[gcc-8][clang++-6] disable more -Werror warnings (#779)

gcc-8: -Wno-format-truncation

clang-6: -Wdelete-non-virtual-dtor
clang-6: -Wunused-lambda-capture

removed duplicated: -Wno-reorder

This fixes #778

Author: moriarty

Release/CMakeLists.txt

@@ -166,12 +166,12 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR IOS)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-attributes -Wno-pointer-arith")
   elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
     set(WARNINGS -Wall -Wextra -Wcast-qual -Wconversion -Wformat=2 -Winit-self -Winvalid-pch -Wmissing-format-attribute -Wmissing-include-dirs -Wpacked -Wredundant-decls)
-    set(LINUX_SUPPRESSIONS -Wno-overloaded-virtual -Wno-sign-conversion -Wno-deprecated -Wno-unknown-pragmas -Wno-reorder -Wno-char-subscripts -Wno-switch -Wno-unused-parameter -Wno-unused-variable -Wno-deprecated -Wno-unused-value -Wno-unknown-warning-option -Wno-return-type-c-linkage -Wno-unused-function -Wno-sign-compare -Wno-shorten-64-to-32 -Wno-reorder -Wno-unused-local-typedefs)
+    set(LINUX_SUPPRESSIONS -Wno-overloaded-virtual -Wno-sign-conversion -Wno-deprecated -Wno-unknown-pragmas -Wno-reorder -Wno-char-subscripts -Wno-switch -Wno-unused-parameter -Wno-unused-variable -Wno-deprecated -Wno-unused-value -Wno-unknown-warning-option -Wno-return-type-c-linkage -Wno-unused-function -Wno-sign-compare -Wno-shorten-64-to-32 -Wno-unused-local-typedefs -Wno-delete-non-virtual-dtor -Wno-unused-lambda-capture)
     set(WARNINGS ${WARNINGS} ${LINUX_SUPPRESSIONS})
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-return-type-c-linkage -Wno-unneeded-internal-declaration")
   else()
     set(WARNINGS -Wall -Wextra -Wcast-qual -Wconversion -Wformat=2 -Winit-self -Winvalid-pch -Wmissing-format-attribute -Wmissing-include-dirs -Wpacked -Wredundant-decls)
-    set(OSX_SUPPRESSIONS -Wno-overloaded-virtual -Wno-sign-conversion -Wno-deprecated -Wno-unknown-pragmas -Wno-reorder -Wno-char-subscripts -Wno-switch -Wno-unused-parameter -Wno-unused-variable -Wno-deprecated -Wno-unused-value -Wno-unknown-warning-option -Wno-return-type-c-linkage -Wno-unused-function -Wno-sign-compare -Wno-shorten-64-to-32 -Wno-reorder -Wno-unused-local-typedefs)
+    set(OSX_SUPPRESSIONS -Wno-overloaded-virtual -Wno-sign-conversion -Wno-deprecated -Wno-unknown-pragmas -Wno-reorder -Wno-char-subscripts -Wno-switch -Wno-unused-parameter -Wno-unused-variable -Wno-deprecated -Wno-unused-value -Wno-unknown-warning-option -Wno-return-type-c-linkage -Wno-unused-function -Wno-sign-compare -Wno-shorten-64-to-32 -Wno-unused-local-typedefs -Wno-delete-non-virtual-dtor -Wno-unused-lambda-capture)
     set(WARNINGS ${WARNINGS} ${OSX_SUPPRESSIONS})
 
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ -Wno-return-type-c-linkage -Wno-unneeded-internal-declaration")
@@ -184,7 +184,7 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR IOS)
 elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
   message("-- Setting gcc options")
 
-  set(WARNINGS -Wall -Wextra -Wunused-parameter -Wcast-align -Wcast-qual -Wconversion -Wformat=2 -Winit-self -Winvalid-pch -Wmissing-format-attribute -Wmissing-include-dirs -Wpacked -Wredundant-decls -Wunreachable-code)
+  set(WARNINGS -Wall -Wextra -Wunused-parameter -Wcast-align -Wcast-qual -Wconversion -Wformat=2 -Winit-self -Winvalid-pch -Wmissing-format-attribute -Wmissing-include-dirs -Wpacked -Wredundant-decls -Wunreachable-code -Wno-format-truncation)
   set(LD_FLAGS "${LD_FLAGS} -Wl,-z,defs")
 
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -fno-strict-aliasing")