From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Fri, 25 Jul 2025 15:35:34 +0000 (+0200)
Subject: meson: add instructions for adding new arch to syscall.h
X-Git-Tag: v258-rc2~85^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5e405f612e9f01c076ac4c65aa7a7e547c878cfc;p=thirdparty%2Fsystemd.git

meson: add instructions for adding new arch to syscall.h
---

diff --git a/src/include/override/sys/generate-syscall.py b/src/include/override/sys/generate-syscall.py
index 2a03623dbbd..8110d21ae8b 100644
--- a/src/include/override/sys/generate-syscall.py
+++ b/src/include/override/sys/generate-syscall.py
@@ -39,6 +39,9 @@ HEADER = '''\
  *
  * Use 'ninja -C build update-syscall-tables' to download new syscall tables,
  * and 'ninja -C build update-syscall-header' to regenerate this file.
+ *
+ * To add a new architecture, extend the arch_list list in meson.build
+ * and the template in generate-syscall.py and then run the above commands.
  */
 #pragma once
 
diff --git a/src/include/override/sys/meson.build b/src/include/override/sys/meson.build
index b66f9d055fd..1768650b348 100644
--- a/src/include/override/sys/meson.build
+++ b/src/include/override/sys/meson.build
@@ -31,7 +31,9 @@ syscall_list_txt = files('syscall-list.txt')
 
 syscall_lists = []
 foreach arch: arch_list
-        syscall_lists += files('syscalls-@0@.txt'.format(arch))
+        # We don't use files() here so that the 'update-syscall-tables' call
+        # above can run if arch_list is extended.
+        syscall_lists += meson.current_source_dir() / 'syscalls-@0@.txt'.format(arch)
 endforeach
 
 generate_syscall_py = find_program('generate-syscall.py')
diff --git a/src/include/override/sys/syscall.h b/src/include/override/sys/syscall.h
index f069e5f3c2f..f01803bae22 100644
--- a/src/include/override/sys/syscall.h
+++ b/src/include/override/sys/syscall.h
@@ -3,6 +3,9 @@
  *
  * Use 'ninja -C build update-syscall-tables' to download new syscall tables,
  * and 'ninja -C build update-syscall-header' to regenerate this file.
+ *
+ * To add a new architecture, extend the arch_list list in meson.build
+ * and the template in generate-syscall.py and then run the above commands.
  */
 #pragma once