Unified setup_environ b/t libomni and libomni-dl (#86)

- omnitrace::common::setup_environ provides a standardized exporting of relevant env variables

source/lib/omnitrace/library.cpp

@@ -21,6 +21,7 @@
 // SOFTWARE.
 
 #include "library.hpp"
+#include "common/setup.hpp"
 #include "library/api.hpp"
 #include "library/components/fork_gotcha.hpp"
 #include "library/components/functors.hpp"
@@ -84,38 +85,16 @@ ensure_finalization(bool _static_init = false)
     else
     {
         OMNITRACE_BASIC_DEBUG_F("\n");
-        // This environment variable forces the ROCR-Runtime to use polling to wait
-        // for signals rather than interrupts. We set this variable to avoid issues with
-        // rocm/roctracer hanging when interrupted by the sampler
-        //
-        // see:
-        // https://github.com/ROCm-Developer-Tools/roctracer/issues/22#issuecomment-572814465
-        tim::set_env("HSA_ENABLE_INTERRUPT", "0", 0);
-#if defined(OMNITRACE_USE_ROCTRACER) && OMNITRACE_USE_ROCTRACER > 0
-        tim::set_env("HSA_TOOLS_LIB", "libomnitrace.so", 0);
-#endif
-#if defined(OMNITRACE_USE_ROCPROFILER) && OMNITRACE_USE_ROCPROFILER > 0
-        auto _default_rocm_path =
-            JOIN("", "/opt/rocm-", OMNITRACE_HIP_VERSION_MAJOR, '.',
-                 OMNITRACE_HIP_VERSION_MINOR, '.', OMNITRACE_HIP_VERSION_PATCH);
-        auto _rocm_path    = tim::get_env("OMNITRACE_ROCM_PATH",
-                                       tim::get_env("ROCM_PATH", _default_rocm_path));
-        auto _rocp_metrics = JOIN('/', _rocm_path, "rocprofiler/lib/metrics.xml");
-        tim::set_env("HSA_TOOLS_LIB", "libomnitrace.so", 0);
-        tim::set_env("ROCP_TOOL_LIB", "libomnitrace.so", 0);
-        tim::set_env("ROCPROFILER_LOG", "1", 0);
-        tim::set_env("ROCP_HSA_INTERCEPT", "1", 0);
-        tim::set_env("ROCP_METRICS", _rocp_metrics, 0);
-        tim::set_env("HSA_TOOLS_REPORT_LOAD_FAILURE", "1", 0);
-        if(getenv("ROCM_PATH"))
-        {
-            tim::set_env("OMNITRACE_ROCPROFILER_LIBRARY",
-                         JOIN('/', tim::get_env<std::string>("ROCM_PATH"),
-                              "rocprofiler/lib/librocprofiler64.so"),
-                         0);
-        }
-#endif
     }
+
+    auto _verbose = get_verbose_env() + ((get_debug_env() || get_debug_init()) ? 16 : 0);
+    auto _search_paths = JOIN(':', tim::get_env<std::string>("OMNITRACE_PATH", ""),
+                              tim::get_env<std::string>("PWD"), ".",
+                              tim::get_env<std::string>("LD_LIBRARY_PATH", ""),
+                              tim::get_env<std::string>("LIBRARY_PATH", ""),
+                              tim::get_env<std::string>("PATH", ""));
+    common::setup_environ(_verbose, _search_paths);
+
     return scope::destructor{ []() { omnitrace_finalize_hidden(); } };
 }