Hello Mirko, On Tue, Jun 25, 2013 at 1:56 AM, Mirko Vukovic <mirko.vuko...@gmail.com> wrote: > I am trying to link to a VISA library (VISA is used to control data > acquisition instruments), visa32.lib compiled for Windows. The library is > shipped with Tektronix software.
I'm surprised loading it works. That sounds like a static library. > Using `nm' I did find: > 00000000 I __imp__viOpenDefaultRM@4 > 00000000 T _viOpenDefaultRM@4 This looks like the stdcall calling convention. (See "Name-decoration convention" in <http://msdn.microsoft.com/en-us/library/zxk0tw93(v=vs.71).aspx>.) Passing ":convention :stdcall" to DEFCFUN should work. Cheers, -- Luís Oliveira http://kerno.org/~luis/