54 lines
1.5 KiB
CMake
54 lines
1.5 KiB
CMake
include(${ZEPHYR_BASE}/cmake/host-tools-zephyr.cmake)
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# Search for the must-have program dtc on PATH and in
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# TOOLCHAIN_HOME. Usually DTC will be provided by an SDK, but for
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# SDK-less projects like gnuarmemb, it is up to the user to install
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# dtc.
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find_program(
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DTC
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dtc
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)
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if(${DTC} STREQUAL DTC-NOTFOUND)
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message(FATAL_ERROR "Unable to find dtc")
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endif()
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# Parse the 'dtc --version' and make sure it is at least MIN_DTC_VERSION
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set(MIN_DTC_VERSION 1.4.6)
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execute_process(
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COMMAND
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${DTC} --version
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OUTPUT_VARIABLE dtc_version_output
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)
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string(REGEX MATCH "Version: DTC ([0-9]+\.[0-9]+.[0-9]+).*" out_var ${dtc_version_output})
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if(${CMAKE_MATCH_1} VERSION_LESS ${MIN_DTC_VERSION})
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assert(0 "The detected dtc version is unsupported. \n\
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The version was found to be ${CMAKE_MATCH_1} \n\
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But the minimum supported version is ${MIN_DTC_VERSION} \n\
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See https://docs.zephyrproject.org/latest/getting_started/getting_started.html \n\
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for how to use the SDK's dtc alongside a custom toolchain."
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)
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endif()
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find_program(
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GPERF
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gperf
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)
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if(${GPERF} STREQUAL GPERF-NOTFOUND)
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message(FATAL_ERROR "Unable to find gperf")
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endif()
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# openocd is an optional dependency
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find_program(
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OPENOCD
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openocd
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)
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# bossac is an optional dependency
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find_program(
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BOSSAC
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bossac
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)
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# TODO: Should we instead find one qemu binary for each ARCH?
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# TODO: This will probably need to be re-organized when there exists more than one SDK.
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