| /* Miscellaneous global declarations and portability cruft for GNU Make. |
| Copyright (C) 1988, 89, 90, 91, 92, 93, 94 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> |
| /* Ultrix's unistd.h always defines _POSIX_VERSION, but you only get |
| POSIX.1 behavior with `cc -YPOSIX', which predefines POSIX itself! */ |
| #if defined (_POSIX_VERSION) && !defined (ultrix) |
| #define POSIX |
| #endif |
| #endif |
| |
| /* Some systems define _POSIX_VERSION but are not really POSIX.1. */ |
| #if (defined (butterfly) || defined (__arm) || \ |
| (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 |
| |
| /* SCO Xenix has a buggy macro definition in <string.h>. */ |
| #undef strerror |
| |
| #ifndef ANSI_STRING |
| extern char *strerror (); |
| #endif |
| |
| |
| #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 |
| |
| #ifdef __MSDOS__ |
| #define PATH_SEPARATOR_CHAR ';' |
| #else |
| #define PATH_SEPARATOR_CHAR ':' |
| #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_char_unquote (), *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 |
| |
| /* We omit these declarations on non-POSIX systems which define _POSIX_VERSION, |
| because such systems often declare the in header files anyway. */ |
| |
| #if !defined (__GNU_LIBRARY__) && !defined (POSIX) && !defined (_POSIX_VERSION) |
| |
| extern long int atol (); |
| 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 int posix_pedantic; |
| |
| 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) |
