Add ARMCGT arch

src/arch.h

@@ -15,6 +15,7 @@
 #define MG_ARCH_ARMCC 12        // Keil MDK-Core with Configuration Wizard
 #define MG_ARCH_CMSIS_RTOS2 13  // CMSIS-RTOS API v2 (Keil RTX5, FreeRTOS)
 #define MG_ARCH_RTTHREAD 14     // RT-Thread RTOS
+#define MG_ARCH_ARMCGT 15       // Texas Semi ARM-CGT
 
 #if !defined(MG_ARCH)
 #if defined(__unix__) || defined(__APPLE__)

src/arch_armcgt.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#if MG_ARCH == MG_ARCH_ARMCGT
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <time.h>
+
+#define MG_PATH_MAX 100
+#define MG_ENABLE_SOCKET 0
+#define MG_ENABLE_DIRLIST 0
+
+#endif