remove the ares subtree

c-ares is now hosted entirely separate from the curl project
see http://c-ares.haxx.se/ for all details concerning c-ares,
its source repository and more.

1 files changed, 0 insertions, 611 deletions

diff --git a/ares/m4/cares-reentrant.m4 b/ares/m4/cares-reentrant.m4
deleted file mode 100644
index 052326b3c..000000000
--- a/ares/m4/cares-reentrant.m4
+++ /dev/null
@@ -1,611 +0,0 @@
-#***************************************************************************
-# $Id$
-#
-# Copyright (C) 2008 - 2009 by Daniel Stenberg et al
-#
-# Permission to use, copy, modify, and distribute this software and its
-# documentation for any purpose and without fee is hereby granted, provided
-# that the above copyright notice appear in all copies and that both that
-# copyright notice and this permission notice appear in supporting
-# documentation, and that the name of M.I.T. not be used in advertising or
-# publicity pertaining to distribution of the software without specific,
-# written prior permission.  M.I.T. makes no representations about the
-# suitability of this software for any purpose.  It is provided "as is"
-# without express or implied warranty.
-#
-#***************************************************************************
-
-# File version for 'aclocal' use. Keep it a single number.
-# serial 6
-
-dnl Note 1
-dnl ------
-dnl None of the CARES_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 CARES_CHECK_NEED_REENTRANT_ERRNO
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes errno available as a preprocessor macro.
-
-AC_DEFUN([CARES_CHECK_NEED_REENTRANT_ERRNO], [
-  AC_COMPILE_IFELSE([
-    AC_LANG_PROGRAM([[
-#include <errno.h>
-    ]],[[
-      if(0 != errno)
-        return 1;
-    ]])
-  ],[
-    tmp_errno="yes"
-  ],[
-    tmp_errno="no"
-  ])
-  if test "$tmp_errno" = "yes"; then
-    AC_COMPILE_IFELSE([
-      AC_LANG_PROGRAM([[
-#include <errno.h>
-      ]],[[
-#ifdef errno
-        int dummy=1;
-#else
-        force compilation error
-#endif
-      ]])
-    ],[
-      tmp_errno="errno_macro_defined"
-    ],[
-      AC_COMPILE_IFELSE([
-        AC_LANG_PROGRAM([[
-#define _REENTRANT
-#include <errno.h>
-        ]],[[
-#ifdef errno
-          int dummy=1;
-#else
-          force compilation error
-#endif
-        ]])
-      ],[
-        tmp_errno="errno_macro_needs_reentrant"
-        tmp_need_reentrant="yes"
-      ])
-    ])
-  fi
-])
-
-
-dnl CARES_CHECK_NEED_REENTRANT_GMTIME_R
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes function gmtime_r compiler visible.
-
-AC_DEFUN([CARES_CHECK_NEED_REENTRANT_GMTIME_R], [
-  AC_LINK_IFELSE([
-    AC_LANG_FUNC_LINK_TRY([gmtime_r])
-  ],[
-    tmp_gmtime_r="yes"
-  ],[
-    tmp_gmtime_r="no"
-  ])
-  if test "$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 CARES_CHECK_NEED_REENTRANT_LOCALTIME_R
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes function localtime_r compiler visible.
-
-AC_DEFUN([CARES_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 "$tmp_localtime_r" = "yes"; then
-    AC_EGREP_CPP([localtime_r],[
-#include <sys/types.h>
-#include <time.h>
-    ],[
-      tmp_localtime_r="proto_declared"
-    ],[
-      AC_EGREP_CPP([localtime_r],[
-#define _REENTRANT
-#include <sys/types.h>
-#include <time.h>
-      ],[
-        tmp_localtime_r="proto_needs_reentrant"
-        tmp_need_reentrant="yes"
-      ])
-    ])
-  fi
-])
-
-
-dnl CARES_CHECK_NEED_REENTRANT_STRERROR_R
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes function strerror_r compiler visible.
-
-AC_DEFUN([CARES_CHECK_NEED_REENTRANT_STRERROR_R], [
-  AC_LINK_IFELSE([
-    AC_LANG_FUNC_LINK_TRY([strerror_r])
-  ],[
-    tmp_strerror_r="yes"
-  ],[
-    tmp_strerror_r="no"
-  ])
-  if test "$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 CARES_CHECK_NEED_REENTRANT_STRTOK_R
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes function strtok_r compiler visible.
-
-AC_DEFUN([CARES_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 "$tmp_strtok_r" = "yes"; then
-    AC_EGREP_CPP([strtok_r],[
-#include <sys/types.h>
-#include <string.h>
-    ],[
-      tmp_strtok_r="proto_declared"
-    ],[
-      AC_EGREP_CPP([strtok_r],[
-#define _REENTRANT
-#include <sys/types.h>
-#include <string.h>
-      ],[
-        tmp_strtok_r="proto_needs_reentrant"
-        tmp_need_reentrant="yes"
-      ])
-    ])
-  fi
-])
-
-
-dnl CARES_CHECK_NEED_REENTRANT_INET_NTOA_R
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes function inet_ntoa_r compiler visible.
-
-AC_DEFUN([CARES_CHECK_NEED_REENTRANT_INET_NTOA_R], [
-  AC_LINK_IFELSE([
-    AC_LANG_FUNC_LINK_TRY([inet_ntoa_r])
-  ],[
-    tmp_inet_ntoa_r="yes"
-  ],[
-    tmp_inet_ntoa_r="no"
-  ])
-  if test "$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 CARES_CHECK_NEED_REENTRANT_GETHOSTBYADDR_R
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes function gethostbyaddr_r compiler visible.
-
-AC_DEFUN([CARES_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 "$tmp_gethostbyaddr_r" = "yes"; then
-    AC_EGREP_CPP([gethostbyaddr_r],[
-#include <sys/types.h>
-#include <netdb.h>
-    ],[
-      tmp_gethostbyaddr_r="proto_declared"
-    ],[
-      AC_EGREP_CPP([gethostbyaddr_r],[
-#define _REENTRANT
-#include <sys/types.h>
-#include <netdb.h>
-      ],[
-        tmp_gethostbyaddr_r="proto_needs_reentrant"
-        tmp_need_reentrant="yes"
-      ])
-    ])
-  fi
-])
-
-
-dnl CARES_CHECK_NEED_REENTRANT_GETHOSTBYNAME_R
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes function gethostbyname_r compiler visible.
-
-AC_DEFUN([CARES_CHECK_NEED_REENTRANT_GETHOSTBYNAME_R], [
-  AC_LINK_IFELSE([
-    AC_LANG_FUNC_LINK_TRY([gethostbyname_r])
-  ],[
-    tmp_gethostbyname_r="yes"
-  ],[
-    tmp_gethostbyname_r="no"
-  ])
-  if test "$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 CARES_CHECK_NEED_REENTRANT_GETPROTOBYNAME_R
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes function getprotobyname_r compiler visible.
-
-AC_DEFUN([CARES_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 "$tmp_getprotobyname_r" = "yes"; then
-    AC_EGREP_CPP([getprotobyname_r],[
-#include <sys/types.h>
-#include <netdb.h>
-    ],[
-      tmp_getprotobyname_r="proto_declared"
-    ],[
-      AC_EGREP_CPP([getprotobyname_r],[
-#define _REENTRANT
-#include <sys/types.h>
-#include <netdb.h>
-      ],[
-        tmp_getprotobyname_r="proto_needs_reentrant"
-        tmp_need_reentrant="yes"
-      ])
-    ])
-  fi
-])
-
-
-dnl CARES_CHECK_NEED_REENTRANT_GETSERVBYPORT_R
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes function getservbyport_r compiler visible.
-
-AC_DEFUN([CARES_CHECK_NEED_REENTRANT_GETSERVBYPORT_R], [
-  AC_LINK_IFELSE([
-    AC_LANG_FUNC_LINK_TRY([getservbyport_r])
-  ],[
-    tmp_getservbyport_r="yes"
-  ],[
-    tmp_getservbyport_r="no"
-  ])
-  if test "$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 CARES_CHECK_NEED_REENTRANT_FUNCTIONS_R
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl makes several _r functions compiler visible.
-dnl Internal macro for CARES_CONFIGURE_REENTRANT.
-
-AC_DEFUN([CARES_CHECK_NEED_REENTRANT_FUNCTIONS_R], [
-  if test "$tmp_need_reentrant" = "no"; then
-    CARES_CHECK_NEED_REENTRANT_GMTIME_R
-  fi
-  if test "$tmp_need_reentrant" = "no"; then
-    CARES_CHECK_NEED_REENTRANT_LOCALTIME_R
-  fi
-  if test "$tmp_need_reentrant" = "no"; then
-    CARES_CHECK_NEED_REENTRANT_STRERROR_R
-  fi
-  if test "$tmp_need_reentrant" = "no"; then
-    CARES_CHECK_NEED_REENTRANT_STRTOK_R
-  fi
-  if test "$tmp_need_reentrant" = "no"; then
-    CARES_CHECK_NEED_REENTRANT_INET_NTOA_R
-  fi
-  if test "$tmp_need_reentrant" = "no"; then
-    CARES_CHECK_NEED_REENTRANT_GETHOSTBYADDR_R
-  fi
-  if test "$tmp_need_reentrant" = "no"; then
-    CARES_CHECK_NEED_REENTRANT_GETHOSTBYNAME_R
-  fi
-  if test "$tmp_need_reentrant" = "no"; then
-    CARES_CHECK_NEED_REENTRANT_GETPROTOBYNAME_R
-  fi
-  if test "$tmp_need_reentrant" = "no"; then
-    CARES_CHECK_NEED_REENTRANT_GETSERVBYPORT_R
-  fi
-])
-
-
-dnl CARES_CHECK_NEED_REENTRANT_SYSTEM
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _REENTRANT definition
-dnl must be unconditionally done for this platform.
-dnl Internal macro for CARES_CONFIGURE_REENTRANT.
-
-AC_DEFUN([CARES_CHECK_NEED_REENTRANT_SYSTEM], [
-  case $host_os in
-    solaris*)
-      tmp_need_reentrant="yes"
-      ;;
-    *)
-      tmp_need_reentrant="no"
-      ;;
-  esac
-])
-
-
-dnl CARES_CHECK_NEED_THREAD_SAFE_SYSTEM
-dnl -------------------------------------------------
-dnl Checks if the preprocessor _THREAD_SAFE definition
-dnl must be unconditionally done for this platform.
-dnl Internal macro for CARES_CONFIGURE_THREAD_SAFE.
-
-AC_DEFUN([CARES_CHECK_NEED_THREAD_SAFE_SYSTEM], [
-  case $host_os in
-    aix[[123]].* | aix4.[[012]].*)
-      dnl aix 4.2 and older
-      tmp_need_thread_safe="no"
-      ;;
-    aix*)
-      dnl AIX 4.3 and newer
-      tmp_need_thread_safe="yes"
-      ;;
-    *)
-      tmp_need_thread_safe="no"
-      ;;
-  esac
-])
-
-
-dnl CARES_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 CARES_CONFIGURE_REENTRANT.
-
-AC_DEFUN([CARES_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 CARES_CONFIGURE_FROM_NOW_ON_WITH_THREAD_SAFE
-dnl -------------------------------------------------
-dnl This macro ensures that configuration tests done
-dnl after this will execute with preprocessor symbol
-dnl _THREAD_SAFE defined. This macro also ensures that
-dnl the generated config file defines NEED_THREAD_SAFE
-dnl and that in turn setup.h will define _THREAD_SAFE.
-dnl Internal macro for CARES_CONFIGURE_THREAD_SAFE.
-
-AC_DEFUN([CARES_CONFIGURE_FROM_NOW_ON_WITH_THREAD_SAFE], [
-AC_DEFINE(NEED_THREAD_SAFE, 1,
-  [Define to 1 if _THREAD_SAFE preprocessor symbol must be defined.])
-cat >>confdefs.h <<_EOF
-#ifndef _THREAD_SAFE
-#  define _THREAD_SAFE
-#endif
-_EOF
-])
-
-
-dnl CARES_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([CARES_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])
-    CARES_CHECK_NEED_REENTRANT_SYSTEM
-    if test "$tmp_need_reentrant" = "no"; then
-      CARES_CHECK_NEED_REENTRANT_ERRNO
-    fi
-    if test "$tmp_need_reentrant" = "no"; then
-      CARES_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 "$tmp_need_reentrant" = "yes"; then
-    CARES_CONFIGURE_FROM_NOW_ON_WITH_REENTRANT
-    AC_MSG_RESULT([yes])
-  else
-    AC_MSG_RESULT([no])
-  fi
-  #
-])
-
-
-dnl CARES_CONFIGURE_THREAD_SAFE
-dnl -------------------------------------------------
-dnl This first checks if the preprocessor _THREAD_SAFE
-dnl symbol is already defined. If it isn't currently
-dnl defined a set of checks are performed to verify
-dnl if its definition is required. Finally, if
-dnl _THREAD_SAFE is already defined or needed it takes
-dnl care of making adjustments necessary to ensure
-dnl that it is defined equally for further configure
-dnl tests and generated config file.
-
-AC_DEFUN([CARES_CONFIGURE_THREAD_SAFE], [
-  AC_PREREQ([2.50])dnl
-  #
-  AC_MSG_CHECKING([if _THREAD_SAFE is already defined])
-  AC_COMPILE_IFELSE([
-    AC_LANG_PROGRAM([[
-    ]],[[
-#ifdef _THREAD_SAFE
-      int dummy=1;
-#else
-      force compilation error
-#endif
-    ]])
-  ],[
-    AC_MSG_RESULT([yes])
-    tmp_thread_safe_initially_defined="yes"
-  ],[
-    AC_MSG_RESULT([no])
-    tmp_thread_safe_initially_defined="no"
-  ])
-  #
-  if test "$tmp_thread_safe_initially_defined" = "no"; then
-    AC_MSG_CHECKING([if _THREAD_SAFE is actually needed])
-    CARES_CHECK_NEED_THREAD_SAFE_SYSTEM
-    if test "$tmp_need_thread_safe" = "yes"; then
-      AC_MSG_RESULT([yes])
-    else
-      AC_MSG_RESULT([no])
-    fi
-  fi
-  #
-  AC_MSG_CHECKING([if _THREAD_SAFE is onwards defined])
-  if test "$tmp_thread_safe_initially_defined" = "yes" ||
-    test "$tmp_need_thread_safe" = "yes"; then
-    CARES_CONFIGURE_FROM_NOW_ON_WITH_THREAD_SAFE
-    AC_MSG_RESULT([yes])
-  else
-    AC_MSG_RESULT([no])
-  fi
-  #
-])