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60 lines
2.8 KiB
CMake
60 lines
2.8 KiB
CMake
# Function to check the toolchain used the expected version
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# of crosstool, and warn otherwise
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set(ctng_version_warning "Check Getting Started documentation or proceed at own risk.\n")
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function(gcc_version_check expected_gcc_version)
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if(NOT "${CMAKE_C_COMPILER_VERSION}" STREQUAL "${expected_gcc_version}")
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message(WARNING "Toolchain ${CMAKE_C_COMPILER} version ${CMAKE_C_COMPILER_VERSION} "
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"is not the supported version ${expected_gcc_version}. ${ctng_version_warning}")
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endif()
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endfunction()
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function(crosstool_version_check expected_ctng_version)
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execute_process(
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COMMAND ${CMAKE_C_COMPILER} --version
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OUTPUT_VARIABLE toolchain_version
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ERROR_QUIET)
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string(REGEX REPLACE ".*(crosstool-NG ([^\)]+)).*\n" "\\2" ctng_version "${toolchain_version}")
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# We use FIND to match version instead of STREQUAL because some toolchains are built
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# with longer git hash strings than others. This will match any version which starts with
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# the expected version string.
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string(FIND "${ctng_version}" "${expected_ctng_version}" found_expected_version)
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if(NOT ctng_version)
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message(WARNING "Toolchain ${CMAKE_C_COMPILER} does not appear to be built with crosstool-ng. "
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"${ctng_version_warning}")
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elseif(found_expected_version EQUAL -1)
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set(wrong_compiler_msg "\nToolchain: ${CMAKE_C_COMPILER}, "
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"crosstool-ng version ${ctng_version} doesn't match supported version ${expected_ctng_version}"
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"\nPlease try to run 'idf.py fullclean' to solve it quickly.\n")
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set(IDF_MAINTAINER $ENV{IDF_MAINTAINER})
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if(IDF_MAINTAINER)
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message(WARNING ${wrong_compiler_msg} ${ctng_version_warning})
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else()
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set(ctng_version_error "Check Getting Started documentation if the error continues."
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"\nYou can override this error and proceed with build by defining the IDF_MAINTAINER environment variable.\n")
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message(FATAL_ERROR ${wrong_compiler_msg} ${ctng_version_error})
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endif()
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endif()
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endfunction()
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function(get_expected_ctng_version _toolchain_ver _gcc_ver)
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idf_build_get_property(idf_path IDF_PATH)
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file(STRINGS ${idf_path}/tools/toolchain_versions.mk config_contents)
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foreach(name_and_value ${config_contents})
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# Strip spaces
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string(REPLACE " " "" name_and_value ${name_and_value})
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# Find variable name
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string(REGEX MATCH "^[^=]+" name ${name_and_value})
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# Find the value
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string(REPLACE "${name}=" "" value ${name_and_value})
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# Getting values
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if("${name}" STREQUAL "SUPPORTED_TOOLCHAIN_COMMIT_DESC")
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set("${_toolchain_ver}" "${value}" PARENT_SCOPE)
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elseif("${name}" STREQUAL "SUPPORTED_TOOLCHAIN_GCC_VERSIONS")
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set(${_gcc_ver} "${value}" PARENT_SCOPE)
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endif()
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endforeach()
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endfunction()
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