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dnl @synopsis XERCES_MSGLOADER_SELECTION
dnl
dnl Determine which msgloader to use.
dnl
dnl @category C
dnl @author James Berry
dnl @version 2005-05-23
dnl @license AllPermissive
dnl
dnl $Id$
AC_DEFUN([XERCES_MSGLOADER_SELECTION],
[
######################################################
# Test for availability of each msgloader on this host.
# For each msgloader that's available, and hasn't been disabled, add it to our list.
# If the msgloader has been explicitly "enable"d, then vote for it strongly,
# in upper case.
######################################################
ml_list=
# Check for inmemory msgloader
AC_MSG_CHECKING([whether we support the InMemory MsgLoader])
list_add=
AS_IF([true], [
AC_ARG_ENABLE([msgloader-inmemory],
AS_HELP_STRING([--enable-msgloader-inmemory],
[Enable InMemory MsgLoader support]),
[AS_IF([test x"$enableval" = xyes],
[list_add=INMEMORY])],
[list_add=inmemory])
])
AS_IF([test x"$list_add" != x],
[ml_list="$ml_list -$list_add-"; AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)]
)
# Check for ICU
AC_REQUIRE([XERCES_ICU_PREFIX])
AC_MSG_CHECKING([whether we support the ICU MsgLoader])
list_add=
AS_IF([test x"$xerces_cv_icu_present" != x"no"], [
AC_ARG_ENABLE([msgloader-icu],
AS_HELP_STRING([--enable-msgloader-icu],
[Enable ICU-based MsgLoader support]),
[AS_IF([test x"$enableval" = xyes],
[list_add=ICU])],
[list_add=icu])
])
AS_IF([test x"$list_add" != x],
[ml_list="$ml_list -$list_add-"; AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)]
)
# Check for iconv support
no_iconv=false
AC_CHECK_HEADERS([nl_types.h], [], [no_iconv=true])
AC_CHECK_FUNCS([catopen catclose catgets], [], [no_iconv=true])
AC_MSG_CHECKING([whether we can support the iconv MsgLoader])
list_add=
AS_IF([! $no_iconv], [
AC_ARG_ENABLE([msgloader-iconv],
AS_HELP_STRING([--enable-msgloader-iconv],
[Enable Iconv-based MsgLoader support]),
[AS_IF([test x"$enableval" = xyes],
[list_add=ICONV])],
[list_add=iconv])
])
AS_IF([test x"$list_add" != x],
[ml_list="$ml_list -$list_add-"; AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)]
)
# TODO: Add test for additional msgloaders
######################################################
# Determine which msgloader to use.
#
# We do this in two passes. MsgLoaders that have been enabled with "yes",
# and which start out in upper case, get the top priority on the first pass.
# On the second pass, we consider those which are simply available, but
# which were not "disable"d (these won't even be in our list).
######################################################
msgloader=
az_lower=abcdefghijklmnopqrstuvwxyz
az_upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
AC_MSG_CHECKING([for which MsgLoader to use (choices:$ml_list)])
for i in 1 2; do
# Swap upper/lower case in the ml_list. Cannot use tr ranges
# because of the portability issues.
#
ml_list=`echo $ml_list | tr "$az_lower$az_upper" "$az_upper$az_lower"`
# Check for each msgloader, in implicit rank order
case $ml_list in
*-inmemory-*)
AC_DEFINE([XERCES_USE_MSGLOADER_INMEMORY], 1, [Define to use the InMemory MsgLoader])
msgloader=inmemory
break
;;
*-icu-*)
AC_DEFINE([XERCES_USE_MSGLOADER_ICU], 1, [Define to use the ICU-based MsgLoader])
msgloader=icu
LIBS="${LIBS} ${xerces_cv_icu_libs}"
break
;;
*-iconv-*)
AC_DEFINE([XERCES_USE_MSGLOADER_ICONV], 1, [Define to use the iconv-based MsgLoader])
msgloader=iconv
break
;;
*)
AS_IF([test $i -eq 2], [
AC_MSG_RESULT([none])
AC_MSG_ERROR([Xerces cannot function without a MsgLoader])
]
)
;;
esac
done
if test x"$msgloader" != x; then
AC_MSG_RESULT($msgloader)
fi
# Define the auto-make conditionals which determine what actually gets compiled
# Note that these macros can't be executed conditionally, which is why they're here, not above.
AM_CONDITIONAL([XERCES_USE_MSGLOADER_ICU], [test x"$msgloader" = xicu])
AM_CONDITIONAL([XERCES_USE_MSGLOADER_ICONV], [test x"$msgloader" = xiconv])
AM_CONDITIONAL([XERCES_USE_MSGLOADER_INMEMORY], [test x"$msgloader" = xinmemory])
]
)
|
