set(CMAKE_SYSTEM_NAME Linux)

set(CMAKE_FIND_ROOT_PATH /pi-root)
set(CMAKE_SYSROOT /pi-root)


# GCC
#set(CMAKE_C_COMPILER /usr/bin/arm-linux-gnueabihf-gcc)
#set(CMAKE_CXX_COMPILER /usr/bin/arm-linux-gnueabihf-g++)
#set(CMAKE_C_FLAGS "-Wno-psabi -mtune=cortex-a7 -mfloat-abi=hard -fopenmp")
#set(CMAKE_CXX_FLAGS "-Wno-psabi -mtune=cortex-a7 -mfloat-abi=hard -fopenmp")

# Pi1: -mtune=arm1176jzf-s  Pi2: -mtune=cortex-a7  Pi3: -mtune=cortex-a53

# Clang
set(CMAKE_C_COMPILER /usr/bin/clang-11)
set(CMAKE_CXX_COMPILER /usr/bin/clang++-11)
set(CMAKE_LINKER /usr/bin/arm-linux-gnueabihf-ld)
set(CMAKE_C_FLAGS "-target arm-linux-gnueabihf -mfloat-abi=hard -mcpu=cortex-a7")
set(CMAKE_CXX_FLAGS "-target arm-linux-gnueabihf -mfloat-abi=hard -mcpu=cortex-a7")


set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)

set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)