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138 lines
4.1 KiB
138 lines
4.1 KiB
dnl @synopsis XERCES_MSGLOADER_SELECTION
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dnl
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dnl Determine which msgloader to use.
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dnl
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dnl @category C
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dnl @author James Berry
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dnl @version 2005-05-23
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dnl @license AllPermissive
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dnl
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dnl $Id: xerces_msgloader_selection.m4 835245 2009-11-12 05:57:31Z borisk $
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AC_DEFUN([XERCES_MSGLOADER_SELECTION],
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[
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######################################################
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# Test for availability of each msgloader on this host.
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# For each msgloader that's available, and hasn't been disabled, add it to our list.
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# If the msgloader has been explicitly "enable"d, then vote for it strongly,
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# in upper case.
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######################################################
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ml_list=
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# Check for inmemory msgloader
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AC_MSG_CHECKING([whether we support the InMemory MsgLoader])
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list_add=
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AS_IF([true], [
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AC_ARG_ENABLE([msgloader-inmemory],
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AS_HELP_STRING([--enable-msgloader-inmemory],
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[Enable InMemory MsgLoader support]),
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[AS_IF([test x"$enableval" = xyes],
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[list_add=INMEMORY])],
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[list_add=inmemory])
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])
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AS_IF([test x"$list_add" != x],
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[ml_list="$ml_list -$list_add-"; AC_MSG_RESULT(yes)],
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[AC_MSG_RESULT(no)]
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)
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# Check for ICU
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AC_REQUIRE([XERCES_ICU_PREFIX])
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AC_MSG_CHECKING([whether we support the ICU MsgLoader])
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list_add=
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AS_IF([test x"$xerces_cv_icu_present" != x"no"], [
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AC_ARG_ENABLE([msgloader-icu],
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AS_HELP_STRING([--enable-msgloader-icu],
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[Enable ICU-based MsgLoader support]),
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[AS_IF([test x"$enableval" = xyes],
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[list_add=ICU])],
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[list_add=icu])
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])
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AS_IF([test x"$list_add" != x],
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[ml_list="$ml_list -$list_add-"; AC_MSG_RESULT(yes)],
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[AC_MSG_RESULT(no)]
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)
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# Check for iconv support
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no_iconv=false
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AC_CHECK_HEADERS([nl_types.h], [], [no_iconv=true])
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AC_CHECK_FUNCS([catopen catclose catgets], [], [no_iconv=true])
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AC_MSG_CHECKING([whether we can support the iconv MsgLoader])
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list_add=
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AS_IF([! $no_iconv], [
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AC_ARG_ENABLE([msgloader-iconv],
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AS_HELP_STRING([--enable-msgloader-iconv],
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[Enable Iconv-based MsgLoader support]),
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[AS_IF([test x"$enableval" = xyes],
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[list_add=ICONV])],
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[list_add=iconv])
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])
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AS_IF([test x"$list_add" != x],
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[ml_list="$ml_list -$list_add-"; AC_MSG_RESULT(yes)],
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[AC_MSG_RESULT(no)]
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)
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# TODO: Add test for additional msgloaders
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######################################################
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# Determine which msgloader to use.
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#
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# We do this in two passes. MsgLoaders that have been enabled with "yes",
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# and which start out in upper case, get the top priority on the first pass.
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# On the second pass, we consider those which are simply available, but
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# which were not "disable"d (these won't even be in our list).
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######################################################
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msgloader=
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az_lower=abcdefghijklmnopqrstuvwxyz
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az_upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
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AC_MSG_CHECKING([for which MsgLoader to use (choices:$ml_list)])
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for i in 1 2; do
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# Swap upper/lower case in the ml_list. Cannot use tr ranges
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# because of the portability issues.
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#
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ml_list=`echo $ml_list | tr "$az_lower$az_upper" "$az_upper$az_lower"`
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# Check for each msgloader, in implicit rank order
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case $ml_list in
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*-inmemory-*)
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AC_DEFINE([XERCES_USE_MSGLOADER_INMEMORY], 1, [Define to use the InMemory MsgLoader])
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msgloader=inmemory
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break
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;;
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*-icu-*)
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AC_DEFINE([XERCES_USE_MSGLOADER_ICU], 1, [Define to use the ICU-based MsgLoader])
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msgloader=icu
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LIBS="${LIBS} ${xerces_cv_icu_libs}"
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break
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;;
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*-iconv-*)
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AC_DEFINE([XERCES_USE_MSGLOADER_ICONV], 1, [Define to use the iconv-based MsgLoader])
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msgloader=iconv
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break
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;;
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*)
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AS_IF([test $i -eq 2], [
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AC_MSG_RESULT([none])
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AC_MSG_ERROR([Xerces cannot function without a MsgLoader])
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]
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)
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;;
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esac
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done
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if test x"$msgloader" != x; then
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AC_MSG_RESULT($msgloader)
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fi
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# Define the auto-make conditionals which determine what actually gets compiled
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# Note that these macros can't be executed conditionally, which is why they're here, not above.
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AM_CONDITIONAL([XERCES_USE_MSGLOADER_ICU], [test x"$msgloader" = xicu])
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AM_CONDITIONAL([XERCES_USE_MSGLOADER_ICONV], [test x"$msgloader" = xiconv])
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AM_CONDITIONAL([XERCES_USE_MSGLOADER_INMEMORY], [test x"$msgloader" = xinmemory])
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]
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)
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