building with G++ 3.3.3

[Judd]

I'm trying to port OpenInventor freeware over to cygwin and I'm having some
problems with the linkage.  When trying to build the DLL, I'm coming up with
some errors I'm having a hard time trying to get around.

g++ -shared -o libInventor.dll -Wl,--out-implib=libInventor.dll.a \
-Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--whole-archive \
        ./stub.o \
        ./database/src/sb/projectors/SbProjectors.o \
        ./database/src/sb/Sb.o \... (more object files)
 -L/usr/lib -L/usr/X11R6/lib -L../libimage -L../libFL/src -ljpeg.dll -limage
 -lFL -lX11 -lGLU -lGL -liconv -lfreetype

The errors I'm getting are mostly errors where a function is defined in 2
places... but almost all of them (except the first few) are in the SAME
library (libgcc.a).  Does anybody have a solution to this problem?

Here's a sample of some of the build errors:
-------------------------------------
/usr/lib/libcygwin.a(d000027.o)(.text+0x0): multiple definition of
`___eprintf'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_eprintf.o)(.text+0x0): first
defined here

/usr/lib/libcygwin.a(d000085.o)(.text+0x0): multiple definition of
`__alloca'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_chkstk.o)(.text+0x0): first
defined here

/usr/lib/w32api/libuser32.a(dicds00560.o)(.idata$5+0x0): multiple definition
of `__imp__SetWindowContextHelpId@8'

/usr/lib/w32api/libuser32.a(dicds00628.o)(.text+0x0): first defined here

/usr/lib/w32api/libuser32.a(dicds00531.o)(.idata$5+0x0): multiple definition
of `__imp__SetMenuContextHelpId@8'

/usr/lib/w32api/libuser32.a(dicds00627.o)(.text+0x0): first defined here

/usr/lib/w32api/libuser32.a(dicds00337.o)(.idata$5+0x0): multiple definition
of `__imp__GetWindowContextHelpId@4'

/usr/lib/w32api/libuser32.a(dicds00626.o)(.text+0x0): first defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_chkstk.o)(.text+0x0):
multiple definition of `___chkstk'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_chkstk.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_chkstk.o)(.text+0x0):
multiple definition of `__alloca'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_chkstk.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_muldi3.o)(.text+0x0):
multiple definition of `___muldi3'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_muldi3.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_negdi2.o)(.text+0x0):
multiple definition of `___negdi2'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_negdi2.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_lshrdi3.o)(.text+0x0):
multiple definition of `___lshrdi3'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_lshrdi3.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_ashldi3.o)(.text+0x0):
multiple definition of `___ashldi3'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_ashldi3.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_ashrdi3.o)(.text+0x0):
multiple definition of `___ashrdi3'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_ashrdi3.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_ffsdi2.o)(.text+0x0):
multiple definition of `___ffsdi2'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_ffsdi2.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_clz.o)(.rdata+0x0): multiple
definition of `___clz_tab'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_clz.o)(.rdata+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_cmpdi2.o)(.text+0x0):
multiple definition of `___cmpdi2'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_cmpdi2.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_ucmpdi2.o)(.text+0x0):
multiple definition of `___ucmpdi2'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_ucmpdi2.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_floatdidf.o)(.text+0x0):
multiple definition of `___floatdidf'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_floatdidf.o)(.text+0x0):
first defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_floatdisf.o)(.text+0x0):
multiple definition of `___floatdisf'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_floatdisf.o)(.text+0x0):
first defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunsdfsi.o)(.text+0x0):
multiple definition of `___fixunsdfsi'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunsdfsi.o)(.text+0x0):
first defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunssfsi.o)(.text+0x0):
multiple definition of `___fixunssfsi'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunssfsi.o)(.text+0x0):
first defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunsdfdi.o)(.text+0x0):
multiple definition of `___fixunsdfdi'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunsdfdi.o)(.text+0x0):
first defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixdfdi.o)(.text+0x0):
multiple definition of `___fixdfdi'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixdfdi.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunssfdi.o)(.text+0x0):
multiple definition of `___fixunssfdi'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunssfdi.o)(.text+0x0):
first defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixsfdi.o)(.text+0x0):
multiple definition of `___fixsfdi'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixsfdi.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixxfdi.o)(.text+0x0):
multiple definition of `___fixxfdi'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixxfdi.o)(.text+0x0): first
defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunsxfdi.o)(.text+0x0):
multiple definition of `___fixunsxfdi'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunsxfdi.o)(.text+0x0):
first defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_floatdixf.o)(.text+0x0):
multiple definition of `___floatdixf'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_floatdixf.o)(.text+0x0):
first defined here

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunsxfsi.o)(.text+0x0):
multiple definition of `___fixunsxfsi'

/usr/lib/gcc-lib/i686-pc-cygwin/3.3.3/libgcc.a(_fixunsxfsi.o)(.text+0x0):
first defined here

--------------------------------------------------

This goes on and on for another 100 lines or so.  Again, any solutions are
appreciated.






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