Failed to build FloatMathPlugin on FreeBSD

>  
> I am setting up to try to add DBus support to the vm. Decided it was
> time to practice building an unmodified vm. Downloaded sources for
> 4.4.7.2357. I have been running Squeak with 3.11.3.2135 and that seems
> to work fine.
>
> make stopped with
>
> [ 10%] Building C object
> FloatMathPlugin/CMakeFiles/FloatMathPlugin.dir/usr/home/gary/OpenSlate/Squeak/Squeak-4.4.7.2357-src/unix/src/vm/intplugins/FloatMathPlugin/FloatMathPlugin.c.o
> cc1: error: unrecognized command line option "-mno-fused-madd"
> *** Error code 1
>
> I was able to make squeak
>
> This is a slightly old version of FreeBSD:
>
> $ uname -a
> FreeBSD slate01 8.0-RELEASE-p2 FreeBSD 8.0-RELEASE-p2 #0: Thu Jan 28
> 06:16:14 HST 2010     gary@slate01:/usr/obj/usr/src/sys/GENERIC  i386

>
> On Thu, Mar 10, 2011 at 09:27:23AM -0800, Gary Dunn wrote:
>>
>> I am setting up to try to add DBus support to the vm. Decided it was
>> time to practice building an unmodified vm. Downloaded sources for
>> 4.4.7.2357. I have been running Squeak with 3.11.3.2135 and that seems
>> to work fine.
>>
>> make stopped with
>>
>> [ 10%] Building C object
>> FloatMathPlugin/CMakeFiles/FloatMathPlugin.dir/usr/home/gary/OpenSlate/Squeak/Squeak-4.4.7.2357-src/unix/src/vm/intplugins/FloatMathPlugin/FloatMathPlugin.c.o
>> cc1: error: unrecognized command line option "-mno-fused-madd"
>> *** Error code 1
>>
>> I was able to make squeak
>>
>> This is a slightly old version of FreeBSD:
>>
>> $ uname -a
>> FreeBSD slate01 8.0-RELEASE-p2 FreeBSD 8.0-RELEASE-p2 #0: Thu Jan 28
>> 06:16:14 HST 2010     gary@slate01:/usr/obj/usr/src/sys/GENERIC  i386
>
> Hi Gary,
>
> Apparently the -mno-fused-madd option is supported only on newer gcc compilers.
> As a workaround, look at platforms/unix/plugins/FloatMathPlugin/config.cmake
> and edit it out. Clean out your build directory, then run configure and you
> should be back in business. This will not effect the behavior of your plugin,
> at least not in any way that will be detected by the test suite.
>
> There was some earlier discussion of this on the list. I suspect that the
> -mno-fused-madd compiler option is completely unnecessary, although I don't
> know for certain if this is the case.
>
> Can any of our numeric gurus confirm if it is safe to just get rid of this
> compiler option for all platforms? It seems to have no effect that can be
> detected by the unit tests.
>
> Earlier discussion was here:
>  http://lists.squeakfoundation.org/pipermail/vm-dev/2011-January/006672.html
>
> Dave
>
> p.s. welcome to the vm-dev list!
>

>
> The compiler option specifies whether to use available machine code to contract floating point operations with no intermediate rounding.
> So unless you're running on a ppc, or some obscure other ones which contain such opcodes, you can safely discard it :)
> If you do, the code in FloatMathPlugin contain such structures, and platform-independent results are important to you, it's a good idea to turn on.
>
> Cheers,
> Henry
>
> PS. -mno-fused-madd is specific to ppc and a few other platforms according to the GCC docs though...
> In November last year, it was aliased to the platform-independent -ffp-contract=off (which I suppose excludes the equivalent IA64 capabilities, as well as any found on future machines), might be a good idea to turn that on just in case in the future.
> The equivalent for the intel compiler is IPF-fma strict (for IA64 only).
>
>
> On Mar 10, 2011, at 9:12 44PM, David T. Lewis wrote:
>
> >
> > On Thu, Mar 10, 2011 at 09:27:23AM -0800, Gary Dunn wrote:
> >>
> >> I am setting up to try to add DBus support to the vm. Decided it was
> >> time to practice building an unmodified vm. Downloaded sources for
> >> 4.4.7.2357. I have been running Squeak with 3.11.3.2135 and that seems
> >> to work fine.
> >>
> >> make stopped with
> >>
> >> [ 10%] Building C object
> >> FloatMathPlugin/CMakeFiles/FloatMathPlugin.dir/usr/home/gary/OpenSlate/Squeak/Squeak-4.4.7.2357-src/unix/src/vm/intplugins/FloatMathPlugin/FloatMathPlugin.c.o
> >> cc1: error: unrecognized command line option "-mno-fused-madd"
> >> *** Error code 1
> >>
> >> I was able to make squeak
> >>
> >> This is a slightly old version of FreeBSD:
> >>
> >> $ uname -a
> >> FreeBSD slate01 8.0-RELEASE-p2 FreeBSD 8.0-RELEASE-p2 #0: Thu Jan 28
> >> 06:16:14 HST 2010     gary@slate01:/usr/obj/usr/src/sys/GENERIC  i386
> >
> > Hi Gary,
> >
> > Apparently the -mno-fused-madd option is supported only on newer gcc compilers.
> > As a workaround, look at platforms/unix/plugins/FloatMathPlugin/config.cmake
> > and edit it out. Clean out your build directory, then run configure and you
> > should be back in business. This will not effect the behavior of your plugin,
> > at least not in any way that will be detected by the test suite.
> >
> > There was some earlier discussion of this on the list. I suspect that the
> > -mno-fused-madd compiler option is completely unnecessary, although I don't
> > know for certain if this is the case.
> >
> > Can any of our numeric gurus confirm if it is safe to just get rid of this
> > compiler option for all platforms? It seems to have no effect that can be
> > detected by the unit tests.
> >
> > Earlier discussion was here:
> >  http://lists.squeakfoundation.org/pipermail/vm-dev/2011-January/006672.html
> >
> > Dave
> >
> > p.s. welcome to the vm-dev list!
> >

>
> On Thu, Mar 10, 2011 at 09:27:23AM -0800, Gary Dunn wrote:
>>
>> I am setting up to try to add DBus support to the vm. Decided it was
>> time to practice building an unmodified vm. Downloaded sources for
>> 4.4.7.2357. I have been running Squeak with 3.11.3.2135 and that seems
>> to work fine.
>>
>> make stopped with
>>
>> [ 10%] Building C object
>> FloatMathPlugin/CMakeFiles/FloatMathPlugin.dir/usr/home/gary/OpenSlate/Squeak/Squeak-4.4.7.2357-src/unix/src/vm/intplugins/FloatMathPlugin/FloatMathPlugin.c.o
>> cc1: error: unrecognized command line option "-mno-fused-madd"
>> *** Error code 1
>>
>> I was able to make squeak
>>
>> This is a slightly old version of FreeBSD:
>>
>> $ uname -a
>> FreeBSD slate01 8.0-RELEASE-p2 FreeBSD 8.0-RELEASE-p2 #0: Thu Jan 28
>> 06:16:14 HST 2010     gary@slate01:/usr/obj/usr/src/sys/GENERIC  i386
>
> Hi Gary,
>
> Apparently the -mno-fused-madd option is supported only on newer gcc compilers.
> As a workaround, look at platforms/unix/plugins/FloatMathPlugin/config.cmake
> and edit it out. Clean out your build directory, then run configure and you
> should be back in business. This will not effect the behavior of your plugin,
> at least not in any way that will be detected by the test suite.
>
> There was some earlier discussion of this on the list. I suspect that the
> -mno-fused-madd compiler option is completely unnecessary, although I don't
> know for certain if this is the case.
>
> Can any of our numeric gurus confirm if it is safe to just get rid of this
> compiler option for all platforms? It seems to have no effect that can be
> detected by the unit tests.
>
> Earlier discussion was here:
>  http://lists.squeakfoundation.org/pipermail/vm-dev/2011-January/006672.html
>
> Dave
>
> p.s. welcome to the vm-dev list!

> On Thu, Mar 10, 2011 at 12:12 PM, David T. Lewis <[hidden email]> wrote:
> >
> > On Thu, Mar 10, 2011 at 09:27:23AM -0800, Gary Dunn wrote:
> >>
> >> I am setting up to try to add DBus support to the vm. Decided it was
> >> time to practice building an unmodified vm. Downloaded sources for
> >> 4.4.7.2357. I have been running Squeak with 3.11.3.2135 and that seems
> >> to work fine.
> >>
> >> make stopped with
> >>
> >> [ 10%] Building C object
> >> FloatMathPlugin/CMakeFiles/FloatMathPlugin.dir/usr/home/gary/OpenSlate/Squeak/Squeak-4.4.7.2357-src/unix/src/vm/intplugins/FloatMathPlugin/FloatMathPlugin.c.o
> >> cc1: error: unrecognized command line option "-mno-fused-madd"
> >> *** Error code 1
> >>
> >> I was able to make squeak
> >>
> >> This is a slightly old version of FreeBSD:
> >>
> >> $ uname -a
> >> FreeBSD slate01 8.0-RELEASE-p2 FreeBSD 8.0-RELEASE-p2 #0: Thu Jan 28
> >> 06:16:14 HST 2010 ? ? gary@slate01:/usr/obj/usr/src/sys/GENERIC ?i386
> >
> > Hi Gary,
> >
> > Apparently the -mno-fused-madd option is supported only on newer gcc compilers.
> > As a workaround, look at platforms/unix/plugins/FloatMathPlugin/config.cmake
> > and edit it out. Clean out your build directory, then run configure and you
> > should be back in business. This will not effect the behavior of your plugin,
> > at least not in any way that will be detected by the test suite.
> >
> > There was some earlier discussion of this on the list. I suspect that the
> > -mno-fused-madd compiler option is completely unnecessary, although I don't
> > know for certain if this is the case.
> >
> > Can any of our numeric gurus confirm if it is safe to just get rid of this
> > compiler option for all platforms? It seems to have no effect that can be
> > detected by the unit tests.
> >
> > Earlier discussion was here:
> > ?http://lists.squeakfoundation.org/pipermail/vm-dev/2011-January/006672.html
> >
> > Dave
> >
> > p.s. welcome to the vm-dev list!
>
> Removing that option did the trick, however the vm does not run. I
> suspect it is something trivial. I tested in place, without make
> install. With my build directory (work) the current directory I enter
> the command
>
> $ ./squeak /home/gary/Squeak4.2-10966.image
>
> and get this undefined symbol error:
>
> /usr/home/gary/OpenSlate/Squeak/Squeak-4.4.7.2357-src/work/vm-display-X11/so.vm-display-X11:
> Undefined symbol "error"
> could not find display driver vm-display-X11; either:
>   - check that /usr/local/lib/squeak/4.4.7-2357/vm-display-X11.so exists, or
>   - use the '-plugins <path>' option to tell me where it is, or
>   - remove DISPLAY from your environment.
> Abort trap (core dumped)
>
> Note that "check that
> /usr/local/lib/squeak/4.4.7-2357/vm-display-X11.so exists" is false.
> It should be looking for
> /usr/home/gary/OpenSlate/Squeak/Squeak-4.4.7.2357-src/work/vm-display-X11/so.vm-display-X1l.
> Do I need to modify the squeak shell script, or just run make install?
>
>
> --
> Gary Dunn
> Honolulu

> On Thu, Mar 10, 2011 at 09:04:18PM -0800, Gary Dunn wrote:
>> On Thu, Mar 10, 2011 at 12:12 PM, David T. Lewis <[hidden email]> wrote:
>> >
>> > On Thu, Mar 10, 2011 at 09:27:23AM -0800, Gary Dunn wrote:
>> >>
>> >> I am setting up to try to add DBus support to the vm. Decided it was
>> >> time to practice building an unmodified vm. Downloaded sources for
>> >> 4.4.7.2357. I have been running Squeak with 3.11.3.2135 and that seems
>> >> to work fine.
>> >>
>> >> make stopped with
>> >>
>> >> [ 10%] Building C object
>> >> FloatMathPlugin/CMakeFiles/FloatMathPlugin.dir/usr/home/gary/OpenSlate/Squeak/Squeak-4.4.7.2357-src/unix/src/vm/intplugins/FloatMathPlugin/FloatMathPlugin.c.o
>> >> cc1: error: unrecognized command line option "-mno-fused-madd"
>> >> *** Error code 1
>> >>
>> >> I was able to make squeak
>> >>
>> >> This is a slightly old version of FreeBSD:
>> >>
>> >> $ uname -a
>> >> FreeBSD slate01 8.0-RELEASE-p2 FreeBSD 8.0-RELEASE-p2 #0: Thu Jan 28
>> >> 06:16:14 HST 2010 ? ? gary@slate01:/usr/obj/usr/src/sys/GENERIC ?i386
>> >
>> > Hi Gary,
>> >
>> > Apparently the -mno-fused-madd option is supported only on newer gcc compilers.
>> > As a workaround, look at platforms/unix/plugins/FloatMathPlugin/config.cmake
>> > and edit it out. Clean out your build directory, then run configure and you
>> > should be back in business. This will not effect the behavior of your plugin,
>> > at least not in any way that will be detected by the test suite.
>> >
>> > There was some earlier discussion of this on the list. I suspect that the
>> > -mno-fused-madd compiler option is completely unnecessary, although I don't
>> > know for certain if this is the case.
>> >
>> > Can any of our numeric gurus confirm if it is safe to just get rid of this
>> > compiler option for all platforms? It seems to have no effect that can be
>> > detected by the unit tests.
>> >
>> > Earlier discussion was here:
>> > ?http://lists.squeakfoundation.org/pipermail/vm-dev/2011-January/006672.html
>> >
>> > Dave
>> >
>> > p.s. welcome to the vm-dev list!
>>
>> Removing that option did the trick, however the vm does not run. I
>> suspect it is something trivial. I tested in place, without make
>> install. With my build directory (work) the current directory I enter
>> the command
>>
>> $ ./squeak /home/gary/Squeak4.2-10966.image
>>
>> and get this undefined symbol error:
>>
>> /usr/home/gary/OpenSlate/Squeak/Squeak-4.4.7.2357-src/work/vm-display-X11/so.vm-display-X11:
>> Undefined symbol "error"
>> could not find display driver vm-display-X11; either:
>>   - check that /usr/local/lib/squeak/4.4.7-2357/vm-display-X11.so exists, or
>>   - use the '-plugins <path>' option to tell me where it is, or
>>   - remove DISPLAY from your environment.
>> Abort trap (core dumped)
>>
>> Note that "check that
>> /usr/local/lib/squeak/4.4.7-2357/vm-display-X11.so exists" is false.
>> It should be looking for
>> /usr/home/gary/OpenSlate/Squeak/Squeak-4.4.7.2357-src/work/vm-display-X11/so.vm-display-X1l.
>> Do I need to modify the squeak shell script, or just run make install?
>>
>>
>> --
>> Gary Dunn
>> Honolulu
>
> Yes, you need to run make install in order to put the various shared
> libraries into a place where the VM expects to find them. That said,
> the undefined symbol reference and the core dump indicate other problems.
>
> WRT the undefined symbol "error", take a look at the interp.c file (this
> is source generated from VMMaker) and see how the error() function is
> redefined. Possibly for FreeBSD you will need something similar for
> sqUnixX11.c. If so, you can probably handle it by putting a #define in
> the config.h file, or just hack sqUnixX11.c for the time being.
>
> Dave