Failed plugins search from current directory w/o LD_LIBRARY_PATH (#12499)

samples/cpp/CMakeLists.txt

@@ -38,13 +38,8 @@ else()
     set(IE_MAIN_SAMPLES_DIR ${CMAKE_CURRENT_BINARY_DIR})
 endif()
 
-if(NOT(UNIX))
-    set (CMAKE_LIBRARY_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER})
-    set (CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER})
-else ()
-    set (CMAKE_LIBRARY_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER}/lib)
-    set (CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER}/lib)
-endif()
+set (CMAKE_LIBRARY_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER})
+set (CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER})
 set (CMAKE_COMPILE_PDB_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER})
 set (CMAKE_PDB_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER})
 set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${IE_MAIN_SAMPLES_DIR}/${BIN_FOLDER})

src/frontends/tests/frontend/shared/include/utils.hpp

@@ -15,10 +15,8 @@
 
 // Helper functions
 namespace FrontEndTestUtils {
-std::string find_ov_path();
-int run_tests(int argc, char** argv);
 
-std::string get_current_executable_path();
+int run_tests(int argc, char** argv);
 
 inline std::tuple<ov::frontend::FrontEnd::Ptr, ov::frontend::InputModel::Ptr>
 load_from_file(ov::frontend::FrontEndManager& fem, const std::string& frontend_name, const std::string& model_file) {
@@ -52,7 +50,7 @@ inline int set_test_env(const char* name, const char* value) {
 
 inline void setupTestEnv() {
     NGRAPH_SUPPRESS_DEPRECATED_START
-    std::string fePath = ov::util::get_directory(find_ov_path());
+    std::string fePath = ov::util::get_ov_lib_path();
     set_test_env("OV_FRONTEND_PATH", fePath.c_str());
     NGRAPH_SUPPRESS_DEPRECATED_END
 }

src/frontends/tests/frontend/shared/src/utils.cpp

@@ -4,38 +4,6 @@
 
 #include "utils.hpp"
 
-#ifdef _WIN32
-#    ifndef NOMINMAX
-#        define NOMINMAX
-#    endif
-#    include <windows.h>
-#    if defined(WINAPI_FAMILY) && !WINAPI_PARTITION_DESKTOP
-#        error "Only WINAPI_PARTITION_DESKTOP is supported, because of LoadLibrary[A|W]"
-#    endif
-#elif defined(__linux) || defined(__APPLE__)
-#    include <dlfcn.h>
-#endif
-
-std::string FrontEndTestUtils::find_ov_path() {
-#ifdef _WIN32
-    HMODULE hModule = GetModuleHandleW(SHARED_LIB_PREFIX L"frontend_common" SHARED_LIB_SUFFIX);
-    WCHAR wpath[MAX_PATH];
-    GetModuleFileNameW(hModule, wpath, MAX_PATH);
-    std::wstring ws(wpath);
-    std::string path(ws.begin(), ws.end());
-    std::replace(path.begin(), path.end(), '\\', '/');
-    path = ov::util::get_directory(path);
-    path += "/";
-    return path;
-#elif defined(__linux) || defined(__APPLE__)
-    Dl_info dl_info;
-    dladdr(reinterpret_cast<void*>(ngraph::to_lower), &dl_info);
-    return ov::util::get_absolute_file_path(dl_info.dli_fname);
-#else
-#    error "Unsupported OS"
-#endif
-}
-
 std::string FrontEndTestUtils::get_disabled_tests(const std::string& manifest_path) {
     std::string result = "-";
     std::ifstream manifest_stream(manifest_path);

src/inference/src/ie_core.cpp

@@ -104,9 +104,20 @@ ov::util::FilePath getPluginPath(const std::string& pluginName, bool needAddSuff
     auto pluginPath = ov::util::to_file_path(pluginName.c_str());
 
     // 0. user can provide a full path
+
+#ifndef _WIN32
+    try {
+        // dlopen works with absolute paths; otherwise searches from LD_LIBRARY_PATH
+        pluginPath = ov::util::to_file_path(ov::util::get_absolute_file_path(pluginName));
+    } catch (const std::runtime_error&) {
+        // failed to resolve absolute path; not critical
+    }
+#endif  // _WIN32
+
     if (FileUtils::fileExist(pluginPath))
         return pluginPath;
 
+    // ov::Core::register_plugin(plugin_name, device_name) case
     if (needAddSuffixes)
         pluginPath = FileUtils::makePluginLibraryName({}, pluginPath);