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|
dnl @synopsis XERCES_NETACCESSOR_SELECTION
dnl
dnl Determines the which netaccessor to use
dnl
dnl @category C
dnl @author James Berry
dnl @version 2005-05-23
dnl @license AllPermissive
dnl
dnl $Id$
AC_DEFUN([XERCES_NETACCESSOR_SELECTION],
[
network=yes
AC_ARG_ENABLE(
[network],
AS_HELP_STRING([--disable-network], [Disable network support (enabled by default)]),
[AS_IF([test x"$enableval" = xno], [network=no])])
# If network is disabled we don't need to check any of the
# netaccessors.
#
na_list=
if test x"$network" = xyes; then
# Checks for libraries.
AC_CHECK_LIB([socket], [socket])
AC_CHECK_LIB([nsl], [gethostbyname])
######################################################
# Test for availability of each netaccessor on this host.
# For each netaccessor that's available, and hasn't been disabled, add it to our list.
# If the netaccessor has been explicitly "enable"d, then vote for it strongly,
# in upper case.
######################################################
AC_REQUIRE([XERCES_CURL_PREFIX])
AC_MSG_CHECKING([whether we can support the libcurl-based NetAccessor])
list_add=
AS_IF([test x"$xerces_cv_curl_present" != x"no"], [
AC_ARG_ENABLE([netaccessor-curl],
AS_HELP_STRING([--enable-netaccessor-curl],
[Enable libcurl-based NetAccessor support]),
[AS_IF([test x"$enableval" = xyes],
[list_add=CURL])],
[list_add=curl])
])
AS_IF([test x"$list_add" != x],
[na_list="$na_list -$list_add-"; AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([whether we can support the sockets-based NetAccessor])
list_add=
AS_IF([test x"$ac_cv_header_sys_socket_h" = xyes],
[AC_ARG_ENABLE([netaccessor-socket],
AS_HELP_STRING([--enable-netaccessor-socket],
[Enable sockets-based NetAccessor support]),
[AS_IF([test x"$enableval" = xyes],
[list_add=SOCKET])],
[list_add=socket])
])
AS_IF([test x"$list_add" != x],
[na_list="$na_list -$list_add-"; AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)]
)
# Check for OS-specific netaccessors
case $host_os in
darwin*)
list_add=
AC_MSG_CHECKING([whether we can support the CFURL NetAccessor (Mac OS X)])
AS_IF([test x"$ac_cv_header_CoreServices_CoreServices_h" = xyes], [
AC_ARG_ENABLE([netaccessor-cfurl],
AS_HELP_STRING([--enable-netaccessor-cfurl],
[Enable cfurl-based NetAccessor support]),
[AS_IF([test x"$enableval" = xyes],
[list_add=CFURL])],
[list_add=cfurl])
]
)
AS_IF([test x"$list_add" != x],
[na_list="$na_list -$list_add-"; AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)]
)
;;
windows* | mingw*)
list_add=
no_winsock=false
AC_CHECK_HEADERS([winsock2.h], [], [no_winsock=true])
AC_MSG_CHECKING([whether we can support the WinSock NetAccessor (Windows)])
AS_IF([! $no_winsock], [
AC_ARG_ENABLE([netaccessor-winsock],
AS_HELP_STRING([--enable-netaccessor-winsock],
[Enable winsock-based NetAccessor support]),
[AS_IF([test x"$enableval" = xyes],
[list_add=WINSOCK])],
[list_add=winsock])
])
AS_IF([test x"$list_add" != x],
[na_list="$na_list -$list_add-"; AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)]
)
;;
cygwin*)
# Only add it to the list if the user explicitly asked
# for it.
#
list_add=
no_winsock=false
AC_CHECK_HEADERS([winsock2.h], [], [no_winsock=true])
AC_MSG_CHECKING([whether to use the WinSock NetAccessor (Windows)])
AS_IF([! $no_winsock], [
AC_ARG_ENABLE([netaccessor-winsock],
AS_HELP_STRING([--enable-netaccessor-winsock],
[Enable winsock-based NetAccessor support]),
[AS_IF([test x"$enableval" = xyes],
[list_add=WINSOCK])])
])
AS_IF([test x"$list_add" != x],
[na_list="$na_list -$list_add-"; AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)]
)
;;
esac
######################################################
# Determine which netaccessor to use.
#
# We do this in two passes. Accessors that have been enabled with "yes",
# and which start out in upper case, get the top priority on the first pass.
# On the second pass, we consider those which are simply available, but
# which were not "disable"d (these won't even be in our list).
######################################################
netaccessor=
az_lower=abcdefghijklmnopqrstuvwxyz
az_upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
AC_MSG_CHECKING([for which NetAccessor to use (choices:$na_list)])
for i in 1 2; do
# Swap upper/lower case in the na_list. Cannot use tr ranges
# because of the portability issues.
#
na_list=`echo $na_list | tr "$az_lower$az_upper" "$az_upper$az_lower"`
# Check for each netaccessor, in implicit rank order
case $na_list in
*-curl-*)
netaccessor=curl
AC_DEFINE([XERCES_USE_NETACCESSOR_CURL], 1, [Define to use the CURL NetAccessor])
LIBS="${LIBS} ${xerces_cv_curl_libs}"
break
;;
*-winsock-*)
netaccessor=winsock
AC_DEFINE([XERCES_USE_NETACCESSOR_WINSOCK], 1, [Define to use the WinSock NetAccessor])
break
;;
*-socket-*)
netaccessor=socket
AC_DEFINE([XERCES_USE_NETACCESSOR_SOCKET], 1, [Define to use the Sockets-based NetAccessor])
break
;;
*-cfurl-*)
netaccessor=cfurl
AC_DEFINE([XERCES_USE_NETACCESSOR_CFURL], 1, [Define to use the Mac OS X CFURL NetAccessor])
XERCES_LINK_DARWIN_FRAMEWORK([CoreServices])
break
;;
*)
AS_IF([test $i -eq 2], [
AC_MSG_RESULT([none available; there will be no network access!!!])
]
)
;;
esac
done
if test x"$netaccessor" != x; then
AC_MSG_RESULT($netaccessor)
fi
else # network
netaccessor=disabled # for the report
fi
# Define the auto-make conditionals which determine what actually gets compiled
# Note that these macros can't be executed conditionally, which is why they're here, not above.
AM_CONDITIONAL([XERCES_USE_NETACCESSOR_CURL], [test x"$netaccessor" = xcurl])
AM_CONDITIONAL([XERCES_USE_NETACCESSOR_CFURL], [test x"$netaccessor" = xcfurl])
AM_CONDITIONAL([XERCES_USE_NETACCESSOR_WINSOCK], [test x"$netaccessor" = xwinsock])
AM_CONDITIONAL([XERCES_USE_NETACCESSOR_SOCKET], [test x"$netaccessor" = xsocket])
]
)
|
