As per Carlos López's comment on bug #167643: > I get thousands of warnings printed like this: > warning: unknown warning option '-Wno-expansion-to-defined'; did you mean '-Wno-macro-redefined'? [-Wunknown-warning-option] > > Using clang-3.8 with ccache. With Clang 4.0 there is no such warning.
Created attachment 311589 [details] Patch
Comment on attachment 311589 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=311589&action=review > Source/cmake/OptionsCommon.cmake:37 > + if (NOT(COMPILER_IS_CLANG AND "${CLANG_VERSION}" VERSION_LESS 4.0.0)) Style: add one space after the NOT
Committed r217618: <http://trac.webkit.org/changeset/217618>