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