Temporarily use pre-/self-built SDL3 on Debian

as current stable Debian 13 SDL3 has missing struct members. Revert this
if 13 gets a newer SDL3 or the stable version upgrades to 14.  The
version chosen to be built on arm64 here is the same as in
autobuild.xml, which is 3.2.24.

2 files changed, 49 insertions, 8 deletions

diff --git a/indra/cmake/SDL3.cmake b/indra/cmake/SDL3.cmake
index e5c8c912e8..715110eba2 100644
--- a/indra/cmake/SDL3.cmake
+++ b/indra/cmake/SDL3.cmake
@@ -12,15 +12,40 @@ else()
 endif ()
 
 if(USE_SDL_WINDOW)
-    include(FindPkgConfig)
-    pkg_search_module(SDL3 REQUIRED sdl3)
-    target_link_directories(ll::SDL3 INTERFACE ${SDL3_LIBRARY_DIRS})
-    target_link_libraries(ll::SDL3 INTERFACE ${SDL3_LIBRARIES})
-    target_include_directories(ll::SDL3 SYSTEM INTERFACE ${SDL3_INCLUDE_DIRS})
-    return ()
-
-    use_system_binary(SDL3)
+    #use_system_binary(SDL3)
+    if (${LINUX_DISTRO} MATCHES debian)
+        if (CMAKE_SYSTEM_PROCESSOR MATCHES x86_64)
     use_prebuilt_binary(SDL3)
+        elseif (${PREBUILD_TRACKING_DIR}/sentinel_installed IS_NEWER_THAN ${PREBUILD_TRACKING_DIR}/SDL3_installed OR NOT ${SDL3_installed} EQUAL 0)
+            if (NOT EXISTS ${CMAKE_BINARY_DIR}/SDL-release-3.2.24.tar.gz)
+                file(DOWNLOAD
+                    https://github.com/libsdl-org/SDL/archive/refs/tags/release-3.2.24.tar.gz
+                    ${CMAKE_BINARY_DIR}/SDL-release-3.2.24.tar.gz
+                )
+            endif ()
+            file(ARCHIVE_EXTRACT
+                INPUT ${CMAKE_BINARY_DIR}/SDL-release-3.2.24.tar.gz
+                DESTINATION ${CMAKE_BINARY_DIR}
+            )
+            try_compile(SDL3_RESULT
+                PROJECT SDL3
+                SOURCE_DIR ${CMAKE_BINARY_DIR}/SDL-release-3.2.24
+                BINARY_DIR ${CMAKE_BINARY_DIR}/SDL-release-3.2.24_build
+                CMAKE_FLAGS
+                    -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
+                    -DCMAKE_INSTALL_PREFIX:PATH=${LIBS_PREBUILT_DIR}
+                    -DCMAKE_INSTALL_LIBDIR:PATH=${ARCH_PREBUILT_DIRS_RELEASE}
+                    -DCMAKE_BUILD_WITH_INSTALL_RPATH:BOOL=ON
+            )
+            if (${SDL3_RESULT})
+                execute_process(
+                    COMMAND ${CMAKE_MAKE_PROGRAM} install
+                    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/SDL-release-3.2.24_build
+                    RESULT_VARIABLE SDL3_installed
+                )
+                file(WRITE ${PREBUILD_TRACKING_DIR}/SDL3_installed "${SDL3_installed}")
+            endif ()
+        endif ()
 
     find_library( SDL3_LIBRARY
         NAMES SDL3 SDL3.lib libSDL3.so libSDL3.dylib
@@ -29,5 +54,12 @@ if(USE_SDL_WINDOW)
     target_link_libraries(ll::SDL3 INTERFACE ${SDL3_LIBRARY})
     target_include_directories(ll::SDL3 SYSTEM INTERFACE "${LIBS_PREBUILT_DIR}/include/")
 
+    else ()
+        include(FindPkgConfig)
+        pkg_search_module(SDL3 REQUIRED sdl3)
+        target_link_directories(ll::SDL3 INTERFACE ${SDL3_LIBRARY_DIRS})
+        target_link_libraries(ll::SDL3 INTERFACE ${SDL3_LIBRARIES})
+        target_include_directories(ll::SDL3 SYSTEM INTERFACE ${SDL3_INCLUDE_DIRS})
+    endif ()
 endif(USE_SDL_WINDOW)
 
diff --git a/indra/newview/ViewerInstall.cmake b/indra/newview/ViewerInstall.cmake
index 099a7070bc..f58968e542 100644
--- a/indra/newview/ViewerInstall.cmake
+++ b/indra/newview/ViewerInstall.cmake
@@ -260,6 +260,15 @@ if (LINUX)
                 DESTINATION ${_LIB}
                 )
         endif ()
+        if (${LINUX_DISTRO} MATCHES debian)
+            install(
+                FILES
+                  ${ARCH_PREBUILT_DIRS_RELEASE}/libSDL3.so
+                  ${ARCH_PREBUILT_DIRS_RELEASE}/libSDL3.so.0
+                  ${ARCH_PREBUILT_DIRS_RELEASE}/libSDL3.so.0.2.24
+                DESTINATION ${_LIB}
+                )
+        endif ()
 endif (LINUX)
 
 install(DIRECTORY skins app_settings fonts