zephyr/cmake/toolchain-zephyr.cmake

44 lines
1.4 KiB
CMake

# NB: Depends on host-tools.cmake having been executed already
# Ensures toolchain-gcc.cmake is run
set(COMPILER gcc)
# TODO fetch from environment
# These defaults work for some targets like RISC-V
set(CROSS_COMPILE_TARGET ${ARCH}-${TOOLCHAIN_VENDOR}-elf)
set(SYSROOT_TARGET ${ARCH}-${TOOLCHAIN_VENDOR}-elf)
if("${ARCH}" STREQUAL "arm")
set(CROSS_COMPILE_TARGET arm-${TOOLCHAIN_VENDOR}-eabi)
set(SYSROOT_TARGET armv5-${TOOLCHAIN_VENDOR}-eabi)
elseif(CONFIG_TOOLCHAIN_VARIANT STREQUAL "iamcu")
set(CROSS_COMPILE_TARGET i586-${TOOLCHAIN_VENDOR}-elfiamcu)
set(SYSROOT_TARGET iamcu-${TOOLCHAIN_VENDOR}-elfiamcu)
elseif("${ARCH}" STREQUAL "x86")
set(CROSS_COMPILE_TARGET i586-${TOOLCHAIN_VENDOR}-elf)
set(SYSROOT_TARGET i586-${TOOLCHAIN_VENDOR}-elf)
elseif("${ARCH}" STREQUAL "xtensa")
set(SYSROOT_DIR ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/${SYSROOT_TARGET}/usr)
set(TOOLCHAIN_INCLUDES
${SYSROOT_DIR}/include/arch/include
${SYSROOT_DIR}/include
)
LIST(APPEND TOOLCHAIN_LIBS hal)
LIST(APPEND LIB_INCLUDE_DIR -L${SYSROOT_DIR}/lib)
elseif("${ARCH}" STREQUAL "arc")
# https://github.com/zephyrproject-rtos/zephyr/issues/3797
# -Os is broken on arc
set(OPTIMIZE_FOR_SIZE_FLAG "-O2")
endif()
set(CROSS_COMPILE ${TOOLCHAIN_HOME}/usr/bin/${CROSS_COMPILE_TARGET}/${CROSS_COMPILE_TARGET}-)
set(SYSROOT_DIR ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/${SYSROOT_TARGET}/usr)
list(APPEND TOOLCHAIN_C_FLAGS --sysroot ${SYSROOT_DIR})