From 7253b7da10a2aab72b451d4239c38de6ba0901c8 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 17 Dec 2021 08:07:14 +0530
Subject: [PATCH] Command to build linux ARM intaller

---
 setup/commands.py   |  6 +++---
 setup/installers.py | 17 ++++++++++++-----
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/setup/commands.py b/setup/commands.py
index b095e31024..84c8eb634b 100644
--- a/setup/commands.py
+++ b/setup/commands.py
@@ -19,12 +19,12 @@ __all__ = [
     'upload_installers',
     'upload_user_manual', 'upload_demo', 'reupload',
     'stage1', 'stage2', 'stage3', 'stage4', 'stage5', 'publish', 'publish_betas',
-    'linux', 'linux32', 'linux64', 'win', 'win32', 'win64', 'osx', 'build_dep',
+    'linux', 'linux32', 'linux64', 'linuxarm64', 'win', 'win32', 'win64', 'osx', 'build_dep',
     'export_packages', 'hyphenation', 'liberation_fonts', 'csslint'
 ]
 
-from setup.installers import Linux, Win, OSX, Linux32, Linux64, Win32, Win64, ExtDev, BuildDep, ExportPackages
-linux, linux32, linux64 = Linux(), Linux32(), Linux64()
+from setup.installers import Linux, Win, OSX, Linux32, Linux64, LinuxArm64, Win32, Win64, ExtDev, BuildDep, ExportPackages
+linux, linux32, linux64, linuxarm64 = Linux(), Linux32(), Linux64(), LinuxArm64()
 win, win32, win64 = Win(), Win32(), Win64()
 osx = OSX()
 extdev = ExtDev()
diff --git a/setup/installers.py b/setup/installers.py
index 6b6ab9b9f3..28058a73f6 100644
--- a/setup/installers.py
+++ b/setup/installers.py
@@ -140,24 +140,30 @@ class BuildInstaller(Command):
 class BuildInstallers(BuildInstaller):
 
     OS = ''
+    ALL_ARCHES = '64', '32'
 
     def run(self, opts):
-        bits = '64 32'.split()
-        for bitness in bits:
-            shutdown = bitness is bits[-1] and not opts.dont_shutdown
+        for bitness in self.ALL_ARCHES:
+            shutdown = bitness is self.ALL_ARCHES[-1] and not opts.dont_shutdown
             build_single(self.OS, bitness, shutdown)
 
 
 class Linux32(BuildInstaller):
     OS = 'linux'
     BITNESS = '32'
-    description = 'Build the 32-bit linux calibre installer'
+    description = 'Build the 32-bit Linux calibre installer'
 
 
 class Linux64(BuildInstaller):
     OS = 'linux'
     BITNESS = '64'
-    description = 'Build the 64-bit linux calibre installer'
+    description = 'Build the 64-bit Linux calibre installer'
+
+
+class LinuxArm64(BuildInstaller):
+    OS = 'linux'
+    BITNESS = 'arm64'
+    description = 'Build the 64-bit ARM Linux calibre installer'
 
 
 class Win32(BuildInstaller):
@@ -178,6 +184,7 @@ class OSX(BuildInstaller):
 
 class Linux(BuildInstallers):
     OS = 'linux'
+    ALL_ARCHES = '64', '32', 'arm64'
 
 
 class Win(BuildInstallers):