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build test binary with cargo rustc #2120

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danburkert opened this issue Nov 6, 2015 · 5 comments
Closed

build test binary with cargo rustc #2120

danburkert opened this issue Nov 6, 2015 · 5 comments

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@danburkert
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It's currently not possible to package a test binary using cargo rustc, which can be useful when cross compiling a test binary.
@alexcrichton
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Does passing --test to rustc work?

@danburkert
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No, or at least I don't think so. --test takes a test target, but I don't know how to specify the target as the libraries in-source tests.

@alexcrichton
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Ah I meant along the lines of:

cargo rustc --lib -- --test

(e.g. passing --test to rustc, not cargo)

@danburkert
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I tried that, but it fails at that point to link dev dependencies. Perhaps
there's a workaround to force cargo to link in the dev dependencies with
cargo rustc?

On Fri, Nov 6, 2015 at 11:35 AM, Alex Crichton [email protected]
wrote:

Ah I meant along the lines of:

cargo rustc --lib -- --test

(e.g. passing --test to rustc, not cargo)

—
Reply to this email directly or view it on GitHub
#2120 (comment).

@alexcrichton
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Ah, right yes of course! Currently there's no way to work around that, but I have also wanted this in the past!

@alexcrichton alexcrichton mentioned this issue Dec 17, 2015
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alexcrichton added a commit to alexcrichton/cargo that referenced this issue Dec 17, 2015
@alexcrichton
Allow specifying profiles to cargo rustc
71ff274 
This should allow compiling the specified target in the various profiles that
are available to it, e.g. bench or test in addition to the standard
dev.

Closes rust-lang#2120
@alexcrichton alexcrichton mentioned this issue Dec 17, 2015
Merged
bors added a commit that referenced this issue Dec 18, 2015
@bors
Auto merge of #2224 - alexcrichton:rustc-dev, r=brson
58cc3a2 
This should allow compiling the specified target in the various profiles that
are available to it, e.g. bench or test in addition to the standard
dev.

Closes #2120
JIghtuse pushed a commit to JIghtuse/cargo that referenced this issue Dec 22, 2015
@alexcrichton @JIghtuse
Allow specifying profiles to cargo rustc
5fc0fe5 
This should allow compiling the specified target in the various profiles that
are available to it, e.g. bench or test in addition to the standard
dev.

Closes rust-lang#2120
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@alexcrichton @danburkert