esp-idf/tools/cmake/crosstool_version_check.cmake

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1.6 KiB
CMake
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2018-01-14 23:25:35 +00:00
# Function to check the toolchain used the expected version
# of crosstool, and warn otherwise
set(ctng_version_warning "Check Getting Started documentation or proceed at own risk.")
function(gcc_version_check expected_gcc_version)
if(NOT "${CMAKE_C_COMPILER_VERSION}" STREQUAL "${expected_gcc_version}")
message(WARNING "Xtensa toolchain ${CMAKE_C_COMPILER} version ${CMAKE_C_COMPILER_VERSION} "
"is not the supported version ${expected_gcc_version}. ${ctng_version_warning}")
endif()
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endfunction()
function(crosstool_version_check expected_ctng_version)
execute_process(
COMMAND ${CMAKE_C_COMPILER} -v
ERROR_VARIABLE toolchain_stderr
OUTPUT_QUIET)
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string(REGEX MATCH "crosstool-ng-[0-9a-g\\.-]+" ctng_version "${toolchain_stderr}")
string(REPLACE "crosstool-ng-" "" ctng_version "${ctng_version}")
# We use FIND to match version instead of STREQUAL because some toolchains are built
# with longer git hash strings than others. This will match any version which starts with
# the expected version string.
string(FIND "${ctng_version}" "${expected_ctng_version}" found_expected_version)
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if(NOT ctng_version)
message(WARNING "Xtensa toolchain ${CMAKE_C_COMPILER} does not appear to be built with crosstool-ng. "
"${ctng_version_warning}")
elseif(found_expected_version EQUAL -1)
message(WARNING "Xtensa toolchain ${CMAKE_C_COMPILER} crosstool-ng version ${ctng_version} "
"doesn't match supported version ${expected_ctng_version}. ${ctng_version_warning}")
endif()
endfunction()