[lwip-users] Error: symbol `...' is already defined

[Chris Hiszpanski]

Hello,

I'm new to LwIP and I'm trying to compile the recommended minimal set of 
files (as listed in contrib\ports\unix\proj\minimal\Makefile) for the 
ARM7TDMI using gcc 3.4.2 from www.codesourcery.com (the ARM Ltd. endorsed 
distribution).

I have finally fixed hundreds of errors the compiler was reporting by 
creating arch/cc.h and similar files with the necessary definitions; 
however, I cannot get around these set of errors:

arm-none-elf-gcc -gdwarf-2 -Wall -march=armv4t -fno-builtin -mcpu=arm7tdmi 
-mlittle-endian -O0 -g -c -Ilwip/src/include -Ilwip/src/include/ipv4 
-Iinclude -I/usr/local/arm-none-elf/include -L/usr/local/arm-none-elf/lib -o 
obj/lwip.o lwip/src/core/mem.c lwip/src/code/memp.c lwip/src/core/netif.c 
lwip/src/core/raw.c lwip/src/core/pbuf.c lwip/src/core/stats.c 
lwip/src/core/netif.c lwip/src/core/sys.c lwip/src/core/tcp.c 
lwip/src/core/tcp_in.c lwip/src/core/tcp_out.c lwip/src/core/udp.c 
lwip/src/core/dhcp.c lwip/src/core/ipv4/icmp.c lwip/src/core/ipv4/ip.c 
lwip/src/core/inet.c lwip/src/core/ipv4/ip_addr.c 
lwip/src/core/ipv4/ip_frag.c lwip/src/netif/etharp.c

c:\\DOCUMEN~1\\CHRISH~1\\LOCALS~1\\Temp/ccwfaaaa.s: Assembler messages:
c:\\DOCUMEN~1\\CHRISH~1\\LOCALS~1\\Temp/ccwfaaaa.s:18843: Error: symbol 
`ip_addr_any' is already defined
c:\\DOCUMEN~1\\CHRISH~1\\LOCALS~1\\Temp/ccwfaaaa.s:18849: Error: symbol 
`ip_addr_broadcast' is already defined
c:\\DOCUMEN~1\\CHRISH~1\\LOCALS~1\\Temp/ccwfaaaa.s:18856: Error: symbol 
`netif_list' is already defined
...
make: *** [lwip.o] Error 1

some of these repeat several times (i.e. different line numbers in 
ccwfaaaa.s but same symbol).

Any ideas?

Cheers,
Chris

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