Dixitur illum ih8mj@fjf.gnu.de scribere...
s,^TEST_PATHS *=.*,TEST_PATHS=-I ../rts --unit-path=`cd $(srcdir)/p/units && pwd`," \
Of course it should work ;-) But you ought to really use
s,^TEST_PATHS *=.*,TEST_PATHS=-I ../rts --unit-path=$$(cd $(srcdir)/p/units && pwd)," \
//Thorsten