Fix CMake warning flags and package versions (RobotLocomotion#7401)

* Sync warning flags between Bazel and CMake
* Specify correct minimum versions for CMake packages on Mac

matlab/cmake/flags.cmake

@@ -2,6 +2,8 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
+# Keep CMAKE_CXX_FLAGS in sync with CXX_FLAGS, CLANG_FLAGS, and GCC_FLAGS in
+# tools/skylark/drake_cc.bzl.
 if(CMAKE_CXX_COMPILER_ID STREQUAL AppleClang OR CMAKE_CXX_COMPILER_ID STREQUAL Clang)
   set(CXX_FLAGS
     -Werror=all
@@ -18,6 +20,7 @@ elseif(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
     -Werror=all
     -Werror=extra
     -Werror=ignored-qualifiers
+    -Werror=logical-op
     -Werror=non-virtual-dtor
     -Werror=overloaded-virtual
     -Werror=return-local-addr

matlab/cmake/packages.cmake

@@ -1,9 +1,20 @@
 set(CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY ON)
 set(CMAKE_FIND_PACKAGE_NO_SYSTEM_PACKAGE_REGISTRY ON)
 
+if(APPLE)
+  set(MINIMUM_MATLAB_VERSION 9.2)
+  # TODO(jamiesnape): Change from 3.1 to 3.4.1 when #7278 merges.
+  set(MINIMUM_PROTOBUF_VERSION 3.1)
+else()
+  # TODO(jamiesnape): Change from 9 to 9.2 when support for R2016a and R2016 is
+  # no longer needed.
+  set(MINIMUM_MATLAB_VERSION 9)
+  set(MINIMUM_PROTOBUF_VERSION 2.6.1)
+endif()
+
 find_package(drake CONFIG REQUIRED)
 find_package(Eigen3 3.3.3 CONFIG REQUIRED)
-find_package(Matlab 9 MODULE REQUIRED COMPONENTS
+find_package(Matlab ${MINIMUM_MATLAB_VERSION} MODULE REQUIRED COMPONENTS
   MAIN_PROGRAM MEX_COMPILER MX_LIBRARY
 )
-find_package(Protobuf 2.6 MODULE REQUIRED)
+find_package(Protobuf ${MINIMUM_PROTOBUF_VERSION} MODULE REQUIRED)

tools/skylark/drake_cc.bzl

@@ -1,5 +1,8 @@
 # -*- python -*-
 
+# Keep CXX_FLAGS, CLANG_FLAGS, and GCC_FLAGS in sync with CMAKE_CXX_FLAGS in
+# matlab/cmake/flags.cmake.
+
 # The CXX_FLAGS will be enabled for all C++ rules in the project
 # building with any compiler.
 CXX_FLAGS = [