@@ -218,10 +218,12 @@
 	fbsd) grep -h "#define	SYS_" $p_headers_syscall | sed 's;^#define	SYS_;;' | sed 's;[\t ]\+; ;' > $gen/calls.tbl;;
 	*) noimpl 'system call table generation';;
 esac
 
-awk -f arch/syscall.awk -v out=s <$gen/calls.tbl >$gen/system_calls.s
-awk -f arch/syscall.awk -v out=h <$gen/calls.tbl >$gen/system_calls.h
+cat $p_headers_syscall $gen/calls.tbl | cpp -P |
+	awk -f arch/syscall.awk -v out=s >$gen/system_calls.s
+cat $p_headers_syscall $gen/calls.tbl | cpp -P |
+	awk -f arch/syscall.awk -v out=h >$gen/system_calls.h
 
 # generate errno tables
 grep -h "#[ 	]*define[ 	]\+E" $p_headers_errno | sed 's;^#[\t ]*define[\t ]\+\(E[A-Z0-9]\+\).*$;k_platform_error_\1 \1;' > $gen/error_names.tbl
 cat $p_headers_errno $gen/error_names.tbl | cpp -P >$gen/error_numbers.tbl