================
@@ -368,14 +368,22 @@ macro(construct_compiler_rt_default_triple)
"Default triple for which compiler-rt runtimes will be built.")
endif()
- if ("${CMAKE_C_COMPILER_ID}" MATCHES "Clang")
+ if(CMAKE_C_COMPILER_ID MATCHES "Clang")
set(option_prefix "")
if (CMAKE_C_SIMULATE_ID MATCHES "MSVC")
set(option_prefix "/clang:")
endif()
- execute_process(COMMAND ${CMAKE_C_COMPILER}
${option_prefix}--target=${COMPILER_RT_DEFAULT_TARGET_TRIPLE}
${option_prefix}-print-target-triple
- OUTPUT_VARIABLE COMPILER_RT_DEFAULT_TARGET_TRIPLE
- OUTPUT_STRIP_TRAILING_WHITESPACE)
+ set(print_target_triple ${CMAKE_C_COMPILER}
${option_prefix}--target=${COMPILER_RT_DEFAULT_TARGET_TRIPLE}
${option_prefix}-print-target-triple)
+ execute_process(COMMAND ${print_target_triple}
+ RESULT_VARIABLE result
+ OUTPUT_VARIABLE output
+ OUTPUT_STRIP_TRAILING_WHITESPACE)
+ if(result EQUAL 0)
+ set(COMPILER_RT_DEFAULT_TARGET_TRIPLE ${output})
+ else()
+ string(REPLACE ";" " " print_target_triple "${print_target_triple}")
+ message(WARNING "Failed to execute `${print_target_triple}` to normalize
target triple.")
----------------
petrhosek wrote:
Currently we ignore any errors so my preference would be to start with a
warning and change it to an error in a follow up change after we verify there
are no issues.
https://github.com/llvm/llvm-project/pull/89425
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