From 23fcea16e56cd154f995208a0443e3d8c18bd8bf Mon Sep 17 00:00:00 2001
From: Axel Ricard <axel.ricard@allegrodvt.com>
Date: Tue, 22 Nov 2022 13:15:41 +0100
Subject: Don't ignore documentation-related flags for D compilers

Fixes #11085
---
 mesonbuild/compilers/d.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'mesonbuild/compilers/d.py')

diff --git a/mesonbuild/compilers/d.py b/mesonbuild/compilers/d.py
index c7e3b77..cd67d5a 100644
--- a/mesonbuild/compilers/d.py
+++ b/mesonbuild/compilers/d.py
@@ -315,7 +315,9 @@ class DmdLikeCompilerMixin(CompilerMixinBase):
                 continue
             if arg.startswith('-fstack-protector'):
                 continue
-            if arg.startswith('-D'):
+            if arg.startswith('-D') and not (arg == '-D' or arg.startswith(('-Dd', '-Df'))):
+                # ignore all '-D*' flags (like '-D_THREAD_SAFE')
+                # unless they are related to documentation
                 continue
             if arg.startswith('-Wl,'):
                 # Translate linker arguments here.
-- 
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