*
* config.h.in is processed by configure to produce config.h.
*
- * If you want to modify any of the tweakable settings in the first part
+ * 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 1.120 2000/06/19 16:58:37 petere Exp $
+ * $Id: config.h.in,v 1.121 2000/06/29 05:50:29 tgl Exp $
*/
#ifndef CONFIG_H
/*
- * Default runtime limit on number of backend server processes per postmaster;
+ *------------------------------------------------------------------------
+ * 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.
+ *------------------------------------------------------------------------
+ */
+
+/* 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
+
+/* Location of the Kerberos server's keytab file (--with-krb-srvtab=FILE) */
+#undef PG_KRB_SRVTAB
+
+/*
+ * 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.
- * (Actual value is now set by configure script.)
+ * (--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.
/*
* 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
*/
-/* currently must be <= 32k bjm */
#define BLCKSZ 8192
/*
* best to err in the direction of a small limit. (Besides, a power-of-2
* value saves a few cycles in md.c.)
*
- * CAUTION: you had best do an initdb if you change either BLCKSZ or
- * RELSEG_SIZE.
+ * 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 9 (btree index creation has a 9-argument function).
+ * 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.
*
- * There is no maximum value, though if you want to pass more than 32
- * arguments to a function, you will have to modify
- * pgsql/src/backend/utils/fmgr/fmgr.c and add additional entries
- * to the 'case' statement for the additional arguments.
+ * 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
/*
- * Enables debugging print statements in the date/time support routines.
- * Particularly useful for porting to a new platform/OS combination.
- */
-/* #define DATEDEBUG */
-
-/*
- * defining unsafe floats's will make float4 and float8
- * ops faster at the cost of safety, of course!
- */
-/* #define UNSAFE_FLOATS */
-
-/*
* 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
#define FASTBUILD /* access/nbtree/nbtsort.c */
/*
- * TBL_FREE_CMD_MEMORY: free memory allocated for a user query inside
- * transaction block after this query is done.
- */
-#define TBL_FREE_CMD_MEMORY
-
-
-#undef ENABLE_SYSLOG
-
-/* Debug #defines */
-/* #define IPORTAL_DEBUG */
-/* #define HEAPDEBUGALL */
-/* #define ISTRATDEBUG */
-/* #define FASTBUILD_DEBUG */
-/* #define ACLDEBUG */
-/* #define RTDEBUG */
-/* #define GISTDEBUG */
-/* #define OMIT_PARTIAL_INDEX */
-/* #define NO_BUFFERISVALID */
-/* #define NO_SECURITY */
-/* #define OLD_REWRITE */
-/* #define LOCK_DEBUG */
-
-/*
* MAXPGPATH: standard size of a pathname buffer in Postgres (hence,
* maximum usable pathname length is one less).
*
*/
#define DEFAULT_MAX_EXPR_DEPTH 10000
-
/*
*------------------------------------------------------------------------
- * Everything past here is set by the configure script.
+ * These hand-configurable symbols are for enabling debugging code,
+ * not for controlling user-visible features or resource limits.
*------------------------------------------------------------------------
*/
-/* Set to 1 if you want to USE_LOCALE */
-#undef USE_LOCALE
+/* 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
-/* Set to 1 if you want CYR_RECODE (cyrillic recode) */
-#undef CYR_RECODE
+/* 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
-/* Set to 1 if you want to use multibyte characters */
-#undef MULTIBYTE
+/* Enable debugging print statements in the date/time support routines. */
+/* #define DATEDEBUG */
-/* Set to 1 if you want to Enable ASSERT CHECKING */
-#undef USE_ASSERT_CHECKING
+/*
+ * 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 */
-/*
- * DEF_PGPORT is the TCP port number on which the Postmaster listens by
- * default. This can be overriden by command options, environment variables,
- * and the postconfig hook. (now set by configure script)
- */
-#undef DEF_PGPORT
-/* ... and once more as a string constant instead */
-#undef DEF_PGPORT_STR
+
+/*
+ *------------------------------------------------------------------------
+ * 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
/* Set to 1 if you have libreadline and it includes history functions */
#undef HAVE_HISTORY_IN_READLINE
-/*
- * Block of parameters for the ODBC code.
- */
-
/* Set to 1 if you have <pwd.h> */
#undef HAVE_PWD_H
/* Define if you have the <sys/param.h> header file. */
#undef HAVE_SYS_PARAM_H
-/* Define if you have the dl library (-ldl). */
-#undef HAVE_LIBDL
-
-/*
- * End parameters for ODBC code.
- */
-
/* Set to 1 if you gettimeofday(a,b) vs gettimeofday(a) */
#undef GETTIMEOFDAY_1ARG
#ifdef GETTIMEOFDAY_1ARG
/* 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
+
/*
- * Set to 1 if you have isinf().
* These are all related to port/isinf.c
*/
#undef HAVE_FPCLASS
#undef HAVE_FP_CLASS_D
#undef HAVE_CLASS
-#undef HAVE_ISINF
-#ifndef HAVE_ISINF
-int isinf(double x);
-#endif
-
/* Set to 1 if you have gethostname() */
#undef HAVE_GETHOSTNAME
#ifndef HAVE_GETHOSTNAME
-int gethostname(char *name, int namelen);
+extern int gethostname(char *name, int namelen);
#endif
/* Set to 1 if struct tm has a tm_zone member */
# endif
# include <arpa/inet.h>
# endif
-extern int inet_aton(const char *cp, struct in_addr * addr);
+extern int inet_aton(const char *cp, struct in_addr * addr);
#endif
/* Set to 1 if you have fcvt() */
/* Set to 1 if you have sigprocmask() */
#undef HAVE_STRCASECMP
#ifndef HAVE_STRCASECMP
-extern int strcasecmp(char *s1, char *s2);
+extern int strcasecmp(char *s1, char *s2);
#endif
/* Set to 1 if you have strtol() */
/* Set to 1 if you have getopt_long() (GNU long options) */
#undef HAVE_GETOPT_LONG
-
-/*
- * On architectures for which we have not implemented spinlocks (or
- * cannot do so), we use System V semaphores. We also use them for
- * long locks. For some reason union semun is never defined in the
- * System V header files so we must do it ourselves.
- */
/* Set to 1 if you have union semun */
#undef HAVE_UNION_SEMUN
/* 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
+/*
+ * 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_DOUBLE
#undef MAXIMUM_ALIGNOF
-/* Define as the type of the type of the 3rd argument to accept() */
+/* Define as the type of the 3rd argument to accept() */
#undef ACCEPT_TYPE_ARG3
/* Define if POSIX signal interface is available */
/* Define if C++ compiler accepts "#include <string>" */
#undef HAVE_CXX_STRING_HEADER
-/* Define if you are building with Kerberos 4 support */
-#undef KRB4
-
-/* Define if you are building with Kerberos 5 support */
-#undef KRB5
-
-/* The name of the Postgres service principal in Kerberos */
-#undef PG_KRB_SRVNAM
-/* The location of the Kerberos server's keytab file */
-#undef PG_KRB_SRVTAB
+/*
+ *------------------------------------------------------------------------
+ * 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)
/*
* The following is used as the arg list for signal handlers. Any ports
- * that take something other than an int argument should change this in
- * the port specific makefile. Note that variable names are required
+ * 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
+#ifndef SIGNAL_ARGS
+#define SIGNAL_ARGS int postgres_signal_arg
#endif
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