Debian 10: switch to C++14

Some libraries, e.g. protobuf, depend on C++11 now.  As they are
(indirectly) included in some .ah aspect headers, everything has to be
compiled with C++11 enabled now.

This change switches to C++14 globally.

Change-Id: I56a802bd510704d668a2b2c8957e11725fbe98b7

cmake/bochs.cmake

@@ -79,7 +79,7 @@ if(BUILD_BOCHS)
   set(bochs_configure_params --enable-a20-pin --enable-x86-64 --enable-cpu-level=6 --enable-ne2000 --enable-acpi --enable-pci --enable-usb --enable-trace-cache --enable-fast-function-calls --enable-host-specific-asms --enable-disasm --enable-readline --enable-clgd54xx --enable-fpu --enable-vmx=2 --enable-monitor-mwait --enable-cdrom --enable-sb16=linux --enable-gdb-stub --disable-docbook --with-nogui --with-x11 --with-wx --with-sdl CACHE STRING "Bochs configure parameters")
 
   ## Bochs CXX args for calling make
-  set(bochs_build_CXX CXX=${AGXX}\ -p\ ${PROJECT_SOURCE_DIR}/src\ -p\ ${PROJECT_SOURCE_DIR}/simulators\ -p\ ${PROJECT_SOURCE_DIR}/debuggers\ -p\ ${PROJECT_SOURCE_DIR}/tools\ -p\ ${PROJECT_BINARY_DIR}/src\ -I${PROJECT_SOURCE_DIR}/src/core\ -I${CMAKE_BINARY_DIR}/src/core\ ${CMAKE_AGPP_FLAGS}\ --Xcompiler\ -std=gnu++98)
+  set(bochs_build_CXX CXX=${AGXX}\ -p\ ${PROJECT_SOURCE_DIR}/src\ -p\ ${PROJECT_SOURCE_DIR}/simulators\ -p\ ${PROJECT_SOURCE_DIR}/debuggers\ -p\ ${PROJECT_SOURCE_DIR}/tools\ -p\ ${PROJECT_BINARY_DIR}/src\ -I${PROJECT_SOURCE_DIR}/src/core\ -I${CMAKE_BINARY_DIR}/src/core\ ${CMAKE_AGPP_FLAGS}\ --Xcompiler\ -std=gnu++14\ -Wno-narrowing)
   ## Bochs libtool command.
   set(bochs_build_LIBTOOL LIBTOOL=/bin/sh\ ./libtool\ --tag=CXX)
 

cmake/compilerconfig.cmake

@@ -1,3 +1,10 @@
+#### C++14 ####
+# We need at least C++11, as some library headers begin to require it.  C++14
+# has already aged sufficiently to mandate it here.
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
 ##### Verbose make ####
 option( VERBOSE_MAKE "Verbose Makefile output" OFF) # defaults to OFF
 	set(CMAKE_VERBOSE_MAKEFILE ${VERBOSE_MAKE})

simulators/bochs/iodev/sb16.cc

@@ -1,3 +1,4 @@
+#pragma clang diagnostic ignored "-Wc++11-narrowing"
 /////////////////////////////////////////////////////////////////////////
 // $Id$
 /////////////////////////////////////////////////////////////////////////

src/core/cpn/CMakeLists.txt

@@ -4,8 +4,6 @@ set(SRCS
 	DatabaseCampaign.cc
 )
 
-set_source_files_properties(JobServer.cc CampaignManager.cc PROPERTIES COMPILE_FLAGS -std=c++14)
-
 find_package(MySQL REQUIRED)
 include_directories(${MYSQL_INCLUDE_DIR})