/* Miscellaneous global declarations and portability cruft for GNU Make.
-Copyright (C) 1988-2020 Free Software Foundation, Inc.
+Copyright (C) 1988-2022 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
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
-this program. If not, see <http://www.gnu.org/licenses/>. */
+this program. If not, see <https://www.gnu.org/licenses/>. */
/* 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
# endif
#endif
+/* Some versions of GCC (e.g., 10.x) set the warn_unused_result attribute on
+ __builtin_alloca. This causes alloca(0) to fail and is not easily worked
+ around so avoid it via the preprocessor.
+ See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98055 */
+
+#if defined (__has_builtin)
+# if __has_builtin (__builtin_alloca)
+# define free_alloca()
+# else
+# define free_alloca() alloca (0)
+# endif
+#else
+# define free_alloca() alloca (0)
+#endif
+
/* Disable assert() unless we're a maintainer.
Some asserts are compute-intensive. */
#ifndef MAKE_MAINTAINER_MODE
unless <sys/timeb.h> has been included first. */
# include <sys/timeb.h>
#endif
-#if TIME_WITH_SYS_TIME
+#if HAVE_SYS_TIME_H
# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
#endif
+#include <time.h>
#include <errno.h>
#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)))
+#if (defined (butterfly) || (defined (__mips) && defined (_SYSTYPE_SVR3)) || (defined (sequent) && defined (i386)))
# undef POSIX
#endif
# define POSIX 1
#endif
-#ifndef RETSIGTYPE
-# define RETSIGTYPE void
-#endif
-
#ifndef sigmask
# define sigmask(sig) (1 << ((sig) - 1))
#endif
#endif
#ifndef PATH_MAX
-# ifndef POSIX
+# ifdef MAXPATHLEN
# define PATH_MAX MAXPATHLEN
+# else
+/* Some systems (HURD) have fully dynamic pathnames with no maximum.
+ Ideally we'd support this but it will take some work. */
+# define PATH_MAX 4096
# endif
#endif
-#ifndef MAXPATHLEN
-# define MAXPATHLEN 1024
-#endif
#ifdef PATH_MAX
# define GET_PATH_MAX PATH_MAX
#if HAVE_STDINT_H
# include <stdint.h>
#endif
+
+#if defined _MSC_VER || defined __MINGW32__
+# define MK_PRI64_PREFIX "I64"
+#else
+# define MK_PRI64_PREFIX "ll"
+#endif
+#ifndef PRIdMAX
+# define PRIdMAX MK_PRI64_PREFIX "d"
+#endif
+#ifndef PRIuMAX
+# define PRIuMAX MK_PRI64_PREFIX "u"
+#endif
+#ifndef SCNdMAX
+# define SCNdMAX PRIdMAX
+#endif
#define FILE_TIMESTAMP uintmax_t
#if !defined(HAVE_STRSIGNAL)
# define WIN32_LEAN_AND_MEAN
#endif /* WINDOWS32 */
+/* ALL_SET() evaluates the second argument twice. */
#define ANY_SET(_v,_m) (((_v)&(_m)) != 0)
#define NONE_SET(_v,_m) (! ANY_SET ((_v),(_m)))
+#define ALL_SET(_v,_m) (((_v)&(_m)) == (_m))
#define MAP_NUL 0x0001
-#define MAP_BLANK 0x0002
+#define MAP_BLANK 0x0002 /* space, TAB */
#define MAP_NEWLINE 0x0004
#define MAP_COMMENT 0x0008
#define MAP_SEMI 0x0010
#define STOP_SET(_v,_m) ANY_SET(stopchar_map[(unsigned char)(_v)],(_m))
+/* True if C is a directory separator on the current system. */
+#define ISDIRSEP(c) STOP_SET((c),MAP_DIRSEP)
+/* True if C is whitespace but not newline. */
#define ISBLANK(c) STOP_SET((c),MAP_BLANK)
+/* True if C is whitespace including newlines. */
#define ISSPACE(c) STOP_SET((c),MAP_SPACE)
+/* True if C is nul or whitespace (including newline). */
+#define END_OF_TOKEN(c) STOP_SET((c),MAP_SPACE|MAP_NUL)
+/* Move S past all whitespace (including newlines). */
#define NEXT_TOKEN(s) while (ISSPACE (*(s))) ++(s)
-#define END_OF_TOKEN(s) while (! STOP_SET (*(s), MAP_SPACE|MAP_NUL)) ++(s)
/* We can't run setrlimit when using posix_spawn. */
#if defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT) && !defined(USE_POSIX_SPAWN)
#define NILF ((floc *)0)
+/* Number of characters in a string constant. Does NOT include the \0 byte. */
#define CSTRLEN(_s) (sizeof (_s)-1)
+
+/* Only usable when NOT calling a macro: only use it for local functions. */
#define STRING_SIZE_TUPLE(_s) (_s), CSTRLEN(_s)
-/* The number of bytes needed to represent the largest integer as a string. */
-#define INTSTR_LENGTH CSTRLEN ("18446744073709551616")
+/* The number of bytes needed to represent the largest signed and unsigned
+ integers as a string.
+ Does NOT include space for \0 so be sure to add it if needed.
+ Math suggested by Edward Welbourne <edward.welbourne@qt.io> */
+#define INTSTR_LENGTH (53 * sizeof(uintmax_t) / 22 + 3)
#define DEFAULT_TTYNAME "true"
#ifdef HAVE_TTYNAME
# define TTYNAME(_f) DEFAULT_TTYNAME
#endif
+#ifdef VMS
+# define DEFAULT_TMPDIR "/sys$scratch/"
+#elif defined(P_tmpdir)
+# define DEFAULT_TMPDIR P_tmpdir
+#else
+# define DEFAULT_TMPDIR "/tmp"
+#endif
+
+
\f
+struct file;
+
/* Specify the location of elements read from makefiles. */
typedef struct
{
ATTRIBUTE ((__format__ (__printf__, 3, 4)));
void fatal (const floc *flocp, size_t length, const char *fmt, ...)
ATTRIBUTE ((noreturn, __format__ (__printf__, 3, 4)));
-void out_of_memory () NORETURN;
+void out_of_memory (void) NORETURN;
/* When adding macros to this list be sure to update the value of
XGETTEXT_OPTIONS in the po/Makevars file. */
#define ONS(_t,_a,_f,_n,_s) _t((_a), INTSTR_LENGTH + strlen (_s), \
(_f), (_n), (_s))
+void decode_env_switches (const char*, size_t line);
+void temp_stdin_unlink (void);
void die (int) NORETURN;
void pfatal_with_name (const char *) NORETURN;
void perror_with_name (const char *, const char *);
#define xstrlen(_s) ((_s)==NULL ? 0 : strlen (_s))
+unsigned int make_toui (const char*, const char**);
+char *make_lltoa (long long, char *);
+char *make_ulltoa (unsigned long long, char *);
+void make_seed (unsigned int);
+unsigned int make_rand (void);
+pid_t make_pid (void);
void *xmalloc (size_t);
void *xcalloc (size_t);
void *xrealloc (void *, size_t);
void print_spaces (unsigned int);
char *find_percent (char *);
const char *find_percent_cached (const char **);
-FILE *get_tmpfile (char **, const char *);
+const char *get_tmpdir (void);
+int get_tmpfd (char **);
+FILE *get_tmpfile (char **);
ssize_t writebuf (int, const void *, size_t);
ssize_t readbuf (int, void *, size_t);
int ar_touch (const char *);
time_t ar_member_date (const char *);
-typedef long int (*ar_member_func_t) (int desc, const char *mem, int truncated,
+typedef intmax_t (*ar_member_func_t) (int desc, const char *mem, int truncated,
long int hdrpos, long int datapos,
- long int size, long int date, int uid,
+ long int size, intmax_t date, int uid,
int gid, unsigned int mode,
const void *arg);
-long int ar_scan (const char *archive, ar_member_func_t function, const void *arg);
+intmax_t ar_scan (const char *archive, ar_member_func_t function,
+ const void *arg);
int ar_name_equal (const char *name, const char *mem, int truncated);
#ifndef VMS
int ar_member_touch (const char *arname, const char *memname);
void construct_include_path (const char **arg_dirs);
-void user_access (void);
-void make_access (void);
-void child_access (void);
-
char *strip_whitespace (const char **begpp, const char **endpp);
void show_goal_error (void);
/* Loadable object support. Sets to the strcached name of the loaded file. */
typedef int (*load_func_t)(const floc *flocp);
-int load_file (const floc *flocp, const char **filename, int noerror);
-void unload_file (const char *name);
+int load_file (const floc *flocp, struct file *file, int noerror);
+int unload_file (const char *name);
/* Maintainer mode support */
#ifdef MAKE_MAINTAINER_MODE
# define SPIN(_s) spin (_s)
void spin (const char* suffix);
+# define DBG(_f) dbg _f
+void dbg (const char *fmt, ...);
#else
# define SPIN(_s)
+/* Never put this code into Git or a release. */
+# define DBG(_f) compile-error
#endif
/* We omit these declarations on non-POSIX systems which define _POSIX_VERSION,
#if !defined (__GNU_LIBRARY__) && !defined (POSIX) && !defined (_POSIX_VERSION) && !defined(WINDOWS32)
-long int atol ();
# ifndef VMS
long int lseek ();
# endif
# ifdef HAVE_GETCWD
# if !defined(VMS) && !defined(__DECC)
-char *getcwd ();
+char *getcwd (void);
# endif
# else
-char *getwd ();
+char *getwd (void);
# define getcwd(buf, len) getwd (buf)
# endif
# define strncasecmp strncmpi
# else
/* Create our own, in misc.c */
-int strncasecmp (const char *s1, const char *s2, int n);
+int strncasecmp (const char *s1, const char *s2, size_t n);
# endif
#endif
+#if !HAVE_MEMPCPY
+/* Create our own, in misc.c */
+void *mempcpy (void *dest, const void *src, size_t n);
+#endif
+
+#if !HAVE_STPCPY
+/* Create our own, in misc.c */
+char *stpcpy (char *dest, const char *src);
+#endif
+
#define OUTPUT_SYNC_NONE 0
#define OUTPUT_SYNC_LINE 1
#define OUTPUT_SYNC_TARGET 2
extern int just_print_flag, run_silent, ignore_errors_flag, keep_going_flag;
extern int print_data_base_flag, question_flag, touch_flag, always_make_flag;
extern int env_overrides, no_builtin_rules_flag, no_builtin_variables_flag;
-extern int print_version_flag, print_directory_flag, check_symlink_flag;
-extern int warn_undefined_variables_flag, trace_flag, posix_pedantic;
+extern int print_version_flag, print_directory, check_symlink_flag;
+extern int warn_undefined_variables_flag, posix_pedantic;
extern int not_parallel, second_expansion, clock_skew_detected;
extern int rebuilding_makefiles, one_shell, output_sync, verify_flag;
+extern unsigned long command_count;
extern const char *default_shell;
/* can we run commands via 'sh -c xxx' or must we use batch files? */
extern int batch_mode_shell;
+#define GNUMAKEFLAGS_NAME "GNUMAKEFLAGS"
+#define MAKEFLAGS_NAME "MAKEFLAGS"
+
/* Resetting the command script introduction prefix character. */
-#define RECIPEPREFIX_NAME ".RECIPEPREFIX"
-#define RECIPEPREFIX_DEFAULT '\t'
+#define RECIPEPREFIX_NAME ".RECIPEPREFIX"
+#define RECIPEPREFIX_DEFAULT '\t'
extern char cmd_prefix;
+#define JOBSERVER_AUTH_OPT "jobserver-auth"
+
+extern char *jobserver_auth;
extern unsigned int job_slots;
extern double max_load_average;
extern unsigned int commands_started;
-extern int handling_fatal_signal;
+extern volatile sig_atomic_t handling_fatal_signal;
#ifndef MIN
#define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))
projects / platform / upstream / make.git / blobdiff