overlay sys-fs/overlaybd: Another patch fixing build with gcc 15

This time in overlaybd itself. Also regenerate the offline build
patch, so it can be easily applied using `git am`.

Signed-off-by: Krzesimir Nowak <knowak@microsoft.com>

sdk_container/src/third_party/coreos-overlay/sys-fs/overlaybd/files/0001-Patch-Photon-after-fetching-to-fix-cross-issues.patch

@@ -1,7 +1,7 @@
-From 72d823c414a1416dffc2276e5a0a17f03c5e4549 Mon Sep 17 00:00:00 2001
+From 765644b34e61a8455114067465537d9f0a31dd7d Mon Sep 17 00:00:00 2001
 From: James Le Cuirot <jlecuirot@microsoft.com>
 Date: Mon, 28 Jul 2025 12:16:50 +0100
-Subject: [PATCH 1/2] Patch Photon after fetching to fix cross issues
+Subject: [PATCH 1/3] Patch Photon after fetching to fix cross issues
 
 Signed-off-by: James Le Cuirot <jlecuirot@microsoft.com>
 ---
@@ -21,5 +21,5 @@ index c905bd9..5507f66 100644
  
  if(BUILD_TESTING)
 -- 
-2.51.0
+2.52.0
 

sdk_container/src/third_party/coreos-overlay/sys-fs/overlaybd/files/0002-overlaybd-offline-build.patch

@@ -1,3 +1,30 @@
+From 8df6807f569ebca98678d6ca5370d3575f469181 Mon Sep 17 00:00:00 2001
+From: James Le Cuirot <jlecuirot@microsoft.com>
+Date: Thu, 19 Feb 2026 12:45:13 +0100
+Subject: [PATCH 2/3] overlaybd-offline-build
+
+---
+ CMake/{Findcurl.cmake => FindCURL.cmake}      |  6 ++---
+ .../{Findopenssl.cmake => FindOpenSSL.cmake}  |  4 +---
+ CMake/FindRapidJSON.cmake                     | 19 ++++++++++++++++
+ CMake/Finde2fs.cmake                          |  4 +---
+ CMake/Findphoton.cmake                        |  4 ++--
+ CMake/Findrapidjson.cmake                     | 12 ----------
+ CMakeLists.txt                                | 22 +++++++++++--------
+ src/CMakeLists.txt                            | 10 ++++-----
+ src/overlaybd/CMakeLists.txt                  |  5 ++++-
+ .../cache/ocf_cache/test/CMakeLists.txt       |  2 +-
+ src/overlaybd/registryfs/CMakeLists.txt       |  4 ++--
+ src/overlaybd/stream_convertor/CMakeLists.txt |  2 +-
+ src/overlaybd/tar/erofs/test/CMakeLists.txt   |  4 ++--
+ src/test/CMakeLists.txt                       |  6 ++---
+ src/tools/CMakeLists.txt                      |  4 ++--
+ 15 files changed, 58 insertions(+), 50 deletions(-)
+ rename CMake/{Findcurl.cmake => FindCURL.cmake} (95%)
+ rename CMake/{Findopenssl.cmake => FindOpenSSL.cmake} (96%)
+ create mode 100644 CMake/FindRapidJSON.cmake
+ delete mode 100644 CMake/Findrapidjson.cmake
+
 diff --git a/CMake/Findcurl.cmake b/CMake/FindCURL.cmake
 similarity index 95%
 rename from CMake/Findcurl.cmake
@@ -77,10 +104,10 @@ index 15c58fd..e5615a2 100644
  
          add_custom_command(
 diff --git a/CMake/Findphoton.cmake b/CMake/Findphoton.cmake
-index c905bd9..cdc72d2 100644
+index 5507f66..e00b939 100644
 --- a/CMake/Findphoton.cmake
 +++ b/CMake/Findphoton.cmake
-@@ -17,8 +17,8 @@ else()
+@@ -18,8 +18,8 @@ else()
  endif()
  
  if (BUILD_CURL_FROM_SOURCE)
@@ -181,10 +208,10 @@ index 4d0e696..69652f3 100644
  )
  target_link_libraries(overlaybd-tcmu
 diff --git a/src/overlaybd/CMakeLists.txt b/src/overlaybd/CMakeLists.txt
-index 1c5a912..af095b7 100644
+index fd57ee2..3328b43 100644
 --- a/src/overlaybd/CMakeLists.txt
 +++ b/src/overlaybd/CMakeLists.txt
-@@ -6,7 +6,10 @@ add_subdirectory(cache)
+@@ -5,7 +5,10 @@ add_subdirectory(cache)
  add_subdirectory(tar)
  add_subdirectory(gzip)
  add_subdirectory(gzindex)
@@ -310,3 +337,6 @@ index b551b84..ecf5c32 100644
  target_link_libraries(turboOCI-apply photon_static overlaybd_lib overlaybd_image_lib)
  set_target_properties(turboOCI-apply PROPERTIES INSTALL_RPATH "/opt/overlaybd/lib")
  
+-- 
+2.52.0
+

sdk_container/src/third_party/coreos-overlay/sys-fs/overlaybd/files/0003-Fix-build-with-gcc15.patch

@@ -0,0 +1,28 @@
+From 2d718a67568588d6f98cb536142fa5c8be1c0475 Mon Sep 17 00:00:00 2001
+From: Krzesimir Nowak <knowak@microsoft.com>
+Date: Thu, 19 Feb 2026 12:46:14 +0100
+Subject: [PATCH 3/3] Fix build with gcc15
+
+uint32_t stopped being brought in indirectly through some other header
+files in gcc 15.
+
+Signed-off-by: Krzesimir Nowak <knowak@microsoft.com>
+---
+ src/prefetch.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/prefetch.h b/src/prefetch.h
+index da778d5..3e91564 100644
+--- a/src/prefetch.h
++++ b/src/prefetch.h
+@@ -16,6 +16,7 @@ limitations under the License.
+ #pragma once
+ 
+ #include <cctype>
++#include <cstdint>
+ #include <string>
+ #include <photon/fs/filesystem.h>
+ 
+-- 
+2.52.0
+

sdk_container/src/third_party/coreos-overlay/sys-fs/overlaybd/overlaybd-9999.ebuild

@@ -60,7 +60,8 @@ BDEPEND="
 
 PATCHES=(
 	"${FILESDIR}"/0001-Patch-Photon-after-fetching-to-fix-cross-issues.patch
-	"${FILESDIR}"/${PN}-offline-build.patch
+	"${FILESDIR}"/0002-overlaybd-offline-build.patch
+	"${FILESDIR}"/0003-Fix-build-with-gcc15.patch
 )
 
 src_prepare() {