Add parentheses to match expressions on following lines. This changed expression, as == has precedence over ^, but truth table of expression is anyway the same regardless of parentheses.
In file included from sketch/ConfigurationStore.cpp:4:0:
sketch/ultralcd.h:40:15: warning: 'void lcd_selftest_v()' declared 'static' but never defined [-Wunused-function]
static void lcd_selftest_v();
^
sketch/ultralcd.h:42:15: warning: 'bool lcd_selfcheck_endstops()' declared 'static' but never defined [-Wunused-function]
static bool lcd_selfcheck_endstops();
^
sketch/ultralcd.h:45:15: warning: 'void reset_crash_det(char)' declared 'static' but never defined [-Wunused-function]
static void reset_crash_det(char axis);
^
sketch/ultralcd.h:46:15: warning: 'bool lcd_selfcheck_axis_sg(char)' declared 'static' but never defined [-Wunused-function]
static bool lcd_selfcheck_axis_sg(char axis);
^
sketch/ultralcd.h:47:15: warning: 'bool lcd_selfcheck_axis(int, int)' declared 'static' but never defined [-Wunused-function]
static bool lcd_selfcheck_axis(int _axis, int _travel);
^
sketch/ultralcd.h:54:15: warning: 'bool lcd_selfcheck_check_heater(bool)' declared 'static' but never defined [-Wunused-function]
static bool lcd_selfcheck_check_heater(bool _isbed);
^
sketch/ultralcd.h:55:15: warning: 'int lcd_selftest_screen(int, int, int, bool, int)' declared 'static' but never defined [-Wunused-function]
static int lcd_selftest_screen(int _step, int _progress, int _progress_scale, bool _clear, int _delay);
^
sketch/ultralcd.h:56:15: warning: 'void lcd_selftest_screen_step(int, int, int, const char*, const char*)' declared 'static' but never defined [-Wunused-function]
static void lcd_selftest_screen_step(int _row, int _col, int _state, const char *_name, const char *_indicator);
^
sketch/ultralcd.h:57:15: warning: 'bool lcd_selftest_manual_fan_check(int, bool)' declared 'static' but never defined [-Wunused-function]
static bool lcd_selftest_manual_fan_check(int _fan, bool check_opposite);
^
sketch/ultralcd.h:58:15: warning: 'bool lcd_selftest_fan_dialog(int)' declared 'static' but never defined [-Wunused-function]
static bool lcd_selftest_fan_dialog(int _fan);
^
sketch/ultralcd.h:59:15: warning: 'bool lcd_selftest_fsensor()' declared 'static' but never defined [-Wunused-function]
static bool lcd_selftest_fsensor();
^
sketch/ultralcd.h:60:15: warning: 'void lcd_selftest_error(int, const char*, const char*)' declared 'static' but never defined [-Wunused-function]
static void lcd_selftest_error(int _error_no, const char *_error_1, const char *_error_2);
sketch/ultralcd.h:68:24: warning: 'blink' defined but not used [-Wunused-variable]
static unsigned char blink = 0; // Variable for visualization of fan rotation in GLCD
sketch/ultralcd.h:222:13: warning: 'void lcd_colorprint_change()' declared 'static' but never defined [-Wunused-function]
static void lcd_colorprint_change();
^
sketch/ultralcd.h:223:12: warning: 'int get_ext_nr()' declared 'static' but never defined [-Wunused-function]
static int get_ext_nr();
^
sketch/ultralcd.h:225:13: warning: 'void extr_adj_0()' declared 'static' but never defined [-Wunused-function]
static void extr_adj_0();
^
sketch/ultralcd.h:226:13: warning: 'void extr_adj_1()' declared 'static' but never defined [-Wunused-function]
static void extr_adj_1();
^
sketch/ultralcd.h:227:13: warning: 'void extr_adj_2()' declared 'static' but never defined [-Wunused-function]
static void extr_adj_2();
^
sketch/ultralcd.h:228:13: warning: 'void extr_adj_3()' declared 'static' but never defined [-Wunused-function]
static void extr_adj_3();
^
sketch/ultralcd.h:229:13: warning: 'void fil_load_menu()' declared 'static' but never defined [-Wunused-function]
static void fil_load_menu();
^
sketch/ultralcd.h:230:13: warning: 'void fil_unload_menu()' declared 'static' but never defined [-Wunused-function]
static void fil_unload_menu();
^
sketch/ultralcd.h:231:13: warning: 'void extr_unload_0()' declared 'static' but never defined [-Wunused-function]
static void extr_unload_0();
^
sketch/ultralcd.h:232:13: warning: 'void extr_unload_1()' declared 'static' but never defined [-Wunused-function]
static void extr_unload_1();
^
sketch/ultralcd.h:233:13: warning: 'void extr_unload_2()' declared 'static' but never defined [-Wunused-function]
static void extr_unload_2();
^
sketch/ultralcd.h:234:13: warning: 'void extr_unload_3()' declared 'static' but never defined [-Wunused-function]
static void extr_unload_3();
^
sketch/ultralcd.h:235:13: warning: 'void lcd_disable_farm_mode()' declared 'static' but never defined [-Wunused-function]
static void lcd_disable_farm_mode();
^
sketch/ultralcd.h:236:13: warning: 'void lcd_set_fan_check()' declared 'static' but never defined [-Wunused-function]
static void lcd_set_fan_check();
^
sketch/ultralcd.h:240:13: warning: 'char snmm_stop_print_menu()' declared 'static' but never defined [-Wunused-function]
static char snmm_stop_print_menu();
^
sketch/ultralcd.h:242:14: warning: 'void lcd_sort_type_set()' declared 'static' but never defined [-Wunused-function]
static void lcd_sort_type_set();
^
sketch/ultralcd.h:244:14: warning: 'float count_e(float, float, float)' declared 'static' but never defined [-Wunused-function]
static float count_e(float layer_heigth, float extrusion_width, float extrusion_length);
^
sketch/ultralcd.h:245:13: warning: 'void lcd_babystep_z()' declared 'static' but never defined [-Wunused-function]
static void lcd_babystep_z();
^
sketch/ultralcd.h:290:13: warning: 'void lcd_send_status()' declared 'static' but never defined [-Wunused-function]
static void lcd_send_status();
^
sketch/ultralcd.h:291:13: warning: 'void lcd_connect_printer()' declared 'static' but never defined [-Wunused-function]
static void lcd_connect_printer();
sketch/ultralcd.h:227:13: warning: 'char snmm_stop_print_menu()' declared 'static' but never defined [-Wunused-function]
static char snmm_stop_print_menu();
^
sketch/ultralcd.h:229:14: warning: 'void lcd_sort_type_set()' declared 'static' but never defined [-Wunused-function]
static void lcd_sort_type_set();
^
sketch/ultralcd.h:231:14: warning: 'float count_e(float, float, float)' declared 'static' but never defined [-Wunused-function]
static float count_e(float layer_heigth, float extrusion_width, float extrusion_length);
^
sketch/ultralcd.h:232:13: warning: 'void lcd_babystep_z()' declared 'static' but never defined [-Wunused-function]
static void lcd_babystep_z();
In file included from sketch/ConfigurationStore.cpp:4:0:
sketch/ultralcd.h:12:14: warning: 'void lcd_language_menu()' declared 'static' but never defined [-Wunused-function]
static void lcd_language_menu();
