diff --git a/configure b/configure index e942c853c4f..e0e0c04c0bc 100755 --- a/configure +++ b/configure @@ -181,7 +181,6 @@ _test_cxx11=no _debug_build=auto _release_build=auto _optimizations=auto -_use_cxx11=yes _verbose_build=no _text_console=no _mt32emu=yes @@ -284,7 +283,6 @@ add_feature vorbis "Vorbis file support" "_vorbis _tremor" add_feature zlib "zlib" "_zlib" add_feature lua "lua" "_lua" add_feature fribidi "FriBidi" "_fribidi" -add_feature cxx11 "c++11" "_use_cxx11" add_feature test_cxx11 "Test C++11" "_test_cxx11" # Directories for installing ScummVM. @@ -1335,12 +1333,6 @@ for ac_option in $@; do --backend=*) _backend=`echo $ac_option | cut -d '=' -f 2` ;; - --enable-c++11) - _use_cxx11=yes - ;; - --disable-c++11) - _use_cxx11=no - ;; --enable-debug) _debug_build=yes ;; @@ -1726,8 +1718,6 @@ switch) datarootdir='${prefix}/data' datadir='${datarootdir}' docdir='${prefix}/doc' - # Switch SDK has C++11 constructs so we must enable it - _use_cxx11=yes ;; wasm32-*) _endian=little # the endian check below fails, but emscripten is always little endian anyway @@ -2162,13 +2152,18 @@ fi # # Check whether the compiler supports C++11 # +echo_n "Checking if compiler supports C++11... " have_cxx11=no cat > $TMPC << EOF int main(int argc, char *argv[]) { if (argv == nullptr) return -1; else return 0; } EOF cc_check -std=c++11 && have_cxx11=yes -if test "$_use_cxx11" = "yes" ; then - _use_cxx11=$have_cxx11 +echo $have_cxx11 + +if test "$have_cxx11" = "no" ; then + echo + echo "ScummVM requires C++11 compiler support. Please ensure your compiler supports it" + exit 1 fi # @@ -2178,10 +2173,6 @@ fi # if test "$have_gcc" = yes ; then if test "$_cxx_major" -ge "3" ; then - # Try to use ANSI mode when C++11 is disabled. - if test "$_use_cxx11" = "no" ; then - append_var CXXFLAGS "-ansi" - fi case $_host_os in # newlib-based system include files suppress non-C89 function # declarations under __STRICT_ANSI__, undefine it @@ -2208,22 +2199,17 @@ elif test "$have_icc" = yes ; then fi; # -# Update status about C++11 mode +# Set status about C++11 mode # -echo_n "Building as C++11... " -if test "$_use_cxx11" = "yes" ; then - append_var CXXFLAGS "-std=c++11" -fi -echo $_use_cxx11 -define_in_config_if_yes "$_use_cxx11" 'USE_CXX11' +append_var CXXFLAGS "-std=c++11" # # Additional tests for C++11 features that may not be present # -if test "$_use_cxx11" = "yes" ; then - # Check if initializer list is available - echo_n "Checking if C++11 initializer list is available... " - cat > $TMPC << EOF + +# Check if initializer list is available +echo_n "Checking if C++11 initializer list is available... " +cat > $TMPC << EOF #include #include class FOO { @@ -2233,30 +2219,29 @@ public: }; int main(int argc, char *argv[]) { return 0; } EOF - cc_check - if test "$TMPR" -eq 0; then - echo yes - else - echo no - define_in_config_if_yes yes 'NO_CXX11_INITIALIZER_LIST' - fi +cc_check +if test "$TMPR" -eq 0; then + echo yes +else + echo no + define_in_config_if_yes yes 'NO_CXX11_INITIALIZER_LIST' +fi - # Check if std::nullptr_t is available - echo_n "Checking if C++11 std::nullptr_t is available..." - cat > $TMPC << EOF +# Check if std::nullptr_t is available +echo_n "Checking if C++11 std::nullptr_t is available..." +cat > $TMPC << EOF #include int main(int argc, char *argv[]) { std::nullptr_t i = nullptr; return 0; } EOF - cc_check - if test "$TMPR" -eq 0; then - echo yes - else - echo no - define_in_config_if_yes yes 'NO_CXX11_NULLPTR_T' - fi +cc_check +if test "$TMPR" -eq 0; then + echo yes +else + echo no + define_in_config_if_yes yes 'NO_CXX11_NULLPTR_T' fi #