Just one error left:
( cd /usr/src/tmp/7.2/src &&\ bison -y -d -v language.yacc &&\ sed -e 's/YY_COUNT_TYPE/unsigned int/' <y.tab.c >language.c &&\ mv y.tab.h language.h_src && rm y.tab.c) language.yacc:2848.3-2856.14: invalid value: $3
the hack mentioned in the Grubba's mail doesn't work in this case.