586 lines
17 KiB
C
586 lines
17 KiB
C
/*
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* PostgreSQL configuration-settings file.
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*
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* config.h.in is processed by configure to produce config.h.
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*
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* If you want to modify any of the tweakable settings in Part 2
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* of this file, you can do it in config.h.in before running configure,
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* or in config.h afterwards. Of course, if you edit config.h, then your
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* changes will be overwritten the next time you run configure.
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*
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* $Id: config.h.in,v 1.133 2000/08/27 19:00:39 petere Exp $
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*/
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#ifndef CONFIG_H
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#define CONFIG_H
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/*
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*------------------------------------------------------------------------
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* Part 1: feature symbols and limits that are set by configure based on
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* user-supplied switches. This is first so that stuff in Part 2 can
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* depend on these values.
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*
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* Beware of "fixing" configure-time mistakes by editing these values,
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* since configure may have inserted the settings in other files as well
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* as here. Best to rerun configure if you forgot --enable-multibyte
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* or whatever.
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*------------------------------------------------------------------------
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*/
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/* The version number is actually hard-coded into configure.in */
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#undef PG_VERSION
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/* A canonical string containing the version number, platform, and C compiler */
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#undef PG_VERSION_STR
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/* Set to 1 if you want LOCALE support (--enable-locale) */
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#undef USE_LOCALE
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/* Set to 1 if you want cyrillic recode (--enable-recode) */
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#undef CYR_RECODE
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/* Set to 1 if you want to use multibyte characters (--enable-multibyte) */
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#undef MULTIBYTE
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/* Set to 1 if you want ASSERT checking (--enable-cassert) */
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#undef USE_ASSERT_CHECKING
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/* Set to 1 to use syslog() to write postmaster log (--enable-syslog) */
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/* (CAUTION: large log entries confuse syslog on many platforms!) */
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#undef ENABLE_SYSLOG
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/* Define to build with Kerberos 4 support (--with-krb4[=DIR]) */
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#undef KRB4
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/* Define to build with Kerberos 5 support (--with-krb5[=DIR]) */
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#undef KRB5
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/* Kerberos name of the Postgres service principal (--with-krb-srvnam=NAME) */
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#undef PG_KRB_SRVNAM
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/* Define to build with (Open)SSL support (--with-openssl[=DIR]) */
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#undef USE_SSL
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/*
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* DEF_PGPORT is the TCP port number on which the Postmaster listens and
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* which clients will try to connect to. This is just a default value;
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* it can be overridden at postmaster or client startup. It's awfully
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* convenient if your clients have the right default compiled in, though.
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* (--with-pgport=PORTNUM)
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*/
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#undef DEF_PGPORT
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/* ... and once more as a string constant instead */
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#undef DEF_PGPORT_STR
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/*
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* Default soft limit on number of backend server processes per postmaster;
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* this is just the default setting for the postmaster's -N switch.
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* (--with-maxbackends=N)
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*/
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#undef DEF_MAXBACKENDS
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/*
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*------------------------------------------------------------------------
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* Part 2: feature symbols and limits that are user-configurable, but
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* only by editing this file ... there's no configure support for them.
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*
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* Editing this file and doing a full rebuild (and an initdb if noted)
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* should be sufficient to change any of these.
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*------------------------------------------------------------------------
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*/
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/*
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* Hard limit on number of backend server processes per postmaster.
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* Increasing this costs about 32 bytes per process slot as of v 6.5.
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*/
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#define MAXBACKENDS (DEF_MAXBACKENDS > 1024 ? DEF_MAXBACKENDS : 1024)
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/*
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* Default number of buffers in shared buffer pool (each of size BLCKSZ).
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* This is just the default setting for the postmaster's -B switch.
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* Perhaps it ought to be configurable from a configure switch.
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* NOTE: default setting corresponds to the minimum number of buffers
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* that postmaster.c will allow for the default MaxBackends value.
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*/
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#define DEF_NBUFFERS (DEF_MAXBACKENDS > 8 ? DEF_MAXBACKENDS * 2 : 16)
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/*
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* Size of a disk block --- this also limits the size of a tuple.
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* You can set it bigger if you need bigger tuples (although TOAST
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* should reduce the need to have large tuples, since fields can now
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* be spread across multiple tuples).
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*
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* The maximum possible value of BLCKSZ is currently 2^15 (32768).
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* This is determined by the 15-bit widths of the lp_off and lp_len
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* fields in ItemIdData (see include/storage/itemid.h).
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*
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* CAUTION: changing BLCKSZ requires an initdb.
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*/
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#define BLCKSZ 8192
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/*
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* RELSEG_SIZE is the maximum number of blocks allowed in one disk file.
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* Thus, the maximum size of a single file is RELSEG_SIZE * BLCKSZ;
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* relations bigger than that are divided into multiple files.
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*
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* CAUTION: RELSEG_SIZE * BLCKSZ must be less than your OS' limit on file
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* size. This is typically 2Gb or 4Gb in a 32-bit operating system. By
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* default, we make the limit 1Gb to avoid any possible integer-overflow
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* problems within the OS. A limit smaller than necessary only means we
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* divide a large relation into more chunks than necessary, so it seems
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* best to err in the direction of a small limit. (Besides, a power-of-2
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* value saves a few cycles in md.c.)
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*
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* CAUTION: changing RELSEG_SIZE requires an initdb.
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*/
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#define RELSEG_SIZE (0x40000000 / BLCKSZ)
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/*
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* Maximum number of columns in an index and maximum number of arguments
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* to a function. They must be the same value.
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*
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* The minimum value is 8 (index creation uses 8-argument functions).
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* There is no specific upper limit, although large values will waste
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* system-table space and processing time.
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*
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* CAUTION: changing these requires an initdb.
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*
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* BTW: if you need to call dynamically-loaded old-style C functions that
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* have more than 16 arguments, you will also need to add cases to the
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* switch statement in fmgr_oldstyle() in src/backend/utils/fmgr/fmgr.c.
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* But consider converting such functions to new-style instead...
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*/
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#define INDEX_MAX_KEYS 16
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#define FUNC_MAX_ARGS INDEX_MAX_KEYS
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/*
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* Define this to make libpgtcl's "pg_result -assign" command process C-style
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* backslash sequences in returned tuple data and convert Postgres array
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* attributes into Tcl lists. CAUTION: this conversion is *wrong* unless
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* you install the routines in contrib/string/string_io to make the backend
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* produce C-style backslash sequences in the first place.
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*/
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/* #define TCL_ARRAYS */
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/*
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* User locks are handled totally on the application side as long term
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* cooperative locks which extend beyond the normal transaction boundaries.
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* Their purpose is to indicate to an application that someone is `working'
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* on an item. Define this flag to enable user locks. You will need the
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* loadable module user-locks.c to use this feature.
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*/
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#define USER_LOCKS
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/*
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* Define this if you want psql to _always_ ask for a username and a password
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* for password authentication.
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*/
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/* #define PSQL_ALWAYS_GET_PASSWORDS */
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/*
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* Define this if you want to allow the lo_import and lo_export SQL functions
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* to be executed by ordinary users. By default these functions are only
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* available to the Postgres superuser. CAUTION: these functions are
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* SECURITY HOLES since they can read and write any file that the Postgres
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* backend has permission to access. If you turn this on, don't say we
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* didn't warn you.
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*/
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/* #define ALLOW_DANGEROUS_LO_FUNCTIONS */
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/*
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* Use btree bulkload code:
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* this code is moderately slow (~10% slower) compared to the regular
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* btree (insertion) build code on sorted or well-clustered data. on
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* random data, however, the insertion build code is unusable -- the
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* difference on a 60MB heap is a factor of 15 because the random
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* probes into the btree thrash the buffer pool.
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*
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* Great thanks to Paul M. Aoki (aoki@CS.Berkeley.EDU)
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*/
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#define FASTBUILD /* access/nbtree/nbtsort.c */
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/*
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* MAXPGPATH: standard size of a pathname buffer in Postgres (hence,
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* maximum usable pathname length is one less).
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*
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* We'd use a standard system header symbol for this, if there weren't
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* so many to choose from: MAXPATHLEN, _POSIX_PATH_MAX, MAX_PATH, PATH_MAX
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* are all defined by different "standards", and often have different
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* values on the same platform! So we just punt and use a reasonably
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* generous setting here.
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*/
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#define MAXPGPATH 1024
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/*
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* DEFAULT_MAX_EXPR_DEPTH: default value of max_expr_depth SET variable.
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*/
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#define DEFAULT_MAX_EXPR_DEPTH 10000
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/*
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* You can try changing this if you have a machine with bytes of another
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* size, but no guarantee...
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*/
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#define BITS_PER_BYTE 8
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/*
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* Define this is your operating system kernel supports AF_UNIX family
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* sockets.
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*/
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#if !defined(__CYGWIN32__) && !defined(__QNX__)
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# define HAVE_UNIX_SOCKETS 1
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#endif
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/*
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*------------------------------------------------------------------------
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* These hand-configurable symbols are for enabling debugging code,
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* not for controlling user-visible features or resource limits.
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*------------------------------------------------------------------------
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*/
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/* Define this to cause pfree()'d memory to be cleared immediately,
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* to facilitate catching bugs that refer to already-freed values.
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* XXX For 7.1 development, define this automatically if --enable-cassert.
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* In the long term it probably doesn't need to be on by default.
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*/
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#ifdef USE_ASSERT_CHECKING
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#define CLOBBER_FREED_MEMORY
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#endif
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/* Define this to check memory leaks
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*/
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#ifdef USE_ASSERT_CHECKING
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#define MEMORY_CONTEXT_CHECKING
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#endif
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/* Define this to force all parse and plan trees to be passed through
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* copyObject(), to facilitate catching errors and omissions in copyObject().
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* XXX For 7.1 development, define this automatically if --enable-cassert.
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* In the long term it probably doesn't need to be on by default.
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*/
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#ifdef USE_ASSERT_CHECKING
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#define COPY_PARSE_PLAN_TREES
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#endif
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/* Enable debugging print statements in the date/time support routines. */
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/* #define DATEDEBUG */
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/*
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* Other debug #defines (documentation, anyone?)
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*/
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/* #define IPORTAL_DEBUG */
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/* #define HEAPDEBUGALL */
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/* #define ISTRATDEBUG */
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/* #define FASTBUILD_DEBUG */
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/* #define ACLDEBUG */
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/* #define RTDEBUG */
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/* #define GISTDEBUG */
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/* #define OMIT_PARTIAL_INDEX */
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/* #define NO_SECURITY */
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/* #define LOCK_DEBUG */
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/*
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* defining unsafe floats's will make float4 and float8
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* ops faster at the cost of safety, of course!
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*/
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/* #define UNSAFE_FLOATS */
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/*
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*------------------------------------------------------------------------
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* Part 3: system configuration information that is auto-detected by
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* configure. In theory you shouldn't have to touch any of this stuff
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* by hand. In the real world, configure might get it wrong...
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*------------------------------------------------------------------------
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*/
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/* Define const as empty if your compiler doesn't grok const. */
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#undef const
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/* Define as your compiler's spelling of "inline", or empty if no inline. */
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#undef inline
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/* Define if your cpp understands the ANSI stringizing operators in macros */
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#undef HAVE_STRINGIZE
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/* Set to 1 if you have <crypt.h> */
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#undef HAVE_CRYPT_H
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/* Set to 1 if you have <dld.h> */
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#undef HAVE_DLD_H
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/* Set to 1 if you have <endian.h> */
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#undef HAVE_ENDIAN_H
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/* Set to 1 if you have <fp_class.h> */
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#undef HAVE_FP_CLASS_H
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/* Set to 1 if you have <getopt.h> */
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#undef HAVE_GETOPT_H
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/* Set to 1 if you have <history.h> */
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#undef HAVE_HISTORY_H
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/* Set to 1 if you have <ieeefp.h> */
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#undef HAVE_IEEEFP_H
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/* Set to 1 if you have <readline.h> */
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#undef HAVE_READLINE_H
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/* Set to 1 if you have <readline/history.h> */
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#undef HAVE_READLINE_HISTORY_H
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/* Set to 1 if you have <readline/readline.h> */
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#undef HAVE_READLINE_READLINE_H
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/* Set to 1 if you have <sys/select.h> */
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#undef HAVE_SYS_SELECT_H
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/* Set to 1 if you have <termios.h> */
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#undef HAVE_TERMIOS_H
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/* Set to 1 if you have <sys/pstat.h> */
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#undef HAVE_SYS_PSTAT_H
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/* Define if you have the setproctitle function. */
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#undef HAVE_SETPROCTITLE
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/* Define if you have the pstat function. */
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#undef HAVE_PSTAT
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/* Define if the PS_STRINGS thing exists. */
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#undef HAVE_PS_STRINGS
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/* Define if you have the stricmp function. */
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#undef HAVE_STRICMP
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/* Set to 1 if you have libreadline and it includes history functions */
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#undef HAVE_HISTORY_IN_READLINE
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/* Set to 1 if you have <pwd.h> */
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#undef HAVE_PWD_H
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/* Set to 1 if you gettimeofday(a,b) vs gettimeofday(a) */
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#undef GETTIMEOFDAY_1ARG
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#ifdef GETTIMEOFDAY_1ARG
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# define gettimeofday(a,b) gettimeofday(a)
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#endif
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/* Set to 1 if you have snprintf() in the C library */
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#undef HAVE_SNPRINTF
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/* Set to 1 if your standard system headers declare snprintf() */
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#undef HAVE_SNPRINTF_DECL
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/* Set to 1 if you have vsnprintf() in the C library */
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#undef HAVE_VSNPRINTF
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/* Set to 1 if your standard system headers declare vsnprintf() */
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#undef HAVE_VSNPRINTF_DECL
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/* Set to 1 if you have strerror() */
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#undef HAVE_STRERROR
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/* Set to 1 if you have isinf() */
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#undef HAVE_ISINF
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#ifndef HAVE_ISINF
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extern int isinf(double x);
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#endif
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/*
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* These are all related to port/isinf.c
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*/
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#undef HAVE_FPCLASS
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#undef HAVE_FP_CLASS
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#undef HAVE_FP_CLASS_H
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#undef HAVE_FP_CLASS_D
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#undef HAVE_CLASS
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/* Set to 1 if you have gethostname() */
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#undef HAVE_GETHOSTNAME
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#ifndef HAVE_GETHOSTNAME
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extern int gethostname(char *name, int namelen);
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#endif
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/* Set to 1 if struct tm has a tm_zone member */
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#undef HAVE_TM_ZONE
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/* Set to 1 if you have int timezone.
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* NOTE: if both tm_zone and a global timezone variable exist,
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* using the tm_zone field should probably be preferred,
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* since global variables are inherently not thread-safe.
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*/
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#undef HAVE_INT_TIMEZONE
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/* Set to 1 if you have cbrt() */
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#undef HAVE_CBRT
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/* Set to 1 if you have inet_aton() */
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#undef HAVE_INET_ATON
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#ifndef HAVE_INET_ATON
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# include <sys/types.h>
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# include <netinet/in.h>
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# include <arpa/inet.h>
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extern int inet_aton(const char *cp, struct in_addr * addr);
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#endif
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/* Set to 1 if you have fcvt() */
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#undef HAVE_FCVT
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/* Set to 1 if you have rint() */
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#undef HAVE_RINT
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/* Set to 1 if you have finite() */
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#undef HAVE_FINITE
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/* Set to 1 if you have memmove() */
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#undef HAVE_MEMMOVE
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/* Set to 1 if you have sigsetjmp() */
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#undef HAVE_SIGSETJMP
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/*
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* When there is no sigsetjmp, its functionality is provided by plain
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* setjmp. Incidentally, nothing provides setjmp's functionality in
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* that case.
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*/
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#ifndef HAVE_SIGSETJMP
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# define sigjmp_buf jmp_buf
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# define sigsetjmp(x,y) setjmp(x)
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# define siglongjmp longjmp
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#endif
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/* Set to 1 if you have sysconf() */
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#undef HAVE_SYSCONF
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/* Set to 1 if you have getrusage() */
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#undef HAVE_GETRUSAGE
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/* Set to 1 if you have waitpid() */
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#undef HAVE_WAITPID
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/* Set to 1 if you have setsid() */
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#undef HAVE_SETSID
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/* Set to 1 if you have sigprocmask() */
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#undef HAVE_SIGPROCMASK
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/* Set to 1 if you have sigprocmask() */
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#undef HAVE_STRCASECMP
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#ifndef HAVE_STRCASECMP
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extern int strcasecmp(char *s1, char *s2);
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#endif
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/* Set to 1 if you have strtol() */
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#undef HAVE_STRTOL
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/* Set to 1 if you have strtoul() */
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#undef HAVE_STRTOUL
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/* Set to 1 if you have strdup() */
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#undef HAVE_STRDUP
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#ifndef HAVE_STRDUP
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extern char *strdup(char const *);
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#endif
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/* Set to 1 if you have random() */
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#undef HAVE_RANDOM
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#ifndef HAVE_RANDOM
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extern long random(void);
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#endif
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/* Set to 1 if you have srandom() */
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#undef HAVE_SRANDOM
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#ifndef HAVE_SRANDOM
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extern void srandom(unsigned int seed);
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#endif
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/* The random() function is expected to yield values 0 .. MAX_RANDOM_VALUE */
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/* Currently, all known implementations yield 0..2^31-1, so we just hardwire
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* this constant. We could do a configure test if it proves to be necessary.
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* CAUTION: Think not to replace this with RAND_MAX. RAND_MAX defines the
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* maximum value of the older rand() function, which is often different from
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* --- and considerably inferior to --- random().
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*/
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#define MAX_RANDOM_VALUE (0x7FFFFFFF)
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/* Set to 1 if you have libz.a */
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#undef HAVE_LIBZ
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/* Set to 1 if you have libreadline.a */
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#undef HAVE_LIBREADLINE
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/* Set to 1 if you have libhistory.a */
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#undef HAVE_LIBHISTORY
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/* Set to 1 if your libreadline defines rl_completion_append_character */
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#undef HAVE_RL_COMPLETION_APPEND_CHARACTER
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/* 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 <string>" */
|
|
#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"
|
|
|
|
#endif /* CONFIG_H */
|