On Tue, 9 Aug 2011, Sebastian Kuzminsky wrote:
> On 08/09/2011 12:02 PM, [email protected] wrote:
>> I am trying to build emc-sim on Fedora 13 and failing
> ...
>> Compiling hal/utils/scope.c
>> Compiling hal/utils/scope_horiz.c
>> Compiling hal/utils/scope_vert.c
>> Compiling hal/utils/scope_trig.c
>> Compiling hal/utils/scope_disp.c
>> Compiling hal/utils/scope_files.c
>> Linking halscope
>> /usr/bin/ld: objects/hal/utils/scope_disp.o: undefined reference to symbol
>> 'hypot@@GLIBC_2.0'
>> /usr/bin/ld: note: 'hypot@@GLIBC_2.0' is defined in DSO /lib/libm.so.6 so
>> try adding it to the linker command line
>> /lib/libm.so.6: could not read symbols: Invalid operation
>> collect2: ld returned 1 exit status
>> make: *** [../bin/halscope] Error 1
>
> I've never tried building emc2 on Redhat, but I see that scope_disp.c
> calls hypot() and that its Submakefile does not explicitly link against
> libm. That seems like a bug.
>
> halscope links against GTK_LIBS, which includes -lm on our usual distros
> (Ubuntu Hardy and Lucid, and various Debian flavours).
>
> Look in your src/config.log, what is the value of GTK_LIBS?
GTK_LIBS='-pthread -lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lgio-2.0
-lpangoft2-1.0 -lgdk_pixbuf-2.0 -lpangocairo-1.0 -lcairo -lpango-1.0
-lfreetype -lfontconfig -lgobject-2.0 -lgmodule-2.0 -lgthread-2.0 -lrt
-lglib-2.0 '
> > In src/hal/utils/Submakefile, in the ../bin/halscope target, on the
> $(CC) line, add "-lm" to the end and see if it builds for you.
Yes that fixed it, but
Linking rs274
gcc -L/home/rray/emc2-dev/lib -Wl,-rpath,/home/rray/emc2-dev/lib -o
../bin/rs274 objects/emc/sai/saicanon.o objects/emc/sai/driver.o
objects/emc/rs274ngc/tool_parse.o ../lib/librs274.so.0 -Wall -g -I.
-I/home/rray/emc2-dev/src/include -DULAPI -D_GNU_SOURCE -Os
-DLOCALE_DIR=\"/usr/share/locale\" -DPACKAGE=\"emc2\"
/usr/bin/ld: objects/emc/sai/saicanon.o: undefined reference to symbol
'__gxx_personality_v0@@CXXABI_1.3'
/usr/bin/ld: note: '__gxx_personality_v0@@CXXABI_1.3' is defined in DSO
/usr/lib/libstdc++.so.6 so try adding it to the linker command line
/usr/lib/libstdc++.so.6: could not read symbols: Invalid operation
collect2: ld returned 1 exit status
make: *** [../bin/rs274] Error 1
make: Leaving directory `/home/rray/emc2-dev/src'
So in src/emc/sai/Submakefile on CC line I added "-lstdc++" and compile
completed
And I have emc 2.6.0~pre running on Fedora 13
Thanks
Richard
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