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d0bda9893b
This is one of the few warnings we disable due to false positives. Let's also disable it in the preprocessing steps needed for the Rust build. Other warnings we ignore are -Wno-address -Wunused-local-typedefs and -Wunused-macros. I didn't add them here because I don't expect that they will be triggered by the headers we give to cxx.
62 lines
2.2 KiB
Rust
62 lines
2.2 KiB
Rust
fn main() -> miette::Result<()> {
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let rust_dir = std::env::var("CARGO_MANIFEST_DIR").expect("Env var CARGO_MANIFEST_DIR missing");
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let target_dir =
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std::env::var("FISH_RUST_TARGET_DIR").unwrap_or(format!("{}/{}", rust_dir, "target/"));
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let fish_src_dir = format!("{}/{}", rust_dir, "../src/");
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// Where cxx emits its header.
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let cxx_include_dir = format!("{}/{}", target_dir, "cxxbridge/rust/");
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// If FISH_BUILD_DIR is given by CMake, then use it; otherwise assume it's at ../build.
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let fish_build_dir =
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std::env::var("FISH_BUILD_DIR").unwrap_or(format!("{}/{}", rust_dir, "../build/"));
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// Where autocxx should put its stuff.
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let autocxx_gen_dir = std::env::var("FISH_AUTOCXX_GEN_DIR")
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.unwrap_or(format!("{}/{}", fish_build_dir, "fish-autocxx-gen/"));
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// Emit cxx junk.
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// This allows "Rust to be used from C++"
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// This must come before autocxx so that cxx can emit its cxx.h header.
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let source_files = vec![
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"src/abbrs.rs",
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"src/fd_monitor.rs",
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"src/fd_readable_set.rs",
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"src/fds.rs",
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"src/ffi_init.rs",
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"src/ffi_tests.rs",
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"src/future_feature_flags.rs",
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"src/job_group.rs",
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"src/parse_constants.rs",
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"src/redirection.rs",
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"src/smoke.rs",
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"src/timer.rs",
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"src/tokenizer.rs",
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"src/topic_monitor.rs",
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"src/util.rs",
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"src/builtins/shared.rs",
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];
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cxx_build::bridges(&source_files)
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.flag_if_supported("-std=c++11")
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.include(&fish_src_dir)
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.include(&fish_build_dir) // For config.h
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.include(&cxx_include_dir) // For cxx.h
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.flag("-Wno-comment")
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.compile("fish-rust");
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// Emit autocxx junk.
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// This allows "C++ to be used from Rust."
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let include_paths = [&fish_src_dir, &fish_build_dir, &cxx_include_dir];
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let mut b = autocxx_build::Builder::new("src/ffi.rs", include_paths)
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.custom_gendir(autocxx_gen_dir.into())
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.build()?;
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b.flag_if_supported("-std=c++11")
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.flag("-Wno-comment")
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.compile("fish-rust-autocxx");
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for file in source_files {
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println!("cargo:rerun-if-changed={file}");
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}
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Ok(())
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}
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