my lazy wrapper script for nvc

nvc-wrapper.sh

#!/bin/sh

guess_prefix() {
	if [ -x ./src/nvc ] ;
	then
		# NOTE: in-tree build, on top build = srouce directly.
		echo "." ;
	else
		if [ -x ../src/nvc ] ;
		then
			# NOTE: inside-tree build, on top of build directory.
			echo ".." ;
		else
			if [ -x ../nvc/src/nvc ] ;
			then
				# NOTE: outside-tree build, on top of build directory.
				echo "../nvc" ;
			else
				# FIXME: improve more prefix guessing?
				echo "NotFound " ;
			fi ;
		fi ;
	fi ;
}

eeval() {
	echo "# $*" ;
	eval $* ;
}

prefix=$(guess_prefix) ;
if test x${prefix} != xNotFound ;
then
	lib=${prefix}/lib/std:${prefix}/lib/ieee:${prefix}/lib/nvc ;
	imp=${prefix}/src ;
	exe=${prefix}/src/nvc ;
	eeval NVC_LIBPATH=${lib} NVC_CYG_LIB=${imp} ${exe} $* ;
else
	echo "# prefix not found" ;
fi ;