ddnet/cmake/FindRust.cmake

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CMake
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find_program(RUST_RUSTC rustc)
find_program(RUST_CARGO cargo)
if(RUST_RUSTC)
execute_process(COMMAND ${RUST_RUSTC} --version --verbose OUTPUT_VARIABLE RUSTC_VERSION_OUTPUT)
string(REPLACE "\n" ";" RUSTC_VERSION_OUTPUT "${RUSTC_VERSION_OUTPUT}")
set(RUST_NIGHTLY OFF)
foreach(line ${RUSTC_VERSION_OUTPUT})
if(NOT DEFINED RUST_VERSION_STRING)
set(RUST_VERSION_STRING ${line})
endif()
if(line MATCHES "^([^:]+): (.*)$")
set(KEY ${CMAKE_MATCH_1})
set(VALUE ${CMAKE_MATCH_2})
if(KEY STREQUAL "release")
set(RUST_VERSION ${VALUE})
if(VALUE MATCHES "nightly")
set(RUST_NIGHTLY ON)
endif()
elseif(KEY STREQUAL "host")
set(RUST_TARGET_HOST ${VALUE})
endif()
endif()
endforeach()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Rust DEFAULT_MSG RUST_RUSTC RUST_CARGO)
mark_as_advanced(RUST_RUSTC RUST_CARGO)