removenullpaths=sed -e 's/^://g' -e 's/:$$//g' -e 's/::/:/g'
# Generate epaths.h from epaths.in. This target is invoked by `configure'.
+# See comments in configure.in for why it is done this way, as opposed
+# to just letting configure generate epaths.h from epaths.in in a
+# similar way to how Makefile is made from Makefile.in.
epaths-force: FRC
@(lisppath=`echo ${lisppath} | ${removenullpaths}` ; \
buildlisppath=`echo ${buildlisppath} | ${removenullpaths}` ; \