Subject: |
Re: Error LNK2005 building Diamond's nullhttpd module on Windows |
From: |
Andrew Johnson <[email protected]> |
To: |
<[email protected]> |
Date: |
Wed, 16 May 2018 16:59:29 -0500 |
Hi Lewis,
I know nothing about nullhttpd, but...
On 05/16/2018 04:41 PM, J. Lewis Muir wrote:
> Now I'm getting the following error (the full output is at the end of
> this email):
>
> ===
> link -nologo -subsystem:windows -dll -LTCG -incremental:no -opt:ref -release /NODEFAULTLIB:LIBCMT.lib -implib:nullhttpd.lib -out:nullhttpd.dll cgi.obj files.obj http.obj win32.obj config.obj format.obj server.obj main.obj
> server.obj : error LNK2001: unresolved external symbol __imp__MessageBoxA@16
> ===
>
> Ideas?
MessageBoxA() is a MS Windows call to bring up an alert box, and is
found in user32.dll. You could try linking to that library.
> cl -c -nologo -D__STDC__=0 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -Ox -GL -Oy- -W3 -DWIN32 -MD -I. -I..\\O.Common -I. -I.. -I..\\..\\include\\os\\WIN32 -I..\\..\\include -IC:\opt\epics-base\\include\\os\\WIN32 -IC:\opt\epics-base\\include ..\\server.c
> server.c
> ..\server.c(46) : warning C4133: 'function' : incompatible types - from 'long *' to 'const time_t *'
> ..\server.c(70) : warning C4133: 'function' : incompatible types - from 'long *' to 'const time_t *'
> ..\server.c(447) : warning C4244: '=' : conversion from 'time_t' to 'int', possible loss of data
Those warnings look rather ominous, I would suggest investigating them
to make sure they aren't going to cause problems. The time_t type on
Windows may have changed from 32 to 64-bit since this code was written.
HTH,
- Andrew
--
Arguing for surveillance because you have nothing to hide is no
different than making the claim, "I don't care about freedom of
speech because I have nothing to say." -- Edward Snowdon
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