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sourcemod/extensions/curl/curl-src/m4/curl-reentrant.m4
Asher Baker e84f6e4afd Backed out updated libcurl.
2013-03-18 00:55:59 +00:00

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#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://curl.haxx.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# $Id: curl-reentrant.m4,v 1.3 2008-10-14 18:44:27 yangtse Exp $
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
# serial 3
dnl Note 1
dnl ------
dnl None of the CURL_CHECK_NEED_REENTRANT_* macros shall use HAVE_FOO_H to
dnl conditionally include header files. These macros are used early in the
dnl configure process much before header file availability is known.
dnl CURL_CHECK_NEED_REENTRANT_GMTIME_R
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl makes function gmtime_r compiler visible.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_GMTIME_R], [
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([gmtime_r])
],[
tmp_gmtime_r="yes"
],[
tmp_gmtime_r="no"
])
if test "$tmp_gmtime_r" = "yes"; then
AC_EGREP_CPP([gmtime_r],[
#include <sys/types.h>
#include <time.h>
],[
tmp_gmtime_r="proto_declared"
],[
AC_EGREP_CPP([gmtime_r],[
#define _REENTRANT
#include <sys/types.h>
#include <time.h>
],[
tmp_gmtime_r="proto_needs_reentrant"
tmp_need_reentrant="yes"
])
])
fi
])
dnl CURL_CHECK_NEED_REENTRANT_LOCALTIME_R
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl makes function localtime_r compiler visible.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_LOCALTIME_R], [
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([localtime_r])
],[
tmp_localtime_r="yes"
],[
tmp_localtime_r="no"
])
if test "$tmp_localtime_r" = "yes"; then
AC_EGREP_CPP([localtime_r],[
#include <sys/types.h>
#include <time.h>
],[
tmp_localtime_r="proto_declared"
],[
AC_EGREP_CPP([localtime_r],[
#define _REENTRANT
#include <sys/types.h>
#include <time.h>
],[
tmp_localtime_r="proto_needs_reentrant"
tmp_need_reentrant="yes"
])
])
fi
])
dnl CURL_CHECK_NEED_REENTRANT_STRERROR_R
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl makes function strerror_r compiler visible.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_STRERROR_R], [
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([strerror_r])
],[
tmp_strerror_r="yes"
],[
tmp_strerror_r="no"
])
if test "$tmp_strerror_r" = "yes"; then
AC_EGREP_CPP([strerror_r],[
#include <sys/types.h>
#include <string.h>
],[
tmp_strerror_r="proto_declared"
],[
AC_EGREP_CPP([strerror_r],[
#define _REENTRANT
#include <sys/types.h>
#include <string.h>
],[
tmp_strerror_r="proto_needs_reentrant"
tmp_need_reentrant="yes"
])
])
fi
])
dnl CURL_CHECK_NEED_REENTRANT_STRTOK_R
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl makes function strtok_r compiler visible.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_STRTOK_R], [
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([strtok_r])
],[
tmp_strtok_r="yes"
],[
tmp_strtok_r="no"
])
if test "$tmp_strtok_r" = "yes"; then
AC_EGREP_CPP([strtok_r],[
#include <sys/types.h>
#include <string.h>
],[
tmp_strtok_r="proto_declared"
],[
AC_EGREP_CPP([strtok_r],[
#define _REENTRANT
#include <sys/types.h>
#include <string.h>
],[
tmp_strtok_r="proto_needs_reentrant"
tmp_need_reentrant="yes"
])
])
fi
])
dnl CURL_CHECK_NEED_REENTRANT_INET_NTOA_R
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl makes function inet_ntoa_r compiler visible.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_INET_NTOA_R], [
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([inet_ntoa_r])
],[
tmp_inet_ntoa_r="yes"
],[
tmp_inet_ntoa_r="no"
])
if test "$tmp_inet_ntoa_r" = "yes"; then
AC_EGREP_CPP([inet_ntoa_r],[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
],[
tmp_inet_ntoa_r="proto_declared"
],[
AC_EGREP_CPP([inet_ntoa_r],[
#define _REENTRANT
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
],[
tmp_inet_ntoa_r="proto_needs_reentrant"
tmp_need_reentrant="yes"
])
])
fi
])
dnl CURL_CHECK_NEED_REENTRANT_GETHOSTBYADDR_R
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl makes function gethostbyaddr_r compiler visible.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_GETHOSTBYADDR_R], [
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([gethostbyaddr_r])
],[
tmp_gethostbyaddr_r="yes"
],[
tmp_gethostbyaddr_r="no"
])
if test "$tmp_gethostbyaddr_r" = "yes"; then
AC_EGREP_CPP([gethostbyaddr_r],[
#include <sys/types.h>
#include <netdb.h>
],[
tmp_gethostbyaddr_r="proto_declared"
],[
AC_EGREP_CPP([gethostbyaddr_r],[
#define _REENTRANT
#include <sys/types.h>
#include <netdb.h>
],[
tmp_gethostbyaddr_r="proto_needs_reentrant"
tmp_need_reentrant="yes"
])
])
fi
])
dnl CURL_CHECK_NEED_REENTRANT_GETHOSTBYNAME_R
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl makes function gethostbyname_r compiler visible.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_GETHOSTBYNAME_R], [
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([gethostbyname_r])
],[
tmp_gethostbyname_r="yes"
],[
tmp_gethostbyname_r="no"
])
if test "$tmp_gethostbyname_r" = "yes"; then
AC_EGREP_CPP([gethostbyname_r],[
#include <sys/types.h>
#include <netdb.h>
],[
tmp_gethostbyname_r="proto_declared"
],[
AC_EGREP_CPP([gethostbyname_r],[
#define _REENTRANT
#include <sys/types.h>
#include <netdb.h>
],[
tmp_gethostbyname_r="proto_needs_reentrant"
tmp_need_reentrant="yes"
])
])
fi
])
dnl CURL_CHECK_NEED_REENTRANT_GETPROTOBYNAME_R
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl makes function getprotobyname_r compiler visible.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_GETPROTOBYNAME_R], [
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([getprotobyname_r])
],[
tmp_getprotobyname_r="yes"
],[
tmp_getprotobyname_r="no"
])
if test "$tmp_getprotobyname_r" = "yes"; then
AC_EGREP_CPP([getprotobyname_r],[
#include <sys/types.h>
#include <netdb.h>
],[
tmp_getprotobyname_r="proto_declared"
],[
AC_EGREP_CPP([getprotobyname_r],[
#define _REENTRANT
#include <sys/types.h>
#include <netdb.h>
],[
tmp_getprotobyname_r="proto_needs_reentrant"
tmp_need_reentrant="yes"
])
])
fi
])
dnl CURL_CHECK_NEED_REENTRANT_GETSERVBYPORT_R
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl makes function getservbyport_r compiler visible.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_GETSERVBYPORT_R], [
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([getservbyport_r])
],[
tmp_getservbyport_r="yes"
],[
tmp_getservbyport_r="no"
])
if test "$tmp_getservbyport_r" = "yes"; then
AC_EGREP_CPP([getservbyport_r],[
#include <sys/types.h>
#include <netdb.h>
],[
tmp_getservbyport_r="proto_declared"
],[
AC_EGREP_CPP([getservbyport_r],[
#define _REENTRANT
#include <sys/types.h>
#include <netdb.h>
],[
tmp_getservbyport_r="proto_needs_reentrant"
tmp_need_reentrant="yes"
])
])
fi
])
dnl CURL_CHECK_NEED_REENTRANT_FUNCTIONS_R
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl makes several _r functions compiler visible.
dnl Internal macro for CURL_CONFIGURE_REENTRANT.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_FUNCTIONS_R], [
if test "$tmp_need_reentrant" = "no"; then
CURL_CHECK_NEED_REENTRANT_GMTIME_R
fi
if test "$tmp_need_reentrant" = "no"; then
CURL_CHECK_NEED_REENTRANT_LOCALTIME_R
fi
if test "$tmp_need_reentrant" = "no"; then
CURL_CHECK_NEED_REENTRANT_STRERROR_R
fi
if test "$tmp_need_reentrant" = "no"; then
CURL_CHECK_NEED_REENTRANT_STRTOK_R
fi
if test "$tmp_need_reentrant" = "no"; then
CURL_CHECK_NEED_REENTRANT_INET_NTOA_R
fi
if test "$tmp_need_reentrant" = "no"; then
CURL_CHECK_NEED_REENTRANT_GETHOSTBYADDR_R
fi
if test "$tmp_need_reentrant" = "no"; then
CURL_CHECK_NEED_REENTRANT_GETHOSTBYNAME_R
fi
if test "$tmp_need_reentrant" = "no"; then
CURL_CHECK_NEED_REENTRANT_GETPROTOBYNAME_R
fi
if test "$tmp_need_reentrant" = "no"; then
CURL_CHECK_NEED_REENTRANT_GETSERVBYPORT_R
fi
])
dnl CURL_CHECK_NEED_REENTRANT_SYSTEM
dnl -------------------------------------------------
dnl Checks if the preprocessor _REENTRANT definition
dnl must be unconditionally done for this platform.
dnl Internal macro for CURL_CONFIGURE_REENTRANT.
AC_DEFUN([CURL_CHECK_NEED_REENTRANT_SYSTEM], [
case $host in
*-*-solaris*)
tmp_need_reentrant="yes"
;;
*)
tmp_need_reentrant="no"
;;
esac
])
dnl CURL_CONFIGURE_FROM_NOW_ON_WITH_REENTRANT
dnl -------------------------------------------------
dnl This macro ensures that configuration tests done
dnl after this will execute with preprocessor symbol
dnl _REENTRANT defined. This macro also ensures that
dnl the generated config file defines NEED_REENTRANT
dnl and that in turn setup.h will define _REENTRANT.
dnl Internal macro for CURL_CONFIGURE_REENTRANT.
AC_DEFUN([CURL_CONFIGURE_FROM_NOW_ON_WITH_REENTRANT], [
AC_DEFINE(NEED_REENTRANT, 1,
[Define to 1 if _REENTRANT preprocessor symbol must be defined.])
cat >>confdefs.h <<_EOF
#ifndef _REENTRANT
# define _REENTRANT
#endif
_EOF
])
dnl CURL_CONFIGURE_REENTRANT
dnl -------------------------------------------------
dnl This first checks if the preprocessor _REENTRANT
dnl symbol is already defined. If it isn't currently
dnl defined a set of checks are performed to verify
dnl if its definition is required to make visible to
dnl the compiler a set of *_r functions. Finally, if
dnl _REENTRANT is already defined or needed it takes
dnl care of making adjustments necessary to ensure
dnl that it is defined equally for further configure
dnl tests and generated config file.
AC_DEFUN([CURL_CONFIGURE_REENTRANT], [
AC_PREREQ([2.50])dnl
#
AC_MSG_CHECKING([if _REENTRANT is already defined])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
]],[[
#ifdef _REENTRANT
int dummy=1;
#else
force compilation error
#endif
]])
],[
AC_MSG_RESULT([yes])
tmp_reentrant_initially_defined="yes"
],[
AC_MSG_RESULT([no])
tmp_reentrant_initially_defined="no"
])
#
if test "$tmp_reentrant_initially_defined" = "no"; then
AC_MSG_CHECKING([if _REENTRANT is actually needed])
CURL_CHECK_NEED_REENTRANT_SYSTEM
if test "$tmp_need_reentrant" = "no"; then
CURL_CHECK_NEED_REENTRANT_FUNCTIONS_R
fi
if test "$tmp_need_reentrant" = "yes"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
#
AC_MSG_CHECKING([if _REENTRANT is onwards defined])
if test "$tmp_reentrant_initially_defined" = "yes" ||
test "$tmp_need_reentrant" = "yes"; then
CURL_CONFIGURE_FROM_NOW_ON_WITH_REENTRANT
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
#
])
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