mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-20 22:53:24 +02:00
5579388d2d
SUSv3, all targeted Unixes and modern Windows have getaddrinfo() and related interfaces. Drop the replacement implementation, and adjust some headers slightly to make sure that the APIs are visible everywhere using standard POSIX headers and names. Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/CA%2BhUKG%2BL_3brvh%3D8e0BW_VfX9h7MtwgN%3DnFHP5o7X2oZucY9dg%40mail.gmail.com
149 lines
4.7 KiB
Plaintext
149 lines
4.7 KiB
Plaintext
# Macros that test various C library quirks
|
|
# config/c-library.m4
|
|
|
|
|
|
# PGAC_VAR_INT_TIMEZONE
|
|
# ---------------------
|
|
# Check if the global variable `timezone' exists. If so, define
|
|
# HAVE_INT_TIMEZONE.
|
|
AC_DEFUN([PGAC_VAR_INT_TIMEZONE],
|
|
[AC_CACHE_CHECK(for int timezone, pgac_cv_var_int_timezone,
|
|
[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <time.h>
|
|
int res;],
|
|
[#ifndef __CYGWIN__
|
|
res = timezone / 60;
|
|
#else
|
|
res = _timezone / 60;
|
|
#endif])],
|
|
[pgac_cv_var_int_timezone=yes],
|
|
[pgac_cv_var_int_timezone=no])])
|
|
if test x"$pgac_cv_var_int_timezone" = xyes ; then
|
|
AC_DEFINE(HAVE_INT_TIMEZONE, 1,
|
|
[Define to 1 if you have the global variable 'int timezone'.])
|
|
fi])# PGAC_VAR_INT_TIMEZONE
|
|
|
|
|
|
# PGAC_STRUCT_TIMEZONE
|
|
# ------------------
|
|
# Figure out how to get the current timezone. If `struct tm' has a
|
|
# `tm_zone' member, define `HAVE_STRUCT_TM_TM_ZONE'. Unlike the
|
|
# standard macro AC_STRUCT_TIMEZONE, we don't check for `tzname[]' if
|
|
# not found, since we don't use it. (We use `int timezone' as a
|
|
# fallback.)
|
|
AC_DEFUN([PGAC_STRUCT_TIMEZONE],
|
|
[AC_CHECK_MEMBERS([struct tm.tm_zone],,,[#include <sys/types.h>
|
|
#include <time.h>
|
|
])
|
|
])# PGAC_STRUCT_TIMEZONE
|
|
|
|
|
|
# PGAC_FUNC_STRERROR_R_INT
|
|
# ---------------------------
|
|
# Check if strerror_r() returns int (POSIX) rather than char * (GNU libc).
|
|
# If so, define STRERROR_R_INT.
|
|
# The result is uncertain if strerror_r() isn't provided,
|
|
# but we don't much care.
|
|
AC_DEFUN([PGAC_FUNC_STRERROR_R_INT],
|
|
[AC_CACHE_CHECK(whether strerror_r returns int,
|
|
pgac_cv_func_strerror_r_int,
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <string.h>],
|
|
[[char buf[100];
|
|
switch (strerror_r(1, buf, sizeof(buf)))
|
|
{ case 0: break; default: break; }
|
|
]])],
|
|
[pgac_cv_func_strerror_r_int=yes],
|
|
[pgac_cv_func_strerror_r_int=no])])
|
|
if test x"$pgac_cv_func_strerror_r_int" = xyes ; then
|
|
AC_DEFINE(STRERROR_R_INT, 1,
|
|
[Define to 1 if strerror_r() returns int.])
|
|
fi
|
|
])# PGAC_FUNC_STRERROR_R_INT
|
|
|
|
|
|
# PGAC_UNION_SEMUN
|
|
# ----------------
|
|
# Check if `union semun' exists. Define HAVE_UNION_SEMUN if so.
|
|
# If it doesn't then one could define it as
|
|
# union semun { int val; struct semid_ds *buf; unsigned short *array; }
|
|
AC_DEFUN([PGAC_UNION_SEMUN],
|
|
[AC_CHECK_TYPES([union semun], [], [],
|
|
[#include <sys/types.h>
|
|
#include <sys/ipc.h>
|
|
#include <sys/sem.h>
|
|
])])# PGAC_UNION_SEMUN
|
|
|
|
|
|
# PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
|
|
# --------------------------------------
|
|
# Check the members of `struct sockaddr_storage'. We need to know about
|
|
# ss_family and ss_len. (Some platforms follow RFC 2553 and call them
|
|
# __ss_family and __ss_len.) We also check struct sockaddr's sa_len.
|
|
AC_DEFUN([PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS],
|
|
[AC_CHECK_MEMBERS([struct sockaddr_storage.ss_family,
|
|
struct sockaddr_storage.__ss_family,
|
|
struct sockaddr_storage.ss_len,
|
|
struct sockaddr_storage.__ss_len,
|
|
struct sockaddr.sa_len], [], [],
|
|
[#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
])])# PGAC_STRUCT_SOCKADDR_STORAGE_MEMBERS
|
|
|
|
|
|
# PGAC_TYPE_LOCALE_T
|
|
# ------------------
|
|
# Check for the locale_t type and find the right header file. macOS
|
|
# needs xlocale.h; standard is locale.h, but glibc also has an
|
|
# xlocale.h file that we should not use.
|
|
#
|
|
AC_DEFUN([PGAC_TYPE_LOCALE_T],
|
|
[AC_CACHE_CHECK([for locale_t], pgac_cv_type_locale_t,
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
|
|
[#include <locale.h>
|
|
locale_t x;],
|
|
[])],
|
|
[pgac_cv_type_locale_t=yes],
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
|
|
[#include <xlocale.h>
|
|
locale_t x;],
|
|
[])],
|
|
[pgac_cv_type_locale_t='yes (in xlocale.h)'],
|
|
[pgac_cv_type_locale_t=no])])])
|
|
if test "$pgac_cv_type_locale_t" != no; then
|
|
AC_DEFINE(HAVE_LOCALE_T, 1,
|
|
[Define to 1 if the system has the type `locale_t'.])
|
|
fi
|
|
if test "$pgac_cv_type_locale_t" = 'yes (in xlocale.h)'; then
|
|
AC_DEFINE(LOCALE_T_IN_XLOCALE, 1,
|
|
[Define to 1 if `locale_t' requires <xlocale.h>.])
|
|
fi])# PGAC_TYPE_LOCALE_T
|
|
|
|
|
|
# PGAC_FUNC_WCSTOMBS_L
|
|
# --------------------
|
|
# Try to find a declaration for wcstombs_l(). It might be in stdlib.h
|
|
# (following the POSIX requirement for wcstombs()), or in locale.h, or in
|
|
# xlocale.h. If it's in the latter, define WCSTOMBS_L_IN_XLOCALE.
|
|
#
|
|
AC_DEFUN([PGAC_FUNC_WCSTOMBS_L],
|
|
[AC_CACHE_CHECK([for wcstombs_l declaration], pgac_cv_func_wcstombs_l,
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
|
|
[#include <stdlib.h>
|
|
#include <locale.h>],
|
|
[#ifndef wcstombs_l
|
|
(void) wcstombs_l;
|
|
#endif])],
|
|
[pgac_cv_func_wcstombs_l='yes'],
|
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
|
|
[#include <stdlib.h>
|
|
#include <locale.h>
|
|
#include <xlocale.h>],
|
|
[#ifndef wcstombs_l
|
|
(void) wcstombs_l;
|
|
#endif])],
|
|
[pgac_cv_func_wcstombs_l='yes (in xlocale.h)'],
|
|
[pgac_cv_func_wcstombs_l='no'])])])
|
|
if test "$pgac_cv_func_wcstombs_l" = 'yes (in xlocale.h)'; then
|
|
AC_DEFINE(WCSTOMBS_L_IN_XLOCALE, 1,
|
|
[Define to 1 if `wcstombs_l' requires <xlocale.h>.])
|
|
fi])# PGAC_FUNC_WCSTOMBS_L
|