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681a165721
This allow testing Rust functions (from fish_tests.cpp) which need to cross the FFI. See the example in smoke.rs.
50 lines
1.6 KiB
CMake
50 lines
1.6 KiB
CMake
include(FetchContent)
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# Don't let Corrosion's tests interfere with ours.
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set(CORROSION_TESTS OFF CACHE BOOL "" FORCE)
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FetchContent_Declare(
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Corrosion
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GIT_REPOSITORY https://github.com/ridiculousfish/corrosion
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GIT_TAG fish
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)
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FetchContent_MakeAvailable(Corrosion)
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set(fish_rust_target "fish-rust")
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set(fish_autocxx_gen_dir "${CMAKE_BINARY_DIR}/fish-autocxx-gen/")
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corrosion_import_crate(
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MANIFEST_PATH "${CMAKE_SOURCE_DIR}/fish-rust/Cargo.toml"
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FEATURES "fish-ffi-tests"
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)
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# We need the build dir because cxx puts our headers in there.
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# Corrosion doesn't expose the build dir, so poke where we shouldn't.
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if (Rust_CARGO_TARGET)
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set(rust_target_dir "${CMAKE_BINARY_DIR}/cargo/build/${_CORROSION_RUST_CARGO_TARGET}")
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else()
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set(rust_target_dir "${CMAKE_BINARY_DIR}/cargo/build/${_CORROSION_RUST_CARGO_HOST_TARGET}")
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corrosion_set_hostbuild(${fish_rust_target})
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endif()
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# Tell Cargo where our build directory is so it can find config.h.
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corrosion_set_env_vars(${fish_rust_target} "FISH_BUILD_DIR=${CMAKE_BINARY_DIR}" "FISH_AUTOCXX_GEN_DIR=${fish_autocxx_gen_dir}" "FISH_RUST_TARGET_DIR=${rust_target_dir}")
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target_include_directories(${fish_rust_target} INTERFACE
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"${rust_target_dir}/cxxbridge/${fish_rust_target}/src/"
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"${fish_autocxx_gen_dir}/include/"
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)
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# Tell fish what extra C++ files to compile.
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define_property(
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TARGET PROPERTY fish_extra_cpp_files
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BRIEF_DOCS "Extra C++ files to compile for fish."
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FULL_DOCS "Extra C++ files to compile for fish."
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)
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set_property(TARGET ${fish_rust_target} PROPERTY fish_extra_cpp_files
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"${fish_autocxx_gen_dir}/cxx/gen0.cxx"
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)
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