diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 1036017..a4784f4 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -18,13 +18,19 @@ jobs:
     build:
         name: Build
         runs-on: macos-latest
+        # Set environment variables
+        #env:
+            # We globally set CC and CXX.
+        #    CC: x86_64-elf-gcc
+        #    CXX: x86_64-elf-g++
         steps:
             - name: Clone repository
               uses: actions/checkout@v3
             - name: Install dependencies
               run: |
-                brew install x86_64-elf-gcc git cmake nasm
+                brew install git cmake nasm
+            # x86_64-elf-binutils x86_64-elf-gcc 
             - name: Build
               run: |
-                  cmake -DCMAKE_C_COMPILER=x86_64-elf-gcc -DCMAKE_CXX_COMPILER=x86_64-elf-g++ -B build
+                  cmake -B build
                   cmake --build build --parallel 2
diff --git a/libc/CMakeLists.txt b/libc/CMakeLists.txt
index 3c96674..59a7bed 100644
--- a/libc/CMakeLists.txt
+++ b/libc/CMakeLists.txt
@@ -29,6 +29,12 @@ else()
     set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> -f elf -g -O3 -o <OBJECT> <SOURCE>")
 endif()
 
+
+if((${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Darwin") OR APPLE)
+    set(CMAKE_C_COMPILER x86_64-elf-gcc)
+    set(CMAKE_CXX_COMPILER x86_64-elf-g++)
+endif()
+
 # =============================================================================
 # C WARNINGs
 # =============================================================================
diff --git a/mentos/CMakeLists.txt b/mentos/CMakeLists.txt
index ddbeb0c..af0f679 100644
--- a/mentos/CMakeLists.txt
+++ b/mentos/CMakeLists.txt
@@ -47,6 +47,11 @@ else()
     set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> -f elf -g -O3 -o <OBJECT> <SOURCE>")
 endif()
 
+if((${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Darwin") OR APPLE)
+    set(CMAKE_C_COMPILER x86_64-elf-gcc)
+    set(CMAKE_CXX_COMPILER x86_64-elf-g++)
+endif()
+
 # =============================================================================
 # C WARNINGs
 # =============================================================================
diff --git a/programs/CMakeLists.txt b/programs/CMakeLists.txt
index 1c016ea..d7bd9ab 100644
--- a/programs/CMakeLists.txt
+++ b/programs/CMakeLists.txt
@@ -6,6 +6,11 @@ cmake_minimum_required(VERSION 3.1...3.22)
 # Initialize the project.
 project(programs C)
 
+if((${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Darwin") OR APPLE)
+    set(CMAKE_C_COMPILER x86_64-elf-gcc)
+    set(CMAKE_CXX_COMPILER x86_64-elf-g++)
+endif()
+
 # =============================================================================
 # List of programs.
 # =============================================================================
diff --git a/programs/tests/CMakeLists.txt b/programs/tests/CMakeLists.txt
index 59bd3d3..971483b 100644
--- a/programs/tests/CMakeLists.txt
+++ b/programs/tests/CMakeLists.txt
@@ -6,6 +6,11 @@ cmake_minimum_required(VERSION 3.1...3.22)
 # Initialize the project.
 project(tests C)
 
+if((${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Darwin") OR APPLE)
+    set(CMAKE_C_COMPILER x86_64-elf-gcc)
+    set(CMAKE_CXX_COMPILER x86_64-elf-g++)
+endif()
+
 # =============================================================================
 # List of programs.
 # =============================================================================