error building HEAD

I am trying to build ghc from the latest src from darcs (pulled today) on
ubuntu hardy x86. configure and make *seem* to run fine (no errors reported)
but make install gives a long stream of errors. Here's some of the output.
What's wrong? Thanks!

Jim
---------------

(.text+0x435): undefined reference to `DistributionziPackage_zdwdisp1_info'
Main.o: In function `s7Un_info':
(.text+0x7744): undefined reference to `base_TextziReadziLex_a119_info'
Main.o: In function `s7VC_info':
(.text+0x7de4): undefined reference to `base_TextziReadziLex_a119_info'
Main.o: In function `s7WV_info':
(.text+0x849c): undefined reference to `base_TextziReadziLex_a119_info'
Main.o: In function `s7Ye_info':
(.text+0x8b38): undefined reference to `base_TextziReadziLex_a119_info'
Main.o: In function `s7Zx_info':
(.text+0x91c0): undefined reference to `base_TextziReadziLex_a119_info'
Main.o:(.text+0x982c): more undefined references to
`base_TextziReadziLex_a119_info' follow
Main.o: In function `r7rA_info':
(.text+0xd59b): undefined reference to
`base_GHCziHandle_checkWritableHandle_info'
Main.o: In function `r7rC_info':
(.text+0xd5cb): undefined reference to
`base_GHCziHandle_checkWritableHandle_info'
Main.o: In function `sdW4_info':
(.text+0xd62e): undefined reference to `base_GHCziIO_zdwa13_info'