Description: link against libsymspg-dev to provide the functionality to
 produce irreducible q-points with spglib.
Author: Andrius Merkys <andrius.merkys@gmail.com>
Index: lammps-0~20181211.gitad1b1897d/tools/phonon/Makefile
===================================================================
--- lammps-0~20181211.gitad1b1897d.orig/tools/phonon/Makefile
+++ lammps-0~20181211.gitad1b1897d/tools/phonon/Makefile
@@ -16,9 +16,9 @@ LPKLIB =-llapack
 # spglib 1.8.2, used to get the irreducible q-points
 # if UFLAG is not set, spglib won't be used.
 
-# UFLAG  = -DUseSPG
-# SPGINC = -I/opt/libs/spglib/1.8.2/include
-# SPGLIB = -L/opt/libs/spglib/1.8.2/lib -lsymspg
+UFLAG  = -DUseSPG
+SPGINC =
+SPGLIB = -lsymspg
 
 # if spglib other than version 1.8.2 is used, please 
 # modify file phonon.cpp, instruction can be found by searching 1.8.2