if test -d /opt/local/include && test -d /opt/local/lib; then
CPPFLAGS="${CPPFLAGS} -I/opt/local/include"
LDFLAGS="${LDFLAGS} -L/opt/local/lib"
if test -d /opt/local/include && test -d /opt/local/lib; then
CPPFLAGS="${CPPFLAGS} -I/opt/local/include"
LDFLAGS="${LDFLAGS} -L/opt/local/lib"