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-rw-r--r--CMakeLists.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8144d880ce..7ac2ea7e0f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,7 +73,10 @@ if(APPLE)
endif()
set(CMAKE_CXX_FLAGS_RELEASE "-Os -DNDEBUG")
-if(CMAKE_COMPILER_IS_GNUCXX)
+
+if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=unknown-warning-option")
+elseif(CMAKE_COMPILER_IS_GNUCXX)
# https://svn.boost.org/trac/boost/ticket/9240
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fext-numeric-literals")
endif()