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Cargo.toml
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Cargo.toml
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[package]
authors = ["The Rust Project Developers"]
name = "rustc"
version = "0.0.0"
[lib]
name = "rustc"
path = "lib.rs"
crate-type = ["dylib"]
[dependencies]
arena = { path = "../libarena" }
bitflags = "1.0"
fmt_macros = { path = "../libfmt_macros" }
graphviz = { path = "../libgraphviz" }
jobserver = "0.1"
lazy_static = "1.0.0"
scoped-tls = { version = "0.1.1", features = ["nightly"] }
log = { version = "0.4", features = ["release_max_level_info", "std"] }
polonius-engine = "0.5.0"
proc_macro = { path = "../libproc_macro" }
rustc-rayon = "0.1.0"
rustc-rayon-core = "0.1.0"
rustc_apfloat = { path = "../librustc_apfloat" }
rustc_target = { path = "../librustc_target" }
rustc_data_structures = { path = "../librustc_data_structures" }
rustc_errors = { path = "../librustc_errors" }
serialize = { path = "../libserialize" }
syntax = { path = "../libsyntax" }
syntax_pos = { path = "../libsyntax_pos" }
backtrace = "0.3.3"
parking_lot = "0.5.5"
byteorder = { version = "1.1", features = ["i128"]}
chalk-engine = { version = "0.6.0", default-features=false }
# Note that these dependencies are a lie, they're just here to get linkage to
# work.
#
# We're creating a bunch of dylibs for the compiler but we're also compiling a
# bunch of crates.io crates. Everything in the compiler is compiled as an
# rlib/dylib pair but all crates.io crates tend to just be rlibs. This means
# we've got a problem for dependency graphs that look like:
#
# foo - rustc_codegen_llvm
# / \
# rustc ---- rustc_driver
# \ /
# foo - rustc_metadata
#
# Here the crate `foo` is linked into the `rustc_codegen_llvm` and the
# `rustc_metadata` dylibs, meaning we've got duplicate copies! When we then
# go to link `rustc_driver` the compiler notices this and gives us a compiler
# error.
#
# To work around this problem we just add these crates.io dependencies to the
# `rustc` crate which is a shared dependency above. That way the crate `foo`
# shows up in the dylib for the `rustc` crate, deduplicating it and allowing
# crates like `rustc_codegen_llvm` to use `foo` *through* the `rustc` crate.
#
# tl;dr; this is not needed to get `rustc` to compile, but if you remove it then
# later crate stop compiling. If you can remove this and everything
# compiles, then please feel free to do so!
flate2 = "1.0"
tempdir = "0.3"