Followup to this,

after installing the noted packages using the Ubuntu package manager,
I get the following happy linker errors:
Linking darcs ...
src/Darcs/Arguments.o: In function `sazh_info':
(.text+0xe2ef): undefined reference to
`regexzmcompatzm0zi91_TextziRegex_tpl_info'
src/Darcs/Arguments.o: In function `r61G_closure':
(.data+0x6f60): undefined reference to
`regexzmcompatzm0zi91_TextziRegex_tpl_closure'
src/Darcs/Bug.o: In function `s2eO_info':
(.text+0x208b): undefined reference to
`__stginit_regexzmcompatzm0zi91_TextziRegex_'
src/Darcs/Bug.o: In function `s1OL_info':
(.text+0x1216): undefined reference to
`regexzmcompatzm0zi91_TextziRegex_mkRegex_info'
src/Darcs/Bug.o: In function `s257_info':
(.text+0x1420): undefined reference to
`regexzmcompatzm0zi91_TextziRegex_tpl_info'
src/Darcs/Bug.o: In function `r1Lo_srt':
(.data+0x390): undefined reference to
`regexzmcompatzm0zi91_TextziRegex_tpl_closure'
src/Darcs/Bug.o: In function `r1Lo_srt':
(.data+0x398): undefined reference to
`regexzmcompatzm0zi91_TextziRegex_mkRegex_closure'
src/Darcs/FilePathUtils.o: In function `s2fH_info':
(.text+0x6d7): undefined reference to
`regexzmcompatzm0zi91_TextziRegex_tpl_info'
src/Darcs/FilePathUtils.o: In function `s2r8_info':
(.text+0x1397): undefined reference to
`regexzmcompatzm0zi91_TextziRegex_tpl_info'
src/Darcs/FilePathUtils.o: In function `s2ss_info':
(.text+0x15bb): undefined reference to
`regexzmcompatzm0zi91_TextziRegex_tpl_info'

...

There's more, but you get the idea.

-Antoine

On Tue, Apr 1, 2008 at 8:46 PM, Antoine Latter <aslatter@gmail.com> wrote:
> The .cabal lists the version as pre3, but I think I just recently
>  pulled the "tag rc1" path.
>
>  Anyway, after running "./configure --prefix=${MY-PREFIX}" without
>  error, I attempted the following:
>
>  $ make && make install
>  Rebuild dependencies ...
>
>  src/Darcs/Bug.lhs:9:7:
>     Could not find module `Text.Regex':
>       Use -v to see a list of the files searched for.
>  make: *** [.depend] Error 1
>
>  This is on Ubuntu 8.04 Beta, with the Ubuntu packages for GHC 6.8.2
>  installed.  The core install of GHC on Ubuntu does NOT include any of
>  the following packages:
>
>   regex-compat
>   regex-base
>   regex-posix
>
>  -Antoine
>