configure: Provide symlink for amdgcn-mesa3d instead of configure hack

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-By: Aaron Watry <awatry@gmail.com>

git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@346085 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/amdgcn-mesa3d b/amdgcn-mesa3d
new file mode 120000
index 0000000..4007828
--- /dev/null
+++ b/amdgcn-mesa3d
@@ -0,0 +1 @@
+amdgcn-amdhsa
\ No newline at end of file
diff --git a/configure.py b/configure.py
index 55ef1bb..8c021b9 100755
--- a/configure.py
+++ b/configure.py
@@ -187,8 +187,6 @@
   for arch in archs:
     subdirs.append("%s-%s-%s" % (arch, t_vendor, t_os))
     subdirs.append("%s-%s" % (arch, t_os))
-    if t_os == 'mesa3d':
-        subdirs.append('amdgcn-amdhsa')
     subdirs.append(arch)
     if arch == 'amdgcn' or arch == 'r600':
         subdirs.append('amdgpu')