X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=config_h.SH;h=c0f032032b5dbc54ae37c5150b63f205910ebac6;hb=360aca433d51a01ddd748b8606c6c288bdb2f7fc;hp=b67f029969b171653d17e51fba8b142bd8da470b;hpb=e7fb4fcc32f3c99c65223673d1c5ff75c8e9d3b3;p=p5sagit%2Fp5-mst-13.2.git diff --git a/config_h.SH b/config_h.SH index b67f029..c0f0320 100644 --- a/config_h.SH +++ b/config_h.SH @@ -242,27 +242,6 @@ sed <config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un- */ #$d_getgrps HAS_GETGROUPS /**/ -/* HAS_GETHOSTNAME: - * This symbol, if defined, indicates that the C program may use the - * gethostname() routine to derive the host name. See also HAS_UNAME - * and PHOSTNAME. - */ -/* HAS_UNAME: - * This symbol, if defined, indicates that the C program may use the - * uname() routine to derive the host name. See also HAS_GETHOSTNAME - * and PHOSTNAME. - */ -/* PHOSTNAME: - * This symbol, if defined, indicates that the C program may use the - * contents of PHOSTNAME as a command to feed to the popen() routine - * to derive the host name. See also HAS_GETHOSTNAME and HAS_UNAME. - * Note that the command uses a fully qualified path, so that it is safe - * even if used by a process with super-user privileges. - */ -#$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. @@ -408,6 +387,18 @@ sed <config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un- */ #$d_mktime HAS_MKTIME /**/ +/* HAS_MSYNC: + * This symbol, if defined, indicates that the msync system call is + * available to synchronize a mapped file. + */ +#$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. @@ -1059,20 +1050,54 @@ sed <config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un- */ #$i_syssecrt I_SYS_SECURITY /**/ +/* CROSSCOMPILE: + * This symbol, if defined, signifies that we our + * build process is a cross-compilation. + */ +#$crosscompile CROSSCOMPILE /**/ + +/* 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 + +/* 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 /**/ /* 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 @@ -1083,14 +1108,31 @@ sed <config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un- * 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: @@ -1322,22 +1364,6 @@ sed <config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un- #$i_systime I_SYS_TIME /**/ #$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 @@ -1544,6 +1570,30 @@ sed <config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un- */ #$d_gethent HAS_GETHOSTENT /**/ +/* HAS_GETHOSTNAME: + * This symbol, if defined, indicates that the C program may use the + * gethostname() routine to derive the host name. See also HAS_UNAME + * and PHOSTNAME. + */ +/* HAS_UNAME: + * This symbol, if defined, indicates that the C program may use the + * uname() routine to derive the host name. See also HAS_GETHOSTNAME + * and PHOSTNAME. + */ +/* PHOSTNAME: + * This symbol, if defined, indicates the command to feed to the + * popen() routine to derive the host name. See also HAS_GETHOSTNAME + * and HAS_UNAME. Note that the command uses a fully qualified path, + * so that it is safe even if used by a process with super-user + * privileges. + */ +#$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. @@ -1655,6 +1705,18 @@ sed <config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un- #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). @@ -2038,6 +2100,30 @@ sed <config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un- */ #$d_ftello HAS_FTELLO /**/ +/* HAS_GETMNTENT: + * This symbol, if defined, indicates that the getmntent routine is + * available to iterate through mounted file systems. + */ +#$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 @@ -2053,24 +2139,32 @@ sed <config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un- /* 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. @@ -2156,6 +2250,12 @@ sed <config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un- */ #$i_poll I_POLL /**/ +/* I_SYS_MMAN: + * This symbol, if defined, indicates that exists and + * should be included. + */ +#$i_sysmman I_SYS_MMAN /**/ + /* I_SYS_MOUNT: * This symbol, if defined, indicates that exists and * should be included.