052f9ddedb
needed, and being able to define it if appropriate for further configure tests as well as for the generated config file.
427 lines
10 KiB
Plaintext
427 lines
10 KiB
Plaintext
|
|
|
|
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 "$tmp_getservbyport_r" = "yes"; then
|
|
AC_EGREP_CPP([getservbyport_r],[
|
|
#include <sys/types.h>
|
|
#include <netdb.h>
|
|
],[
|
|
tmp_getservbyport_r="proto_declared"
|
|
],[
|
|
AC_EGREP_CPP([getservbyport_r],[
|
|
#define _REENTRANT
|
|
#include <sys/types.h>
|
|
#include <netdb.h>
|
|
],[
|
|
tmp_getservbyport_r="proto_needs_reentrant"
|
|
tmp_need_reentrant="yes"
|
|
])
|
|
])
|
|
fi
|
|
])
|
|
|
|
|
|
dnl CARES_CHECK_NEED_REENTRANT_FUNCTIONS_R
|
|
dnl -------------------------------------------------
|
|
dnl Checks if the preprocessor _REENTRANT definition
|
|
dnl makes several _r functions compiler visible.
|
|
dnl Internal macro for CONFIGURE_REENTRANT.
|
|
|
|
AC_DEFUN([CARES_CHECK_NEED_REENTRANT_FUNCTIONS_R], [
|
|
#
|
|
tmp_need_reentrant="no"
|
|
#
|
|
if test "$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_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 will equally define it.
|
|
dnl Internal macro for CONFIGURE_REENTRANT.
|
|
|
|
AC_DEFUN([CARES_CONFIGURE_FROM_NOW_ON_WITH_REENTRANT], [
|
|
AH_VERBATIM([NEED_REENTRANT],
|
|
[/* Configure process defines NEED_REENTRANT to 1 when it finds out that */
|
|
/* _REENTRANT is required or already defined for proper configuration. */
|
|
@%:@undef NEED_REENTRANT
|
|
@%:@if defined(NEED_REENTRANT) && !defined(_REENTRANT)
|
|
@%:@ define _REENTRANT
|
|
@%:@endif])
|
|
cat >>confdefs.h <<_ACEOF
|
|
[@%:@ifndef _REENTRANT
|
|
@%:@ define _REENTRANT
|
|
@%:@endif]
|
|
_ACEOF
|
|
AC_DEFINE(NEED_REENTRANT, 1, [])
|
|
])
|
|
|
|
|
|
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_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 "$tmp_reentrant_initially_defined" = "no"; then
|
|
AC_MSG_CHECKING([if _REENTRANT is actually needed])
|
|
CARES_CHECK_NEED_REENTRANT_FUNCTIONS_R
|
|
if test "$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
|
|
#
|
|
])
|
|
|