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