casa-mp-base

--- configure.ac.old    2018-02-28 10:53:45.000000000 +0100

+++ configure.ac    2018-03-02 05:04:20.000000000 +0100

@@ -22,7 +22,7 @@ AC_PROG_LIBTOOL

 COMP_VERSION=nxcomp_version

 AC_SUBST([COMP_VERSION])

-LT_COMP_VERSION=[`echo $COMP_VERSION | sed -r -e 's/^([0-9]+\.[0-9]+\.[0-9]+).*$/\1/' -e 's/\./:/g'`]

+LT_COMP_VERSION=[`echo $COMP_VERSION | sed -E -e 's/^([0-9]+\.[0-9]+\.[0-9]+).*$/\1/' -e 's/\./:/g'`]

 AC_SUBST([LT_COMP_VERSION])

 # Silence warning: ar: 'u' modifier ignored since 'D' is the default