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improve detection of getservbyport_r()

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This commit is contained in:
Yang Tse
2008-09-17 11:31:37 +00:00
parent f30959c6bd
commit 0c1ae21c11
6 changed files with 333 additions and 135 deletions
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163
m4/curl-functions.m4
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@@ -22,7 +22,28 @@
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
# serial 8
# serial 13
dnl CURL_INCLUDES_NETDB
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when netdb.h is to be included.
AC_DEFUN([CURL_INCLUDES_NETDB], [
curl_includes_netdb="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h netdb.h,
[], [], [$curl_includes_netdb])
])
dnl CURL_INCLUDES_SIGNAL
@@ -438,6 +459,146 @@ AC_DEFUN([CURL_CHECK_FUNC_GETHOSTNAME], [
])
dnl CURL_CHECK_FUNC_GETSERVBYPORT_R
dnl -------------------------------------------------
dnl Verify if getservbyport_r is available, prototyped,
dnl and can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_getservbyport_r, then
dnl HAVE_GETSERVBYPORT_R will be defined.
AC_DEFUN([CURL_CHECK_FUNC_GETSERVBYPORT_R], [
AC_REQUIRE([CURL_INCLUDES_SYS_UIO])dnl
#
tst_links_getservbyport_r="unknown"
tst_proto_getservbyport_r="unknown"
tst_compi_getservbyport_r="unknown"
tst_allow_getservbyport_r="unknown"
tst_nargs_getservbyport_r="unknown"
#
AC_MSG_CHECKING([if getservbyport_r can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([getservbyport_r])
],[
AC_MSG_RESULT([yes])
tst_links_getservbyport_r="yes"
],[
AC_MSG_RESULT([no])
tst_links_getservbyport_r="no"
])
#
if test "$tst_links_getservbyport_r" = "yes"; then
AC_MSG_CHECKING([if getservbyport_r is prototyped])
AC_EGREP_CPP([getservbyport_r],[
$curl_includes_netdb
],[
AC_MSG_RESULT([yes])
tst_proto_getservbyport_r="yes"
],[
AC_MSG_RESULT([no])
tst_proto_getservbyport_r="no"
])
fi
#
if test "$tst_proto_getservbyport_r" = "yes"; then
if test "$tst_nargs_getservbyport_r" = "unknown"; then
AC_MSG_CHECKING([if getservbyport_r takes 4 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_netdb
]],[[
if(0 != getservbyport_r(0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_getservbyport_r="yes"
tst_nargs_getservbyport_r="4"
],[
AC_MSG_RESULT([no])
tst_compi_getservbyport_r="no"
])
fi
if test "$tst_nargs_getservbyport_r" = "unknown"; then
AC_MSG_CHECKING([if getservbyport_r takes 5 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_netdb
]],[[
if(0 != getservbyport_r(0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_getservbyport_r="yes"
tst_nargs_getservbyport_r="5"
],[
AC_MSG_RESULT([no])
tst_compi_getservbyport_r="no"
])
fi
if test "$tst_nargs_getservbyport_r" = "unknown"; then
AC_MSG_CHECKING([if getservbyport_r takes 6 args.])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_netdb
]],[[
if(0 != getservbyport_r(0, 0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_getservbyport_r="yes"
tst_nargs_getservbyport_r="6"
],[
AC_MSG_RESULT([no])
tst_compi_getservbyport_r="no"
])
fi
AC_MSG_CHECKING([if getservbyport_r is compilable])
if test "$tst_compi_getservbyport_r" = "yes"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
#
if test "$tst_compi_getservbyport_r" = "yes"; then
AC_MSG_CHECKING([if getservbyport_r usage allowed])
if test "x$curl_disallow_getservbyport_r" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_getservbyport_r="yes"
else
AC_MSG_RESULT([no])
tst_allow_getservbyport_r="no"
fi
fi
#
AC_MSG_CHECKING([if getservbyport_r might be used])
if test "$tst_links_getservbyport_r" = "yes" &&
test "$tst_proto_getservbyport_r" = "yes" &&
test "$tst_compi_getservbyport_r" = "yes" &&
test "$tst_allow_getservbyport_r" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_GETSERVBYPORT_R, 1,
[Define to 1 if you have the getservbyport_r function.])
AC_DEFINE_UNQUOTED(GETSERVBYPORT_R_ARGS, $tst_nargs_getservbyport_r,
[Specifies the number of arguments to getservbyport_r])
if test "$tst_nargs_getservbyport_r" -eq "4"; then
AC_DEFINE(GETSERVBYPORT_R_BUFSIZE, sizeof(struct servent_data),
[Specifies the size of the buffer to pass to getservbyport_r])
else
AC_DEFINE(GETSERVBYPORT_R_BUFSIZE, 4096,
[Specifies the size of the buffer to pass to getservbyport_r])
fi
ac_cv_func_getservbyport_r="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_getservbyport_r="no"
fi
])
dnl CURL_CHECK_FUNC_GMTIME_R
dnl -------------------------------------------------
dnl Verify if gmtime_r is available, prototyped, can