[Vm-dev] Thanks, I was able to build Cog

[stephane ducasse]

Thanks dimitry 
the goal of igor's work is to make sure that people can compile the vm alone in the dark :)


On Jul 5, 2011, at 5:39 AM, Dimitry Golubovsky wrote:

> 
> Hi,
> 
> Thanks Igor and Mariano. I synced my clone repo with blessed, and was
> able to build Cog via cmake (looks like I did not read one paragraph
> in Mariano's guide ;)
> 
> I ran into the cc1: error: unrecognized command line option
> "-mno-fused-madd" error while compiling the float math plugin.
> 
> I use
> 
> dima at slax:~/src/cogvm/dmg-blessed/build$ gcc --version
> gcc (GCC) 4.2.4
> Copyright (C) 2007 Free Software Foundation, Inc.
> 
> not very new but did not really have plans to upgrade it. I followed
> this discussion:
> 
> http://forum.world.st/Failed-to-build-FloatMathPlugin-on-FreeBSD-td3346374.html
> 
> commenting out the relevant line in FloatMathPlugin/CMakeLists.txt
> 
> I see where it is coming from (class CPlatformConfig in CMakeVMMaker):
> 
> configureFloatMathPlugin: maker
> 	"extra rules for FloatMathPlugin"
> ....
> 
> 	"according to http://www.netlib.org/fdlibm/readme
> 	it should be compiled with no optimizations"
> 	maker addDefinitions: '-O0 -mno-fused-madd'.
> 
> 
> Thanks.
> 
> -- 
> Dimitry Golubovsky
> 
> Anywhere on the Web