/* the purpose of this file is to reduce the use of #ifdef's through
 * the code base by those porting the software, an dto facilitate the
 * eventual use of autoconf to build the server 
 */

#ifndef CONFIG_H
#define CONFIG_H

#define BLCKSZ	8192

/* Found in catalog/catalog.c, but doesn't seem to do anything in there */
#if !defined(sparc_solaris)
#ifndef MAXPATHLEN
#define MAXPATHLEN      80
#endif
#endif /* !defined(sparc_solaris) */

#define HAVE_MEMMOVE

#if defined(aix)
#  define CLASS_CONFLICT 
#  define DISABLE_XOPEN_NLS 
#  define NEED_ISINF
#  define NEED_UNION_SEMUN 
#  define NEED_SYS_SELECT_H
#  define HAVE_TZSET
#  define HAVE_ANSI_CPP
#endif

#if defined(alpha)
#  define USE_POSIX_TIME 
#  define USE_POSIX_SIGNALS
#  define DISABLE_XOPEN_NLS 
#  define NEED_ISINF 
#  define HAS_LONG_LONG
#  define NEED_UNION_SEMUN 
#endif

#if defined(BSD44_derived) || \
    defined(bsdi)
#  if defined(bsdi)
#    define SIGJMP_BUF
#  endif
#  define USE_LIMITS_H
#  define USE_POSIX_TIME
#  define NEED_CBRT
#  if defined(PRE_BSDI_2_1)
#    define NEED_UNION_SEMUN 
#  endif
#endif

#if defined(dgux)
#  define LINUX_ELF
#  define NEED_UNION_SEMUN 
#  define __USE_POSIX_SIGNALS
#  define -DUSE_POSIX_SIGNALS
#endif

#if defined(hpux)
#  define SIGJMP_BUF
#  define USE_POSIX_TIME
#  define HAVE_TZSET
#  define NEED_CBRT
#  define NEED_RINT
#  define NEED_UNION_SEMUN 
#endif

#if defined(i386_solaris) 
#  define USE_POSIX_TIME 
#  define USE_POSIX_SIGNALS
#  define NEED_ISINF 
#  define NEED_RUSAGE 
#  define NO_EMPTY_STMTS
#  define HAVE_TZSET
#  define NEED_UNION_SEMUN 
#  define SYSV_DIRENT
#endif

#if defined(irix5)
#  define USE_POSIX_TIME 
#  define USE_POSIX_SIGNALS
#  define NEED_ISINF 
#  define NO_EMPTY_STMTS
#  define NO_VFORK
#  define HAVE_TZSET
#  define SYSV_DIRENT
#endif

#if defined(linux)
/* __USE_POSIX, __USE_BSD, and __USE_BSD_SIGNAL used to be defined either
   here or with -D compile options, but __ macros should be set and used by C
   library macros, not Postgres code.  __USE_POSIX is set by features.h,
   __USE_BSD is set by bsd/signal.h, and __USE_BSD_SIGNAL appears not to
   be used.
*/
#  define SIGJMP_BUF
#  define USE_POSIX_TIME
#  define HAVE_TZSET
#  define NEED_CBRT
#endif

#if defined(next)
#  define SIGJMP_BUF
#  define NEED_SIG_JMP
#endif

#if defined(sequent) 
#  define NEED_UNION_SEMUN 
#endif

#if defined(sparc) && !defined(sparc_solaris)
#  define USE_POSIX_TIME
#  undef HAVE_MEMMOVE
#endif

#if defined(sparc_solaris)
#  define USE_POSIX_TIME 
#  define USE_POSIX_SIGNALS
#  define NEED_ISINF 
#  define NEED_RUSAGE 
#  define NO_EMPTY_STMTS
#  define USE_POSIX_TIME
#  define HAVE_TZSET
#  define NEED_UNION_SEMUN 
#  define SYSV_DIRENT
#endif

#if defined(svr4) 
#  define USE_POSIX_TIME 
#  define USE_POSIX_SIGNALS
#  define NEED_ISINF 
#  define NEED_RUSAGE 
#  define NO_EMPTY_STMTS
#  define HAVE_TZSET
#  define NEED_UNION_SEMUN 
#  define SYSV_DIRENT
#endif

#if defined(win32)
#  define SIGJMP_BUF
#  define NEED_SIG_JMP
#  define NO_UNISTD_H
#  define USES_WINSOCK 
#  define NOFILE	100
#  define NEED_UNION_SEMUN
#  define HAVE_TZSET
#  define NEED_CBRT
#  define NEED_ISINF
#endif /* WIN32 */

#if defined(ultrix4)
#  define NEED_ISINF 
#  define USE_POSIX_TIME
#  define NEED_UNION_SEMUN 
#  define NEED_STRDUP
#endif


/*
 * 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
 * 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

/* NAMEDATALEN is the max length for system identifiers (e.g. table names,
 * attribute names, function names, etc.)
 *
 * These MUST be set here.  DO NOT COMMENT THESE OUT
 * Setting these too high will result in excess space usage for system catalogs
 * Setting them too low will make the system unusable.
 * values between 16 and 64 that are multiples of four are recommended.
 *
 * NOTE also that databases with different NAMEDATALEN's cannot interoperate!
 */ 
#define NAMEDATALEN 32
/* OIDNAMELEN should be set to NAMEDATALEN + sizeof(Oid) */
#define OIDNAMELEN  36

/* 
 * 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.
 */ 

#define DEF_PGPORT "5432"

/* turn this on if you prefer European style dates instead of American
 * style dates
 */
/* #define EUROPEAN_DATES  */

/*
 * If you do not plan to use Host based authentication,
 * comment out the following line
 */
#define HBA

/*
 * 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.
 */

/*  Debug and various "defines" that should be documented */

/* found in function aclparse() in src/backend/utils/adt/acl.c */
/* #define ACLDEBUG */

/* found in src/backend/utils/adt/arrayfuncs.c
   code seems broken without it, Bruce Momjian */
/* #define LOARRAY */

/* This is the time, in seconds, at which a given backend server
 * will wait on a lock before deciding to abort the transaction
 * (this is what we do in lieu of deadlock detection).
 *
 * Low numbers are not recommended as they will tend to cause
 * false aborts if many transactions are long-lived.
 */
#define DEADLOCK_TIMEOUT 60

#define INDEXSCAN_PATCH 

/* #define DATEDEBUG */

/* #define USE_SHORT_YEAR */

/*
 * defining unsafe floats's will make float4 and float8
 * ops faster at the cost of safety, of course!        
 */
/* #define UNSAFE_FLOATS */

/*
 * There is a bug in the function executor. The backend crashes while trying to
 * execute an sql function containing an utility command (create, notify, ...).
 * The bug is part in the planner, which returns a number of plans different
 * than the number of commands if there are utility commands in the query, and
 * in part in the function executor which assumes that all commands are normal
 * query commands and causes a SIGSEGV trying to execute commands without plan.
 */
#define FUNC_UTIL_PATCH

/*
 * Async notifies received while a backend is in the middle of a begin/end
 * transaction block are lost by libpq when the final end command is issued.
 * 
 * The bug is in the routine PQexec of libpq. The routine throws away any
 * message from the backend when a message of type 'C' is received. This
 * type of message is sent when the result of a portal query command with
 * no tuples is returned. Unfortunately this is the case of the end command.
 * As all async notification are sent only when the transaction is finished,
 * if they are received in the middle of a transaction they are lost in the
 * libpq library. I added some tracing code to PQexec and this is the output:
 */
#define PQ_NOTIFY_PATCH

/* Debug #defines */
/* #define IPORTAL_DEBUG  */
/* #define HEAPDEBUGALL  */
/* #define ISTRATDEBUG  */
/* #define FASTBUILD_DEBUG */
#define RTDEBUG 
#define GISTDEBUG 
/* #define PURGEDEBUG */
/* #define DEBUG_RECIPE */


/* The following don't have any apparent purpose, but are in the
 * code.  someday, will take them out altogether, but for now, 
 * document them here
 */
/* #define OMIT_PARTIAL_INDEX */
/* #define PERFECT_MMGR       */
/* #define PERFECT_MEM        */
/* #define NO_BUFFERISVALID   */
/* #define NO_SECURITY        */
/* #define TIOGA              */
/* #define OLD_REWRITE        */
/* #define NOTYET             */


/* Undocumented "features"? */
#define FASTBUILD /* access/nbtree/nbtsort.c */






#endif /* CONFIG_H */

