Re: [PATCH 1/5] clangd: Add _GNU_SOURCE to default clangd options

21 Aug 2026

On 8/21/26 07:03, David Gibson wrote:
...
We always insert -D_GNU_SOURCE and -D_XOPEN_SOURCE=700 when compiling from
the Makefile, and we rely on it.  Without these listed in .clangd, clangd
will generate numerous spurious warnings.
Signed-off-by: David Gibson 
---
  .clangd | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.clangd b/.clangd
index 41bec92a..51baf737 100644
--- a/.clangd
+++ b/.clangd
@@ -1,3 +1,3 @@
  CompileFlags:
      # Don't try to interpret our headers as C++'
-    Add: [-xc, -Wall]
+    Add: [-xc, -Wall, -D_XOPEN_SOURCE=700, -D_GNU_SOURCE]
Reviewed-by: Laurent Vivier 

    