shithub: dav1d

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ref: 6ceb29d2a6cabf5b9ee747f8286c7ea02080fe8c
parent: 9caabc7bda6d22c5bd1c0ea2b8e6c770654eb911
author: Martin Storsjö <[email protected]>
date: Wed Feb 13 17:06:17 EST 2019

meson: Add an undocumented option for overriding stack alignment

This is intended only for use in CI testing.

--- a/meson.build
+++ b/meson.build
@@ -214,7 +214,9 @@
 stackrealign_flag = []
 
 if host_machine.cpu_family().startswith('x86')
-    if host_machine.cpu_family() == 'x86_64'
+    if get_option('stack_alignment') > 0
+        stack_alignment = get_option('stack_alignment')
+    elif host_machine.cpu_family() == 'x86_64'
         if cc.has_argument('-mpreferred-stack-boundary=5')
             stackalign_flag = ['-mpreferred-stack-boundary=5']
             stackrealign_flag = ['-mincoming-stack-boundary=4']
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -35,3 +35,7 @@
     choices : ['none', 'libfuzzer', 'oss-fuzz'],
     value: 'none',
     description: 'Select the fuzzing engine')
+
+option('stack_alignment',
+    type: 'integer',
+    value: 0)