gnu: openexr-2: Fix build with gcc-14.

* gnu/packages/patches/openexr-2-gcc-14.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
* gnu/packages/graphics.scm (openexr-2)[source]: Use it.

Change-Id: I050731f989581a8a6255ad46a4ede5493e2bed87

gnu/local.mk

@@ -1969,6 +1969,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/openboardview-use-system-mpc.patch	\
   %D%/packages/patches/openbox-add-fix-for-glib2-exposed-segfault.patch \
   %D%/packages/patches/openbox-python3.patch			\
+  %D%/packages/patches/openexr-2-gcc-14.patch			\
   %D%/packages/patches/openjdk-currency-time-bomb.patch		\
   %D%/packages/patches/openjdk-currency-time-bomb2.patch	\
   %D%/packages/patches/openjdk-9-pointer-comparison.patch       \

gnu/packages/graphics.scm

@@ -1578,6 +1578,8 @@ with strong support for multi-part, multi-channel use cases.")
     (version (package-version ilmbase))
     (source (origin
               (inherit (package-source ilmbase))
+              (patches (append (origin-patches (package-source ilmbase))
+                               (search-patches "openexr-2-gcc-14.patch")))
               (file-name (git-file-name "openexr" version))))
     (build-system cmake-build-system)
     (arguments

gnu/packages/patches/openexr-2-gcc-14.patch

@@ -0,0 +1,33 @@
+Upstream-status: Not presented upstream.
+
+--- openexr-2.5.7-checkout/OpenEXR/IlmImf/ImfHuf.cpp	1970-01-01 01:00:01.000000000 +0100
++++ openexr-2.5.7-checkout/OpenEXR/IlmImf/ImfHuf.cpp	2025-01-01 14:56:18.414434903 +0100
+@@ -53,6 +53,7 @@
+ #include <cstring>
+ #include <cassert>
+ #include <algorithm>
++#include <cstdint>
+ 
+ 
+ using namespace std;
+--- openexr-2.5.7-checkout/OpenEXR/IlmImf/ImfDwaCompressor.cpp	1970-01-01 01:00:01.000000000 +0100
++++ openexr-2.5.7-checkout/OpenEXR/IlmImf/ImfDwaCompressor.cpp	2025-01-01 15:03:40.654686929 +0100
+@@ -159,6 +159,7 @@
+ #include <limits>
+ 
+ #include <cstddef>
++#include <cstdint>
+ 
+ 
+ // Windows specific addition to prevent the indirect import of the redefined min/max macros
+--- openexr-2.5.7-checkout/OpenEXR/IlmImf/ImfMisc.cpp	1970-01-01 01:00:01.000000000 +0100
++++ openexr-2.5.7-checkout/OpenEXR/IlmImf/ImfMisc.cpp	2025-01-01 15:09:40.591441901 +0100
+@@ -54,6 +54,8 @@
+ #include <ImfTileDescription.h>
+ #include "ImfNamespace.h"
+ 
++#include <cstdint>
++
+ OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
+ 
+ using IMATH_NAMESPACE::Box2i;