gcc -g -O2 -Wall -I. -I../include -I../include -c
icp_v3.c -o icp_v3.o
gcc: Internal compiler error: program cc1 got fatal signal
If you type 'make' once more it compiles fine!
OpenBSD/Sparc builds this with no difficulty.
worked OK here on two sparcs, with both egcs-1.0.2 & egcs-1.0.3.
You may want to check your compiler.