mirror of
https://salsa.debian.org/srivasta/make-dfsg.git
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307 lines
6.7 KiB
C
307 lines
6.7 KiB
C
/* Copyright (C) 1988, 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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This file is part of GNU Make.
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GNU Make is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Make is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Make; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* AIX requires this to be the first thing in the file. */
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#if defined (_AIX) && !defined (__GNUC__)
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#pragma alloca
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#endif
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#define _GNU_SOURCE
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <signal.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <time.h>
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#include <errno.h>
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#ifndef errno
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extern int errno;
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#ifdef _POSIX_VERSION
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#define POSIX
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#endif
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#endif
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#if !defined (HAVE_SYS_SIGLIST) && defined (HAVE__SYS_SIGLIST)
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#define sys_siglist _sys_siglist
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#endif
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#ifndef isblank
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#define isblank(c) ((c) == ' ' || (c) == '\t')
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#endif
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#if !defined(NSIG) && defined(_NSIG)
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#define NSIG _NSIG
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#endif
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#ifndef RETSIGTYPE
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#define RETSIGTYPE void
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#endif
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#ifdef CRAY
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#define signal bsdsignal
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#endif
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#ifndef sigmask
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#define sigmask(sig) (1 << ((sig) - 1))
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#endif
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifndef PATH_MAX
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#ifdef POSIX
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#define GET_PATH_MAX pathconf ("/", _PC_PATH_MAX)
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#else /* Not POSIX. */
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#ifndef MAXPATHLEN
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#define MAXPATHLEN 1024
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#endif /* No MAXPATHLEN. */
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#define PATH_MAX MAXPATHLEN
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#endif /* POSIX. */
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#endif /* No PATH_MAX. */
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#ifdef PATH_MAX
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#define PATH_VAR(var) char var[PATH_MAX]
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#define GET_PATH_MAX PATH_MAX
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#else
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#define PATH_VAR(var) char *var = (char *) alloca (GET_PATH_MAX)
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#endif
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#ifdef uts
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#ifdef S_ISREG
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#undef S_ISREG
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#endif
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#ifdef S_ISDIR
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#undef S_ISDIR
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#endif
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#endif /* uts. */
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#ifndef S_ISREG
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#define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
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#endif
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#ifndef S_ISDIR
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#define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
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#endif
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#if (defined (STDC_HEADERS) || defined (__GNU_LIBRARY__) \
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|| defined (POSIX))
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#include <stdlib.h>
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#include <string.h>
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#define ANSI_STRING
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#else /* No standard headers. */
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#ifdef USG
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#include <string.h>
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#ifdef NEED_MEMORY_H
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#include <memory.h>
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#endif
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#define ANSI_STRING
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#else /* Not USG. */
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#ifdef NeXT
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#include <string.h>
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#else /* Not NeXT. */
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#include <strings.h>
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#ifndef bcmp
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extern int bcmp ();
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#endif
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#ifndef bzero
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extern void bzero ();
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#endif
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#ifndef bcopy
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extern void bcopy ();
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#endif
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#endif /* NeXT. */
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#endif /* USG. */
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extern char *malloc (), *realloc ();
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extern void free ();
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extern void qsort ();
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extern void abort (), exit ();
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#endif /* Standard headers. */
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#ifdef ANSI_STRING
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#ifndef index
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#define index(s, c) strchr((s), (c))
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#endif
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#ifndef rindex
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#define rindex(s, c) strrchr((s), (c))
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#endif
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#ifndef bcmp
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#define bcmp(s1, s2, n) memcmp ((s1), (s2), (n))
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#endif
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#ifndef bzero
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#define bzero(s, n) memset ((s), 0, (n))
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#endif
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#ifndef bcopy
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#define bcopy(s, d, n) memcpy ((d), (s), (n))
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#endif
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#endif /* ANSI_STRING. */
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#undef ANSI_STRING
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#ifdef __GNUC__
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#undef alloca
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#define alloca(n) __builtin_alloca (n)
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#else /* Not GCC. */
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#if defined (sparc) || defined (HAVE_ALLOCA_H)
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#include <alloca.h>
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#else /* Not sparc or HAVE_ALLOCA_H. */
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extern char *alloca ();
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#endif /* sparc or HAVE_ALLOCA_H. */
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#endif /* GCC. */
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#ifndef iAPX286
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#define streq(a, b) \
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((a) == (b) || \
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(*(a) == *(b) && (*(a) == '\0' || !strcmp ((a) + 1, (b) + 1))))
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#else
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/* Buggy compiler can't handle this. */
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#define streq(a, b) (strcmp ((a), (b)) == 0)
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#endif
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/* Add to VAR the hashing value of C, one character in a name. */
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#define HASH(var, c) \
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((var += (c)), (var = ((var) << 7) + ((var) >> 20)))
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#if defined(__GNUC__) || defined(ENUM_BITFIELDS)
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#define ENUM_BITFIELD(bits) :bits
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#else
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#define ENUM_BITFIELD(bits)
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#endif
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extern void die ();
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extern void message (), fatal (), error ();
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extern void makefile_error (), makefile_fatal ();
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extern void pfatal_with_name (), perror_with_name ();
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extern char *savestring (), *concat ();
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extern char *xmalloc (), *xrealloc ();
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extern char *find_next_token (), *next_token (), *end_of_token ();
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extern void collapse_continuations (), remove_comments ();
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extern char *sindex (), *lindex ();
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extern int alpha_compare ();
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extern void print_spaces ();
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extern struct dep *copy_dep_chain ();
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extern char *find_percent ();
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#ifndef NO_ARCHIVES
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extern int ar_name ();
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extern void ar_parse_name ();
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extern int ar_touch ();
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extern time_t ar_member_date ();
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#endif
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extern void dir_load ();
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extern int dir_file_exists_p (), file_exists_p (), file_impossible_p ();
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extern void file_impossible ();
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extern char *dir_name ();
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extern void define_default_variables ();
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extern void set_default_suffixes (), install_default_implicit_rules ();
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extern void convert_to_pattern (), count_implicit_rule_limits ();
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extern void create_pattern_rule ();
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extern void build_vpath_lists (), construct_vpath_list ();
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extern int vpath_search ();
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extern void construct_include_path ();
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extern void uniquize_deps ();
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extern int update_goal_chain ();
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extern void notice_finished_file ();
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extern void user_access (), make_access (), child_access ();
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#ifdef HAVE_VFORK_H
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#include <vfork.h>
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#endif
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#if defined(__GNU_LIBRARY__) || defined(POSIX)
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#include <unistd.h>
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#else
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#ifndef USG
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extern int sigsetmask ();
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extern int sigblock ();
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#endif
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extern int kill ();
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extern int atoi ();
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extern long int atol ();
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extern int unlink (), stat (), fstat ();
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extern int pipe (), close (), read (), write (), open ();
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extern long int lseek ();
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#endif /* GNU C library or POSIX. */
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#ifdef HAVE_GETCWD
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extern char *getcwd ();
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#else
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extern char *getwd ();
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#define getcwd(buf, len) getwd (buf)
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#endif
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#if !defined(__GNU_LIBRARY__) && (!defined(vfork) || !defined(POSIX))
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#ifdef POSIX
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extern pid_t vfork ();
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#else
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extern int vfork ();
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#endif
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#endif
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extern char **environ;
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extern char *reading_filename;
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extern unsigned int *reading_lineno_ptr;
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extern int just_print_flag, silent_flag, ignore_errors_flag, keep_going_flag;
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extern int debug_flag, print_data_base_flag, question_flag, touch_flag;
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extern int env_overrides, no_builtin_rules_flag, print_version_flag;
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extern int print_directory_flag;
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extern unsigned int job_slots;
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extern double max_load_average;
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extern char *program;
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extern unsigned int makelevel;
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#define DEBUGPR(msg) \
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do if (debug_flag) { print_spaces (depth); printf (msg, file->name); \
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fflush (stdout); } while (0)
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