Sorry. It's obviously -fglasgow-exts. I didn't realise it did things at the linking stage as well as the compilation stage. Dominic Steinitz 21/12/2000 16:30:15 To: glasgow-haskell-users cc: Chris.Reade djrussell B.Avery dominic molyneux bcc: Subject: GHC Command Line Help I was experimenting with using FiniteMap. The program compiled ok but the linker gave me the following error. What do I need to include on the command line or have I not installed ghc correctly? [dom@lhrtba8fd85 FiniteMap]$ /usr/bin/ghc -o main test.o -L/usr/lib/ghc-4.08.1 - lHSlang -lHSdata /usr/lib/ghc-4.08.1/libHSdata.a(FiniteMap__1.o): In function `__init_FiniteMap': FiniteMap__1.o(.text+0x16): undefined reference to `__init_GlaExts' collect2: ld returned 1 exit status ------------------------------------------------------------------------------------------------- 21st century air travel http://www.britishairways.com ------------------------------------------------------------------------------------------------- 21st century air travel http://www.britishairways.com