[Valgrind-developers] [valgrind] Darwin warnings: add options to turn off warnings from system headers

[Paul F. <pa...@so...>]

https://sourceware.org/cgit/valgrind/commit/?id=8b901a6ca28b80e5ebaef33bc36f95163ae58dc1

commit 8b901a6ca28b80e5ebaef33bc36f95163ae58dc1
Author: Paul Floyd <pj...@wa...>
Date:   Wed Dec 10 13:35:49 2025 +0100

    Darwin warnings: add options to turn off warnings from system headers
    
    Darwin 18 / clang 11 are quite noisy with nullability and expansion
    to defined warnings in the system headers.

Diff:
---
 Makefile.all.am | 1 +
 configure.ac    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/Makefile.all.am b/Makefile.all.am
index df78960167..154585dce3 100644
--- a/Makefile.all.am
+++ b/Makefile.all.am
@@ -151,6 +151,7 @@ if VGCONF_OS_IS_DARWIN
 AM_CFLAGS_PSO_BASE = -dynamic \
 		     -O -g -fno-omit-frame-pointer -fno-strict-aliasing \
 		     -fpic -fPIC -fno-builtin @FLAG_FNO_IPA_ICF@
+AM_CFLAGS_BASE += @FLAG_W_NO_EXPANSION_TO_DEFINED@ @FLAG_W_NO_NULLABILITY_COMPLETENESS@
 else
 if VGCONF_OS_IS_FREEBSD
 AM_CFLAGS_PSO_BASE = -O -g -fno-omit-frame-pointer -fno-strict-aliasing \
diff --git a/configure.ac b/configure.ac
index 40330fdc31..5deb338fa3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2749,6 +2749,7 @@ AC_GCC_WARNING_SUBST_NO([deprecated], [FLAG_W_NO_DEPRECATED])
 # OK for 32 and 64 bit
 AC_GCC_WARNING_SUBST_NO([alloc-size], [FLAG_W_NO_ALLOC_SIZE])
 AC_GCC_WARNING_SUBST_NO([deprecated-declarations], [FLAG_W_NO_DEPRECATED_DECLARATIONS])
+AC_GCC_WARNING_SUBST_NO([nullability-completeness], [FLAG_W_NO_NULLABILITY_COMPLETENESS])
 
 AC_GCC_WARNING_SUBST([write-strings], [FLAG_W_WRITE_STRINGS])
 AC_GCC_WARNING_SUBST([empty-body], [FLAG_W_EMPTY_BODY])