When building without optimization on clang, certain big functions trip
the stack size limit despite not actually reaching it. Relax the stack
limit size for clang without optimization.
Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
meson.build | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/meson.build b/meson.build
index 6b6f7ccb7c..d29761bc71 100644
--- a/meson.build
+++ b/meson.build
@@ -247,8 +247,17 @@ alloc_max = run_command(
check: true,
)
+stack_frame_size = 2048
+
+# clang without optimization enlarges stack frames in certain corner cases
+if cc.get_id() == 'clang' and get_option('optimization') == '0'
+ stack_frame_size = 4096
+endif
+
# sanitizer instrumentation may enlarge stack frames
-stack_frame_size = get_option('b_sanitize') == 'none' ? 2048 : 32768
+if get_option('b_sanitize') == 'none'
+ stack_frame_size == 32768
+endif
# array_bounds=2 check triggers false positive on some GCC
# versions when using sanitizers. Seen on Fedora 34 with
--
2.41.0
