mkdir -p build build/tex build/engine build/console
sh3eb-elf-as -c src/crt0.s -o build/crt0.s.o
sh3eb-elf-as -c src/syscalls.s -o build/syscalls.s.o
sh3eb-elf-g++ -c src/main.cpp -o build/main.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/main.cpp:6:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/main.cpp.o] Error 1 (ignored)
sh3eb-elf-gcc -c src/config.c -o build/config.c.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c11 -W -Wall -Wno-main -pedantic -Iinclude/fx -Iinclude -Isrc
In file included from /home/el/opt/sh3eb-elf-2.31.1-8.2.0/sh3eb-elf/include/sys/reent.h:15,
                 from /home/el/opt/sh3eb-elf-2.31.1-8.2.0/sh3eb-elf/include/stdlib.h:18,
                 from src/config.c:1:
/home/el/opt/sh3eb-elf-2.31.1-8.2.0/sh3eb-elf/include/sys/_types.h:168:5: error: unknown type name 'wint_t'
     wint_t __wch;
     ^~~~~~
src/config.c: In function 'draw_menu':
src/config.c:17:9: warning: unused variable 'y' [-Wunused-variable]
  int x, y, i;
         ^
src/config.c:17:6: warning: unused variable 'x' [-Wunused-variable]
  int x, y, i;
      ^
src/config.c: In function 'menu_setup':
src/config.c:92:59: warning: ISO C forbids passing argument 3 of 'menu_create_item' between function pointer and 'void *' [-Wpedantic]
  menu.items[0] = menu_create_item("About", FUNCTION_CALL, menu_about, (void*)NULL);
                                                           ^~~~~~~~~~
In file included from src/config.c:5:
include/config.h:36:12: note: expected 'void *' but argument is of type 'void (*)()'
 Menu_Item* menu_create_item(const char* str, Menu_Item_Type type, void* other, void* save_func);
            ^~~~~~~~~~~~~~~~
src/config.c: In function 'menu_about':
src/config.c:118:9: warning: pointer targets in passing argument 1 of 'GetKey' differ in signedness [-Wpointer-sign]
  GetKey(&key);
         ^~~~
In file included from src/config.c:3:
include/fx/libfx.h:84:5: note: expected 'unsigned int *' but argument is of type 'int *'
 int GetKey(unsigned int *keycode);
     ^~~~~~
src/config.c: In function 'menu_create_item':
src/config.c:138:34: warning: ISO C forbids assignment between function pointer and 'void *' [-Wpedantic]
   item->action.val.save_function = save_func;
                                  ^
src/config.c:140:55: warning: ISO C forbids assignment between function pointer and 'void *' [-Wpedantic]
  else if(type == FUNCTION_CALL) item->action.function = other;
                                                       ^
make: [Makefile:124: build/config.c.o] Error 1 (ignored)
sh3eb-elf-gcc -c src/memory.c -o build/memory.c.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c11 -W -Wall -Wno-main -pedantic -Iinclude/fx -Iinclude -Isrc
In file included from /home/el/opt/sh3eb-elf-2.31.1-8.2.0/sh3eb-elf/include/sys/reent.h:15,
                 from /home/el/opt/sh3eb-elf-2.31.1-8.2.0/sh3eb-elf/include/stdlib.h:18,
                 from src/memory.c:22:
/home/el/opt/sh3eb-elf-2.31.1-8.2.0/sh3eb-elf/include/sys/_types.h:168:5: error: unknown type name 'wint_t'
     wint_t __wch;
     ^~~~~~
src/memory.c: In function 'memory_char2font':
src/memory.c:77:12: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'unsigned int'} [-Wsign-compare]
   for(i=0;i<strlen(adresse);i++) *(adr+i) = *(adresse+i);
            ^
src/memory.c: In function 'memory_find':
src/memory.c:141:6: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   if(x = Bfile_FindFirst(adr,&searchHandle,found,&fileInfo)) return 0;
      ^
make: [Makefile:124: build/memory.c.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/new.cpp -o build/new.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from /home/el/opt/sh3eb-elf-2.31.1-8.2.0/sh3eb-elf/include/sys/reent.h:15,
                 from /home/el/opt/sh3eb-elf-2.31.1-8.2.0/sh3eb-elf/include/stdlib.h:18,
                 from src/new.cpp:1:
/home/el/opt/sh3eb-elf-2.31.1-8.2.0/sh3eb-elf/include/sys/_types.h:168:5: error: 'wint_t' does not name a type; did you mean 'size_t'?
     wint_t __wch;
     ^~~~~~
     size_t
make: [Makefile:124: build/new.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/console/console.cpp -o build/console/console.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from include/console/console.h:11,
                 from src/console/console.cpp:5:
include/console/cursor.h: In constructor 'fx::Cursor::Cursor()':
include/console/cursor.h:31:8: warning: 'fx::Cursor::_visible' will be initialized after [-Wreorder]
   bool _visible;
        ^~~~~~~~
include/console/cursor.h:27:9: warning:   'short int fx::Cursor::_x' [-Wreorder]
   short _x;
         ^~
include/console/cursor.h:34:3: warning:   when initialized here [-Wreorder]
   Cursor(void) : _curr_line(NULL), _curr_expr(NULL), _curr_node(NULL), _visible(true), _x(0), _y(0), _length(7), _status(CURSOR_EDITING) {}
   ^~~~~~
include/console/cursor.h:29:18: warning: 'fx::Cursor::_length' will be initialized after [-Wreorder]
   unsigned short _length;
                  ^~~~~~~
include/console/cursor.h:23:16: warning:   'fx::CursorStatus fx::Cursor::_status' [-Wreorder]
   CursorStatus _status;
                ^~~~~~~
include/console/cursor.h:34:3: warning:   when initialized here [-Wreorder]
   Cursor(void) : _curr_line(NULL), _curr_expr(NULL), _curr_node(NULL), _visible(true), _x(0), _y(0), _length(7), _status(CURSOR_EDITING) {}
   ^~~~~~
src/console/console.cpp: In member function 'void fx::Console::render()':
src/console/console.cpp:315:18: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
   while (visited < _line_count)
          ~~~~~~~~^~~~~~~~~~~~~
sh3eb-elf-g++ -c src/console/cursor.cpp -o build/console/cursor.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/console/cursor.cpp:6:
include/console/cursor.h: In constructor 'fx::Cursor::Cursor()':
include/console/cursor.h:31:8: warning: 'fx::Cursor::_visible' will be initialized after [-Wreorder]
   bool _visible;
        ^~~~~~~~
include/console/cursor.h:27:9: warning:   'short int fx::Cursor::_x' [-Wreorder]
   short _x;
         ^~
include/console/cursor.h:34:3: warning:   when initialized here [-Wreorder]
   Cursor(void) : _curr_line(NULL), _curr_expr(NULL), _curr_node(NULL), _visible(true), _x(0), _y(0), _length(7), _status(CURSOR_EDITING) {}
   ^~~~~~
include/console/cursor.h:29:18: warning: 'fx::Cursor::_length' will be initialized after [-Wreorder]
   unsigned short _length;
                  ^~~~~~~
include/console/cursor.h:23:16: warning:   'fx::CursorStatus fx::Cursor::_status' [-Wreorder]
   CursorStatus _status;
                ^~~~~~~
include/console/cursor.h:34:3: warning:   when initialized here [-Wreorder]
   Cursor(void) : _curr_line(NULL), _curr_expr(NULL), _curr_node(NULL), _visible(true), _x(0), _y(0), _length(7), _status(CURSOR_EDITING) {}
   ^~~~~~
sh3eb-elf-g++ -c src/console/display.cpp -o build/console/display.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from include/console/display.h:13,
                 from src/console/display.cpp:7:
include/console/cursor.h: In constructor 'fx::Cursor::Cursor()':
include/console/cursor.h:31:8: warning: 'fx::Cursor::_visible' will be initialized after [-Wreorder]
   bool _visible;
        ^~~~~~~~
include/console/cursor.h:27:9: warning:   'short int fx::Cursor::_x' [-Wreorder]
   short _x;
         ^~
include/console/cursor.h:34:3: warning:   when initialized here [-Wreorder]
   Cursor(void) : _curr_line(NULL), _curr_expr(NULL), _curr_node(NULL), _visible(true), _x(0), _y(0), _length(7), _status(CURSOR_EDITING) {}
   ^~~~~~
include/console/cursor.h:29:18: warning: 'fx::Cursor::_length' will be initialized after [-Wreorder]
   unsigned short _length;
                  ^~~~~~~
include/console/cursor.h:23:16: warning:   'fx::CursorStatus fx::Cursor::_status' [-Wreorder]
   CursorStatus _status;
                ^~~~~~~
include/console/cursor.h:34:3: warning:   when initialized here [-Wreorder]
   Cursor(void) : _curr_line(NULL), _curr_expr(NULL), _curr_node(NULL), _visible(true), _x(0), _y(0), _length(7), _status(CURSOR_EDITING) {}
   ^~~~~~
sh3eb-elf-g++ -c src/console/expr.cpp -o build/console/expr.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/console/expr.cpp:5:
include/console/expr.h: In constructor 'fx::Expr::Expr(fx::Node*)':
include/console/expr.h:22:18: warning: 'fx::Expr::_depth' will be initialized after [-Wreorder]
   unsigned short _depth;
                  ^~~~~~
include/console/expr.h:18:9: warning:   'fx::Node* fx::Expr::_parent' [-Wreorder]
   Node *_parent;
         ^~~~~~~
src/console/expr.cpp:73:2: warning:   when initialized here [-Wreorder]
  Expr::Expr(Node *parent) : _width(FONT_WIDTH), _height(FONT_HEIGHT), _depth(FONT_DEPTH), _parent(parent)
  ^~~~
sh3eb-elf-g++ -c src/console/font.cpp -o build/console/font.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
sh3eb-elf-g++ -c src/console/key.cpp -o build/console/key.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
sh3eb-elf-g++ -c src/console/line.cpp -o build/console/line.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
sh3eb-elf-g++ -c src/console/node.cpp -o build/console/node.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
sh3eb-elf-g++ -c src/console/string.cpp -o build/console/string.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
src/console/string.cpp: In member function 'fx::String& fx::String::backspace(size_t)':
src/console/string.cpp:85:20: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'unsigned int'} and 'int' [-Wsign-compare]
   if (new_capacity <= (_capacity >> 1))   // Too much space, need to shrink.
       ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
src/console/string.cpp: In member function 'fx::String& fx::String::remove(size_t, size_t)':
src/console/string.cpp:256:20: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'unsigned int'} and 'int' [-Wsign-compare]
   if (new_capacity <= (_capacity >> 1))
       ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
sh3eb-elf-g++ -c src/console/symbol.cpp -o build/console/symbol.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
sh3eb-elf-g++ -c src/engine/abs.cpp -o build/engine/abs.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/abs.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/abs.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/add.cpp -o build/engine/add.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/add.cpp:24:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/add.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/adj.cpp -o build/engine/adj.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/adj.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/adj.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/alloc.cpp -o build/engine/alloc.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/alloc.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/alloc.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/append.cpp -o build/engine/append.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/append.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/append.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/arccos.cpp -o build/engine/arccos.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/arccos.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/arccos.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/arccosh.cpp -o build/engine/arccosh.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/arccosh.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/arccosh.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/arcsin.cpp -o build/engine/arcsin.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/arcsin.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/arcsin.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/arcsinh.cpp -o build/engine/arcsinh.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/arcsinh.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/arcsinh.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/arctan.cpp -o build/engine/arctan.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/arctan.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/arctan.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/arctanh.cpp -o build/engine/arctanh.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/arctanh.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/arctanh.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/arg.cpp -o build/engine/arg.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/arg.cpp:50:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/arg.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/atomize.cpp -o build/engine/atomize.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/atomize.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/atomize.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/bake.cpp -o build/engine/bake.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/bake.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/bake.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/bignum.cpp -o build/engine/bignum.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/bignum.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/bignum.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/binomial.cpp -o build/engine/binomial.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/binomial.cpp:14:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/binomial.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/ceiling.cpp -o build/engine/ceiling.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/ceiling.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/ceiling.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/choose.cpp -o build/engine/choose.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/choose.cpp:8:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/choose.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/circexp.cpp -o build/engine/circexp.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/circexp.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/circexp.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/clear.cpp -o build/engine/clear.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/clear.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/clear.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/clock.cpp -o build/engine/clock.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/clock.cpp:13:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/clock.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/coeff.cpp -o build/engine/coeff.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/coeff.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/coeff.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/cofactor.cpp -o build/engine/cofactor.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/cofactor.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/cofactor.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/condense.cpp -o build/engine/condense.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/condense.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/condense.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/conj.cpp -o build/engine/conj.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/conj.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/conj.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/cons.cpp -o build/engine/cons.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/cons.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/cons.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/contract.cpp -o build/engine/contract.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/contract.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/contract.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/cos.cpp -o build/engine/cos.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/cos.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/cos.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/cosh.cpp -o build/engine/cosh.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/cosh.cpp:6:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/cosh.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/data.cpp -o build/engine/data.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/data.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/data.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/decomp.cpp -o build/engine/decomp.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/decomp.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/decomp.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/define.cpp -o build/engine/define.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/define.cpp:30:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/define.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/defint.cpp -o build/engine/defint.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/defint.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/defint.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/degree.cpp -o build/engine/degree.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/degree.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/degree.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/denominator.cpp -o build/engine/denominator.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/denominator.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/denominator.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/derivative.cpp -o build/engine/derivative.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/derivative.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/derivative.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/det.cpp -o build/engine/det.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/det.cpp:19:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/det.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/dirac.cpp -o build/engine/dirac.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/dirac.cpp:11:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/dirac.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/display.cpp -o build/engine/display.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/display.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/display.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/distill.cpp -o build/engine/distill.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/distill.cpp:3:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/distill.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/divisors.cpp -o build/engine/divisors.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/divisors.cpp:13:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/divisors.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/dpow.cpp -o build/engine/dpow.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/dpow.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/dpow.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/dsolve.cpp -o build/engine/dsolve.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/dsolve.cpp:3:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/dsolve.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/eigen.cpp -o build/engine/eigen.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/eigen.cpp:36:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/eigen.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/erf.cpp -o build/engine/erf.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/erf.cpp:11:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/erf.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/erfc.cpp -o build/engine/erfc.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/erfc.cpp:12:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/erfc.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/eval.cpp -o build/engine/eval.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/eval.cpp:8:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/eval.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/expand.cpp -o build/engine/expand.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/expand.cpp:13:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/expand.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/expcos.cpp -o build/engine/expcos.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/expcos.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/expcos.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/expsin.cpp -o build/engine/expsin.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/expsin.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/expsin.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/factor.cpp -o build/engine/factor.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/factor.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/factor.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/factorial.cpp -o build/engine/factorial.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/factorial.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/factorial.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/factorpoly.cpp -o build/engine/factorpoly.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/factorpoly.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/factorpoly.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/factors.cpp -o build/engine/factors.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/factors.cpp:19:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/factors.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/filter.cpp -o build/engine/filter.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/filter.cpp:9:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/filter.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/find.cpp -o build/engine/find.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/find.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/find.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/float.cpp -o build/engine/float.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/float.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/float.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/floor.cpp -o build/engine/floor.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/floor.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/floor.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/for.cpp -o build/engine/for.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/for.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/for.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/gamma.cpp -o build/engine/gamma.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/gamma.cpp:10:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/gamma.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/gcd.cpp -o build/engine/gcd.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/gcd.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/gcd.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/guess.cpp -o build/engine/guess.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/guess.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/guess.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/hermite.cpp -o build/engine/hermite.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/hermite.cpp:14:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/hermite.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/hilbert.cpp -o build/engine/hilbert.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/hilbert.cpp:18:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/hilbert.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/imag.cpp -o build/engine/imag.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/imag.cpp:12:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/imag.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/index.cpp -o build/engine/index.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/index.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/index.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/init.cpp -o build/engine/init.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/init.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/init.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/inner.cpp -o build/engine/inner.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/inner.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/inner.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/integral.cpp -o build/engine/integral.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/integral.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/integral.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/inv.cpp -o build/engine/inv.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/inv.cpp:19:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/inv.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/is.cpp -o build/engine/is.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/is.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/is.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/isprime.cpp -o build/engine/isprime.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/isprime.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/isprime.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/itab.cpp -o build/engine/itab.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/itab.cpp:13:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/itab.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/itest.cpp -o build/engine/itest.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/itest.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/itest.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/laguerre.cpp -o build/engine/laguerre.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/laguerre.cpp:27:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/laguerre.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/laplace.cpp -o build/engine/laplace.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/laplace.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/laplace.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/lcm.cpp -o build/engine/lcm.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/lcm.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/lcm.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/leading.cpp -o build/engine/leading.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/leading.cpp:14:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/leading.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/legendre.cpp -o build/engine/legendre.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/legendre.cpp:31:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/legendre.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/list.cpp -o build/engine/list.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/list.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/list.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/log.cpp -o build/engine/log.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/log.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/log.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/madd.cpp -o build/engine/madd.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/madd.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/madd.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mag.cpp -o build/engine/mag.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mag.cpp:31:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mag.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/main_engine.cpp -o build/engine/main_engine.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/main_engine.cpp:12:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/main_engine.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mcmp.cpp -o build/engine/mcmp.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mcmp.cpp:12:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mcmp.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mfactor.cpp -o build/engine/mfactor.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mfactor.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mfactor.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mgcd.cpp -o build/engine/mgcd.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mgcd.cpp:20:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mgcd.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/misc.cpp -o build/engine/misc.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/misc.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/misc.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mmodpow.cpp -o build/engine/mmodpow.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mmodpow.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mmodpow.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mmul.cpp -o build/engine/mmul.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mmul.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mmul.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mod.cpp -o build/engine/mod.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mod.cpp:3:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mod.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mpow.cpp -o build/engine/mpow.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mpow.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mpow.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mprime.cpp -o build/engine/mprime.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mprime.cpp:7:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mprime.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mroot.cpp -o build/engine/mroot.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mroot.cpp:12:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mroot.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mscan.cpp -o build/engine/mscan.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mscan.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mscan.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/msqrt.cpp -o build/engine/msqrt.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/msqrt.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/msqrt.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/mstr.cpp -o build/engine/mstr.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/mstr.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/mstr.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/multiply.cpp -o build/engine/multiply.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/multiply.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/multiply.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/nroots.cpp -o build/engine/nroots.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/nroots.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/nroots.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/numerator.cpp -o build/engine/numerator.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/numerator.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/numerator.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/outer.cpp -o build/engine/outer.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/outer.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/outer.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/partition.cpp -o build/engine/partition.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/partition.cpp:17:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/partition.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/polar.cpp -o build/engine/polar.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/polar.cpp:11:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/polar.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/pollard.cpp -o build/engine/pollard.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/pollard.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/pollard.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/power.cpp -o build/engine/power.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/power.cpp:11:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/power.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/prime.cpp -o build/engine/prime.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/prime.cpp:12:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/prime.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/primetab.cpp -o build/engine/primetab.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/primetab.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/primetab.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/print.cpp -o build/engine/print.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/print.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/print.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/product.cpp -o build/engine/product.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/product.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/product.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/qadd.cpp -o build/engine/qadd.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/qadd.cpp:10:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/qadd.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/qdiv.cpp -o build/engine/qdiv.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/qdiv.cpp:10:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/qdiv.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/qmul.cpp -o build/engine/qmul.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/qmul.cpp:10:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/qmul.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/qpow.cpp -o build/engine/qpow.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/qpow.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/qpow.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/qsub.cpp -o build/engine/qsub.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/qsub.cpp:10:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/qsub.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/quickfactor.cpp -o build/engine/quickfactor.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/quickfactor.cpp:14:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/quickfactor.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/quotient.cpp -o build/engine/quotient.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/quotient.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/quotient.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/rationalize.cpp -o build/engine/rationalize.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/rationalize.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/rationalize.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/real.cpp -o build/engine/real.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/real.cpp:12:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/real.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/rect.cpp -o build/engine/rect.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/rect.cpp:9:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/rect.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/rewrite.cpp -o build/engine/rewrite.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/rewrite.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/rewrite.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/roots.cpp -o build/engine/roots.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/roots.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/roots.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/run.cpp -o build/engine/run.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/run.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/run.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/scan.cpp -o build/engine/scan.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/scan.cpp:17:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/scan.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/sgn.cpp -o build/engine/sgn.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/sgn.cpp:1:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/sgn.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/simfac.cpp -o build/engine/simfac.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/simfac.cpp:29:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/simfac.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/simplify.cpp -o build/engine/simplify.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/simplify.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/simplify.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/sin.cpp -o build/engine/sin.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/sin.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/sin.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/sinh.cpp -o build/engine/sinh.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/sinh.cpp:6:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/sinh.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/stack.cpp -o build/engine/stack.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/stack.cpp:22:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/stack.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/subst.cpp -o build/engine/subst.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/subst.cpp:13:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/subst.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/sum.cpp -o build/engine/sum.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/sum.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/sum.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/symbol.cpp -o build/engine/symbol.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/symbol.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/symbol.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/tan.cpp -o build/engine/tan.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/tan.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/tan.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/tanh.cpp -o build/engine/tanh.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/tanh.cpp:6:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/tanh.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/taylor.cpp -o build/engine/taylor.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/taylor.cpp:11:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/taylor.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/tensor.cpp -o build/engine/tensor.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/tensor.cpp:3:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/tensor.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/test.cpp -o build/engine/test.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/test.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/test.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/transform.cpp -o build/engine/transform.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/transform.cpp:23:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/transform.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/transpose.cpp -o build/engine/transpose.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/transpose.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/transpose.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/userfunc.cpp -o build/engine/userfunc.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/userfunc.cpp:4:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/userfunc.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/variables.cpp -o build/engine/variables.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/variables.cpp:12:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/variables.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/vectorize.cpp -o build/engine/vectorize.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/vectorize.cpp:15:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/vectorize.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -c src/engine/zero.cpp -o build/engine/zero.cpp.o -m4a-nofpu -mhitachi  -mb -Os -nostdlib  -std=c++11 -W -Wall -Wno-main -pedantic -fno-exceptions -Iinclude/fx -Iinclude -Isrc 
In file included from src/defs.h:242,
                 from src/engine/zero.cpp:2:
include/math.h:28:10: fatal error: features.h: No such file or directory
 #include <features.h>
          ^~~~~~~~~~~~
compilation terminated.
make: [Makefile:124: build/engine/zero.cpp.o] Error 1 (ignored)
sh3eb-elf-g++ -m4a-nofpu -mhitachi  -mb -Os -nostdlib  build/crt0.s.o build/syscalls.s.o build/main.cpp.o build/config.c.o build/memory.c.o build/new.cpp.o build/console/console.cpp.o build/console/cursor.cpp.o build/console/display.cpp.o build/console/expr.cpp.o build/console/font.cpp.o build/console/key.cpp.o build/console/line.cpp.o build/console/node.cpp.o build/console/string.cpp.o build/console/symbol.cpp.o build/engine/abs.cpp.o build/engine/add.cpp.o build/engine/adj.cpp.o build/engine/alloc.cpp.o build/engine/append.cpp.o build/engine/arccos.cpp.o build/engine/arccosh.cpp.o build/engine/arcsin.cpp.o build/engine/arcsinh.cpp.o build/engine/arctan.cpp.o build/engine/arctanh.cpp.o build/engine/arg.cpp.o build/engine/atomize.cpp.o build/engine/bake.cpp.o build/engine/bignum.cpp.o build/engine/binomial.cpp.o build/engine/ceiling.cpp.o build/engine/choose.cpp.o build/engine/circexp.cpp.o build/engine/clear.cpp.o build/engine/clock.cpp.o build/engine/coeff.cpp.o build/engine/cofactor.cpp.o build/engine/condense.cpp.o build/engine/conj.cpp.o build/engine/cons.cpp.o build/engine/contract.cpp.o build/engine/cos.cpp.o build/engine/cosh.cpp.o build/engine/data.cpp.o build/engine/decomp.cpp.o build/engine/define.cpp.o build/engine/defint.cpp.o build/engine/degree.cpp.o build/engine/denominator.cpp.o build/engine/derivative.cpp.o build/engine/det.cpp.o build/engine/dirac.cpp.o build/engine/display.cpp.o build/engine/distill.cpp.o build/engine/divisors.cpp.o build/engine/dpow.cpp.o build/engine/dsolve.cpp.o build/engine/eigen.cpp.o build/engine/erf.cpp.o build/engine/erfc.cpp.o build/engine/eval.cpp.o build/engine/expand.cpp.o build/engine/expcos.cpp.o build/engine/expsin.cpp.o build/engine/factor.cpp.o build/engine/factorial.cpp.o build/engine/factorpoly.cpp.o build/engine/factors.cpp.o build/engine/filter.cpp.o build/engine/find.cpp.o build/engine/float.cpp.o build/engine/floor.cpp.o build/engine/for.cpp.o build/engine/gamma.cpp.o build/engine/gcd.cpp.o build/engine/guess.cpp.o build/engine/hermite.cpp.o build/engine/hilbert.cpp.o build/engine/imag.cpp.o build/engine/index.cpp.o build/engine/init.cpp.o build/engine/inner.cpp.o build/engine/integral.cpp.o build/engine/inv.cpp.o build/engine/is.cpp.o build/engine/isprime.cpp.o build/engine/itab.cpp.o build/engine/itest.cpp.o build/engine/laguerre.cpp.o build/engine/laplace.cpp.o build/engine/lcm.cpp.o build/engine/leading.cpp.o build/engine/legendre.cpp.o build/engine/list.cpp.o build/engine/log.cpp.o build/engine/madd.cpp.o build/engine/mag.cpp.o build/engine/main_engine.cpp.o build/engine/mcmp.cpp.o build/engine/mfactor.cpp.o build/engine/mgcd.cpp.o build/engine/misc.cpp.o build/engine/mmodpow.cpp.o build/engine/mmul.cpp.o build/engine/mod.cpp.o build/engine/mpow.cpp.o build/engine/mprime.cpp.o build/engine/mroot.cpp.o build/engine/mscan.cpp.o build/engine/msqrt.cpp.o build/engine/mstr.cpp.o build/engine/multiply.cpp.o build/engine/nroots.cpp.o build/engine/numerator.cpp.o build/engine/outer.cpp.o build/engine/partition.cpp.o build/engine/polar.cpp.o build/engine/pollard.cpp.o build/engine/power.cpp.o build/engine/prime.cpp.o build/engine/primetab.cpp.o build/engine/print.cpp.o build/engine/product.cpp.o build/engine/qadd.cpp.o build/engine/qdiv.cpp.o build/engine/qmul.cpp.o build/engine/qpow.cpp.o build/engine/qsub.cpp.o build/engine/quickfactor.cpp.o build/engine/quotient.cpp.o build/engine/rationalize.cpp.o build/engine/real.cpp.o build/engine/rect.cpp.o build/engine/rewrite.cpp.o build/engine/roots.cpp.o build/engine/run.cpp.o build/engine/scan.cpp.o build/engine/sgn.cpp.o build/engine/simfac.cpp.o build/engine/simplify.cpp.o build/engine/sin.cpp.o build/engine/sinh.cpp.o build/engine/stack.cpp.o build/engine/subst.cpp.o build/engine/sum.cpp.o build/engine/symbol.cpp.o build/engine/tan.cpp.o build/engine/tanh.cpp.o build/engine/taylor.cpp.o build/engine/tensor.cpp.o build/engine/test.cpp.o build/engine/transform.cpp.o build/engine/transpose.cpp.o build/engine/userfunc.cpp.o build/engine/variables.cpp.o build/engine/vectorize.cpp.o build/engine/zero.cpp.o -Taddin.ld -o build/eigenmath.elf -Llib -lc -lfx -lgcc
sh3eb-elf-g++: error: build/main.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/config.c.o: No such file or directory
sh3eb-elf-g++: error: build/memory.c.o: No such file or directory
sh3eb-elf-g++: error: build/new.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/abs.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/add.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/adj.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/alloc.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/append.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/arccos.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/arccosh.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/arcsin.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/arcsinh.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/arctan.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/arctanh.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/arg.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/atomize.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/bake.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/bignum.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/binomial.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/ceiling.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/choose.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/circexp.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/clear.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/clock.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/coeff.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/cofactor.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/condense.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/conj.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/cons.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/contract.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/cos.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/cosh.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/data.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/decomp.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/define.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/defint.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/degree.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/denominator.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/derivative.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/det.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/dirac.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/display.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/distill.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/divisors.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/dpow.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/dsolve.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/eigen.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/erf.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/erfc.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/eval.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/expand.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/expcos.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/expsin.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/factor.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/factorial.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/factorpoly.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/factors.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/filter.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/find.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/float.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/floor.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/for.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/gamma.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/gcd.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/guess.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/hermite.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/hilbert.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/imag.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/index.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/init.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/inner.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/integral.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/inv.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/is.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/isprime.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/itab.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/itest.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/laguerre.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/laplace.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/lcm.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/leading.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/legendre.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/list.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/log.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/madd.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mag.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/main_engine.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mcmp.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mfactor.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mgcd.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/misc.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mmodpow.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mmul.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mod.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mpow.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mprime.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mroot.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mscan.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/msqrt.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/mstr.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/multiply.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/nroots.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/numerator.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/outer.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/partition.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/polar.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/pollard.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/power.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/prime.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/primetab.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/print.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/product.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/qadd.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/qdiv.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/qmul.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/qpow.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/qsub.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/quickfactor.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/quotient.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/rationalize.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/real.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/rect.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/rewrite.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/roots.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/run.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/scan.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/sgn.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/simfac.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/simplify.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/sin.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/sinh.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/stack.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/subst.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/sum.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/symbol.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/tan.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/tanh.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/taylor.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/tensor.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/test.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/transform.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/transpose.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/userfunc.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/variables.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/vectorize.cpp.o: No such file or directory
sh3eb-elf-g++: error: build/engine/zero.cpp.o: No such file or directory
make: [Makefile:111: eigen.g1a] Error 1 (ignored)
sh3eb-elf-objcopy -R .comment -R .bss -O binary build/eigenmath.elf build/eigenmath.bin
sh3eb-elf-objcopy: 'build/eigenmath.elf': No such file
make: [Makefile:112: eigen.g1a] Error 1 (ignored)
g1a-wrapper build/eigenmath.bin -o eigen.g1a 
make: g1a-wrapper: Command not found
make: [Makefile:113: eigen.g1a] Error 127 (ignored)
Tout est au mieux dans le meilleur des mondes : c'est un succès