configure.ac: require xmlto for --enable-documentation
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@@ -1733,8 +1733,11 @@ dnl Documentation
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dnl ---------------------------------------------------------------------------
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if test x$enable_documentation = xyes; then
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AC_PATH_PROG(XMLTO, xmlto)
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if test x$XMLTO = x; then
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AC_MSG_ERROR([xmlto not found])
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fi
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AC_SUBST(XMLTO)
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AM_CONDITIONAL(HAVE_XMLTO, test x$XMLTO != x)
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AC_PATH_PROG(DOXYGEN, doxygen)
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if test x$DOXYGEN = x; then
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@@ -1742,8 +1745,6 @@ if test x$enable_documentation = xyes; then
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fi
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AC_SUBST(DOXYGEN)
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else
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AM_CONDITIONAL(HAVE_XMLTO, false)
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fi
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AM_CONDITIONAL(ENABLE_DOCUMENTATION, test x$enable_documentation = xyes)
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