kasuh@kasuh-HP-ProBook-4421s:~/stm/Developer-Package/stm32mp1-openstlinux-20-02-19/sources/arm-ostl-linux-gnueabi/linux-stm32mp-4.19-r0/linux-4.19.94$ make ARCH=arm uImage vmlinux dtbs LOADADDR=0xC2000040 O="$PWD/../build"

make[1]: Entering directory '/home/kasuh/stm/Developer-Package/stm32mp1-openstlinux-20-02-19/sources/arm-ostl-linux-gnueabi/linux-stm32mp-4.19-r0/build'
  Using /home/kasuh/stm/Developer-Package/stm32mp1-openstlinux-20-02-19/sources/arm-ostl-linux-gnueabi/linux-stm32mp-4.19-r0/linux-4.19.94 as source for kernel
  GEN     ./Makefile
  CALL    /home/kasuh/stm/Developer-Package/stm32mp1-openstlinux-20-02-19/sources/arm-ostl-linux-gnueabi/linux-stm32mp-4.19-r0/linux-4.19.94/scripts/checksyscalls.sh
  HOSTCC  scripts/extract-cert
/home/kasuh/stm/Developer-Package/stm32mp1-openstlinux-20-02-19/sources/arm-ostl-linux-gnueabi/linux-stm32mp-4.19-r0/linux-4.19.94/scripts/extract-cert.c:21:10: fatal error: openssl/bio.h: No such file or directory
 #include
          ^~~~~~~~~~~~~~~
compilation terminated.
scripts/Makefile.host:90: recipe for target 'scripts/extract-cert' failed
make[2]: *** [scripts/extract-cert] Error 1
/home/kasuh/stm/Developer-Package/stm32mp1-openstlinux-20-02-19/sources/arm-ostl-linux-gnueabi/linux-stm32mp-4.19-r0/linux-4.19.94/Makefile:1067: recipe for target 'scripts' failed
make[1]: *** [scripts] Error 2
make[1]: Leaving directory '/home/kasuh/stm/Developer-Package/stm32mp1-openstlinux-20-02-19/sources/arm-ostl-linux-gnueabi/linux-stm32mp-4.19-r0/build'
Makefile:146: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2