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Suggest use of --print target-list when target is not found. #35129

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Merged
merged 1 commit into from Jul 31, 2016
Merged

Suggest use of --print target-list when target is not found. #35129

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7 changes: 5 additions & 2 deletions src/librustc/session/config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ use syntax::parse;
use syntax::parse::token::InternedString;
use syntax::feature_gate::UnstableFeatures;

use errors::{ColorConfig, Handler};
use errors::{ColorConfig, FatalError, Handler};

use getopts;
use std::collections::HashMap;
Expand Down Expand Up @@ -836,7 +836,10 @@ pub fn build_target_config(opts: &Options, sp: &Handler) -> Config {
let target = match Target::search(&opts.target_triple) {
Ok(t) => t,
Err(e) => {
panic!(sp.fatal(&format!("Error loading target specification: {}", e)));
sp.struct_fatal(&format!("Error loading target specification: {}", e))
.help("Use `--print target-list` for a list of built-in targets")
.emit();
panic!(FatalError);
}
};

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