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bootstrap: Allow to invoke cargo with the Usage: rustc [OPTIONS] INPUT

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Options:
    -h, --help          Display this message
        --cfg SPEC      Configure the compilation environment
    -L [KIND=]PATH      Add a directory to the library search path. The
                        optional KIND can be one of dependency, crate, native,
                        framework or all (the default).
    -l [KIND=]NAME      Link the generated crate(s) to the specified native
                        library NAME. The optional KIND can be one of static,
                        dylib, or framework. If omitted, dylib is assumed.
        --crate-type [bin|lib|rlib|dylib|cdylib|staticlib|proc-macro]
                        Comma separated list of types of crates for the
                        compiler to emit
        --crate-name NAME
                        Specify the name of the crate being built
        --emit [asm|llvm-bc|llvm-ir|obj|metadata|link|dep-info|mir]
                        Comma separated list of types of output for the
                        compiler to emit
        --print [crate-name|file-names|sysroot|cfg|target-list|target-cpus|target-features|relocation-models|code-models|tls-models|target-spec-json|native-static-libs]
                        Comma separated list of compiler information to print
                        on stdout
    -g                  Equivalent to -C debuginfo=2
    -O                  Equivalent to -C opt-level=2
    -o FILENAME         Write output to <filename>
        --out-dir DIR   Write output to compiler-chosen filename in <dir>
        --explain OPT   Provide a detailed explanation of an error message
        --test          Build a test harness
        --target TARGET Target triple for which the code is compiled
    -W, --warn OPT      Set lint warnings
    -A, --allow OPT     Set lint allowed
    -D, --deny OPT      Set lint denied
    -F, --forbid OPT    Set lint forbidden
        --cap-lints LEVEL
                        Set the most restrictive lint level. More restrictive
                        lints are capped at this level
    -C, --codegen OPT[=VALUE]
                        Set a codegen option
    -V, --version       Print version info and exit
    -v, --verbose       Use verbose output

Additional help:
    -C help             Print codegen options
    -W help             Print 'lint' options and default settings
    --help -v           Print the full set of options rustc accepts command.
This commit is contained in:
Michael Woerister
2018-08-10 12:22:28 +02:00
parent 80e27cdd02
commit 34a654caa3
1 changed files with 2 additions and 2 deletions
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4
src/bootstrap/builder.rs
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@@ -827,7 +827,7 @@ impl<'a> Builder<'a> {
if let Some(ref error_format) = self.config.rustc_error_format {
cargo.env("RUSTC_ERROR_FORMAT", error_format);
}
if cmd != "build" && cmd != "check" && want_rustdoc {
if cmd != "build" && cmd != "check" && cmd != "rustc" && want_rustdoc {
cargo.env("RUSTDOC_LIBDIR", self.sysroot_libdir(compiler, self.config.build));
}
@@ -988,7 +988,7 @@ impl<'a> Builder<'a> {
}
}
if cmd == "build"
if (cmd == "build" || cmd == "rustc")
&& mode == Mode::Std
&& self.config.extended
&& compiler.is_final_stage(self)