Revert "COMPMID-1246: Disable -pie and -static-libstdc++ when compiling with clang"

This reverts commit 15e027e8b4fab55d8bf09e3bf3f589ecf9ef2fe8.

Change-Id: I8423b4476b933ca026cd152b8160ad0684f6cb0a
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/140056
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/SConstruct b/SConstruct
index d386d97..ccc9216 100644
--- a/SConstruct
+++ b/SConstruct
@@ -195,16 +195,14 @@
 
 if env['standalone']:
     env.Append(CXXFLAGS = ['-fPIC'])
-    if 'clang++' not in cpp_compiler:
-        env.Append(LINKFLAGS = ['-static-libgcc','-static-libstdc++'])
+    env.Append(LINKFLAGS = ['-static-libgcc','-static-libstdc++'])
 
 if env['Werror']:
     env.Append(CXXFLAGS = ['-Werror'])
 
 if env['os'] == 'android':
     env.Append(CPPDEFINES = ['ANDROID'])
-    if 'clang++' not in cpp_compiler:
-        env.Append(LINKFLAGS = ['-pie', '-static-libstdc++'])
+    env.Append(LINKFLAGS = ['-pie', '-static-libstdc++'])
 elif env['os'] == 'bare_metal':
     env.Append(LINKFLAGS = ['-static'])
     env.Append(LINKFLAGS = ['-specs=rdimon.specs'])