From 149717a4339a60c8d68cc490459981bd3ed7f8e9 Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Fri, 13 Feb 2026 12:19:20 +0100
Subject: add upstream patch fixing build with GCC 16

---
 build.patch | 28 ++++++++++++++++++++++++++++
 vips.spec   |  8 +++++++-
 2 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 build.patch

diff --git a/build.patch b/build.patch
new file mode 100644
index 0000000..561a9e1
--- /dev/null
+++ b/build.patch
@@ -0,0 +1,28 @@
+From abb4dfad9e446e77396de9e93003af5be7aa18da Mon Sep 17 00:00:00 2001
+From: Kleis Auke Wolthuizen <github@kleisauke.nl>
+Date: Sun, 18 Jan 2026 12:15:33 +0100
+Subject: [PATCH] memory: fix `VIPS_FREEF` for expression-like macros (#4836)
+
+Ensure the macro works correctly when F expands to an expression,
+such as `g_free()` using `free_sized()` (as available in the
+upcoming glibc 2.43).
+
+Resolves: #4835.
+---
+ ChangeLog                     | 1 +
+ libvips/include/vips/memory.h | 2 +-
+ 2 files changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/libvips/include/vips/memory.h b/libvips/include/vips/memory.h
+index 93e669340b..7073d1ea6a 100644
+--- a/libvips/include/vips/memory.h
++++ b/libvips/include/vips/memory.h
+@@ -41,7 +41,7 @@ extern "C" {
+ 	G_STMT_START \
+ 	{ \
+ 		if (S) { \
+-			(void) F((S)); \
++			(void) (F((S))); \
+ 			(S) = 0; \
+ 		} \
+ 	} \
diff --git a/vips.spec b/vips.spec
index 600333e..7102450 100644
--- a/vips.spec
+++ b/vips.spec
@@ -65,13 +65,15 @@
 
 Name:           vips
 Version:        %{vips_version}%{?vips_prever:~%{vips_prever}}
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        C/C++ library for processing large images
 
 License:        LGPL-2.1-or-later
 URL:            https://www.libvips.org/
 Source0:        https://github.com/libvips/libvips/releases/download/v%{vips_tagver}/vips-%{vips_tagver}.tar.xz
 
+Patch0:         build.patch
+
 BuildRequires:  gcc
 BuildRequires:  gcc-c++
 # see https://github.com/libvips/libvips/issues/4558
@@ -316,6 +318,7 @@ exit 1
 %endif
 
 %setup -q -n vips-%{vips_version}
+%patch -P0 -p1
 
 cat << 'EOF' | tee DOC_README
 
@@ -492,6 +495,9 @@ export CXXFLAGS="%{optflags} -ftree-vectorize"
 
 
 %changelog
+* Fri Feb 13 2026 Remi Collet <remi@remirepo.net> - 8.18.0-2
+- add upstream patch fixing build with GCC 16
+
 * Wed Dec 17 2025 Remi Collet <remi@remirepo.net> - 8.18.0-1
 - update to 8.18.0
 
-- 
cgit