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c5e4fed021
Change some files which have lines whose indentation is not a multiple of the 4 spaces specified in the editorconfig file. Some of these changes are fixes or clear improvements (e.g. in Rust macros which rustfmt can't format properly). Other changes don't clearly improve the code style, and in some cases it might actually get worse. The goal is to eventually be able to use our editorconfig for automated style checks, but there are a lot of cases where conforming to the limited editorconfig style spec does not make sense, so I'm not sure how useful such automated checks can be. Closes #12408
88 lines
3.0 KiB
CMake
88 lines
3.0 KiB
CMake
#[=======================================================================[.rst:
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Imported from Corrosion https://github.com/corrosion-rs/corrosion/
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Copyright (c) 2018 Andrew Gaspar
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Licensed under the MIT license
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However this is absolutely gutted and reduced to the bare minimum.
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#]=======================================================================]
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include(FindPackageHandleStandardArgs)
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cmake_minimum_required(VERSION 3.12)
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# List of user variables that will override any toolchain-provided setting
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set(_Rust_USER_VARS Rust_COMPILER Rust_CARGO Rust_CARGO_TARGET)
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foreach(_VAR ${_Rust_USER_VARS})
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if (DEFINED "${_VAR}")
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set(${_VAR}_CACHED "${${_VAR}}" CACHE INTERNAL "Internal cache of ${_VAR}")
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else()
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unset(${_VAR}_CACHED CACHE)
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endif()
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endforeach()
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if (NOT DEFINED Rust_CARGO_CACHED)
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find_program(Rust_CARGO_CACHED cargo PATHS "$ENV{HOME}/.cargo/bin")
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endif()
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if (NOT EXISTS "${Rust_CARGO_CACHED}")
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message(FATAL_ERROR "The cargo executable ${Rust_CARGO_CACHED} was not found. "
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"Consider setting `Rust_CARGO_CACHED` to the absolute path of `cargo`."
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)
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endif()
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if (NOT DEFINED Rust_COMPILER_CACHED)
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find_program(Rust_COMPILER_CACHED rustc PATHS "$ENV{HOME}/.cargo/bin")
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endif()
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if (NOT EXISTS "${Rust_COMPILER_CACHED}")
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message(FATAL_ERROR "The rustc executable ${Rust_COMPILER} was not found. "
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"Consider setting `Rust_COMPILER` to the absolute path of `rustc`."
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)
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endif()
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# Figure out the target by just using the host target.
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# If you want to cross-compile, you'll have to set Rust_CARGO_TARGET
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if(NOT Rust_CARGO_TARGET_CACHED)
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execute_process(
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COMMAND "${Rust_COMPILER_CACHED}" --version --verbose
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OUTPUT_VARIABLE _RUSTC_VERSION_RAW
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RESULT_VARIABLE _RUSTC_VERSION_RESULT
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)
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if(NOT ( "${_RUSTC_VERSION_RESULT}" EQUAL "0" ))
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message(FATAL_ERROR "Failed to get rustc version.\n"
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"${Rust_COMPILER} --version failed with error: `${_RUSTC_VERSION_RESULT}`")
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endif()
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if (_RUSTC_VERSION_RAW MATCHES "host: ([a-zA-Z0-9_\\-]*)\n")
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set(Rust_DEFAULT_HOST_TARGET "${CMAKE_MATCH_1}")
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else()
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message(FATAL_ERROR
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"Failed to parse rustc host target. `rustc --version --verbose` evaluated to:\n${_RUSTC_VERSION_RAW}"
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)
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endif()
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if(CMAKE_CROSSCOMPILING)
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message(FATAL_ERROR "CMake is in cross-compiling mode."
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"Manually set `Rust_CARGO_TARGET`."
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)
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endif()
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set(Rust_CARGO_TARGET_CACHED "${Rust_DEFAULT_HOST_TARGET}" CACHE STRING "Target triple")
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endif()
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# Set the input variables as non-cache variables so that the variables are available after
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# `find_package`, even if the values were evaluated to defaults.
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foreach(_VAR ${_Rust_USER_VARS})
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set(${_VAR} "${${_VAR}_CACHED}")
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# Ensure cached variables have type INTERNAL
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set(${_VAR}_CACHED "${${_VAR}_CACHED}" CACHE INTERNAL "Internal cache of ${_VAR}")
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endforeach()
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find_package_handle_standard_args(
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Rust
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REQUIRED_VARS Rust_COMPILER Rust_CARGO Rust_CARGO_TARGET
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)
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