CMake: Use CMAKE_CXX_STANDARD and don't set it in three places

This requires bumping cmake version requirement to 3.1
(which should long be available on supported platforms, though)

TODO: We actually depend on GNU compiler extensions right now
      (i.e. *don't* build with -std=c++11 but require -std=gnu++11)

1 files changed, 6 insertions, 7 deletions

diff --git a/CMakeScripts/ConfigEnv.cmake b/CMakeScripts/ConfigEnv.cmake
index 29f2f5df8..b8809428c 100644
--- a/CMakeScripts/ConfigEnv.cmake
+++ b/CMakeScripts/ConfigEnv.cmake
@@ -5,20 +5,19 @@ if(WIN32)
   message("-- Windows build detected, setting default features")

 

   include(CMakeScripts/ConfigEnvMinGW.cmake)

-  

+

   set(CMAKE_C_COMPILER "${MINGW_BIN}/gcc.exe")

   set(CMAKE_CXX_COMPILER "${MINGW_BIN}/g++.exe")

-  set(CMAKE_CXX_STANDARD 11)

-  

+

   # Setup Windows resource files compiler.

   set(CMAKE_RC_COMPILER "${MINGW_BIN}/windres.exe")

   set(CMAKE_RC_COMPILER_INIT windres)

   enable_language(RC)

   set(CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> -O coff -i <SOURCE> -o <OBJECT>")

-  

+

   # These options are required for having i18n support on Windows.

   option(ENABLE_NLS "Compile with Native Language Support (using gettext)" ON)

-  

+

   # Does not compile on Windows with these options.

   option(ENABLE_BINRELOC "Use AutoPackage" OFF)

   option(WITH_JEMALLOC "Compile with JEMALLOC support" OFF)

@@ -26,7 +25,7 @@ endif()
 

 if(APPLE)

   message("-- Mac OS X build detected, setting default features")

-  

+

   # prefer macports and/or user-installed libraries over system ones

   #LIST(APPEND CMAKE_PREFIX_PATH /opt/local /usr/local)

   set(CMAKE_FIND_FRAMEWORK "LAST")

@@ -35,7 +34,7 @@ if(APPLE)
   if(DEFINED ENV{CMAKE_PREFIX_PATH})

     message("CMAKE_PREFIX_PATH: $ENV{CMAKE_PREFIX_PATH}")

   endif()

-  

+

   if(DEFINED ENV{GTKMM_BASEPATH})

     message("GTKMM_BASEPATH: $ENV{GTKMM_BASEPATH}")

   endif()