remove obsolete checks for -fno-implicit-templates

we stopped using -fno-implicit-templates many years ago

extra/yassl/CMakeLists.txt

@@ -20,9 +20,6 @@ INCLUDE_DIRECTORIES(
  ${CMAKE_SOURCE_DIR}/extra/yassl/taocrypt/mySTL)
 
 ADD_DEFINITIONS(${SSL_DEFINES})
-#Remove -fno-implicit-templates
-#(yassl sources cannot  be compiled with  it)
-STRING(REPLACE "-fno-implicit-templates" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
 SET(YASSL_SOURCES  src/buffer.cpp src/cert_wrapper.cpp src/crypto_wrapper.cpp src/handshake.cpp src/lock.cpp 
 				src/log.cpp src/socket_wrapper.cpp src/ssl.cpp src/timer.cpp src/yassl_error.cpp 
 				src/yassl_imp.cpp src/yassl_int.cpp)

plugin/handler_socket/CMakeLists.txt

@@ -5,14 +5,7 @@ IF(WIN32)
   RETURN()
 ENDIF()
 
-#Remove -fno-implicit-templates from compiler flags(handlersocket would not work  with  it)
-STRING(REPLACE "-fno-implicit-templates" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
-
-include(CheckCXXCompilerFlag)
-check_cxx_compiler_flag(" -Wdeprecated-declarations" HAVE_CXX_WDEPRECATED_DECLARATIONS)
-IF (HAVE_CXX_WDEPRECATED_DECLARATIONS)
-  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations")
-ENDIF()
+MY_CHECK_AND_SET_COMPILER_FLAG("-Wdeprecated-declarations")
 
 INCLUDE_DIRECTORIES(libhsclient)
 

storage/cassandra/CMakeLists.txt

@@ -21,7 +21,6 @@ IF(EXISTS ${Thrift_LIBS})
   SET(CMAKE_REQUIRED_INCLUDES ${Thrift_INCLUDE_DIRS})
 
   STRING(REPLACE "-fno-exceptions" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-  STRING(REPLACE "-fno-implicit-templates" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 
   SET(CMAKE_REQUIRED_INCLUDES "${Thrift_INCLUDE_DIRS}/..")
   CHECK_CXX_SOURCE_COMPILES(

storage/mroonga/CMakeLists.txt

@@ -361,7 +361,6 @@ else()
     MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-unused-parameter")
     MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-strict-aliasing")
     MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-deprecated")
-    MY_CHECK_AND_SET_COMPILER_FLAG("-fno-implicit-templates")
     if(("${MYSQL_VARIANT}" STREQUAL "MariaDB") OR
         ("${MYSQL_VARIANT}" STREQUAL "MySQL" AND
          ${MYSQL_VERSION} VERSION_LESS "5.7.0"))

storage/oqgraph/CMakeLists.txt

@@ -58,7 +58,6 @@ IF(MSVC)
 ELSE(MSVC)
   # Fix lp bug 1221555 with -fpermissive, so that errors in gcc 4.7 become warnings for the time being
   STRING(REPLACE "-fno-exceptions" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
-  STRING(REPLACE "-fno-implicit-templates" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated -fno-strict-aliasing -fpermissive")
 ENDIF(MSVC)
 

storage/tokudb/PerconaFT/cmake_modules/TokuSetupCompiler.cmake

@@ -79,14 +79,6 @@ set_cflags_if_supported(
   )
 ## set_cflags_if_supported_named("-Weffc++" -Weffcpp)
 
-if (CMAKE_CXX_FLAGS MATCHES -fno-implicit-templates)
-  # must append this because mysql sets -fno-implicit-templates and we need to override it
-  check_cxx_compiler_flag(-fimplicit-templates HAVE_CXX_IMPLICIT_TEMPLATES)
-  if (HAVE_CXX_IMPLICIT_TEMPLATES)
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fimplicit-templates")
-  endif ()
-endif()
-
 ## Clang has stricter POD checks.  So, only enable this warning on our other builds (Linux + GCC)
 if (NOT CMAKE_CXX_COMPILER_ID MATCHES Clang)
   set_cflags_if_supported(