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Redefine Datum as uintptr_t, instead of unsigned long.

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This is more in keeping with modern practice, and is a first step towards
porting to Win64 (which has sizeof(pointer) > sizeof(long)).

Tsutomu Yamada, Magnus Hagander, Tom Lane
This commit is contained in:
Tom Lane
2009-12-31 19:41:37 +00:00
parent 8abb011047
commit 85d02a6586
16 changed files with 751 additions and 423 deletions
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12
configure.in
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@ -1,5 +1,5 @@
dnl Process this file with autoconf to produce a configure script.
dnl $PostgreSQL: pgsql/configure.in,v 1.616 2009/12/11 02:21:21 momjian Exp $
dnl $PostgreSQL: pgsql/configure.in,v 1.617 2009/12/31 19:41:33 tgl Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@ -1095,6 +1095,8 @@ PGAC_STRUCT_SOCKADDR_UN
PGAC_STRUCT_SOCKADDR_STORAGE
PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
PGAC_STRUCT_ADDRINFO
AC_TYPE_INTPTR_T
AC_TYPE_UINTPTR_T
AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
[#include <sys/param.h>
@ -1555,12 +1557,10 @@ if test $pgac_need_repl_snprintf = yes; then
AC_LIBOBJ(snprintf)
fi
# Need a #define for the size of Datum (unsigned long)
AC_CHECK_SIZEOF([unsigned long])
# And check size of void *, size_t (enables tweaks for > 32bit address space)
# Check size of void *, size_t (enables tweaks for > 32bit address space)
AC_CHECK_SIZEOF([void *])
AC_CHECK_SIZEOF([size_t])
AC_CHECK_SIZEOF([long])
# Decide whether float4 is passed by value: user-selectable, enabled by default
AC_MSG_CHECKING([whether to build with float4 passed by value])
@ -1577,7 +1577,7 @@ AC_DEFINE_UNQUOTED([FLOAT4PASSBYVAL], [$float4passbyval], [float4 values are pas
# If sizeof(Datum) >= 8, this is user-selectable, enabled by default.
# If not, trying to select it is an error.
AC_MSG_CHECKING([whether to build with float8 passed by value])
if test $ac_cv_sizeof_unsigned_long -ge 8 ; then
if test $ac_cv_sizeof_void_p -ge 8 ; then
PGAC_ARG_BOOL(enable, float8-byval, yes, [disable float8 passed by value])
else
PGAC_ARG_BOOL(enable, float8-byval, no, [disable float8 passed by value])