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improve detection of gethostbyaddr_r() and gethostbyname_r()

This commit is contained in:
Yang Tse 2008-09-17 16:03:49 +00:00
parent 0c1ae21c11
commit d84440d53b
3 changed files with 288 additions and 420 deletions
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418
acinclude.m4
View File

@ -2623,424 +2623,6 @@ AC_DEFUN([CURL_CHECK_INET_NTOA_R],
])
dnl CURL_CHECK_GETHOSTBYADDR_R
dnl -------------------------------------------------
dnl check number of arguments for gethostbyaddr_r, it
dnl might take either 5, 7, or 8 arguments.
AC_DEFUN([CURL_CHECK_GETHOSTBYADDR_R], [
#
AC_MSG_CHECKING([for gethostbyaddr_r])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([gethostbyaddr_r])
],[
AC_MSG_RESULT([yes])
tmp_cv_gethostbyaddr_r="yes"
],[
AC_MSG_RESULT([no])
tmp_cv_gethostbyaddr_r="no"
])
#
if test "$tmp_cv_gethostbyaddr_r" != "yes"; then
AC_MSG_CHECKING([deeper for gethostbyaddr_r])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
]],[[
gethostbyaddr_r();
]])
],[
AC_MSG_RESULT([yes])
tmp_cv_gethostbyaddr_r="yes"
],[
AC_MSG_RESULT([but still no])
tmp_cv_gethostbyaddr_r="no"
])
fi
#
if test "$tmp_cv_gethostbyaddr_r" = "yes"; then
ac_cv_gethostbyaddr_r_args="unknown"
AC_MSG_CHECKING([if gethostbyaddr_r takes 5 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#include <sys/types.h>
#include <netdb.h>
]],[[
char * address;
int length;
int type;
struct hostent h;
struct hostent_data hdata;
int rc;
rc = gethostbyaddr_r(address, length, type, &h, &hdata);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYADDR_R_5, 1, [gethostbyaddr_r() takes 5 args])
ac_cv_gethostbyaddr_r_args="5"
],[
AC_MSG_RESULT([no])
])
if test "$ac_cv_gethostbyaddr_r_args" = "unknown"; then
AC_MSG_CHECKING([if gethostbyaddr_r with -D_REENTRANT takes 5 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#define _REENTRANT
#include <sys/types.h>
#include <netdb.h>
]],[[
char * address;
int length;
int type;
struct hostent h;
struct hostent_data hdata;
int rc;
rc = gethostbyaddr_r(address, length, type, &h, &hdata);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYADDR_R_5, 1, [gethostbyaddr_r() takes 5 args])
ac_cv_gethostbyaddr_r_args="5"
],[
AC_MSG_RESULT([no])
])
fi
if test "$ac_cv_gethostbyaddr_r_args" = "unknown"; then
AC_MSG_CHECKING([if gethostbyaddr_r takes 7 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#include <sys/types.h>
#include <netdb.h>
]],[[
char * address;
int length;
int type;
struct hostent h;
char buffer[8192];
int h_errnop;
struct hostent * hp;
hp = gethostbyaddr_r(address, length, type, &h,
buffer, 8192, &h_errnop);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYADDR_R_7, 1, [gethostbyaddr_r() takes 7 args])
ac_cv_gethostbyaddr_r_args="7"
],[
AC_MSG_RESULT([no])
])
fi
if test "$ac_cv_gethostbyaddr_r_args" = "unknown"; then
AC_MSG_CHECKING([if gethostbyaddr_r with -D_REENTRANT takes 7 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#define _REENTRANT
#include <sys/types.h>
#include <netdb.h>
]],[[
char * address;
int length;
int type;
struct hostent h;
char buffer[8192];
int h_errnop;
struct hostent * hp;
hp = gethostbyaddr_r(address, length, type, &h,
buffer, 8192, &h_errnop);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYADDR_R_7, 1, [gethostbyaddr_r() takes 7 args])
ac_cv_gethostbyaddr_r_args="7"
],[
AC_MSG_RESULT([no])
])
fi
if test "$ac_cv_gethostbyaddr_r_args" = "unknown"; then
AC_MSG_CHECKING([if gethostbyaddr_r takes 8 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#include <sys/types.h>
#include <netdb.h>
]],[[
char * address;
int length;
int type;
struct hostent h;
char buffer[8192];
int h_errnop;
struct hostent * hp;
int rc;
rc = gethostbyaddr_r(address, length, type, &h,
buffer, 8192, &hp, &h_errnop);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYADDR_R_8, 1, [gethostbyaddr_r() takes 8 args])
ac_cv_gethostbyaddr_r_args="8"
],[
AC_MSG_RESULT([no])
])
fi
if test "$ac_cv_gethostbyaddr_r_args" = "unknown"; then
AC_MSG_CHECKING([if gethostbyaddr_r with -D_REENTRANT takes 8 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#define _REENTRANT
#include <sys/types.h>
#include <netdb.h>
]],[[
char * address;
int length;
int type;
struct hostent h;
char buffer[8192];
int h_errnop;
struct hostent * hp;
int rc;
rc = gethostbyaddr_r(address, length, type, &h,
buffer, 8192, &hp, &h_errnop);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYADDR_R_8, 1, [gethostbyaddr_r() takes 8 args])
ac_cv_gethostbyaddr_r_args="8"
],[
AC_MSG_RESULT([no])
])
fi
if test "$ac_cv_gethostbyaddr_r_args" = "unknown"; then
AC_MSG_WARN([Cannot find out how to use gethostbyaddr_r])
AC_MSG_WARN([HAVE_GETHOSTBYADDR_R will not be defined])
ac_cv_func_gethostbyaddr_r="no"
else
AC_DEFINE_UNQUOTED(HAVE_GETHOSTBYADDR_R, 1,
[Define to 1 if you have the gethostbyaddr_r function.])
ac_cv_func_gethostbyaddr_r="yes"
fi
else
ac_cv_func_gethostbyaddr_r="no"
fi
])
dnl CURL_CHECK_GETHOSTBYNAME_R
dnl -------------------------------------------------
dnl check number of arguments for gethostbyname_r, it
dnl might take either 3, 5, or 6 arguments.
AC_DEFUN([CURL_CHECK_GETHOSTBYNAME_R], [
#
AC_MSG_CHECKING([for gethostbyname_r])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([gethostbyname_r])
],[
AC_MSG_RESULT([yes])
tmp_cv_gethostbyname_r="yes"
],[
AC_MSG_RESULT([no])
tmp_cv_gethostbyname_r="no"
])
#
if test "$tmp_cv_gethostbyname_r" != "yes"; then
AC_MSG_CHECKING([deeper for gethostbyname_r])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
]],[[
gethostbyname_r();
]])
],[
AC_MSG_RESULT([yes])
tmp_cv_gethostbyname_r="yes"
],[
AC_MSG_RESULT([but still no])
tmp_cv_gethostbyname_r="no"
])
fi
#
if test "$tmp_cv_gethostbyname_r" = "yes"; then
ac_cv_gethostbyname_r_args="unknown"
AC_MSG_CHECKING([if gethostbyname_r takes 3 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#include <string.h>
#include <sys/types.h>
#include <netdb.h>
#undef NULL
#define NULL (void *)0
int
gethostbyname_r(const char *, struct hostent *,
struct hostent_data *);
]],[[
struct hostent_data data;
gethostbyname_r(NULL, NULL, NULL);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3, 1, [gethostbyname_r() takes 3 args])
ac_cv_gethostbyname_r_args="3"
],[
AC_MSG_RESULT([no])
])
if test "$ac_cv_gethostbyname_r_args" = "unknown"; then
AC_MSG_CHECKING([if gethostbyname_r with -D_REENTRANT takes 3 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#define _REENTRANT
#include <string.h>
#include <sys/types.h>
#include <netdb.h>
#undef NULL
#define NULL (void *)0
int
gethostbyname_r(const char *, struct hostent *,
struct hostent_data *);
]],[[
struct hostent_data data;
gethostbyname_r(NULL, NULL, NULL);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3, 1, [gethostbyname_r() takes 3 args])
ac_cv_gethostbyname_r_args="3"
],[
AC_MSG_RESULT([no])
])
fi
if test "$ac_cv_gethostbyname_r_args" = "unknown"; then
AC_MSG_CHECKING([if gethostbyname_r takes 5 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#include <sys/types.h>
#include <netdb.h>
#undef NULL
#define NULL (void *)0
struct hostent *
gethostbyname_r(const char *, struct hostent *,
char *, int, int *);
]],[[
gethostbyname_r(NULL, NULL, NULL, 0, NULL);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5, 1, [gethostbyname_r() takes 5 args])
ac_cv_gethostbyname_r_args="5"
],[
AC_MSG_RESULT([no])
])
fi
if test "$ac_cv_gethostbyname_r_args" = "unknown"; then
AC_MSG_CHECKING([if gethostbyname_r with -D_REENTRANT takes 5 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#define _REENTRANT
#include <sys/types.h>
#include <netdb.h>
#undef NULL
#define NULL (void *)0
struct hostent *
gethostbyname_r(const char *, struct hostent *,
char *, int, int *);
]],[[
gethostbyname_r(NULL, NULL, NULL, 0, NULL);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5, 1, [gethostbyname_r() takes 5 args])
ac_cv_gethostbyname_r_args="5"
],[
AC_MSG_RESULT([no])
])
fi
if test "$ac_cv_gethostbyname_r_args" = "unknown"; then
AC_MSG_CHECKING([if gethostbyname_r takes 6 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#include <sys/types.h>
#include <netdb.h>
#undef NULL
#define NULL (void *)0
int
gethostbyname_r(const char *, struct hostent *,
char *, size_t, struct hostent **, int *);
]],[[
gethostbyname_r(NULL, NULL, NULL, 0, NULL, NULL);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6, 1, [gethostbyname_r() takes 6 args])
ac_cv_gethostbyname_r_args="6"
],[
AC_MSG_RESULT([no])
])
fi
if test "$ac_cv_gethostbyname_r_args" = "unknown"; then
AC_MSG_CHECKING([if gethostbyname_r with -D_REENTRANT takes 6 arguments])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#undef _REENTRANT
#define _REENTRANT
#include <sys/types.h>
#include <netdb.h>
#undef NULL
#define NULL (void *)0
int
gethostbyname_r(const char *, struct hostent *,
char *, size_t, struct hostent **, int *);
]],[[
gethostbyname_r(NULL, NULL, NULL, 0, NULL, NULL);
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6, 1, [gethostbyname_r() takes 6 args])
ac_cv_gethostbyname_r_args="6"
],[
AC_MSG_RESULT([no])
])
fi
if test "$ac_cv_gethostbyname_r_args" = "unknown"; then
AC_MSG_WARN([Cannot find out how to use gethostbyname_r])
AC_MSG_WARN([HAVE_GETHOSTBYNAME_R will not be defined])
ac_cv_func_gethostbyname_r="no"
else
AC_DEFINE_UNQUOTED(HAVE_GETHOSTBYNAME_R, 1,
[Define to 1 if you have the gethostbyname_r function.])
ac_cv_func_gethostbyname_r="yes"
fi
else
ac_cv_func_gethostbyname_r="no"
fi
])
dnl **********************************************************************
dnl CURL_DETECT_ICC ([ACTION-IF-YES])
dnl

6
configure.ac
View File

@ -1842,10 +1842,10 @@ then
else
if test "$ipv6" != "yes"; then
dnl dig around for gethostbyname_r()
CURL_CHECK_GETHOSTBYNAME_R()
dnl the old gethostbyname_r check was done here
dnl dig around for gethostbyaddr_r()
dnl CURL_CHECK_GETHOSTBYADDR_R()
dnl the old gethostbyaddr_r check was here BUT COMMENTED OUT
fi
dnl poke around for inet_ntoa_r()
@ -2037,6 +2037,8 @@ CURL_CHECK_MSG_NOSIGNAL
CURL_CHECK_FUNC_FDOPEN
CURL_CHECK_FUNC_FTRUNCATE
CURL_CHECK_FUNC_GETHOSTBYADDR_R
CURL_CHECK_FUNC_GETHOSTBYNAME_R
CURL_CHECK_FUNC_GETHOSTNAME
CURL_CHECK_FUNC_GETSERVBYPORT_R
CURL_CHECK_FUNC_GMTIME_R

284
m4/curl-functions.m4
View File

@ -374,6 +374,290 @@ AC_DEFUN([CURL_CHECK_FUNC_FTRUNCATE], [
])
dnl CURL_CHECK_FUNC_GETHOSTBYADDR_R
dnl -------------------------------------------------
dnl Verify if gethostbyaddr_r is available, prototyped,
dnl and can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_gethostbyaddr_r, then
dnl HAVE_GETHOSTBYADDR_R will be defined.
AC_DEFUN([CURL_CHECK_FUNC_GETHOSTBYADDR_R], [
AC_REQUIRE([CURL_INCLUDES_SYS_UIO])dnl
#
tst_links_gethostbyaddr_r="unknown"
tst_proto_gethostbyaddr_r="unknown"
tst_compi_gethostbyaddr_r="unknown"
tst_allow_gethostbyaddr_r="unknown"
tst_nargs_gethostbyaddr_r="unknown"
#
AC_MSG_CHECKING([if gethostbyaddr_r can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([gethostbyaddr_r])
],[
AC_MSG_RESULT([yes])
tst_links_gethostbyaddr_r="yes"
],[
AC_MSG_RESULT([no])
tst_links_gethostbyaddr_r="no"
])
#
if test "$tst_links_gethostbyaddr_r" = "yes"; then
AC_MSG_CHECKING([if gethostbyaddr_r is prototyped])
AC_EGREP_CPP([gethostbyaddr_r],[
$curl_includes_netdb
],[
AC_MSG_RESULT([yes])
tst_proto_gethostbyaddr_r="yes"
],[
AC_MSG_RESULT([no])
tst_proto_gethostbyaddr_r="no"
])
fi
#
if test "$tst_proto_gethostbyaddr_r" = "yes"; then
if test "$tst_nargs_gethostbyaddr_r" = "unknown"; then
AC_MSG_CHECKING([if gethostbyaddr_r takes 5 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_netdb
]],[[
if(0 != gethostbyaddr_r(0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_gethostbyaddr_r="yes"
tst_nargs_gethostbyaddr_r="5"
],[
AC_MSG_RESULT([no])
tst_compi_gethostbyaddr_r="no"
])
fi
if test "$tst_nargs_gethostbyaddr_r" = "unknown"; then
AC_MSG_CHECKING([if gethostbyaddr_r takes 7 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_netdb
]],[[
if(0 != gethostbyaddr_r(0, 0, 0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_gethostbyaddr_r="yes"
tst_nargs_gethostbyaddr_r="7"
],[
AC_MSG_RESULT([no])
tst_compi_gethostbyaddr_r="no"
])
fi
if test "$tst_nargs_gethostbyaddr_r" = "unknown"; then
AC_MSG_CHECKING([if gethostbyaddr_r takes 8 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_netdb
]],[[
if(0 != gethostbyaddr_r(0, 0, 0, 0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_gethostbyaddr_r="yes"
tst_nargs_gethostbyaddr_r="8"
],[
AC_MSG_RESULT([no])
tst_compi_gethostbyaddr_r="no"
])
fi
AC_MSG_CHECKING([if gethostbyaddr_r is compilable])
if test "$tst_compi_gethostbyaddr_r" = "yes"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
#
if test "$tst_compi_gethostbyaddr_r" = "yes"; then
AC_MSG_CHECKING([if gethostbyaddr_r usage allowed])
if test "x$curl_disallow_gethostbyaddr_r" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_gethostbyaddr_r="yes"
else
AC_MSG_RESULT([no])
tst_allow_gethostbyaddr_r="no"
fi
fi
#
AC_MSG_CHECKING([if gethostbyaddr_r might be used])
if test "$tst_links_gethostbyaddr_r" = "yes" &&
test "$tst_proto_gethostbyaddr_r" = "yes" &&
test "$tst_compi_gethostbyaddr_r" = "yes" &&
test "$tst_allow_gethostbyaddr_r" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_GETHOSTBYADDR_R, 1,
[Define to 1 if you have the gethostbyaddr_r function.])
dnl AC_DEFINE_UNQUOTED(GETHOSTBYADDR_R_ARGS, $tst_nargs_gethostbyaddr_r,
dnl [Specifies the number of arguments to gethostbyaddr_r])
#
if test "$tst_nargs_getservbyport_r" -eq "5"; then
AC_DEFINE(HAVE_GETHOSTBYADDR_R_5, 1, [gethostbyaddr_r() takes 5 args])
elif test "$tst_nargs_getservbyport_r" -eq "7"; then
AC_DEFINE(HAVE_GETHOSTBYADDR_R_7, 1, [gethostbyaddr_r() takes 7 args])
elif test "$tst_nargs_getservbyport_r" -eq "6"; then
AC_DEFINE(HAVE_GETHOSTBYADDR_R_8, 1, [gethostbyaddr_r() takes 8 args])
fi
#
ac_cv_func_gethostbyaddr_r="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_gethostbyaddr_r="no"
fi
])
dnl CURL_CHECK_FUNC_GETHOSTBYNAME_R
dnl -------------------------------------------------
dnl Verify if gethostbyname_r is available, prototyped,
dnl and can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_gethostbyname_r, then
dnl HAVE_GETHOSTBYNAME_R will be defined.
AC_DEFUN([CURL_CHECK_FUNC_GETHOSTBYNAME_R], [
AC_REQUIRE([CURL_INCLUDES_SYS_UIO])dnl
#
tst_links_gethostbyname_r="unknown"
tst_proto_gethostbyname_r="unknown"
tst_compi_gethostbyname_r="unknown"
tst_allow_gethostbyname_r="unknown"
tst_nargs_gethostbyname_r="unknown"
#
AC_MSG_CHECKING([if gethostbyname_r can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([gethostbyname_r])
],[
AC_MSG_RESULT([yes])
tst_links_gethostbyname_r="yes"
],[
AC_MSG_RESULT([no])
tst_links_gethostbyname_r="no"
])
#
if test "$tst_links_gethostbyname_r" = "yes"; then
AC_MSG_CHECKING([if gethostbyname_r is prototyped])
AC_EGREP_CPP([gethostbyname_r],[
$curl_includes_netdb
],[
AC_MSG_RESULT([yes])
tst_proto_gethostbyname_r="yes"
],[
AC_MSG_RESULT([no])
tst_proto_gethostbyname_r="no"
])
fi
#
if test "$tst_proto_gethostbyname_r" = "yes"; then
if test "$tst_nargs_gethostbyname_r" = "unknown"; then
AC_MSG_CHECKING([if gethostbyname_r takes 3 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_netdb
]],[[
if(0 != gethostbyname_r(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_gethostbyname_r="yes"
tst_nargs_gethostbyname_r="3"
],[
AC_MSG_RESULT([no])
tst_compi_gethostbyname_r="no"
])
fi
if test "$tst_nargs_gethostbyname_r" = "unknown"; then
AC_MSG_CHECKING([if gethostbyname_r takes 5 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_netdb
]],[[
if(0 != gethostbyname_r(0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_gethostbyname_r="yes"
tst_nargs_gethostbyname_r="5"
],[
AC_MSG_RESULT([no])
tst_compi_gethostbyname_r="no"
])
fi
if test "$tst_nargs_gethostbyname_r" = "unknown"; then
AC_MSG_CHECKING([if gethostbyname_r takes 6 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_netdb
]],[[
if(0 != gethostbyname_r(0, 0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_gethostbyname_r="yes"
tst_nargs_gethostbyname_r="6"
],[
AC_MSG_RESULT([no])
tst_compi_gethostbyname_r="no"
])
fi
AC_MSG_CHECKING([if gethostbyname_r is compilable])
if test "$tst_compi_gethostbyname_r" = "yes"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
#
if test "$tst_compi_gethostbyname_r" = "yes"; then
AC_MSG_CHECKING([if gethostbyname_r usage allowed])
if test "x$curl_disallow_gethostbyname_r" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_gethostbyname_r="yes"
else
AC_MSG_RESULT([no])
tst_allow_gethostbyname_r="no"
fi
fi
#
AC_MSG_CHECKING([if gethostbyname_r might be used])
if test "$tst_links_gethostbyname_r" = "yes" &&
test "$tst_proto_gethostbyname_r" = "yes" &&
test "$tst_compi_gethostbyname_r" = "yes" &&
test "$tst_allow_gethostbyname_r" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_GETHOSTBYNAME_R, 1,
[Define to 1 if you have the gethostbyname_r function.])
dnl AC_DEFINE_UNQUOTED(GETHOSTBYNAME_R_ARGS, $tst_nargs_gethostbyname_r,
dnl [Specifies the number of arguments to gethostbyname_r])
#
if test "$tst_nargs_getservbyport_r" -eq "3"; then
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3, 1, [gethostbyname_r() takes 3 args])
elif test "$tst_nargs_getservbyport_r" -eq "5"; then
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5, 1, [gethostbyname_r() takes 5 args])
elif test "$tst_nargs_getservbyport_r" -eq "6"; then
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6, 1, [gethostbyname_r() takes 6 args])
fi
#
ac_cv_func_gethostbyname_r="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_gethostbyname_r="no"
fi
])
dnl CURL_CHECK_FUNC_GETHOSTNAME
dnl -------------------------------------------------
dnl Verify if gethostname is available, prototyped, and