SWDEV-310152 - Added RUNPATH to flang shared library (#76)

* SWDEV-310152 - Added RUNPATH to flang shared library

Added RUNPATH to libflang.so : $ORIGIN:$ORIGIN/../../

* RUNPATH updated to /../../lib

* Use build arguments to set RUNAPTH linker flags rather than using hard coded values

Change-Id: I3f25e62d6708ec29f350941242c67975ea8d1a89

runtime/flang/CMakeLists.txt

@@ -33,7 +33,7 @@ SET(CMAKE_ASM_FLAGS "${CFLAGS} ${ASM_OPTIONS}" )
 if(${SANITIZER})
   set(CMAKE_SHARED_LINKER_FLAGS " -Wl,--enable-new-dtags -fuse-ld=lld  -fsanitize=address -shared-libasan -g -Wl,--build-id=sha1 -no-flang-libs ")
 else()
-  set(CMAKE_SHARED_LINKER_FLAGS " -no-flang-libs ")
+  set(CMAKE_SHARED_LINKER_FLAGS " -no-flang-libs ${OPENMP_EXTRAS_SHARED_LINKER_FLAGS}")
 endif()
 
 # We are using Fortran driver to build this library with fresh compiler