Document option '-rtlib' in clang's man page and help info
This patch adds an entry for "-rtlib" in the output of `man clang` and `clang -help`.
Patch by Lei Zhang!
Differential Revision: https://reviews.llvm.org/D24069
llvm-svn: 281440
diff --git a/clang/docs/CommandGuide/clang.rst b/clang/docs/CommandGuide/clang.rst
index 0546304..1c47db7 100644
--- a/clang/docs/CommandGuide/clang.rst
+++ b/clang/docs/CommandGuide/clang.rst
@@ -105,7 +105,12 @@
.. option:: -stdlib=<library>
Specify the C++ standard library to use; supported options are libstdc++ and
- libc++.
+ libc++. If not specified, platform default will be used.
+
+.. option:: -rtlib=<library>
+
+ Specify the compiler runtime library to use; supported options are libgcc and
+ compiler-rt. If not specified, platform default will be used.
.. option:: -ansi