| 1 | /* Miscellaneous global declarations and portability cruft for GNU Make.
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| 2 | Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
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| 3 | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software
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| 4 | Foundation, Inc.
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| 5 | This file is part of GNU Make.
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| 6 |
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| 7 | GNU Make is free software; you can redistribute it and/or modify it under the
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| 8 | terms of the GNU General Public License as published by the Free Software
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| 9 | Foundation; either version 2, or (at your option) any later version.
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| 10 |
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| 11 | GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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| 13 | A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License along with
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| 16 | GNU Make; see the file COPYING. If not, write to the Free Software
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| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. */
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| 18 |
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| 19 | /* We use <config.h> instead of "config.h" so that a compilation
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| 20 | using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
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| 21 | (which it would do because make.h was found in $srcdir). */
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| 22 | #include <config.h>
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| 23 | #undef HAVE_CONFIG_H
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| 24 | #define HAVE_CONFIG_H 1
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| 25 |
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| 26 | /* AIX requires this to be the first thing in the file. */
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| 27 | #ifndef __GNUC__
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| 28 | # if HAVE_ALLOCA_H
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| 29 | # include <alloca.h>
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| 30 | # else
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| 31 | # ifdef _AIX
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| 32 | #pragma alloca
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| 33 | # else
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| 34 | # ifndef alloca /* predefined by HP cc +Olibcalls */
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| 35 | char *alloca ();
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| 36 | # endif
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| 37 | # endif
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| 38 | # endif
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| 39 | #endif
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| 40 |
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| 41 |
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| 42 | /* Specify we want GNU source code. This must be defined before any
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| 43 | system headers are included. */
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| 44 |
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| 45 | #define _GNU_SOURCE 1
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| 46 |
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| 47 |
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| 48 | #ifdef CRAY
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| 49 | /* This must happen before #include <signal.h> so
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| 50 | that the declaration therein is changed. */
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| 51 | # define signal bsdsignal
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| 52 | #endif
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| 53 |
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| 54 | /* If we're compiling for the dmalloc debugger, turn off string inlining. */
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| 55 | #if defined(HAVE_DMALLOC_H) && defined(__GNUC__)
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| 56 | # define __NO_STRING_INLINES
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| 57 | #endif
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| 58 |
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| 59 | #include <sys/types.h>
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| 60 | #include <sys/stat.h>
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| 61 | #include <signal.h>
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| 62 | #include <stdio.h>
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| 63 | #include <ctype.h>
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| 64 | #ifdef HAVE_SYS_TIMEB_H
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| 65 | /* SCO 3.2 "devsys 4.2" has a prototype for `ftime' in <time.h> that bombs
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| 66 | unless <sys/timeb.h> has been included first. Does every system have a
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| 67 | <sys/timeb.h>? If any does not, configure should check for it. */
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| 68 | # include <sys/timeb.h>
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| 69 | #endif
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| 70 |
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| 71 | #if TIME_WITH_SYS_TIME
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| 72 | # include <sys/time.h>
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| 73 | # include <time.h>
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| 74 | #else
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| 75 | # if HAVE_SYS_TIME_H
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| 76 | # include <sys/time.h>
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| 77 | # else
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| 78 | # include <time.h>
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| 79 | # endif
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| 80 | #endif
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| 81 |
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| 82 | #include <errno.h>
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| 83 |
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| 84 | #ifndef errno
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| 85 | extern int errno;
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| 86 | #endif
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| 87 |
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| 88 | #ifndef isblank
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| 89 | # define isblank(c) ((c) == ' ' || (c) == '\t')
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| 90 | #endif
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| 91 |
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| 92 | #ifdef HAVE_UNISTD_H
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| 93 | # include <unistd.h>
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| 94 | /* Ultrix's unistd.h always defines _POSIX_VERSION, but you only get
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| 95 | POSIX.1 behavior with `cc -YPOSIX', which predefines POSIX itself! */
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| 96 | # if defined (_POSIX_VERSION) && !defined (ultrix) && !defined (VMS)
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| 97 | # define POSIX 1
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| 98 | # endif
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| 99 | #endif
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| 100 |
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| 101 | /* Some systems define _POSIX_VERSION but are not really POSIX.1. */
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| 102 | #if (defined (butterfly) || defined (__arm) || (defined (__mips) && defined (_SYSTYPE_SVR3)) || (defined (sequent) && defined (i386)))
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| 103 | # undef POSIX
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| 104 | #endif
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| 105 |
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| 106 | #if !defined (POSIX) && defined (_AIX) && defined (_POSIX_SOURCE)
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| 107 | # define POSIX 1
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| 108 | #endif
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| 109 |
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| 110 | #ifndef RETSIGTYPE
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| 111 | # define RETSIGTYPE void
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| 112 | #endif
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| 113 |
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| 114 | #ifndef sigmask
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| 115 | # define sigmask(sig) (1 << ((sig) - 1))
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| 116 | #endif
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| 117 |
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| 118 | #ifndef HAVE_SA_RESTART
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| 119 | # define SA_RESTART 0
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| 120 | #endif
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| 121 |
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| 122 | #ifdef HAVE_LIMITS_H
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| 123 | # include <limits.h>
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| 124 | #endif
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| 125 | #ifdef HAVE_SYS_PARAM_H
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| 126 | # include <sys/param.h>
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| 127 | #endif
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| 128 |
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| 129 | #ifndef PATH_MAX
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| 130 | # ifndef POSIX
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| 131 | # define PATH_MAX MAXPATHLEN
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| 132 | # endif
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| 133 | #endif
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| 134 | #ifndef MAXPATHLEN
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| 135 | # define MAXPATHLEN 1024
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| 136 | #endif
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| 137 |
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| 138 | #ifdef PATH_MAX
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| 139 | # define GET_PATH_MAX PATH_MAX
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| 140 | # define PATH_VAR(var) char var[PATH_MAX]
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| 141 | #else
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| 142 | # define NEED_GET_PATH_MAX 1
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| 143 | # define GET_PATH_MAX (get_path_max ())
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| 144 | # define PATH_VAR(var) char *var = alloca (GET_PATH_MAX)
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| 145 | unsigned int get_path_max (void);
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| 146 | #endif
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| 147 |
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| 148 | #ifndef CHAR_BIT
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| 149 | # define CHAR_BIT 8
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| 150 | #endif
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| 151 |
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| 152 | #ifdef KMK
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| 153 | # ifdef _MSC_VER
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| 154 | # define MY_INLINE _inline static
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| 155 | # elif defined(__GNUC__)
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| 156 | # define MY_INLINE static __inline__
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| 157 | # else
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| 158 | # define MY_INLINE static
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| 159 | # endif
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| 160 | #endif /* KMK */
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| 161 | #if defined(CONFIG_WITH_VALUE_LENGTH) || defined(KMK)
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| 162 | # ifndef NDEBUG
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| 163 | # define MY_ASSERT_MSG(expr, printfargs) \
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| 164 | do { if (!(expr)) { printf printfargs; assert(expr); } } while (0)
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| 165 | # else
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| 166 | # define MY_ASSERT_MSG(expr, printfargs) do { } while (0)
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| 167 | # endif
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| 168 | #endif
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| 169 |
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| 170 | /* Nonzero if the integer type T is signed. */
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| 171 | #define INTEGER_TYPE_SIGNED(t) ((t) -1 < 0)
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| 172 |
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| 173 | /* The minimum and maximum values for the integer type T.
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| 174 | Use ~ (t) 0, not -1, for portability to 1's complement hosts. */
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| 175 | #define INTEGER_TYPE_MINIMUM(t) \
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| 176 | (! INTEGER_TYPE_SIGNED (t) ? (t) 0 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))
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| 177 | #define INTEGER_TYPE_MAXIMUM(t) (~ (t) 0 - INTEGER_TYPE_MINIMUM (t))
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| 178 |
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| 179 | #ifndef CHAR_MAX
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| 180 | # define CHAR_MAX INTEGER_TYPE_MAXIMUM (char)
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| 181 | #endif
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| 182 |
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| 183 | #ifdef STAT_MACROS_BROKEN
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| 184 | # ifdef S_ISREG
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| 185 | # undef S_ISREG
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| 186 | # endif
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| 187 | # ifdef S_ISDIR
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| 188 | # undef S_ISDIR
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| 189 | # endif
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| 190 | #endif /* STAT_MACROS_BROKEN. */
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| 191 |
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| 192 | #ifndef S_ISREG
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| 193 | # define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
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| 194 | #endif
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| 195 | #ifndef S_ISDIR
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| 196 | # define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
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| 197 | #endif
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| 198 |
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| 199 | #ifdef VMS
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| 200 | # include <types.h>
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| 201 | # include <unixlib.h>
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| 202 | # include <unixio.h>
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| 203 | # include <perror.h>
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| 204 | /* Needed to use alloca on VMS. */
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| 205 | # include <builtins.h>
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| 206 | #endif
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| 207 |
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| 208 | #ifndef __attribute__
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| 209 | /* This feature is available in gcc versions 2.5 and later. */
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| 210 | # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
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| 211 | # define __attribute__(x)
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| 212 | # endif
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| 213 | /* The __-protected variants of `format' and `printf' attributes
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| 214 | are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
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| 215 | # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
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| 216 | # define __format__ format
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| 217 | # define __printf__ printf
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| 218 | # endif
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| 219 | #endif
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| 220 | #define UNUSED __attribute__ ((unused))
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| 221 |
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| 222 | #if defined (STDC_HEADERS) || defined (__GNU_LIBRARY__)
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| 223 | # include <stdlib.h>
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| 224 | # include <string.h>
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| 225 | # define ANSI_STRING 1
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| 226 | #else /* No standard headers. */
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| 227 | # ifdef HAVE_STRING_H
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| 228 | # include <string.h>
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| 229 | # define ANSI_STRING 1
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| 230 | # else
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| 231 | # include <strings.h>
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| 232 | # endif
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| 233 | # ifdef HAVE_MEMORY_H
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| 234 | # include <memory.h>
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| 235 | # endif
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| 236 | # ifdef HAVE_STDLIB_H
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| 237 | # include <stdlib.h>
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| 238 | # else
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| 239 | void *malloc (int);
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| 240 | void *realloc (void *, int);
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| 241 | void free (void *);
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| 242 |
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| 243 | void abort (void) __attribute__ ((noreturn));
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| 244 | void exit (int) __attribute__ ((noreturn));
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| 245 | # endif /* HAVE_STDLIB_H. */
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| 246 |
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| 247 | #endif /* Standard headers. */
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| 248 |
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| 249 | /* These should be in stdlib.h. Make sure we have them. */
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| 250 | #ifndef EXIT_SUCCESS
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| 251 | # define EXIT_SUCCESS 0
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| 252 | #endif
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| 253 | #ifndef EXIT_FAILURE
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| 254 | # define EXIT_FAILURE 1
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| 255 | #endif
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| 256 |
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| 257 | #ifndef ANSI_STRING
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| 258 |
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| 259 | /* SCO Xenix has a buggy macro definition in <string.h>. */
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| 260 | #undef strerror
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| 261 | #if !defined(__DECC)
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| 262 | char *strerror (int errnum);
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| 263 | #endif
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| 264 |
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| 265 | #endif /* !ANSI_STRING. */
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| 266 | #undef ANSI_STRING
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| 267 |
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| 268 | #if HAVE_INTTYPES_H
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| 269 | # include <inttypes.h>
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| 270 | #endif
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| 271 | #define FILE_TIMESTAMP uintmax_t
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| 272 |
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| 273 | #if !defined(HAVE_STRSIGNAL)
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| 274 | char *strsignal (int signum);
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| 275 | #endif
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| 276 |
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| 277 | /* ISDIGIT offers the following features:
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| 278 | - Its arg may be any int or unsigned int; it need not be an unsigned char.
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| 279 | - It's guaranteed to evaluate its argument exactly once.
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| 280 | NOTE! Make relies on this behavior, don't change it!
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| 281 | - It's typically faster.
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| 282 | POSIX 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that
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| 283 | only '0' through '9' are digits. Prefer ISDIGIT to isdigit() unless
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| 284 | it's important to use the locale's definition of `digit' even when the
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| 285 | host does not conform to POSIX. */
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| 286 | #define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
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| 287 |
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| 288 | #ifndef iAPX286
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| 289 | # define streq(a, b) \
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| 290 | ((a) == (b) || \
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| 291 | (*(a) == *(b) && (*(a) == '\0' || !strcmp ((a) + 1, (b) + 1))))
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| 292 | # ifdef HAVE_CASE_INSENSITIVE_FS
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| 293 | # define strieq(a, b) \
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| 294 | ((a) == (b) \
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| 295 | || (tolower((unsigned char)*(a)) == tolower((unsigned char)*(b)) \
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| 296 | && (*(a) == '\0' || !strcasecmp ((a) + 1, (b) + 1))))
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| 297 | # else
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| 298 | # define strieq(a, b) streq(a, b)
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| 299 | # endif
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| 300 | #else
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| 301 | /* Buggy compiler can't handle this. */
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| 302 | # define streq(a, b) (strcmp ((a), (b)) == 0)
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| 303 | # define strieq(a, b) (strcmp ((a), (b)) == 0)
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| 304 | #endif
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| 305 | #define strneq(a, b, l) (strncmp ((a), (b), (l)) == 0)
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| 306 |
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| 307 | #if (defined(__GNUC__) || defined(ENUM_BITFIELDS)) && !defined(NO_ENUM_BITFIELDS)
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| 308 | # define ENUM_BITFIELD(bits) :bits
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| 309 | #else
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| 310 | # define ENUM_BITFIELD(bits)
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| 311 | #endif
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| 312 |
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| 313 | /* Handle gettext and locales. */
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| 314 |
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| 315 | #if HAVE_LOCALE_H
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| 316 | # include <locale.h>
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| 317 | #else
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| 318 | # define setlocale(category, locale)
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| 319 | #endif
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| 320 |
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| 321 | #include <gettext.h>
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| 322 |
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| 323 | #define _(msgid) gettext (msgid)
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| 324 | #define N_(msgid) gettext_noop (msgid)
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| 325 | #define S_(msg1,msg2,num) ngettext (msg1,msg2,num)
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| 326 |
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| 327 | /* Handle other OSs. */
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| 328 | #ifndef PATH_SEPARATOR_CHAR
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| 329 | # if defined(HAVE_DOS_PATHS)
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| 330 | # define PATH_SEPARATOR_CHAR ';'
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| 331 | # elif defined(VMS)
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| 332 | # define PATH_SEPARATOR_CHAR ','
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| 333 | # else
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| 334 | # define PATH_SEPARATOR_CHAR ':'
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| 335 | # endif
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| 336 | #endif
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| 337 |
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| 338 | /* This is needed for getcwd() and chdir(), on some W32 systems. */
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| 339 | #if defined(HAVE_DIRECT_H)
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| 340 | # include <direct.h>
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| 341 | #endif
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| 342 |
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| 343 | #ifdef WINDOWS32
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| 344 | # include <fcntl.h>
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| 345 | # include <malloc.h>
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| 346 | # define pipe(_p) _pipe((_p), 512, O_BINARY)
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| 347 | # define kill(_pid,_sig) w32_kill((_pid),(_sig))
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| 348 |
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| 349 | void sync_Path_environment (void);
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| 350 | int w32_kill (int pid, int sig); /* bird kill -> w32_kill - macro acquired () on the args. */
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| 351 | char *end_of_token_w32 (const char *s, char stopchar);
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| 352 | int find_and_set_default_shell (const char *token);
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| 353 |
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| 354 | /* indicates whether or not we have Bourne shell */
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| 355 | extern int no_default_sh_exe;
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| 356 |
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| 357 | /* is default_shell unixy? */
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| 358 | extern int unixy_shell;
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| 359 | #endif /* WINDOWS32 */
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| 360 |
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| 361 | struct floc
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| 362 | {
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| 363 | const char *filenm;
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| 364 | unsigned long lineno;
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| 365 | };
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| 366 | #define NILF ((struct floc *)0)
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| 367 |
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| 368 | #define STRING_SIZE_TUPLE(_s) (_s), (sizeof (_s)-1)
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| 369 |
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| 370 | |
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| 371 |
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| 372 | /* We have to have stdarg.h or varargs.h AND v*printf or doprnt to use
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| 373 | variadic versions of these functions. */
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| 374 |
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| 375 | #if HAVE_STDARG_H || HAVE_VARARGS_H
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| 376 | # if HAVE_VPRINTF || HAVE_DOPRNT
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| 377 | # define USE_VARIADIC 1
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| 378 | # endif
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| 379 | #endif
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| 380 |
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| 381 | #if HAVE_ANSI_COMPILER && USE_VARIADIC && HAVE_STDARG_H
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| 382 | void message (int prefix, const char *fmt, ...)
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| 383 | __attribute__ ((__format__ (__printf__, 2, 3)));
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| 384 | void error (const struct floc *flocp, const char *fmt, ...)
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| 385 | __attribute__ ((__format__ (__printf__, 2, 3)));
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| 386 | void fatal (const struct floc *flocp, const char *fmt, ...)
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| 387 | __attribute__ ((noreturn, __format__ (__printf__, 2, 3)));
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| 388 | #else
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| 389 | void message ();
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| 390 | void error ();
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| 391 | void fatal ();
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| 392 | #endif
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| 393 |
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| 394 | void die (int) __attribute__ ((noreturn));
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| 395 | void log_working_directory (int);
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| 396 | void pfatal_with_name (const char *) __attribute__ ((noreturn));
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| 397 | void perror_with_name (const char *, const char *);
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| 398 | char *savestring (const char *, unsigned int);
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| 399 | char *concat (const char *, const char *, const char *);
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| 400 | void *xmalloc (unsigned int);
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| 401 | void *xrealloc (void *, unsigned int);
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| 402 | char *xstrdup (const char *);
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| 403 | char *find_next_token (const char **, unsigned int *);
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| 404 | char *next_token (const char *);
|
|---|
| 405 | char *end_of_token (const char *);
|
|---|
| 406 | #ifndef CONFIG_WITH_VALUE_LENGTH
|
|---|
| 407 | void collapse_continuations (char *);
|
|---|
| 408 | #else
|
|---|
| 409 | char *collapse_continuations (char *, unsigned int);
|
|---|
| 410 | #endif
|
|---|
| 411 | #ifdef CONFIG_WITH_OPTIMIZATION_HACKS /* memchr is usually compiler intrinsic, thus faster. */
|
|---|
| 412 | # define lindex(s, limit, c) ((char *)memchr((s), (c), (limit) - (s)))
|
|---|
| 413 | #else
|
|---|
| 414 | char *lindex (const char *, const char *, int);
|
|---|
| 415 | #endif
|
|---|
| 416 | int alpha_compare (const void *, const void *);
|
|---|
| 417 | void print_spaces (unsigned int);
|
|---|
| 418 | char *find_percent (char *);
|
|---|
| 419 | const char *find_percent_cached (const char **);
|
|---|
| 420 | FILE *open_tmpfile (char **, const char *);
|
|---|
| 421 |
|
|---|
| 422 | #ifndef NO_ARCHIVES
|
|---|
| 423 | int ar_name (const char *);
|
|---|
| 424 | void ar_parse_name (const char *, char **, char **);
|
|---|
| 425 | int ar_touch (const char *);
|
|---|
| 426 | time_t ar_member_date (const char *);
|
|---|
| 427 |
|
|---|
| 428 | typedef long int (*ar_member_func_t) (int desc, const char *mem, int truncated,
|
|---|
| 429 | long int hdrpos, long int datapos,
|
|---|
| 430 | long int size, long int date, int uid,
|
|---|
| 431 | int gid, int mode, const void *arg);
|
|---|
| 432 |
|
|---|
| 433 | long int ar_scan (const char *archive, ar_member_func_t function, const void *arg);
|
|---|
| 434 | int ar_name_equal (const char *name, const char *mem, int truncated);
|
|---|
| 435 | #ifndef VMS
|
|---|
| 436 | int ar_member_touch (const char *arname, const char *memname);
|
|---|
| 437 | #endif
|
|---|
| 438 | #endif
|
|---|
| 439 |
|
|---|
| 440 | int dir_file_exists_p (const char *, const char *);
|
|---|
| 441 | int file_exists_p (const char *);
|
|---|
| 442 | int file_impossible_p (const char *);
|
|---|
| 443 | void file_impossible (const char *);
|
|---|
| 444 | const char *dir_name (const char *);
|
|---|
| 445 | void hash_init_directories (void);
|
|---|
| 446 |
|
|---|
| 447 | void define_default_variables (void);
|
|---|
| 448 | void set_default_suffixes (void);
|
|---|
| 449 | void install_default_suffix_rules (void);
|
|---|
| 450 | void install_default_implicit_rules (void);
|
|---|
| 451 |
|
|---|
| 452 | void build_vpath_lists (void);
|
|---|
| 453 | void construct_vpath_list (char *pattern, char *dirpath);
|
|---|
| 454 | const char *vpath_search (const char *file, FILE_TIMESTAMP *mtime_ptr);
|
|---|
| 455 | int gpath_search (const char *file, unsigned int len);
|
|---|
| 456 |
|
|---|
| 457 | void construct_include_path (const char **arg_dirs);
|
|---|
| 458 |
|
|---|
| 459 | void user_access (void);
|
|---|
| 460 | void make_access (void);
|
|---|
| 461 | void child_access (void);
|
|---|
| 462 |
|
|---|
| 463 | void close_stdout (void);
|
|---|
| 464 |
|
|---|
| 465 | char *strip_whitespace (const char **begpp, const char **endpp);
|
|---|
| 466 |
|
|---|
| 467 | /* String caching */
|
|---|
| 468 | void strcache_init (void);
|
|---|
| 469 | void strcache_print_stats (const char *prefix);
|
|---|
| 470 | int strcache_iscached (const char *str);
|
|---|
| 471 | const char *strcache_add (const char *str);
|
|---|
| 472 | const char *strcache_add_len (const char *str, int len);
|
|---|
| 473 | int strcache_setbufsize (int size);
|
|---|
| 474 |
|
|---|
| 475 | #ifdef HAVE_VFORK_H
|
|---|
| 476 | # include <vfork.h>
|
|---|
| 477 | #endif
|
|---|
| 478 |
|
|---|
| 479 | /* We omit these declarations on non-POSIX systems which define _POSIX_VERSION,
|
|---|
| 480 | because such systems often declare them in header files anyway. */
|
|---|
| 481 |
|
|---|
| 482 | #if !defined (__GNU_LIBRARY__) && !defined (POSIX) && !defined (_POSIX_VERSION) && !defined(WINDOWS32)
|
|---|
| 483 |
|
|---|
| 484 | long int atol ();
|
|---|
| 485 | # ifndef VMS
|
|---|
| 486 | long int lseek ();
|
|---|
| 487 | # endif
|
|---|
| 488 |
|
|---|
| 489 | #endif /* Not GNU C library or POSIX. */
|
|---|
| 490 |
|
|---|
| 491 | #ifdef HAVE_GETCWD
|
|---|
| 492 | # if !defined(VMS) && !defined(__DECC) && !defined(_MSC_VER) /* bird: MSC */
|
|---|
| 493 | char *getcwd ();
|
|---|
| 494 | # endif
|
|---|
| 495 | #else
|
|---|
| 496 | char *getwd ();
|
|---|
| 497 | # define getcwd(buf, len) getwd (buf)
|
|---|
| 498 | #endif
|
|---|
| 499 |
|
|---|
| 500 | #if !HAVE_STRCASECMP
|
|---|
| 501 | # if HAVE_STRICMP
|
|---|
| 502 | # define strcasecmp stricmp
|
|---|
| 503 | # elif HAVE_STRCMPI
|
|---|
| 504 | # define strcasecmp strcmpi
|
|---|
| 505 | # else
|
|---|
| 506 | /* Create our own, in misc.c */
|
|---|
| 507 | int strcasecmp (const char *s1, const char *s2);
|
|---|
| 508 | # endif
|
|---|
| 509 | #endif
|
|---|
| 510 |
|
|---|
| 511 | extern const struct floc *reading_file;
|
|---|
| 512 | extern const struct floc **expanding_var;
|
|---|
| 513 |
|
|---|
| 514 | #if !defined(_MSC_VER) /* bird */
|
|---|
| 515 | extern char **environ;
|
|---|
| 516 | #endif
|
|---|
| 517 |
|
|---|
| 518 | extern int just_print_flag, silent_flag, ignore_errors_flag, keep_going_flag;
|
|---|
| 519 | extern int print_data_base_flag, question_flag, touch_flag, always_make_flag;
|
|---|
| 520 | extern int env_overrides, no_builtin_rules_flag, no_builtin_variables_flag;
|
|---|
| 521 | extern int print_version_flag, print_directory_flag, check_symlink_flag;
|
|---|
| 522 | extern int warn_undefined_variables_flag, posix_pedantic, not_parallel;
|
|---|
| 523 | extern int second_expansion, clock_skew_detected, rebuilding_makefiles;
|
|---|
| 524 | #ifdef CONFIG_WITH_2ND_TARGET_EXPANSION
|
|---|
| 525 | extern int second_target_expansion;
|
|---|
| 526 | #endif
|
|---|
| 527 | #ifdef CONFIG_PRETTY_COMMAND_PRINTING
|
|---|
| 528 | extern int pretty_command_printing;
|
|---|
| 529 | #endif
|
|---|
| 530 | #ifdef CONFIG_WITH_MAKE_STATS
|
|---|
| 531 | extern int make_expensive_statistics;
|
|---|
| 532 | #endif
|
|---|
| 533 |
|
|---|
| 534 |
|
|---|
| 535 | /* can we run commands via 'sh -c xxx' or must we use batch files? */
|
|---|
| 536 | extern int batch_mode_shell;
|
|---|
| 537 |
|
|---|
| 538 | extern char cmd_prefix;
|
|---|
| 539 |
|
|---|
| 540 | extern unsigned int job_slots;
|
|---|
| 541 | extern int job_fds[2];
|
|---|
| 542 | extern int job_rfd;
|
|---|
| 543 | #ifndef NO_FLOAT
|
|---|
| 544 | extern double max_load_average;
|
|---|
| 545 | #else
|
|---|
| 546 | extern int max_load_average;
|
|---|
| 547 | #endif
|
|---|
| 548 |
|
|---|
| 549 | extern char *program;
|
|---|
| 550 | extern char *starting_directory;
|
|---|
| 551 | extern unsigned int makelevel;
|
|---|
| 552 | extern char *version_string, *remote_description, *make_host;
|
|---|
| 553 |
|
|---|
| 554 | extern unsigned int commands_started;
|
|---|
| 555 |
|
|---|
| 556 | extern int handling_fatal_signal;
|
|---|
| 557 |
|
|---|
| 558 |
|
|---|
| 559 | #ifndef MIN
|
|---|
| 560 | #define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))
|
|---|
| 561 | #endif
|
|---|
| 562 | #ifndef MAX
|
|---|
| 563 | #define MAX(_a,_b) ((_a)>(_b)?(_a):(_b))
|
|---|
| 564 | #endif
|
|---|
| 565 |
|
|---|
| 566 | #ifdef VMS
|
|---|
| 567 | # define MAKE_SUCCESS 1
|
|---|
| 568 | # define MAKE_TROUBLE 2
|
|---|
| 569 | # define MAKE_FAILURE 3
|
|---|
| 570 | #else
|
|---|
| 571 | # define MAKE_SUCCESS 0
|
|---|
| 572 | # define MAKE_TROUBLE 1
|
|---|
| 573 | # define MAKE_FAILURE 2
|
|---|
| 574 | #endif
|
|---|
| 575 |
|
|---|
| 576 | /* Set up heap debugging library dmalloc. */
|
|---|
| 577 |
|
|---|
| 578 | #ifdef HAVE_DMALLOC_H
|
|---|
| 579 | #include <dmalloc.h>
|
|---|
| 580 | #endif
|
|---|
| 581 |
|
|---|
| 582 | #ifndef initialize_main
|
|---|
| 583 | # ifdef __EMX__
|
|---|
| 584 | # define initialize_main(pargc, pargv) \
|
|---|
| 585 | { _wildcard(pargc, pargv); _response(pargc, pargv); }
|
|---|
| 586 | # else
|
|---|
| 587 | # define initialize_main(pargc, pargv)
|
|---|
| 588 | # endif
|
|---|
| 589 | #endif
|
|---|
| 590 |
|
|---|
| 591 | #ifdef __EMX__
|
|---|
| 592 | # if !defined chdir
|
|---|
| 593 | # define chdir _chdir2
|
|---|
| 594 | # endif
|
|---|
| 595 | # if !defined getcwd
|
|---|
| 596 | # define getcwd _getcwd2
|
|---|
| 597 | # endif
|
|---|
| 598 |
|
|---|
| 599 | /* NO_CHDIR2 causes make not to use _chdir2() and _getcwd2() instead of
|
|---|
| 600 | chdir() and getcwd(). This avoids some error messages for the
|
|---|
| 601 | make testsuite but restricts the drive letter support. */
|
|---|
| 602 | # ifdef NO_CHDIR2
|
|---|
| 603 | # warning NO_CHDIR2: usage of drive letters restricted
|
|---|
| 604 | # undef chdir
|
|---|
| 605 | # undef getcwd
|
|---|
| 606 | # endif
|
|---|
| 607 | #endif
|
|---|
| 608 |
|
|---|
| 609 | #ifndef initialize_main
|
|---|
| 610 | # define initialize_main(pargc, pargv)
|
|---|
| 611 | #endif
|
|---|
| 612 |
|
|---|
| 613 |
|
|---|
| 614 | /* Some systems (like Solaris, PTX, etc.) do not support the SA_RESTART flag
|
|---|
| 615 | properly according to POSIX. So, we try to wrap common system calls with
|
|---|
| 616 | checks for EINTR. Note that there are still plenty of system calls that
|
|---|
| 617 | can fail with EINTR but this, reportedly, gets the vast majority of
|
|---|
| 618 | failure cases. If you still experience failures you'll need to either get
|
|---|
| 619 | a system where SA_RESTART works, or you need to avoid -j. */
|
|---|
| 620 |
|
|---|
| 621 | #define EINTRLOOP(_v,_c) while (((_v)=_c)==-1 && errno==EINTR)
|
|---|
| 622 |
|
|---|
| 623 | /* While system calls that return integers are pretty consistent about
|
|---|
| 624 | returning -1 on failure and setting errno in that case, functions that
|
|---|
| 625 | return pointers are not always so well behaved. Sometimes they return
|
|---|
| 626 | NULL for expected behavior: one good example is readdir() which returns
|
|---|
| 627 | NULL at the end of the directory--and _doesn't_ reset errno. So, we have
|
|---|
| 628 | to do it ourselves here. */
|
|---|
| 629 |
|
|---|
| 630 | #define ENULLLOOP(_v,_c) do { errno = 0; (_v) = _c; } \
|
|---|
| 631 | while((_v)==0 && errno==EINTR)
|
|---|
| 632 |
|
|---|
| 633 |
|
|---|
| 634 | #if defined(__EMX__) && defined(CONFIG_WITH_OPTIMIZATION_HACKS) /* bird: saves 40-100ms on libc. */
|
|---|
| 635 | static inline void *__my_rawmemchr (const void *__s, int __c);
|
|---|
| 636 | #undef strchr
|
|---|
| 637 | #define strchr(s, c) \
|
|---|
| 638 | (__extension__ (__builtin_constant_p (c) \
|
|---|
| 639 | ? ((c) == '\0' \
|
|---|
| 640 | ? (char *) __my_rawmemchr ((s), (c)) \
|
|---|
| 641 | : __my_strchr_c ((s), ((c) & 0xff) << 8)) \
|
|---|
| 642 | : __my_strchr_g ((s), (c))))
|
|---|
| 643 | static inline char *__my_strchr_c (const char *__s, int __c)
|
|---|
| 644 | {
|
|---|
| 645 | register unsigned long int __d0;
|
|---|
| 646 | register char *__res;
|
|---|
| 647 | __asm__ __volatile__
|
|---|
| 648 | ("1:\n\t"
|
|---|
| 649 | "movb (%0),%%al\n\t"
|
|---|
| 650 | "cmpb %%ah,%%al\n\t"
|
|---|
| 651 | "je 2f\n\t"
|
|---|
| 652 | "leal 1(%0),%0\n\t"
|
|---|
| 653 | "testb %%al,%%al\n\t"
|
|---|
| 654 | "jne 1b\n\t"
|
|---|
| 655 | "xorl %0,%0\n"
|
|---|
| 656 | "2:"
|
|---|
| 657 | : "=r" (__res), "=&a" (__d0)
|
|---|
| 658 | : "0" (__s), "1" (__c),
|
|---|
| 659 | "m" ( *(struct { char __x[0xfffffff]; } *)__s)
|
|---|
| 660 | : "cc");
|
|---|
| 661 | return __res;
|
|---|
| 662 | }
|
|---|
| 663 |
|
|---|
| 664 | static inline char *__my_strchr_g (__const char *__s, int __c)
|
|---|
| 665 | {
|
|---|
| 666 | register unsigned long int __d0;
|
|---|
| 667 | register char *__res;
|
|---|
| 668 | __asm__ __volatile__
|
|---|
| 669 | ("movb %%al,%%ah\n"
|
|---|
| 670 | "1:\n\t"
|
|---|
| 671 | "movb (%0),%%al\n\t"
|
|---|
| 672 | "cmpb %%ah,%%al\n\t"
|
|---|
| 673 | "je 2f\n\t"
|
|---|
| 674 | "leal 1(%0),%0\n\t"
|
|---|
| 675 | "testb %%al,%%al\n\t"
|
|---|
| 676 | "jne 1b\n\t"
|
|---|
| 677 | "xorl %0,%0\n"
|
|---|
| 678 | "2:"
|
|---|
| 679 | : "=r" (__res), "=&a" (__d0)
|
|---|
| 680 | : "0" (__s), "1" (__c),
|
|---|
| 681 | "m" ( *(struct { char __x[0xfffffff]; } *)__s)
|
|---|
| 682 | : "cc");
|
|---|
| 683 | return __res;
|
|---|
| 684 | }
|
|---|
| 685 |
|
|---|
| 686 | static inline void *__my_rawmemchr (const void *__s, int __c)
|
|---|
| 687 | {
|
|---|
| 688 | register unsigned long int __d0;
|
|---|
| 689 | register unsigned char *__res;
|
|---|
| 690 | __asm__ __volatile__
|
|---|
| 691 | ("cld\n\t"
|
|---|
| 692 | "repne; scasb\n\t"
|
|---|
| 693 | : "=D" (__res), "=&c" (__d0)
|
|---|
| 694 | : "a" (__c), "0" (__s), "1" (0xffffffff),
|
|---|
| 695 | "m" ( *(struct { char __x[0xfffffff]; } *)__s)
|
|---|
| 696 | : "cc");
|
|---|
| 697 | return __res - 1;
|
|---|
| 698 | }
|
|---|
| 699 |
|
|---|
| 700 | #undef memchr
|
|---|
| 701 | #define memchr(a,b,c) __my_memchr((a),(b),(c))
|
|---|
| 702 | static inline void *__my_memchr (__const void *__s, int __c, size_t __n)
|
|---|
| 703 | {
|
|---|
| 704 | register unsigned long int __d0;
|
|---|
| 705 | register unsigned char *__res;
|
|---|
| 706 | if (__n == 0)
|
|---|
| 707 | return NULL;
|
|---|
| 708 | __asm__ __volatile__
|
|---|
| 709 | ("repne; scasb\n\t"
|
|---|
| 710 | "je 1f\n\t"
|
|---|
| 711 | "movl $1,%0\n"
|
|---|
| 712 | "1:"
|
|---|
| 713 | : "=D" (__res), "=&c" (__d0)
|
|---|
| 714 | : "a" (__c), "0" (__s), "1" (__n),
|
|---|
| 715 | "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
|
|---|
| 716 | : "cc");
|
|---|
| 717 | return __res - 1;
|
|---|
| 718 | }
|
|---|
| 719 |
|
|---|
| 720 | #endif /* __EMX__ (bird) */
|
|---|
| 721 |
|
|---|
| 722 | #ifdef CONFIG_WITH_MAKE_STATS
|
|---|
| 723 | extern long make_stats_allocations;
|
|---|
| 724 | extern unsigned long make_stats_allocated;
|
|---|
| 725 | extern unsigned long make_stats_allocated_sum;
|
|---|
| 726 | extern unsigned long make_stats_ht_lookups;
|
|---|
| 727 | extern unsigned long make_stats_ht_collisions;
|
|---|
| 728 |
|
|---|
| 729 | # ifdef __APPLE__
|
|---|
| 730 | # include <malloc/malloc.h>
|
|---|
| 731 | # define SIZE_OF_HEAP_BLOCK(ptr) malloc_size(ptr)
|
|---|
| 732 |
|
|---|
| 733 | # elif defined(__linux__) /* glibc */
|
|---|
| 734 | # include <malloc.h>
|
|---|
| 735 | # define SIZE_OF_HEAP_BLOCK(ptr) malloc_usable_size(ptr)
|
|---|
| 736 |
|
|---|
| 737 | # elif defined(_MSC_VER) || defined(__OS2__)
|
|---|
| 738 | # define SIZE_OF_HEAP_BLOCK(ptr) _msize(ptr)
|
|---|
| 739 |
|
|---|
| 740 | # else
|
|---|
| 741 | # include <stdlib.h>
|
|---|
| 742 | # define SIZE_OF_HEAP_BLOCK(ptr) 0
|
|---|
| 743 | #endif
|
|---|
| 744 |
|
|---|
| 745 | # if defined(CONFIG_WITH_MAKE_STATS) && !defined(ELECTRIC_HEAP)
|
|---|
| 746 | # define free xfree
|
|---|
| 747 | extern void xfree (void *);
|
|---|
| 748 | # endif
|
|---|
| 749 |
|
|---|
| 750 | #endif
|
|---|
| 751 |
|
|---|
| 752 | #ifdef CONFIG_WITH_IF_CONDITIONALS
|
|---|
| 753 | extern int expr_eval_if_conditionals(char *line, const struct floc *flocp);
|
|---|
| 754 | extern char *expr_eval_to_string(char *o, char *expr);
|
|---|
| 755 | #endif
|
|---|
| 756 |
|
|---|
| 757 | #ifdef KMK
|
|---|
| 758 | extern char *abspath(const char *name, char *apath);
|
|---|
| 759 | extern char *func_breakpoint(char *o, char **argv, const char *funcname);
|
|---|
| 760 | #endif
|
|---|
