Split some cflags

Makefile

@@ -17,7 +17,10 @@ CFLAGS = -Wall -Werror -O
 CFLAGS += -Wno-unused-result
 CFLAGS += -mcmodel=medany
 CFLAGS += -march=rv64gc -mabi=lp64
-CFLAGS += -ffreestanding -fno-common -nostdlib -mno-relax
+CFLAGS += -ffreestanding
+CFLAGS += -fno-common
+CFLAGS += -nostdlib
+CFLAGS += -mno-relax
 
 CFLAGS += -fno-stack-protector # Prevents code that needs libc / runtime support
 CFLAGS += -MD # Generate header dependency files (.d)

kern/libkern/stdbool.h

@@ -0,0 +1,8 @@
+#ifndef _STDBOOL_H
+#define _STDBOOL_H
+
+/*TODO*/
+typedef char bool;
+enum { false = 0, true = 1 };
+
+#endif

kern/libkern/stdint.h

@@ -12,5 +12,3 @@ typedef unsigned long  uint64_t;
 typedef uint64_t       size_t;
 
 typedef uint64_t uintptr_t;
-
-typedef u8 bool;