Build failure on os x non-virtual thunk

Howdy all,
    So I am trying, so far unsuccessfully, to build mozilla 1.7.1 on os x
10.3.  The build always fails with the error:
rm -f libgfx_mac.dylib
/usr/bin/g++  -frtti -fexceptions -Wall -Wconversion -Wpointer-arith
-Wcast-align -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy
-Wno-non-virtual-dtor -Wno-long-long -O3 -pipe -fomit-frame-pointer
-faltivec -mcpu=970 -mtune=970 -mmultiple -mpowerpc-gpopt -fpascal-strings
-no-cpp-precomp -fno-common -fshort-wchar -I/Developer/Headers/FlatCarbon
-pipe  -DNDEBUG -DTRIMMED -O3 -I/Developer/Headers/FlatCarbon -fPIC -arch
ppc -o libgfx_mac.dylib  nsATSUIUtils.o nsDeviceContextMac.o
nsDeviceContextSpecFactoryM.o nsDeviceContextSpecX.o nsDrawingSurfaceMac.o
nsFontMetricsMac.o nsGfxFactoryMac.o nsGraphicState.o nsImageMac.o
nsRegionMac.o nsRenderingContextMac.o nsMacUnicodeFontInfo.o
nsUnicodeFontMappingMac.o nsUnicodeMappingUtil.o nsUnicodeRenderingToolkit.o
nsScreenMac.o nsScreenManagerMac.o nsPrintOptionsX.o nsPrintSettingsX.o
nsPrintSessionX.o nsFontUtils.o nsNativeThemeMac.o  nsRenderingContextImpl.o
gfxImageFrame.o nsNativeTheme.o     -L../../../dist/bin -L../../../dist/lib
-lmozutil_s -lgkgfx -framework Carbon -L../../../dist/bin -lxpcom
-L../../../dist/bin -L/Users/hal9000/Desktop/mozilla/dist/lib -lplds4 -lplc4
-lnspr4 -lpthread  ../../../dist/lib/libunicharutil_s.a
-Wl,-exported_symbols_list
-Wl,../../../build/unix/gnu-ld-scripts/components-export-list -bundle -lm
ld: warning multiple definitions of symbol _PR_CeilingLog2
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of
_PR_CeilingLog2
../../../dist/bin/libnspr4.dylib(prlog2.o) definition of _PR_CeilingLog2
ld: warning multiple definitions of symbol _PR_Calloc
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of _PR_Calloc
../../../dist/bin/libnspr4.dylib(prmem.o) definition of _PR_Calloc
ld: warning multiple definitions of symbol _PR_Malloc
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of _PR_Malloc
../../../dist/bin/libnspr4.dylib(prmem.o) definition of _PR_Malloc
ld: warning multiple definitions of symbol _PR_Free
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of _PR_Free
../../../dist/bin/libnspr4.dylib(prmem.o) definition of _PR_Free
ld: warning multiple definitions of symbol _PR_Realloc
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of _PR_Realloc
../../../dist/bin/libnspr4.dylib(prmem.o) definition of _PR_Realloc
ld: warning multiple definitions of symbol _PR_Unlock
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of _PR_Unlock
../../../dist/bin/libnspr4.dylib(ptsynch.o) definition of _PR_Unlock
ld: warning multiple definitions of symbol _PR_NewLock
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of _PR_NewLock
../../../dist/bin/libnspr4.dylib(ptsynch.o) definition of _PR_NewLock
ld: warning multiple definitions of symbol _PR_Lock
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of _PR_Lock
../../../dist/bin/libnspr4.dylib(ptsynch.o) definition of _PR_Lock
ld: warning multiple definitions of symbol _PR_DestroyLock
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of
_PR_DestroyLock
../../../dist/bin/libnspr4.dylib(ptsynch.o) definition of _PR_DestroyLock
ld: warning multiple definitions of symbol _PR_GetOSError
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of
_PR_GetOSError
../../../dist/bin/libnspr4.dylib(prerror.o) definition of _PR_GetOSError
ld: warning multiple definitions of symbol _PR_GetError
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of _PR_GetError
../../../dist/bin/libnspr4.dylib(prerror.o) definition of _PR_GetError
ld: warning multiple definitions of symbol _PR_SetError
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(nsprPortX.o) definition of _PR_SetError
../../../dist/bin/libnspr4.dylib(prerror.o) definition of _PR_SetError
ld: warning multiple definitions of symbol _PL_ArenaAllocate
../../../dist/bin/libplds4.dylib(plarena.o) definition of _PL_ArenaAllocate
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(plarena.o) definition of
_PL_ArenaAllocate
ld: warning multiple definitions of symbol _PL_InitArenaPool
../../../dist/bin/libplds4.dylib(plarena.o) definition of _PL_InitArenaPool
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(plarena.o) definition of
_PL_InitArenaPool
ld: warning multiple definitions of symbol _PL_FreeArenaPool
../../../dist/bin/libplds4.dylib(plarena.o) definition of _PL_FreeArenaPool
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(plarena.o) definition of
_PL_FreeArenaPool
ld: warning multiple definitions of symbol _PL_FinishArenaPool
../../../dist/bin/libplds4.dylib(plarena.o) definition of
_PL_FinishArenaPool
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(plarena.o) definition of
_PL_FinishArenaPool
ld: warning multiple definitions of symbol _PL_ArenaRelease
../../../dist/bin/libplds4.dylib(plarena.o) definition of _PL_ArenaRelease
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(plarena.o) definition of
_PL_ArenaRelease
ld: warning multiple definitions of symbol _PL_ArenaGrow
../../../dist/bin/libplds4.dylib(plarena.o) definition of _PL_ArenaGrow
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(plarena.o) definition of _PL_ArenaGrow
ld: warning multiple definitions of symbol _PL_ArenaFinish
../../../dist/bin/libplds4.dylib(plarena.o) definition of _PL_ArenaFinish
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(plarena.o) definition of
_PL_ArenaFinish
ld: warning multiple definitions of symbol _PL_CompactArenaPool
../../../dist/bin/libplds4.dylib(plarena.o) definition of
_PL_CompactArenaPool
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CFNe
twork.framework/Versions/A/CFNetwork(plarena.o) definition of
_PL_CompactArenaPool
ld: Undefined symbols:
non-virtual thunk [nv:-20] to DeviceContextImpl::QueryInterface(nsID const&,
void**)
non-virtual thunk [nv:-20] to DeviceContextImpl::AddRef()
non-virtual thunk [nv:-20] to DeviceContextImpl::Observe(nsISupports*, char
const*, unsigned short const*)
non-virtual thunk [nv:-20] to DeviceContextImpl::Release()
non-virtual thunk [nv:-24] to DeviceContextImpl::QueryInterface(nsID const&,
void**)
non-virtual thunk [nv:-24] to DeviceContextImpl::AddRef()
non-virtual thunk [nv:-24] to DeviceContextImpl::Release()
non-virtual thunk [nv:-4] to nsPrintOptions::QueryInterface(nsID const&,
void**)
non-virtual thunk [nv:-4] to
nsPrintOptions::GetNewPrintSettings(nsIPrintSettings**)
non-virtual thunk [nv:-4] to nsPrintOptions::GetDefaultPrinterName(unsigned
short**)
non-virtual thunk [nv:-4] to
nsPrintOptions::GetGlobalPrintSettings(nsIPrintSettings**)
non-virtual thunk [nv:-4] to
nsPrintOptions::SavePrintSettingsToPrefs(nsIPrintSettings*, int, unsigned)
non-virtual thunk [nv:-4] to
nsPrintOptions::InitPrintSettingsFromPrefs(nsIPrintSettings*, int, unsigned)
non-virtual thunk [nv:-4] to
nsPrintOptions::InitPrintSettingsFromPrinter(unsigned short const*,
nsIPrintSettings*)
non-virtual thunk [nv:-4] to nsPrintOptions::AddRef()
non-virtual thunk [nv:-4] to nsPrintOptions::Release()
make[5]: *** [libgfx_mac.dylib] Error 1
make[4]: *** [libs] Error 2
make[3]: *** [libs] Error 2
make[2]: *** [tier_9] Error 2
make[1]: *** [default] Error 2
make: *** [build] Error 2

My .mozconfig looks like
MOZILLA_OFFICIAL=1
mk_add_options MOZILLA_OFFICIAL=1
BUILD_OFFICIAL=1
mk_add_options BUILD_OFFICIAL=1

# make it faster on two processors
#mk_add_options MOZ_MAKE_FLAGS=-j3

ac_add_options --disable-installer
ac_add_options --enable-pthreads
ac_add_options --disable-tests
ac_add_options --disable-debug
ac_add_options --disable-dtd-debug
ac_add_options --enable-optimize=-O3
ac_add_options --enable-macos-target=10.3
ac_add_options --enable-default-toolkit=cocoa
ac_add_options --enable-cpp-rtti
ac_add_options --with-system-zlib
ac_add_options --enable-cpp-exceptions
ac_add_options --disable-accessibility
ac_add_options --enable-crypto
ac_add_options --enable-extensions=all
ac_add_options --enable-strip
ac_add_options --enable-strip-libs

The machine is a g5 and I am using the xcodetools / gcc compilier

    Thank you newsgroup, thank you for always being there for me in my hour
of need.
    Fred