *xmalloc (unsigned int);
663	void *xcalloc (unsigned int);
664	void xrealloc (void , unsigned int);
665	char xstrdup (const char );
666	char xstrndup (const char , unsigned int);
667	#ifdef CONFIG_WITH_PRINT_STATS_SWITCH
668	void print_heap_stats (void);
669	#endif
670	char find_next_token (const char , unsigned int );
671	char next_token (const char );
672	char end_of_token (const char );
673	#ifdef KMK
674	char find_next_token_eos (const char ptr, const char eos, unsigned int *lengthptr);
675	#endif
676	#ifndef CONFIG_WITH_VALUE_LENGTH
677	void collapse_continuations (char *);
678	#else
679	char collapse_continuations (char , unsigned int);
680	#endif
681	#ifdef CONFIG_WITH_OPTIMIZATION_HACKS /* memchr is usually compiler intrinsic, thus faster. */
682	# define lindex(s, limit, c) ((char *)memchr((s), (c), (limit) - (s)))
683	#else
684	char lindex (const char , const char *, int);
685	#endif
686	int alpha_compare (const void , const void );
687	void print_spaces (unsigned int);
688	char find_percent (char );
689	const char find_percent_cached (const char *);
690
691	#ifndef NO_ARCHIVES
692	int ar_name (const char *);
693	void ar_parse_name (const char , char , char *);
694	int ar_touch (const char *);
695	time_t ar_member_date (const char *);
696
697	typedef long int (ar_member_func_t) (int desc, const char mem, int truncated,
698	long int hdrpos, long int datapos,
699	long int size, long int date, int uid,
700	int gid, unsigned int mode,
701	const void *arg);
702
703	long int ar_scan (const char archive, ar_member_func_t function, const void arg);
704	int ar_name_equal (const char name, const char mem, int truncated);
705	#ifndef VMS
706	int ar_member_touch (const char arname, const char memname);
707	#endif
708	#endif
709
710	int dir_file_exists_p (const char , const char );
711	int file_exists_p (const char *);
712	int file_impossible_p (const char *);
713	void file_impossible (const char *);
714	const char dir_name (const char );
715	void print_dir_data_base (void);
716	void dir_setup_glob (glob_t *);
717	void hash_init_directories (void);
718
719	void define_default_variables (void);
720	void undefine_default_variables (void);
721	void set_default_suffixes (void);
722	void install_default_suffix_rules (void);
723	void install_default_implicit_rules (void);
724
725	void build_vpath_lists (void);
726	void construct_vpath_list (char pattern, char dirpath);
727	const char vpath_search (const char file, FILE_TIMESTAMP *mtime_ptr,
728	unsigned int* vpath_index, unsigned int* path_index);
729	int gpath_search (const char *file, unsigned int len);
730
731	void construct_include_path (const char **arg_dirs);
732
733	void user_access (void);
734	void make_access (void);
735	void child_access (void);
736
737	char strip_whitespace (const char begpp, const char *endpp);
738
739	void show_goal_error (void);
740
741
742	#ifdef CONFIG_WITH_ALLOC_CACHES /* bird start */
743	/* alloccache (misc.c) */
744
745	struct alloccache_free_ent
746	{
747	struct alloccache_free_ent *next;
748	};
749
750	struct alloccache
751	{
752	char *free_start;
753	char *free_end;
754	struct alloccache_free_ent *free_head;
755	unsigned int size;
756	unsigned int total_count;
757	unsigned long alloc_count;
758	unsigned long free_count;
759	const char *name;
760	struct alloccache *next;
761	void *grow_arg;
762	void (grow_alloc)(void *grow_arg, unsigned int size);
763	};
764
765	void alloccache_init (struct alloccache cache, unsigned int size, const char name,
766	void (grow_alloc)(void grow_arg, unsigned int size), void grow_arg);
767	void alloccache_term (struct alloccache *cache,
768	void (term_free)(void term_arg, void ptr, unsigned int size), void term_arg);
769	void alloccache_join (struct alloccache cache, struct alloccache eat);
770	void alloccache_print (struct alloccache *cache);
771	void alloccache_print_all (void);
772	struct alloccache_free_ent alloccache_alloc_grow (struct alloccache cache);
773	void alloccache_free (struct alloccache cache, void item);
774
775	/* Allocate an item. */
776	MY_INLINE void *
777	alloccache_alloc (struct alloccache *cache)
778	{
779	struct alloccache_free_ent *f;
780	# ifndef CONFIG_WITH_ALLOCCACHE_DEBUG
781	f = cache->free_head;
782	if (f)
783	cache->free_head = f->next;
784	else if (cache->free_start != cache->free_end)
785	{
786	f = (struct alloccache_free_ent *)cache->free_start;
787	cache->free_start += cache->size;
788	}
789	else
790	# endif
791	f = alloccache_alloc_grow (cache);
792	MAKE_STATS(cache->alloc_count++;);
793	return f;
794	}
795
796	/* Allocate a cleared item. */
797	MY_INLINE void *
798	alloccache_calloc (struct alloccache *cache)
799	{
800	void *item = alloccache_alloc (cache);
801	memset (item, '\0', cache->size);
802	return item;
803	}
804
805
806	/* the alloc caches */
807	extern struct alloccache dep_cache;
808	extern struct alloccache goaldep_cache;
809	extern struct alloccache nameseq_cache;
810	extern struct alloccache file_cache;
811	extern struct alloccache commands_cache;
812	extern struct alloccache variable_cache;
813	extern struct alloccache variable_set_cache;
814	extern struct alloccache variable_set_list_cache;
815
816	#endif /* CONFIG_WITH_ALLOC_CACHES - bird end*/
817
818
819	/* String caching */
820	void strcache_init (void);
821	void strcache_print_stats (const char *prefix);
822	#ifndef CONFIG_WITH_STRCACHE2 /* bird */
823	int strcache_iscached (const char *str);
824	const char strcache_add (const char str);
825	const char strcache_add_len (const char str, unsigned int len);
826	#else /* CONFIG_WITH_STRCACHE2 */
827
828	# include "strcache2.h"
829	extern struct strcache2 file_strcache;
830	extern const char *suffixes_strcached;
831
832	# define strcache_iscached(str) strcache2_is_cached(&file_strcache, str)
833	# define strcache_add(str) strcache2_add_file(&file_strcache, str, strlen (str))
834	# define strcache_add_len(str, len) strcache2_add_file(&file_strcache, str, len)
835	# define strcache_get_len(str) strcache2_get_len(&file_strcache, str) /* FIXME: replace this and related checks ... */
836
837	#endif /* CONFIG_WITH_STRCACHE2 */
838
839	/* Guile support */
840	int guile_gmake_setup (const floc *flocp);
841
842	/* Loadable object support. Sets to the strcached name of the loaded file. */
843	typedef int (load_func_t)(const floc flocp);
844	int load_file (const floc flocp, const char *filename, int noerror);
845	void unload_file (const char *name);
846
847	/* We omit these declarations on non-POSIX systems which define _POSIX_VERSION,
848	because such systems often declare them in header files anyway. */
849
850	#if !defined (__GNU_LIBRARY__) && !defined (POSIX) && !defined (_POSIX_VERSION) && !defined(WINDOWS32)
851
852	long int atol ();
853	# ifndef VMS
854	long int lseek ();
855	# endif
856
857	# ifdef HAVE_GETCWD
858	# if !defined(VMS) && !defined(__DECC) && !defined(_MSC_VER) /* bird: MSC */
859	char *getcwd ();
860	# endif
861	# else
862	char *getwd ();
863	# define getcwd(buf, len) getwd (buf)
864	# endif
865
866	#endif /* Not GNU C library or POSIX. */
867
868	#if !HAVE_STRCASECMP
869	# if HAVE_STRICMP
870	# define strcasecmp stricmp
871	# elif HAVE_STRCMPI
872	# define strcasecmp strcmpi
873	# else
874	/* Create our own, in misc.c */
875	int strcasecmp (const char s1, const char s2);
876	# endif
877	#endif
878
879	#if !HAVE_STRNCASECMP
880	# if HAVE_STRNICMP
881	# define strncasecmp strnicmp
882	# elif HAVE_STRNCMPI
883	# define strncasecmp strncmpi
884	# else
885	/* Create our own, in misc.c */
886	int strncasecmp (const char s1, const char s2, int n);
887	# endif
888	#endif
889
890	#define OUTPUT_SYNC_NONE 0
891	#define OUTPUT_SYNC_LINE 1
892	#define OUTPUT_SYNC_TARGET 2
893	#define OUTPUT_SYNC_RECURSE 3
894
895	#if !defined(_MSC_VER) /* bird */
896	/* Non-GNU systems may not declare this in unistd.h. */
897	extern char **environ;
898	#endif
899
900	extern const floc *reading_file;
901	extern const floc **expanding_var;
902
903	extern unsigned short stopchar_map[];
904
905	extern int just_print_flag, silent_flag, ignore_errors_flag, keep_going_flag;
906	extern int print_data_base_flag, question_flag, touch_flag, always_make_flag;
907	extern int env_overrides, no_builtin_rules_flag, no_builtin_variables_flag;
908	extern int print_version_flag, print_directory_flag, check_symlink_flag;
909	extern int warn_undefined_variables_flag, trace_flag, posix_pedantic;
910	extern int not_parallel, second_expansion, clock_skew_detected;
911	extern int rebuilding_makefiles, one_shell, output_sync, verify_flag;
912
913	#ifdef CONFIG_WITH_2ND_TARGET_EXPANSION /* bird start */
914	extern int second_target_expansion;
915	#endif
916	#ifdef CONFIG_PRETTY_COMMAND_PRINTING
917	extern int pretty_command_printing;
918	#endif
919	#ifdef CONFIG_WITH_PRINT_TIME_SWITCH
920	extern int print_time_min, print_time_width;
921	#endif
922	#if defined (CONFIG_WITH_MAKE_STATS) \|\| defined (CONFIG_WITH_MINIMAL_STATS)
923	extern int make_expensive_statistics;
924	#endif /* bird end */
925
926	extern const char *default_shell;
927
928	/* can we run commands via 'sh -c xxx' or must we use batch files? */
929	extern int batch_mode_shell;
930
931	/* Resetting the command script introduction prefix character. */
932	#define RECIPEPREFIX_NAME ".RECIPEPREFIX"
933	#define RECIPEPREFIX_DEFAULT '\t'
934	extern char cmd_prefix;
935
936	extern unsigned int job_slots;
937	#ifndef NO_FLOAT
938	extern double max_load_average;
939	#else
940	extern int max_load_average;
941	#endif
942
943	#ifdef WINDOWS32
944	extern char *program;
945	#else
946	extern const char *program;
947	#endif
948
949	#ifdef VMS
950	const char vms_command (const char argv0);
951	const char vms_progname (const char argv0);
952
953	void vms_exit (int);
954	# define _exit(foo) vms_exit(foo)
955	# define exit(foo) vms_exit(foo)
956
957	extern char *program_name;
958
959	void
960	set_program_name (const char *arv0);
961
962	int
963	need_vms_symbol (void);
964
965	int
966	create_foreign_command (const char command, const char image);
967
968	int
969	vms_export_dcl_symbol (const char name, const char value);
970
971	int
972	vms_putenv_symbol (const char *string);
973
974	void
975	vms_restore_symbol (const char *string);
976
977	#endif
978
979	void remote_setup (void);
980	void remote_cleanup (void);
981	int start_remote_job_p (int);
982	int start_remote_job (char , char , int, int , int , int *);
983	int remote_status (int , int , int *, int);
984	void block_remote_children (void);
985	void unblock_remote_children (void);
986	int remote_kill (int id, int sig);
987	void print_variable_data_base (void);
988	void print_vpath_data_base (void);
989
990	extern char *starting_directory;
991	extern unsigned int makelevel;
992	extern char version_string, remote_description, *make_host;
993
994	extern unsigned int commands_started;
995
996	extern int handling_fatal_signal;
997
998
999	#ifndef MIN
1000	#define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))
1001	#endif
1002	#ifndef MAX
1003	#define MAX(_a,_b) ((_a)>(_b)?(_a):(_b))
1004	#endif
1005
1006
1007	#define MAKE_SUCCESS 0
1008	#define MAKE_TROUBLE 1
1009	#define MAKE_FAILURE 2
1010
1011	/* Set up heap debugging library dmalloc. */
1012
1013	#ifdef HAVE_DMALLOC_H
1014	#include <dmalloc.h>
1015	#endif
1016
1017	#ifndef initialize_main
1018	# ifdef __EMX__
1019	# define initialize_main(pargc, pargv) \
1020	{ _wildcard(pargc, pargv); _response(pargc, pargv); }
1021	# else
1022	# define initialize_main(pargc, pargv)
1023	# endif
1024	#endif
1025
1026	#ifdef __EMX__
1027	# if !defined chdir
1028	# define chdir _chdir2
1029	# endif
1030	# if !defined getcwd
1031	# define getcwd _getcwd2
1032	# endif
1033
1034	/* NO_CHDIR2 causes make not to use _chdir2() and _getcwd2() instead of
1035	chdir() and getcwd(). This avoids some error messages for the
1036	make testsuite but restricts the drive letter support. */
1037	# ifdef NO_CHDIR2
1038	# warning NO_CHDIR2: usage of drive letters restricted
1039	# undef chdir
1040	# undef getcwd
1041	# endif
1042	#endif
1043
1044	#ifndef initialize_main
1045	# define initialize_main(pargc, pargv)
1046	#endif
1047
1048
1049	/* Some systems (like Solaris, PTX, etc.) do not support the SA_RESTART flag
1050	properly according to POSIX. So, we try to wrap common system calls with
1051	checks for EINTR. Note that there are still plenty of system calls that
1052	can fail with EINTR but this, reportedly, gets the vast majority of
1053	failure cases. If you still experience failures you'll need to either get
1054	a system where SA_RESTART works, or you need to avoid -j. */
1055
1056	#define EINTRLOOP(_v,_c) while (((_v)=_c)==-1 && errno==EINTR)
1057
1058	/* While system calls that return integers are pretty consistent about
1059	returning -1 on failure and setting errno in that case, functions that
1060	return pointers are not always so well behaved. Sometimes they return
1061	NULL for expected behavior: one good example is readdir() which returns
1062	NULL at the end of the directory--and _doesn't_ reset errno. So, we have
1063	to do it ourselves here. */
1064
1065	#define ENULLLOOP(_v,_c) do { errno = 0; (_v) = _c; } \
1066	while((_v)==0 && errno==EINTR)
1067
1068
1069	#if defined(__EMX__) && defined(CONFIG_WITH_OPTIMIZATION_HACKS) /* bird: saves 40-100ms on libc. */
1070	static inline void __my_rawmemchr (const void __s, int __c);
1071	#undef strchr
1072	#define strchr(s, c) \
1073	(__extension__ (__builtin_constant_p (c) \
1074	? ((c) == '\0' \
1075	? (char *) __my_rawmemchr ((s), (c)) \
1076	: __my_strchr_c ((s), ((c) & 0xff) << 8)) \
1077	: __my_strchr_g ((s), (c))))
1078	static inline char __my_strchr_c (const char __s, int __c)
1079	{
1080	register unsigned long int __d0;
1081	register char *__res;
1082	__asm__ __volatile__
1083	("1:\n\t"
1084	"movb (%0),%%al\n\t"
1085	"cmpb %%ah,%%al\n\t"
1086	"je 2f\n\t"
1087	"leal 1(%0),%0\n\t"
1088	"testb %%al,%%al\n\t"
1089	"jne 1b\n\t"
1090	"xorl %0,%0\n"
1091	"2:"
1092	: "=r" (__res), "=&a" (__d0)
1093	: "0" (__s), "1" (__c),
1094	"m" ( (struct { char __x[0xfffffff]; } )__s)
1095	: "cc");
1096	return __res;
1097	}
1098
1099	static inline char __my_strchr_g (__const char __s, int __c)
1100	{
1101	register unsigned long int __d0;
1102	register char *__res;
1103	__asm__ __volatile__
1104	("movb %%al,%%ah\n"
1105	"1:\n\t"
1106	"movb (%0),%%al\n\t"
1107	"cmpb %%ah,%%al\n\t"
1108	"je 2f\n\t"
1109	"leal 1(%0),%0\n\t"
1110	"testb %%al,%%al\n\t"
1111	"jne 1b\n\t"
1112	"xorl %0,%0\n"
1113	"2:"
1114	: "=r" (__res), "=&a" (__d0)
1115	: "0" (__s), "1" (__c),
1116	"m" ( (struct { char __x[0xfffffff]; } )__s)
1117	: "cc");
1118	return __res;
1119	}
1120
1121	static inline void __my_rawmemchr (const void __s, int __c)
1122	{
1123	register unsigned long int __d0;
1124	register unsigned char *__res;
1125	__asm__ __volatile__
1126	("cld\n\t"
1127	"repne; scasb\n\t"
1128	: "=D" (__res), "=&c" (__d0)
1129	: "a" (__c), "0" (__s), "1" (0xffffffff),
1130	"m" ( (struct { char __x[0xfffffff]; } )__s)
1131	: "cc");
1132	return __res - 1;
1133	}
1134
1135	#undef memchr
1136	#define memchr(a,b,c) __my_memchr((a),(b),(c))
1137	static inline void __my_memchr (__const void __s, int __c, size_t __n)
1138	{
1139	register unsigned long int __d0;
1140	register unsigned char *__res;
1141	if (__n == 0)
1142	return NULL;
1143	__asm__ __volatile__
1144	("repne; scasb\n\t"
1145	"je 1f\n\t"
1146	"movl $1,%0\n"
1147	"1:"
1148	: "=D" (__res), "=&c" (__d0)
1149	: "a" (__c), "0" (__s), "1" (__n),
1150	"m" ( (struct { __extension__ char __x[__n]; } )__s)
1151	: "cc");
1152	return __res - 1;
1153	}
1154
1155	#endif /* __EMX__ (bird) */
1156
1157	#ifdef CONFIG_WITH_IF_CONDITIONALS
1158	extern int expr_eval_if_conditionals(const char line, const floc flocp);
1159	extern char expr_eval_to_string(char o, const char *expr);
1160	#endif
1161
1162	#ifdef KMK
1163	extern char abspath(const char name, char *apath);
1164	extern char func_breakpoint(char o, char *argv, const char funcname);
1165	# ifdef KBUILD_OS_WINDOWS
1166	extern void dir_cache_invalid_after_job (void);
1167	extern void dir_cache_invalid_all (void);
1168	extern void dir_cache_invalid_missing (void);
1169	extern int dir_cache_volatile_dir (const char *dir);
1170	extern int dir_cache_deleted_directory(const char *pszDir);
1171	# endif
1172	#endif
1173
1174	#if defined (CONFIG_WITH_NANOTS) \|\| defined (CONFIG_WITH_PRINT_TIME_SWITCH)
1175	/* misc.c */
1176	extern big_int nano_timestamp (void);
1177	extern int format_elapsed_nano (char *buf, size_t size, big_int ts);
1178	#endif
1179

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