> gcc -c -g -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes > -Wmissing-prototypes -fno-common -DHAVE_CONFIG_H -I. -Iada > -I../../gcc/gcc -I../../gcc/gcc/ada -I../../gcc/gcc/../include > -I../../gcc/gcc/../libcpp/include -I../../gcc/gcc/../libdecnumber > -I../libdecnumber ../../gcc/gcc/ada/env.c -o ada/env.o > ../../gcc/gcc/ada/env.c: In function `__gnat_clearenv': > ../../gcc/gcc/ada/env.c:312: warning: implicit declaration of function > `clearenv'
It likely means that clearenv is not available in cygwin and you need to add proper #ifdefs in env.c to avoid using it. Arno
