[1 of 6] Compiling C[boot]          ( C.hs-boot, C.o-boot )
[2 of 6] Compiling C                ( C.hs, C.o )
[3 of 6] Compiling B                ( B.hs, B.o )
[4 of 6] Compiling A                ( A.hs, A.o )
[5 of 6] Compiling M                ( M.hs, M.o )
[6 of 6] Compiling Top              ( Top.hs, Top.o )
[3 of 6] Compiling B                ( B.hs, B.o ) [Source file changed]
[4 of 6] Compiling A                ( A.hs, A.o ) [B changed]
[5 of 6] Compiling M                ( M.hs, M.o ) [A changed]
[6 of 6] Compiling Top              ( Top.hs, Top.o ) [M changed]