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Document environment variables

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Fixes #16330
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Steve Klabnik 2015-03-19 16:38:06 -04:00
parent 08dd30d9eb
commit b4a72a403a
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man/rustc.1
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@ -242,6 +242,28 @@ full debug info with variable and type information.
\fBopt\-level\fR=\fIVAL\fR
Optimize with possible levels 0\[en]3
.SH ENVIRONMENT VARIABLES
Some of these affect the output of the compiler, while others affect programs
which link to the standard library.
.TP
\fBRUST_TEST_THREADS\fR
The test framework Rust provides executes tests in parallel. This variable sets
the maximum number of threads used for this purpose.
.TP
\fBRUST_TEST_NOCAPTURE\fR
A synonym for the --nocapture flag.
.TP
\fBRUST_MIN_STACK\fR
Sets the minimum stack size for new threads.
.TP
\fBRUST_BACKTRACE\fR
If set, produces a backtrace in the output of a program which panics.
.SH "EXAMPLES"
To build an executable from a source file with a main function:
$ rustc \-o hello hello.rs