Inital commit

cmake/Modules/compiler-options.cmake

@@ -0,0 +1,46 @@
+#
+# Copyright (C) 2018 by George Cave - gcave@stablecoder.ca
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+option(ENABLE_ALL_WARNINGS "Compile with all warnings for the major compilers."
+       OFF)
+option(ENABLE_EFFECTIVE_CXX "Enable Effective C++ warnings." OFF)
+
+if(ENABLE_ALL_WARNINGS)
+  if(CMAKE_COMPILER_IS_GNUCXX)
+    # GCC
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
+  elseif("${CMAKE_C_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang"
+         OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang")
+    # Clang
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
+  elseif(MSVC)
+    # MSVC
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
+  endif()
+endif()
+
+if(ENABLE_EFFECTIVE_CXX)
+  if(CMAKE_COMPILER_IS_GNUCXX)
+    # GCC
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Weffc++")
+  elseif("${CMAKE_C_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang"
+         OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang")
+    # Clang
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Weffc++")
+  endif()
+endif()