tce-load -i compiletc libpci-dev gettext

cd linux-rpi-4.19.81

cd tools/power/cpupower

edit Makefile
DEBUG ?=        false
bindir ?=       /usr/local/bin                                        
sbindir ?=      /usr/local/sbin                                       
mandir ?=       /usr/local/man                                        
includedir ?=   /usr/local/include                                    
ifeq ($(IS_64_BIT), 1)                                                        
libdir ?=       /usr/lib64                                                     
else                                                                           
libdir ?=       /usr/local/lib                                             
endif                                                                      
localedir ?=    /usr/local/share/locale                                    
docdir ?=       /usr/local/share/doc/packages/cpupower                     
confdir ?=      /usr/local/etc/

make CC="gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" [0m 5.73s]
sudo make CC="gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" install