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Re: error trying to build very simple dll
- To: Robert Cordingley <cord at ragesoft dot com>
- Subject: Re: error trying to build very simple dll
- From: "Charles S. Wilson" <cwilson at ece dot gatech dot edu>
- Date: Wed, 11 Jul 2001 16:41:18 -0400
- CC: cygwin at cygwin dot com
- References: <5.1.0.14.2.20010711145916.00aa2d60@earth.he.net>
You're using some old documentation : while dlltool works, most of its
functionality has been absorbed directly into ld (e.g. gcc -shared)
Take a look at:
http://www.neuro.gatech.edu/users/cwilson/cygutils/V1.1/dll-stuff/
For more up-to-date examples.
--Chuck
Robert Cordingley wrote:
> Trying to build a very simple little dll, I get the following error:
>
> $ dlltool --def gettz.def --output-exp gettz.exp --output-lib gettz.a
> --dllname gettz.dll
> $ gcc -c gettz.c
> $ ld -o gettz.dll gettz.exp gettz.o
> ld: warning: cannot find entry symbol _mainCRTStartup; defaulting to
> 00401000
> gettz.o(.text+0xc):gettz.c: undefined reference to `time'
> gettz.o(.text+0x20):gettz.c: undefined reference to `localtime'
> gettz.o(.text+0x28):gettz.c: undefined reference to `_imp___tzname'
>
> I'm not at all experienced with Cygwin development, and only a bit more
> experienced on actual unix. Please forgive me if this is painfully
> obvious to the more knowledgeable folks on here.
>
> Robert
>
>
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