Add -Wshadow if supported

6945096b · Matt Clarkson · e863292d · 6945096b
Commit 6945096b authored Aug 01, 2014 by Matt Clarkson
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CMakeLists.txt CMakeLists.txt +4 -0

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--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,6 +40,10 @@ check_cxx_compiler_flag(-Wall HAVE_FLAG_WALL)
 if (HAVE_FLAG_WALL)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
 endif()
+check_cxx_compiler_flag(-Wshadow HAVE_FLAG_WSHADOW)
+if (HAVE_FLAG_WSHADOW)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wshadow")
+endif()
 check_cxx_compiler_flag(-Werror HAVE_FLAG_WERROR)
 if (HAVE_FLAG_WERROR)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")