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fix(diffusion): Add fallback to load backend by filename #879

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Merged
gianni-cor merged 1 commit into from
Mar 13, 2026
Merged

fix(diffusion): Add fallback to load backend by filename #879

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20 changes: 17 additions & 3 deletions packages/lib-infer-diffusion/vcpkg/ports/ggml/ggml-qvac-backend-prefix.patch
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ef3a1308..ecf0f4a1 100644
index 4eda64b5..fa379062 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -249,7 +249,9 @@ function(ggml_add_backend_library backend)
@@ -254,7 +254,9 @@ function(ggml_add_backend_library backend)
if (GGML_BACKEND_DL AND NOT (GGML_CPU_STATIC AND ${backend} MATCHES "^ggml-cpu"))
add_library(${backend} MODULE ${ARGN})
# write the shared library to the output directory
Expand All @@ -14,7 +14,7 @@ index ef3a1308..ecf0f4a1 100644
add_dependencies(ggml ${backend})
if (GGML_BACKEND_DIR)
diff --git a/src/ggml-backend-reg.cpp b/src/ggml-backend-reg.cpp
index 8a693f84..b5405bfd 100644
index 8a693f84..a514206d 100644
--- a/src/ggml-backend-reg.cpp
+++ b/src/ggml-backend-reg.cpp
@@ -437,9 +437,9 @@ static fs::path get_executable_path() {
Expand All @@ -29,3 +29,17 @@ index 8a693f84..b5405bfd 100644
#endif
}

@@ -526,6 +526,13 @@ static ggml_backend_reg_t ggml_backend_load_best(const char * name, bool silent,
}
}
}
+ // Android app packaging can flatten native libraries into one directory.
+ // If loading from the requested subdirectory fails, retry by filename only
+ // and leave lookup to dlopen's default search path resolution.
+ fs::path filename = backend_filename_prefix().native() + name_path.native() + backend_filename_extension().native();
+ if (auto reg = get_reg().load_backend(filename, silent)) {
+ return reg;
+ }
return nullptr;
}

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