-GLOBAL_VAR(pgm_L, findFile "unlit" cGHC_UNLIT, String)
-GLOBAL_VAR(pgm_P, cRAWCPP, String)
-GLOBAL_VAR(pgm_C, findFile "hsc" cGHC_HSC, String)
-GLOBAL_VAR(pgm_c, cGCC, String)
-GLOBAL_VAR(pgm_m, findFile "ghc-asm" cGHC_MANGLER, String)
-GLOBAL_VAR(pgm_s, findFile "ghc-split" cGHC_SPLIT, String)
-GLOBAL_VAR(pgm_a, cGCC, String)
-GLOBAL_VAR(pgm_l, cGCC, String)
+GLOBAL_VAR(pgm_L, error "pgm_L", String)
+GLOBAL_VAR(pgm_P, cRAWCPP, String)
+GLOBAL_VAR(pgm_C, error "pgm_L", String)
+GLOBAL_VAR(pgm_c, cGCC, String)
+GLOBAL_VAR(pgm_m, error "pgm_m", String)
+GLOBAL_VAR(pgm_s, error "pgm_s", String)
+GLOBAL_VAR(pgm_a, cGCC, String)
+GLOBAL_VAR(pgm_l, cGCC, String)