Be more explicit about SPIRV_WERROR option. (#2141)
There was some confusion about the SPIRV_WERROR option when it is turned
off. When the option is off nothing is done. That is, we do not add
-Wno-error. This means that if the parent project added -Werorr to the
C flags or CXX flags, then warnings will still be treated as errors.
I've updated the README.md to make this explicit.
Fixes #2121.
diff --git a/README.md b/README.md
index 903200a..534664f 100644
--- a/README.md
+++ b/README.md
@@ -273,7 +273,7 @@
See [`CMakeLists.txt`](CMakeLists.txt) for details.
* `SPIRV_WERROR={ON|OFF}`, default `ON` - Forces a compilation error on any
warnings encountered by enabling the compiler-specific compiler front-end
- option.
+ option. No compiler front-end options are enabled when this option is OFF.
Additionally, you can pass additional C preprocessor definitions to SPIRV-Tools
via setting `SPIRV_TOOLS_EXTRA_DEFINITIONS`. For example, by setting it to
