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- /* Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993
- 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. */
-
- /* AIX requires this to be the first thing in the file. */
- #if defined (_AIX) && !defined (__GNUC__)
- #pragma alloca
- #endif
-
- /* We use <config.h> instead of "config.h" so that a compilation
- using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
- (which it would do because make.h was found in $srcdir). */
- #include <config.h>
- #undef HAVE_CONFIG_H
- #define HAVE_CONFIG_H
-
- #ifdef CRAY
- /* This must happen before #include <signal.h> so
- that the declaration therein is changed. */
- #define signal bsdsignal
- #endif
-
- #define _GNU_SOURCE
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <signal.h>
- #include <stdio.h>
- #include <ctype.h>
- #ifdef HAVE_SYS_TIMEB_H
- /* SCO 3.2 "devsys 4.2" has a prototype for `ftime' in <time.h> that bombs
- unless <sys/timeb.h> has been included first. Does every system have a
- <sys/timeb.h>? If any does not, configure should check for it. */
- #include <sys/timeb.h>
- #endif
- #include <time.h>
- #include <errno.h>
-
- #ifndef errno
- extern int errno;
- #endif
-
- #ifndef isblank
- #define isblank(c) ((c) == ' ' || (c) == '\t')
- #endif
-
- #ifdef HAVE_UNISTD_H
- #include <unistd.h>
- #ifdef _POSIX_VERSION
- #define POSIX
- #endif
- #endif
-
- /* Some systems define _POSIX_VERSION but are not really POSIX.1. */
- #if (defined (butterfly) || \
- (defined (__mips) && defined (_SYSTYPE_SVR3)) || \
- (defined (sequent) && defined (i386)))
- #undef POSIX
- #endif
-
- #if !defined (POSIX) && defined (_AIX) && defined (_POSIX_SOURCE)
- #define POSIX
- #endif
-
- #if !defined (HAVE_SYS_SIGLIST) && defined (HAVE__SYS_SIGLIST)
- #define sys_siglist _sys_siglist
- #define HAVE_SYS_SIGLIST /* Now we have it. */
-
- /* It was declared in <signal.h>, with who knows what type.
- Don't declare it again and risk conflicting. */
- #define SYS_SIGLIST_DECLARED
- #endif
-
- #ifdef HAVE_SYS_SIGLIST
- #ifndef SYS_SIGLIST_DECLARED
- extern char *sys_siglist[];
- #endif
- #else
- #include "signame.h"
- #endif
-
- /* Some systems do not define NSIG in <signal.h>. */
- #ifndef NSIG
- #ifdef _NSIG
- #define NSIG _NSIG
- #else
- #define NSIG 32
- #endif
- #endif
-
- #ifndef RETSIGTYPE
- #define RETSIGTYPE void
- #endif
-
- #ifndef sigmask
- #define sigmask(sig) (1 << ((sig) - 1))
- #endif
-
- #ifdef HAVE_LIMITS_H
- #include <limits.h>
- #endif
- #ifdef HAVE_SYS_PARAM_H
- #include <sys/param.h>
- #endif
-
- #ifndef PATH_MAX
- #ifndef POSIX
- #define PATH_MAX MAXPATHLEN
- #endif /* Not POSIX. */
- #endif /* No PATH_MAX. */
- #ifndef MAXPATHLEN
- #define MAXPATHLEN 1024
- #endif /* No MAXPATHLEN. */
-
- #ifdef PATH_MAX
- #define GET_PATH_MAX PATH_MAX
- #define PATH_VAR(var) char var[PATH_MAX]
- #else
- #define NEED_GET_PATH_MAX
- extern unsigned int get_path_max ();
- #define GET_PATH_MAX (get_path_max ())
- #define PATH_VAR(var) char *var = (char *) alloca (GET_PATH_MAX)
- #endif
-
- #ifdef STAT_MACROS_BROKEN
- #ifdef S_ISREG
- #undef S_ISREG
- #endif
- #ifdef S_ISDIR
- #undef S_ISDIR
- #endif
- #endif /* STAT_MACROS_BROKEN. */
-
- #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__))
- #include <stdlib.h>
- #include <string.h>
- #define ANSI_STRING
- #else /* No standard headers. */
-
- #ifdef HAVE_STRING_H
- #include <string.h>
- #define ANSI_STRING
- #else
- #include <strings.h>
- #endif
- #ifdef HAVE_MEMORY_H
- #include <memory.h>
- #endif
-
- extern char *malloc (), *realloc ();
- extern void free ();
-
- extern void qsort ();
- extern void abort (), exit ();
-
- #endif /* Standard headers. */
-
- #ifdef ANSI_STRING
-
- #ifndef index
- #define index(s, c) strchr((s), (c))
- #endif
- #ifndef rindex
- #define rindex(s, c) strrchr((s), (c))
- #endif
-
- #ifndef bcmp
- #define bcmp(s1, s2, n) memcmp ((s1), (s2), (n))
- #endif
- #ifndef bzero
- #define bzero(s, n) memset ((s), 0, (n))
- #endif
- #ifndef bcopy
- #define bcopy(s, d, n) memcpy ((d), (s), (n))
- #endif
-
- #else /* Not ANSI_STRING. */
-
- #ifndef bcmp
- extern int bcmp ();
- #endif
- #ifndef bzero
- extern void bzero ();
- #endif
- #ifndef bcopy
- extern void bcopy ();
- #endif
-
- #endif /* ANSI_STRING. */
- #undef ANSI_STRING
-
-
- #ifdef __GNUC__
- #undef alloca
- #define alloca(n) __builtin_alloca (n)
- #else /* Not GCC. */
- #ifdef HAVE_ALLOCA_H
- #include <alloca.h>
- #else /* Not HAVE_ALLOCA_H. */
- #ifndef _AIX
- extern char *alloca ();
- #endif /* Not AIX. */
- #endif /* 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_suffix_rules ();
- extern void install_default_implicit_rules (), count_implicit_rule_limits ();
- extern void convert_to_pattern (), 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 ();
-
-
- #ifdef HAVE_VFORK_H
- #include <vfork.h>
- #endif
-
- #if !defined (__GNU_LIBRARY__) && !defined (POSIX)
-
- #ifdef HAVE_SIGSETMASK
- extern int sigsetmask ();
- extern int sigblock ();
- #endif
- extern int kill ();
- extern int atoi ();
- extern long int atol ();
- extern int unlink (), stat (), fstat ();
- extern int pipe (), close (), read (), write (), open ();
- extern long int lseek ();
-
- #endif /* Not GNU C library or POSIX. */
-
- #ifdef HAVE_GETCWD
- extern char *getcwd ();
- #else
- extern char *getwd ();
- #define getcwd(buf, len) getwd (buf)
- #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, warn_undefined_variables_flag;
-
- extern unsigned int job_slots;
- extern double max_load_average;
-
- extern char *program;
- extern char *starting_directory;
- extern unsigned int makelevel;
- extern char *version_string, *remote_description;
-
- extern unsigned int commands_started;
-
- extern int handling_fatal_signal;
-
-
- #define DEBUGPR(msg) \
- do if (debug_flag) { print_spaces (depth); printf (msg, file->name); \
- fflush (stdout); } while (0)
-