Auto merge of #29582 - oli-obk:token_tree, r=sfackler

[rust.git] / man / rustc.1

diff --git a/man/rustc.1 b/man/rustc.1
index 0cb1c5dc32b8ecfbad0f93d490bd163d006f45ba..56e3fe0515eb9b7dbe34dc8fed719acb39686347 100644 (file)
--- a/man/rustc.1
+++ b/man/rustc.1
@@ -41,7 +41,7 @@ look for anything here (the default)
 .RE
 .TP
 \fB\-l\fR [\fIKIND\fR=]\fINAME\fR
-Link the generated crate(s) to the specified native library \fINAME\fR.
+Link the generated crate(s) to the specified library \fINAME\fR.
 The optional \fIKIND\fR can be one of \fIstatic\fR, \fIdylib\fR, or
 \fIframework\fR.
 If omitted, \fIdylib\fR is assumed.
@@ -53,7 +53,9 @@ Comma separated list of types of crates for the compiler to emit.
 Specify the name of the crate being built.
 .TP
 \fB\-\-emit\fR [asm|llvm\-bc|llvm\-ir|obj|link|dep\-info]
-Configure the output that \fBrustc\fR will produce.
+Configure the output that \fBrustc\fR will produce. Each option may also be of
+the form KIND=PATH to specify the explicit output location for that particular
+emission kind.
 .TP
 \fB\-\-print\fR [crate\-name|file\-names|sysroot]
 Comma separated list of compiler information to print on stdout.
@@ -66,7 +68,8 @@ Equivalent to \fI\-C\ opt\-level=2\fR.
 .TP
 \fB\-o\fR \fIFILENAME\fR
 Write output to \fIFILENAME\fR.
-Ignored if multiple \fI\-\-emit\fR outputs are specified.
+Ignored if multiple \fI\-\-emit\fR outputs are specified which don't have an
+explicit path otherwise.
 .TP
 \fB\-\-out\-dir\fR \fIDIR\fR
 Write output to compiler\[hy]chosen filename in \fIDIR\fR.
@@ -113,7 +116,8 @@ Print version info and exit.
 Use verbose output.
 .TP
 \fB\-\-extern\fR \fINAME\fR=\fIPATH\fR
-Specify where an external rust library is located.
+Specify where an external rust library is located. These should match
+\fIextern\fR declarations in the crate's source code.
 .TP
 \fB\-\-sysroot\fR \fIPATH\fR
 Override the system root.