diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5da1a1d..4d5a362 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,13 +23,17 @@ configure_file(config.h.in config.h)
 
 set(XT_PREFIXES ${RISCV_TOOL_PREFIX})
 if(NOT XT_PREFIXES)
-      find_program(GCC_TEST riscv32-unknown-linux-gnu-gcc)
-      if (GCC_TEST)
+      find_program(GCC_TEST_32 riscv32-unknown-linux-gnu-gcc)
+      find_program(GCC_TEST_64 riscv64-unknown-elf-gcc)
+      if (GCC_TEST_32)
         set(XT_PREFIXES riscv32-unknown-linux-gnu- 
           ${XT_PREFIXES})
-      else ()
+      elseif (GCC_TEST_64)
         set(XT_PREFIXES riscv64-unknown-elf- 
           ${XT_PREFIXES})
+      else ()
+        set(XT_PREFIXES riscv64-elf-
+        ${XT_PREFIXES})
       endif()
 endif()
 
diff --git a/README.md b/README.md
index 3290cde..dcfa300 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,18 @@ SPDX-License-Identifier: GPL-3.0-or-later
 mkdir -p build && cd build && cmake .. && make && sudo make install 
 ```
 
+#### Compilare l'emulatore su Arch Linux
+Installazione delle dipendenze:
+```bash
+sudo pacman -S riscv64-elf-gcc boost
+```
+Clonazione e compilazione di uriscv:
+```bash
+git clone https://github.com/virtualsquare/uriscv
+cd uriscv
+mkdir -p build && cd build && cmake .. && make && sudo make install 
+```
+
 ### Eseguire l'emulatore
 ```bash
 uriscv-cli