/* * PostgreSQL configuration-settings file. * * config.h.in is processed by configure to produce config.h. * * If you want to modify any of the tweakable settings in Part 2 * of this file, you can do it in config.h.in before running configure, * or in config.h afterwards. Of course, if you edit config.h, then your * changes will be overwritten the next time you run configure. * * $Id: config.h.in,v 1.126 2000/07/12 22:59:12 petere Exp $ */ #ifndef CONFIG_H #define CONFIG_H /* *------------------------------------------------------------------------ * Part 1: feature symbols and limits that are set by configure based on * user-supplied switches. This is first so that stuff in Part 2 can * depend on these values. * * Beware of "fixing" configure-time mistakes by editing these values, * since configure may have inserted the settings in other files as well * as here. Best to rerun configure if you forgot --enable-multibyte * or whatever. *------------------------------------------------------------------------ */ /* The version number is actually hard-coded into configure.in */ #undef PG_VERSION /* A canonical string containing the version number, platform, and C compiler */ #undef PG_VERSION_STR /* Set to 1 if you want LOCALE support (--enable-locale) */ #undef USE_LOCALE /* Set to 1 if you want cyrillic recode (--enable-recode) */ #undef CYR_RECODE /* Set to 1 if you want to use multibyte characters (--enable-multibyte) */ #undef MULTIBYTE /* Set to 1 if you want ASSERT checking (--enable-cassert) */ #undef USE_ASSERT_CHECKING /* Set to 1 to use syslog() to write postmaster log (--enable-syslog) */ /* (CAUTION: large log entries confuse syslog on many platforms!) */ #undef ENABLE_SYSLOG /* Define to build with Kerberos 4 support (--with-krb4[=DIR]) */ #undef KRB4 /* Define to build with Kerberos 5 support (--with-krb5[=DIR]) */ #undef KRB5 /* Kerberos name of the Postgres service principal (--with-krb-srvnam=NAME) */ #undef PG_KRB_SRVNAM /* Define to build with (Open)SSL support (--with-openssl[=DIR]) */ #undef USE_SSL /* * DEF_PGPORT is the TCP port number on which the Postmaster listens and * which clients will try to connect to. This is just a default value; * it can be overridden at postmaster or client startup. It's awfully * convenient if your clients have the right default compiled in, though. * (--with-pgport=PORTNUM) */ #undef DEF_PGPORT /* ... and once more as a string constant instead */ #undef DEF_PGPORT_STR /* * Default soft limit on number of backend server processes per postmaster; * this is just the default setting for the postmaster's -N switch. * (--with-maxbackends=N) */ #undef DEF_MAXBACKENDS /* *------------------------------------------------------------------------ * Part 2: feature symbols and limits that are user-configurable, but * only by editing this file ... there's no configure support for them. * * Editing this file and doing a full rebuild (and an initdb if noted) * should be sufficient to change any of these. *------------------------------------------------------------------------ */ /* * Hard limit on number of backend server processes per postmaster. * Increasing this costs about 32 bytes per process slot as of v 6.5. */ #define MAXBACKENDS (DEF_MAXBACKENDS > 1024 ? DEF_MAXBACKENDS : 1024) /* * Default number of buffers in shared buffer pool (each of size BLCKSZ). * This is just the default setting for the postmaster's -B switch. * Perhaps it ought to be configurable from a configure switch. * NOTE: default setting corresponds to the minimum number of buffers * that postmaster.c will allow for the default MaxBackends value. */ #define DEF_NBUFFERS (DEF_MAXBACKENDS > 8 ? DEF_MAXBACKENDS * 2 : 16) /* * Size of a disk block --- currently, this limits the size of a tuple. * You can set it bigger if you need bigger tuples. * * CAUTION: changing BLCKSZ requires an initdb. * * currently must be <= 32k bjm */ #define BLCKSZ 8192 /* * RELSEG_SIZE is the maximum number of blocks allowed in one disk file. * Thus, the maximum size of a single file is RELSEG_SIZE * BLCKSZ; * relations bigger than that are divided into multiple files. * * CAUTION: RELSEG_SIZE * BLCKSZ must be less than your OS' limit on file * size. This is typically 2Gb or 4Gb in a 32-bit operating system. By * default, we make the limit 1Gb to avoid any possible integer-overflow * problems within the OS. A limit smaller than necessary only means we * divide a large relation into more chunks than necessary, so it seems * best to err in the direction of a small limit. (Besides, a power-of-2 * value saves a few cycles in md.c.) * * CAUTION: changing RELSEG_SIZE requires an initdb. */ #define RELSEG_SIZE (0x40000000 / BLCKSZ) /* * Maximum number of columns in an index and maximum number of arguments * to a function. They must be the same value. * * The minimum value is 8 (index creation uses 8-argument functions). * There is no specific upper limit, although large values will waste * system-table space and processing time. * * CAUTION: changing these requires an initdb. * * BTW: if you need to call dynamically-loaded old-style C functions that * have more than 16 arguments, you will also need to add cases to the * switch statement in fmgr_oldstyle() in src/backend/utils/fmgr/fmgr.c. * But consider converting such functions to new-style instead... */ #define INDEX_MAX_KEYS 16 #define FUNC_MAX_ARGS INDEX_MAX_KEYS /* * Define this to make libpgtcl's "pg_result -assign" command process C-style * backslash sequences in returned tuple data and convert Postgres array * attributes into Tcl lists. CAUTION: this conversion is *wrong* unless * you install the routines in contrib/string/string_io to make the backend * produce C-style backslash sequences in the first place. */ /* #define TCL_ARRAYS */ /* * User locks are handled totally on the application side as long term * cooperative locks which extend beyond the normal transaction boundaries. * Their purpose is to indicate to an application that someone is `working' * on an item. Define this flag to enable user locks. You will need the * loadable module user-locks.c to use this feature. */ #define USER_LOCKS /* * Define this if you want psql to _always_ ask for a username and a password * for password authentication. */ /* #define PSQL_ALWAYS_GET_PASSWORDS */ /* * Define this if you want to allow the lo_import and lo_export SQL functions * to be executed by ordinary users. By default these functions are only * available to the Postgres superuser. CAUTION: these functions are * SECURITY HOLES since they can read and write any file that the Postgres * backend has permission to access. If you turn this on, don't say we * didn't warn you. */ /* #define ALLOW_DANGEROUS_LO_FUNCTIONS */ /* * Use btree bulkload code: * this code is moderately slow (~10% slower) compared to the regular * btree (insertion) build code on sorted or well-clustered data. on * random data, however, the insertion build code is unusable -- the * difference on a 60MB heap is a factor of 15 because the random * probes into the btree thrash the buffer pool. * * Great thanks to Paul M. Aoki (aoki@CS.Berkeley.EDU) */ #define FASTBUILD /* access/nbtree/nbtsort.c */ /* * MAXPGPATH: standard size of a pathname buffer in Postgres (hence, * maximum usable pathname length is one less). * * We'd use a standard system header symbol for this, if there weren't * so many to choose from: MAXPATHLEN, _POSIX_PATH_MAX, MAX_PATH, PATH_MAX * are all defined by different "standards", and often have different * values on the same platform! So we just punt and use a reasonably * generous setting here. */ #define MAXPGPATH 1024 /* * DEFAULT_MAX_EXPR_DEPTH: default value of max_expr_depth SET variable. */ #define DEFAULT_MAX_EXPR_DEPTH 10000 /* *------------------------------------------------------------------------ * These hand-configurable symbols are for enabling debugging code, * not for controlling user-visible features or resource limits. *------------------------------------------------------------------------ */ /* Define this to cause pfree()'d memory to be cleared immediately, * to facilitate catching bugs that refer to already-freed values. * XXX For 7.1 development, define this automatically if --enable-cassert. * In the long term it probably doesn't need to be on by default. */ #ifdef USE_ASSERT_CHECKING #define CLOBBER_FREED_MEMORY #endif /* Define this to check memory leaks */ #ifdef USE_ASSERT_CHECKING #define MEMORY_CONTEXT_CHECKING #endif /* Define this to force all parse and plan trees to be passed through * copyObject(), to facilitate catching errors and omissions in copyObject(). * XXX For 7.1 development, define this automatically if --enable-cassert. * In the long term it probably doesn't need to be on by default. */ #ifdef USE_ASSERT_CHECKING #define COPY_PARSE_PLAN_TREES #endif /* Enable debugging print statements in the date/time support routines. */ /* #define DATEDEBUG */ /* * Other debug #defines (documentation, anyone?) */ /* #define IPORTAL_DEBUG */ /* #define HEAPDEBUGALL */ /* #define ISTRATDEBUG */ /* #define FASTBUILD_DEBUG */ /* #define ACLDEBUG */ /* #define RTDEBUG */ /* #define GISTDEBUG */ /* #define OMIT_PARTIAL_INDEX */ /* #define NO_SECURITY */ /* #define LOCK_DEBUG */ /* * defining unsafe floats's will make float4 and float8 * ops faster at the cost of safety, of course! */ /* #define UNSAFE_FLOATS */ /* *------------------------------------------------------------------------ * Part 3: system configuration information that is auto-detected by * configure. In theory you shouldn't have to touch any of this stuff * by hand. In the real world, configure might get it wrong... *------------------------------------------------------------------------ */ /* Define const as empty if your compiler doesn't grok const. */ #undef const /* Define as your compiler's spelling of "inline", or empty if no inline. */ #undef inline /* Define signed as empty if your compiler doesn't grok "signed char" etc */ #undef signed /* Define volatile as empty if your compiler doesn't grok volatile. */ #undef volatile /* Define if your cpp understands the ANSI stringizing operators in macros */ #undef HAVE_STRINGIZE /* Set to 1 if you have */ #undef HAVE_CRYPT_H /* Set to 1 if you have */ #undef HAVE_DLD_H /* Set to 1 if you have */ #undef HAVE_ENDIAN_H /* Set to 1 if you have */ #undef HAVE_FP_CLASS_H /* Set to 1 if you have */ #undef HAVE_GETOPT_H /* Set to 1 if you have */ #undef HAVE_HISTORY_H /* Set to 1 if you have */ #undef HAVE_IEEEFP_H /* Set to 1 if you have */ #undef HAVE_READLINE_H /* Set to 1 if you have */ #undef HAVE_READLINE_HISTORY_H /* Set to 1 if you have */ #undef HAVE_READLINE_READLINE_H /* Set to 1 if you have */ #undef HAVE_SYS_SELECT_H /* Set to 1 if you have */ #undef HAVE_TERMIOS_H /* Set to 1 if you have */ #undef HAVE_VALUES_H /* Set to 1 if you have */ #undef HAVE_SYS_PSTAT_H /* Define if you have the setproctitle function. */ #undef HAVE_SETPROCTITLE /* Define if you have the pstat function. */ #undef HAVE_PSTAT /* Define if the PS_STRINGS thing exists. */ #undef HAVE_PS_STRINGS /* Define if you have the stricmp function. */ #undef HAVE_STRICMP /* Set to 1 if you have libreadline and it includes history functions */ #undef HAVE_HISTORY_IN_READLINE /* Set to 1 if you have */ #undef HAVE_PWD_H /* Set to 1 if you gettimeofday(a,b) vs gettimeofday(a) */ #undef GETTIMEOFDAY_1ARG #ifdef GETTIMEOFDAY_1ARG # define gettimeofday(a,b) gettimeofday(a) #endif /* Set to 1 if you have snprintf() in the C library */ #undef HAVE_SNPRINTF /* Set to 1 if your standard system headers declare snprintf() */ #undef HAVE_SNPRINTF_DECL /* Set to 1 if you have vsnprintf() in the C library */ #undef HAVE_VSNPRINTF /* Set to 1 if your standard system headers declare vsnprintf() */ #undef HAVE_VSNPRINTF_DECL /* Set to 1 if you have strerror() */ #undef HAVE_STRERROR /* Set to 1 if you have isinf() */ #undef HAVE_ISINF #ifndef HAVE_ISINF extern int isinf(double x); #endif /* * These are all related to port/isinf.c */ #undef HAVE_FPCLASS #undef HAVE_FP_CLASS #undef HAVE_FP_CLASS_H #undef HAVE_FP_CLASS_D #undef HAVE_CLASS /* Set to 1 if you have gethostname() */ #undef HAVE_GETHOSTNAME #ifndef HAVE_GETHOSTNAME extern int gethostname(char *name, int namelen); #endif /* Set to 1 if struct tm has a tm_zone member */ #undef HAVE_TM_ZONE /* Set to 1 if you have int timezone. * NOTE: if both tm_zone and a global timezone variable exist, * using the tm_zone field should probably be preferred, * since global variables are inherently not thread-safe. */ #undef HAVE_INT_TIMEZONE /* Set to 1 if you have cbrt() */ #undef HAVE_CBRT /* Set to 1 if you have inet_aton() */ #undef HAVE_INET_ATON #ifndef HAVE_INET_ATON # ifdef HAVE_ARPA_INET_H # ifdef HAVE_NETINET_IN_H # include # include # endif # include # endif extern int inet_aton(const char *cp, struct in_addr * addr); #endif /* Set to 1 if you have fcvt() */ #undef HAVE_FCVT /* Set to 1 if you have rint() */ #undef HAVE_RINT /* Set to 1 if you have finite() */ #undef HAVE_FINITE /* Set to 1 if you have memmove() */ #undef HAVE_MEMMOVE /* Set to 1 if you have sigsetjmp() */ #undef HAVE_SIGSETJMP /* * When there is no sigsetjmp, its functionality is provided by plain * setjmp. Incidentally, nothing provides setjmp's functionality in * that case. */ #ifndef HAVE_SIGSETJMP # define sigjmp_buf jmp_buf # define sigsetjmp(x,y) setjmp(x) # define siglongjmp longjmp #endif /* Set to 1 if you have sysconf() */ #undef HAVE_SYSCONF /* Set to 1 if you have getrusage() */ #undef HAVE_GETRUSAGE /* Set to 1 if you have waitpid() */ #undef HAVE_WAITPID /* Set to 1 if you have setsid() */ #undef HAVE_SETSID /* Set to 1 if you have sigprocmask() */ #undef HAVE_SIGPROCMASK /* Set to 1 if you have sigprocmask() */ #undef HAVE_STRCASECMP #ifndef HAVE_STRCASECMP extern int strcasecmp(char *s1, char *s2); #endif /* Set to 1 if you have strtol() */ #undef HAVE_STRTOL /* Set to 1 if you have strtoul() */ #undef HAVE_STRTOUL /* Set to 1 if you have strdup() */ #undef HAVE_STRDUP #ifndef HAVE_STRDUP extern char *strdup(char const *); #endif /* Set to 1 if you have random() */ #undef HAVE_RANDOM #ifndef HAVE_RANDOM extern long random(void); #endif /* Set to 1 if you have srandom() */ #undef HAVE_SRANDOM #ifndef HAVE_SRANDOM extern void srandom(unsigned int seed); #endif /* Set to 1 if you have libz.a */ #undef HAVE_LIBZ /* Set to 1 if you have libreadline.a */ #undef HAVE_LIBREADLINE /* Set to 1 if you have libhistory.a */ #undef HAVE_LIBHISTORY /* Set to 1 if your libreadline defines rl_completion_append_character */ #undef HAVE_RL_COMPLETION_APPEND_CHARACTER /* Set to 1 if your libreadline has filename_completion_function */ #undef HAVE_FILENAME_COMPLETION_FUNCTION /* Set to 1 if your readline headers actually declare the above */ #undef HAVE_FILENAME_COMPLETION_FUNCTION_DECL /* Set to 1 if you have getopt_long() (GNU long options) */ #undef HAVE_GETOPT_LONG /* Set to 1 if you have union semun */ #undef HAVE_UNION_SEMUN /* Set to 1 if you have F_SETLK option for fcntl() */ #undef HAVE_FCNTL_SETLK /* Set to 1 if type "long int" works and is 64 bits */ #undef HAVE_LONG_INT_64 /* Set to 1 if type "long long int" works and is 64 bits */ #undef HAVE_LONG_LONG_INT_64 /* Define this as the appropriate snprintf format for 64-bit ints, if any */ #undef INT64_FORMAT /* * These must be defined as the alignment requirement (NOT the size) of * each of the basic C data types (except char, which we assume has align 1). * MAXIMUM_ALIGNOF is the largest alignment requirement for any C data type. * ALIGNOF_LONG_LONG_INT need only be defined if HAVE_LONG_LONG_INT_64 is. */ #undef ALIGNOF_SHORT #undef ALIGNOF_INT #undef ALIGNOF_LONG #undef ALIGNOF_LONG_LONG_INT #undef ALIGNOF_DOUBLE #undef MAXIMUM_ALIGNOF /* Define as the type of the 3rd argument to accept() */ #undef ACCEPT_TYPE_ARG3 /* Define if POSIX signal interface is available */ #undef HAVE_POSIX_SIGNALS /* Define if C++ compiler accepts "using namespace std" */ #undef HAVE_NAMESPACE_STD /* Define if C++ compiler accepts "#include " */ #undef HAVE_CXX_STRING_HEADER /* *------------------------------------------------------------------------ * Part 4: pull in system-specific declarations. * * This is still configure's responsibility, because it picks where * the "os.h" symlink points... *------------------------------------------------------------------------ */ /* * Pull in OS-specific declarations (using link created by configure) */ #include "os.h" /* * The following is used as the arg list for signal handlers. Any ports * that take something other than an int argument should override this in * the port-specific os.h file. Note that variable names are required * because it is used in both the prototypes as well as the definitions. * Note also the long name. We expect that this won't collide with * other names causing compiler warnings. */ #ifndef SIGNAL_ARGS #define SIGNAL_ARGS int postgres_signal_arg #endif #endif /* CONFIG_H */