[Haskell-beginners] Compiling with HDBC

[David McBride]

Use ghc --make.

I heard that the newest version of ghc uses --make implicitely so you
don't have to specify it, but I haven't actually experienced it myself
yet.

On Fri, May 13, 2011 at 1:35 AM, Christopher Howard
<christopher.howard at frigidcode.com> wrote:
> Hi. I'm very new to Haskell, but I'm trying to compile a simple program
> that uses HDBC with ODBC. I am working on an amd64 Gentoo Linux system.
> I've installed hdbc and hdbc-odbc with the unixOBDC bindings. So far, I
> created a small hello world type program. It doesn't use any HDBC
> functionality yet, but I inserted the following two lines at the top to
> see if I could compile correctly:
>
> import Database.HDBC
> import Database.HDBC.ODBC
>
> However, when I try to compile I get this:
>
> $ ghc Main.hs
> Main.o: In function `s1cY_info':
> (.text+0x1ef): undefined reference to
> `__stginit_HDBCzmodbczm1zi1zi3zi0_DatabaseziHDBCziODBC_'
> Main.o: In function `s1cY_info':
> (.text+0x1fb): undefined reference to
> `__stginit_HDBCzm2zi2zi6zi1_DatabaseziHDBC_'
> collect2: ld returned 1 exit status
>
> Though, these errors do not show up when I run the .hs file with runhaskell.
>
> I'm guessing I just don't know how to link to the correct library or
> libraries. I tried adding -lodbc to the ghc line but that did not help.
> In /usr/lib I see libodbc.so, as well as the directories hdbc-1.1.3 and
> hdbc-odbc-1.1.3.0. I would appreciate any guidance.
>
> --
> frigidcode.com
> theologia.indicium.us
>
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