Generating hiprtc lib with hcc+hip-clang

Review comments - generate hiprtc lib everytime when HIP_PLATFORM is hcc

Changes for hip-clang

Removing pre processor directive to simplify

Change-Id: Id38ab368362b58ee0458baeb8051fea709ae6bba

src/hiprtc.cpp

@@ -235,7 +235,7 @@ struct _hiprtcProgram {
 
         const auto it{find_if(reader.sections.begin(), reader.sections.end(),
                               [](const section* x) {
-            return x->get_name() == ".kernel";
+            return (x->get_name() == ".hip_fatbin") || (x->get_name() == ".kernel");
         })};
 
         if (it == reader.sections.end()) return false;
@@ -513,7 +513,7 @@ hiprtcResult hiprtcCompileProgram(hiprtcProgram p, int n, const char** o)
 
     const auto src{p->writeTemporaryFiles(tmp.path())};
 
-    vector<string> args{hipcc, "-shared"};
+    vector<string> args{hipcc, "-fPIC -shared"};
     if (n) args.insert(args.cend(), o, o + n);
 
     handleTarget(args);