From: bbhtt <bbhtt.zn0i8@slmail.me>
Date: Sat, 16 May 2026 06:48:17 +0000 (+0530)
Subject: configure: Ignore typedef-redefinition warnings with Clang
X-Git-Tag: archive/raspbian/2026.4-1+rpi1^2~9^2~1^2~12^2~1
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=f7d7546c93daa4491594b88976f199408c8326c5;p=ostree.git

configure: Ignore typedef-redefinition warnings with Clang

redefinition is legal in C11 and before that via gcc extension

Fixes: https://github.com/ostreedev/ostree/issues/3590
---

diff --git a/configure.ac b/configure.ac
index 934beebd..eacbabbd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,6 +53,12 @@ CC_CHECK_FLAGS_APPEND([WARN_CFLAGS], [CFLAGS], [\
   -Wstrict-aliasing=2 \
   -Werror=unused-result \
 ])])
+
+AS_CASE([$CC], [*clang*], [
+  CC_CHECK_FLAGS_APPEND([WARN_CFLAGS], [CFLAGS],
+                        [-Wno-typedef-redefinition])
+])
+
 AC_SUBST(WARN_CFLAGS)
 
 AC_ARG_ENABLE(sanitizers,