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cmake: Add toolchain version check

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Angus Gratton 2018-01-15 10:25:35 +11:00 committed by Angus Gratton
parent 99a2359c5c
commit 35f521afb6
2 changed files with 39 additions and 0 deletions
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8
idf.cmake
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@ -32,6 +32,13 @@ include(GetGitRevisionDescription)
include(utilities)
include(components)
include(kconfig)
include(crosstool_version_check)
#
# Warn if the toolchain version doesn't match
#
gcc_version_check("5.2.0")
crosstool_version_check("1.22.0-80-g6c4433a")
#
# Configure optional variables
@ -76,3 +83,4 @@ finish_component_registration()
if(NOT BOOTLOADER_BUILD)
include(bootloader_subproject)
endif()

31
tools/cmake/crosstool_version_check.cmake Normal file
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@ -0,0 +1,31 @@
# 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()
endfunction()
function(crosstool_version_check expected_ctng_version)
execute_process(
COMMAND ${CMAKE_C_COMPILER} -v
ERROR_VARIABLE toolchain_stderr
OUTPUT_QUIET)
string(REGEX MATCH "crosstool-ng-[0-9a-g\\.-]+" ctng_version "${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)
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()