AMD64 support?

I have been away from smlnj for a long time. I tried to install 110.65 
on a linux AMD64 system it failed.

---------------------------------------------------------------------
./config/install.sh: Compiling the run-time system.
(make RUNTIME="run.x86-linux" VERSION="v-x86-linux" AS="as --32" CC="gcc 
-ansi" CFLAGS="-O2 -m32" CPP="gcc -x assembler-with-cpp -E -P" 
TARGET=X86 DEFS="  -DHOST_X86 -DTARGET_X86 -DOPSYS_UNIX -DOPSYS_LINUX 
-D_GNU_SOURCE -DGNU_ASSEMBLER -DDLOPEN" XOBJS=""
XLIBS="../c-libs/dl/libunix-dynload.a" LD_LIBS="-ldl" run.x86-linux)

[..snip..]

make[2]: Leaving directory 
`/usr/local/src/sml/smlnj/110.65/base/runtime/objs'
echo "v-x86-linux" > v-x86-linux
gcc -ansi -c -O2 -m32 -I../config -I../objs -I../include 
../config/gen-common.c
gcc -ansi -O2 -m32 -DHOST_X86 -DTARGET_X86 -DOPSYS_UNIX -DOPSYS_LINUX 
-D_GNU_SOURCE -DGNU_ASSEMBLER -DDLOPEN -I../config -I../objs 
-I../include -o gen-sizes ../config/gen-sizes.c gen-common.o
/usr/bin/ld: skipping incompatible /usr/bin/../lib/libc.so when 
searching for -lc
/usr/bin/ld: skipping incompatible /usr/bin/../lib/libc.a when searching 
for -lc
/usr/bin/ld: skipping incompatible /usr/lib/libc.so when searching for -lc
/usr/bin/ld: skipping incompatible /usr/lib/libc.a when searching for -lc
/usr/bin/ld: cannot find -lc
collect2: ld returned 1 exit status
make[1]: *** [gen-sizes] Error 1
make[1]: Leaving directory 
`/usr/local/src/sml/smlnj/110.65/base/runtime/objs'
make: *** [all] Error 2
./config/install.sh: !!! Run-time system build failed for some reason.
--------------------------------------------------------------------------


I saw the support for the AMD64 via MLRISC which is why I thought that 
there was a chance that this might work on a 64-bit system, although
   boot.x86-unix.tgz
seemed to be 32-bit only.

Is my inference that there is no support for 64 bits correct? If it 
matters, I am trying under a debian etch amd64 system.

A E Lawrence

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