diff options
Diffstat (limited to 'ares/m4/cares-reentrant.m4')
| -rw-r--r-- | ares/m4/cares-reentrant.m4 | 611 |
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 - # -]) |