how could i prevent this error message? what is wrong?
audio1:/opt/download/pd-0.34-4/src# make cc -DPD -DUNIX -Wall -W -Wstrict-prototypes -Werror -Wno-unused -Wno-parentheses -Wno-switch -O6 -funroll-loops -fomit-frame-pointer -DINSTALL_PREFIX="/usr/local" -I. -c -o ../obj/t_main.o t_main.c t_main.c:16: tk.h: No such file or directory make: *** [t_main.o] Error 1
the tk.h file is in /usr/include/tcl8.3/tk.h