diff --git a/README.md b/README.md
index eadb3bd..2566cff 100644
--- a/README.md
+++ b/README.md
@@ -74,6 +74,7 @@ Options:
         --git-sha SHA                Override detected git SHA of specified branch allowing builds of old commits
         --[no-]xwidgets              Enable/disable XWidgets if supported (default: enabled)
         --[no-]native-comp           Enable/disable native-comp (default: enabled if supported)
+        --[no-]native-march          Enable/disable -march=native CFLAG(default: disabled)
         --[no-]native-full-aot       Enable/disable NATIVE_FULL_AOT / Ahead of Time compilation (default: disabled)
         --[no-]rsvg                  Enable/disable SVG image support via librsvg (default: enabled)
         --no-titlebar                Apply no-titlebar patch (default: disabled)
diff --git a/build-emacs-for-macos b/build-emacs-for-macos
index cd3fc27..2b81054 100755
--- a/build-emacs-for-macos
+++ b/build-emacs-for-macos
@@ -267,7 +267,7 @@ class Build
           "-I#{File.join(gcc_info.root_dir, 'include')}",
           "-I#{File.join(gcc_info.libgccjit_root_dir, 'include')}",
           '-O2',
-          '-march=native',
+          (options[:native_march] ? '-march=native' : nil),
           ENV['CFLAGS']
         ].compact.join(' ')
 
@@ -904,6 +904,7 @@ if __FILE__ == $PROGRAM_NAME
   cli_options = {
     work_dir: File.expand_path(__dir__),
     native_full_aot: false,
+    native_march: false,
     parallel: Etc.nprocessors,
     rsvg: true,
     xwidgets: true,
@@ -945,6 +946,12 @@ if __FILE__ == $PROGRAM_NAME
         cli_options[:native_comp] = v
       end
 
+      opts.on('--[no-]native-march',
+              'Enable/disable -march=native CFLAG' \
+              '(default: disabled)') do |v|
+        cli_options[:native_march] = v
+      end
+
       opts.on('--[no-]native-full-aot',
               'Enable/disable NATIVE_FULL_AOT / Ahead of Time compilation ' \
               '(default: disabled)') do |v|