*/
#$d_getgrps HAS_GETGROUPS /**/
-/* HAS_GETHOSTNAME:
- * This symbol, if defined, indicates that the C program may use the
- * gethostname() routine to derive the host name. See also HAS_UNAME
- * and PHOSTNAME.
- */
-/* HAS_UNAME:
- * This symbol, if defined, indicates that the C program may use the
- * uname() routine to derive the host name. See also HAS_GETHOSTNAME
- * and PHOSTNAME.
- */
-/* PHOSTNAME:
- * This symbol, if defined, indicates that the C program may use the
- * contents of PHOSTNAME as a command to feed to the popen() routine
- * to derive the host name. See also HAS_GETHOSTNAME and HAS_UNAME.
- * Note that the command uses a fully qualified path, so that it is safe
- * even if used by a process with super-user privileges.
- */
-#$d_gethname HAS_GETHOSTNAME /**/
-#$d_uname HAS_UNAME /**/
-#$d_phostname PHOSTNAME "$aphostname" /* How to get the host name */
-
/* HAS_GETLOGIN:
* This symbol, if defined, indicates that the getlogin routine is
* available to get the login name.
*/
#$d_mktime HAS_MKTIME /**/
+/* HAS_MSYNC:
+ * This symbol, if defined, indicates that the msync system call is
+ * available to synchronize a mapped file.
+ */
+#$d_msync HAS_MSYNC /**/
+
+/* HAS_MUNMAP:
+ * This symbol, if defined, indicates that the munmap system call is
+ * available to unmap a region, usually mapped by mmap().
+ */
+#$d_munmap HAS_MUNMAP /**/
+
/* HAS_NICE:
* This symbol, if defined, indicates that the nice routine is
* available.
*/
#$d_umask HAS_UMASK /**/
-/* HAS_VFORK:
- * This symbol, if defined, indicates that vfork() exists.
- */
-#$d_vfork HAS_VFORK /**/
-
/* HASVOLATILE:
* This symbol, if defined, indicates that this C compiler knows about
* the volatile declaration.
*/
#$i_syssecrt I_SYS_SECURITY /**/
+/* CROSSCOMPILE:
+ * This symbol, if defined, signifies that we our
+ * build process is a cross-compilation.
+ */
+#$crosscompile CROSSCOMPILE /**/
+
+/* INTSIZE:
+ * This symbol contains the value of sizeof(int) so that the C
+ * preprocessor can make decisions based on it.
+ */
+/* LONGSIZE:
+ * This symbol contains the value of sizeof(long) so that the C
+ * preprocessor can make decisions based on it.
+ */
+/* SHORTSIZE:
+ * This symbol contains the value of sizeof(short) so that the C
+ * preprocessor can make decisions based on it.
+ */
+#define INTSIZE $intsize /**/
+#define LONGSIZE $longsize /**/
+#define SHORTSIZE $shortsize /**/
+
+/* MULTIARCH:
+ * This symbol, if defined, signifies that the build
+ * process will produce some binary files that are going to be
+ * used in a cross-platform environment. This is the case for
+ * example with the NeXT "fat" binaries that contain executables
+ * for several CPUs.
+ */
+#$multiarch MULTIARCH /**/
+
/* MEM_ALIGNBYTES:
- * This symbol contains the number of bytes required to align a
- * double. Usual values are 2, 4 and 8.
- * On NeXT starting with 3.2, you can build "Fat" Multiple Architecture
- * Binaries (MAB) for targets with varying alignment. This only matters
- * for perl, where the config.h can be generated and installed on one
- * system, and used by a different architecture to build an extension.
- * The default is eight, for safety.
+ * This symbol contains the number of bytes required to align a
+ * double. Usual values are 2, 4 and 8. The default is eight,
+ * for safety.
*/
-#define MEM_ALIGNBYTES $alignbytes /**/
+#if defined(CROSSCOMPILE) || defined(MULTIARCH)
+# define MEM_ALIGNBYTES 8
+#else
+#define MEM_ALIGNBYTES $alignbytes
+#endif
/* BYTEORDER:
* This symbol holds the hexadecimal constant defined in byteorder,
* i.e. 0x1234 or 0x4321, etc...
+ * If the compiler supports cross-compiling or multiple-architecture
+ * binaries (eg. on NeXT systems), use compiler-defined macros to
+ * determine the byte order.
* On NeXT 3.2 (and greater), you can build "Fat" Multiple Architecture
* Binaries (MAB) on either big endian or little endian machines.
* The endian-ness is available at compile-time. This only matters
* so the default case (for NeXT) is big endian to catch them.
* This might matter for NeXT 3.0.
*/
-#ifndef NeXT
+#if defined(CROSSCOMPILE) || defined(MULTIARCH)
+# ifdef __LITTLE_ENDIAN__
+# if LONGSIZE == 4
+# define BYTEORDER 0x1234
+# else
+# if LONGSIZE == 8
+# define BYTEORDER 0x12345678
+# endif
+# endif
+# else
+# ifdef __BIG_ENDIAN__
+# if LONGSIZE == 4
+# define BYTEORDER 0x4321
+# else
+# if LONGSIZE == 8
+# define BYTEORDER 0x87654321
+# endif
+# endif
+# endif
+# endif
+# if !defined(BYTEORDER) && (defined(NeXT) || defined(__NeXT__))
+# define BYTEORDER 0x4321
+# endif
+#else
#define BYTEORDER 0x$byteorder /* large digits for MSB */
-#else /* NeXT */
-#ifdef __LITTLE_ENDIAN__
-#define BYTEORDER 0x1234
-#else /* __BIG_ENDIAN__ */
-#define BYTEORDER 0x4321
-#endif /* ENDIAN CHECK */
#endif /* NeXT */
/* CASTI32:
#$i_systime I_SYS_TIME /**/
#$i_systimek I_SYS_TIME_KERNEL /**/
-/* INTSIZE:
- * This symbol contains the value of sizeof(int) so that the C
- * preprocessor can make decisions based on it.
- */
-/* LONGSIZE:
- * This symbol contains the value of sizeof(long) so that the C
- * preprocessor can make decisions based on it.
- */
-/* SHORTSIZE:
- * This symbol contains the value of sizeof(short) so that the C
- * preprocessor can make decisions based on it.
- */
-#define INTSIZE $intsize /**/
-#define LONGSIZE $longsize /**/
-#define SHORTSIZE $shortsize /**/
-
/* VAL_O_NONBLOCK:
* This symbol is to be used during open() or fcntl(F_SETFL) to turn on
* non-blocking I/O for the file descriptor. Note that there is no way
*/
#$d_gethent HAS_GETHOSTENT /**/
+/* HAS_GETHOSTNAME:
+ * This symbol, if defined, indicates that the C program may use the
+ * gethostname() routine to derive the host name. See also HAS_UNAME
+ * and PHOSTNAME.
+ */
+/* HAS_UNAME:
+ * This symbol, if defined, indicates that the C program may use the
+ * uname() routine to derive the host name. See also HAS_GETHOSTNAME
+ * and PHOSTNAME.
+ */
+/* PHOSTNAME:
+ * This symbol, if defined, indicates the command to feed to the
+ * popen() routine to derive the host name. See also HAS_GETHOSTNAME
+ * and HAS_UNAME. Note that the command uses a fully qualified path,
+ * so that it is safe even if used by a process with super-user
+ * privileges.
+ */
+#$d_gethname HAS_GETHOSTNAME /**/
+#$d_uname HAS_UNAME /**/
+#$d_phostname HAS_PHOSTNAME
+#ifdef HAS_PHOSTNAME
+#define PHOSTNAME "$aphostname" /* How to get the host name */
+#endif
+
/* HAS_GETNETBYADDR:
* This symbol, if defined, indicates that the getnetbyaddr() routine is
* available to look up networks by their IP addresses.
#define LONGLONGSIZE $longlongsize /**/
#endif
+/* HAS_MMAP:
+ * This symbol, if defined, indicates that the mmap system call is
+ * available to map a file into memory.
+ */
+/* Mmap_t:
+ * This symbol holds the return type of the mmap() system call
+ * (and simultaneously the type of the first argument).
+ * Usually set to 'void *' or 'cadd_t'.
+ */
+#$d_mmap HAS_MMAP /**/
+#define Mmap_t $mmaptype /**/
+
/* HAS_MSG:
* This symbol, if defined, indicates that the entire msg*(2) library is
* supported (IPC mechanism based on message queues).
#$d_semctl_semun USE_SEMCTL_SEMUN /**/
#$d_semctl_semid_ds USE_SEMCTL_SEMID_DS /**/
+/* HAS_VFORK:
+ * This symbol, if defined, indicates that vfork() exists.
+ */
+#$d_vfork HAS_VFORK /**/
+
/* Signal_t:
* This symbol's value is either "void" or "int", corresponding to the
* appropriate return type of a signal handler. Thus, you can declare
*/
#$d_ftello HAS_FTELLO /**/
+/* HAS_GETMNTENT:
+ * This symbol, if defined, indicates that the getmntent routine is
+ * available to iterate through mounted file systems.
+ */
+#$d_getmntent HAS_GETMNTENT /**/
+
+/* HAS_HASMNTOPT:
+ * This symbol, if defined, indicates that the hasmntopt routine is
+ * available to query the mount options of file systems.
+ */
+#$d_hasmntopt HAS_HASMNTOPT /**/
+
+/* HAS_MADVISE:
+ * This symbol, if defined, indicates that the madvise system call is
+ * available to map a file into memory.
+ */
+#$d_madvise HAS_MADVISE /**/
+
+/* HAS_MPROTECT:
+ * This symbol, if defined, indicates that the mprotect system call is
+ * available to modify the access protection of a memory mapped file.
+ */
+#$d_mprotect HAS_MPROTECT /**/
+
/* HAS_READV:
* This symbol, if defined, indicates that the readv routine is
* available to do gather reads. You will also need <sys/uio.h>
/* HAS_FSTATFS:
* This symbol, if defined, indicates that the fstatfs routine is
- * available to do stat filesystems of file descriptors.
+ * available to stat filesystems of file descriptors.
*/
/* HAS_STRUCT_STATFS_FLAGS:
* This symbol, if defined, indicates that the struct statfs
* does have the f_flags member containing the mount flags of
* the filesystem holding the file.
- * This kind of struct statfs is coming from sys/mount.h (BSD)
- * and not from sys/statfs.h (SYSV).
+ * This kind of struct statfs is coming from sys/mount.h (BSD),
+ * not from sys/statfs.h (SYSV).
*/
#$d_fstatfs HAS_FSTATFS /**/
#$d_statfsflags HAS_STRUCT_STATFS_FLAGS /**/
/* HAS_FSTATVFS:
* This symbol, if defined, indicates that the fstatvfs routine is
- * available to do stat filesystems of file descriptors.
+ * available to stat filesystems of file descriptors.
*/
#$d_fstatvfs HAS_FSTATVFS /**/
+/* HAS_TELLDIR_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the telldir() function. Otherwise, it is up
+ * to the program to supply one. A good guess is
+ * extern long telldir _((DIR*));
+ */
+#$d_telldirproto HAS_TELLDIR_PROTO /**/
+
/* HAS_WRITEV:
* This symbol, if defined, indicates that the writev routine is
* available to do scatter writes.
#$i_inttypes I_INTTYPES /**/
#$d_int64t HAS_INT64_T /**/
+/* I_MNTENT:
+ * This symbol, if defined, indicates that <mntent.h> exists and
+ * should be included.
+ */
+#$i_mntent I_MNTENT /**/
+
/* I_POLL:
* This symbol, if defined, indicates that <poll.h> exists and
* should be included.
*/
#$i_poll I_POLL /**/
+/* I_SYS_MMAN:
+ * This symbol, if defined, indicates that <sys/mman.h> exists and
+ * should be included.
+ */
+#$i_sysmman I_SYS_MMAN /**/
+
/* I_SYS_MOUNT:
* This symbol, if defined, indicates that <sys/mount.h> exists and
* should be included.
#$d_stat64 HAS_STAT64 /**/
#$d_telldir64 HAS_TELLDIR64 /**/
#$d_truncate64 HAS_TRUNCATE64 /**/
-#$d_off64t HAS_OFF64_T /**/
+#$d_off64_t HAS_OFF64_T /**/
#$d_dirent64_s HAS_STRUCT_DIRENT64 /**/
/* PRIVLIB:
projects / p5sagit/p5-mst-13.2.git / blobdiff