From 11415bce3c77d8300307bc757d002adb3b6eb73b Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Wed, 8 Nov 2017 18:27:10 -0800
Subject: [PATCH] Update usage.rst

---
 doc/usage.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/usage.rst b/doc/usage.rst
index dff312df..4c65f8ab 100644
--- a/doc/usage.rst
+++ b/doc/usage.rst
@@ -41,6 +41,10 @@ current directory. Now you can build the library by running :command:`make`.
 Once the library has been built you can invoke :command:`make test` to run
 the tests.
 
+You can control generation of the make ``test`` target with the ``FMT_TEST``
+CMake option. This can be useful if you include fmt as a subdirectory in
+your project but don't want to add fmt's tests to your ``test`` target.
+
 If you use Windows and have Visual Studio installed, a :file:`FORMAT.sln`
 file and several :file:`.vcproj` files will be created. You can then build them
 using Visual Studio or msbuild.