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# [0-9]+[.][0-9]+(alpha[0.9]+)?
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# in lex syntax; if there is no alpha number, GC_ALPHA_VERSION is empty
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AC_MSG_CHECKING(GC version numbers)
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GC_VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\([[0-9]][[0-9]]*\)[[.]].*$/\1/g'`
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GC_VERSION_MINOR=`echo $PACKAGE_VERSION | sed 's/^[[^.]]*[[.]]\([[0-9]][[0-9]]*\).*$/\1/g'`