build system fixes to ensure GRUB compatibility and resolve the missing symbol issues

Author: PythonPlumber

Makefile

@@ -5,7 +5,7 @@ OBJCOPY := i686-linux-gnu-objcopy
 
 CFLAGS := -ffreestanding -O2 -Wall -Wextra -m32 -fno-pie -fno-stack-protector -nostdlib -nostdinc -Iinclude -msse -msse2
 ASFLAGS := -f elf32
-LDFLAGS := -T linker.ld -nostdlib -m32
+LDFLAGS := -T linker.ld -nostdlib -m32 -Wl,-z,noexecstack
 
 SRC_DIR := src
 BUILD_DIR := build

linker.ld

@@ -5,30 +5,30 @@ SECTIONS
     . = 1M;
 
     .text BLOCK(4K) : ALIGN(4K)
-    .text : {
+    {
         *(.multiboot)
         *(.text*)
     }
 
     .rodata BLOCK(4K) : ALIGN(4K)
-    .rodata : {
+    {
         *(.rodata*)
     }
 
     .ai_model BLOCK(4K) : ALIGN(4K)
-    .ai_model : {
+    {
         _ai_model_start = .;
         KEEP(*(.ai_model*))
         _ai_model_end = .;
     }
 
     .data BLOCK(4K) : ALIGN(4K)
-    .data : {
+    {
         *(.data*)
     }
 
     .bss BLOCK(4K) : ALIGN(4K)
-    .bss : {
+    {
         *(COMMON)
         *(.bss*)
     }