Fix building with Clang 4.0

Clang 4.0.1 is less than two years old and still in widespread use. It doesn't support some of the more recent diagnostic warnings. Bug: b/130335507 Change-Id: I68c6270c2e90c50b1de1657e16e914c89b336952 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/30191Tested-by: Nicolas Capens <nicolascapens@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>

Fix building with Clang 4.0
67180a07 · Nicolas Capens · Nicolas Capens · 9283b255 · 67180a07
Commit 67180a07 authored Jun 17, 2019 by Nicolas Capens Committed by Nicolas Capens Jun 18, 2019
Hide whitespace changes
Inline Side-by-side

Showing with 4 additions and 0 deletions

CMakeLists.txt CMakeLists.txt +4 -0

No files found.
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -344,6 +344,10 @@ else()
            "-Werror=string-conversion"
            "-Werror=extra-semi"
            "-Werror=ignored-qualifiers"
+            # Silence errors caused by unknown warnings when building with older
+            # versions of Clang. This demands checking that warnings added above
+            # are spelled correctly and work as intended!
+            "-Wno-unknown-warning-option"
        )
    endif()