use filelink.o consistently, since filelink does not work with some compilers, e.g. nvcc

doc/src/Section_packages.txt

@@ -732,7 +732,7 @@ make lib-latte args="-b -m gfortran"    # download and build in lib/latte and
 :pre
 
 Note that 3 symbolic (soft) links, "includelink" and "liblink" and
-"filelink", are created in lib/latte to point into the LATTE home dir.
+"filelink.o", are created in lib/latte to point into the LATTE home dir.
 When LAMMPS builds in src it will use these links.  You should 
 also check that the Makefile.lammps file you create is apporpriate
 for the compiler you use on your system to build LATTE.

lib/latte/README

@@ -28,14 +28,15 @@ Instructions:
    and finally, build the code via the make command
    % make
 
-3. Create three soft links in this dir (lib/latte)
+3. Create three symbolic links in this dir (lib/latte)
    E.g if you built LATTE in this dir:
       % ln -s ./LATTE-master/src includelink
       % ln -s ./LATTE-master liblink
-      % ln -s ./LATTE-master/src/latte_c_bind.o filelink
+      % ln -s ./LATTE-master/src/latte_c_bind.o filelink.o
 
 4. Choose a Makefile.lammps.* file appropriate for your compiler
-   (GNU gfortran or Intel ifort) and copy it to Makefile.lammps.
+   (GNU gfortran with external BLAS, GNU gfortran with local liblinalg,
+   or Intel ifort with MKL) and copy it to Makefile.lammps.
    Note that you may need to edit Makefile.lammps for paths
    and compiler options appropriate to your system.
 
@@ -49,7 +50,7 @@ with the LATTE package installed:
 % make g++ (or whatever target you wish)
 
 Note that if you download and unpack a new LAMMPS tarball, the
-"includelink" and "liblink" and "filelink" files will be lost and you
-will need to re-create them (step 3).  If you built LATTE in this
-directory (as opposed to somewhere else on your system), you will also
-need to repeat steps 1,2,4.
+"includelink" and "liblink" and "filelink.o" symbolic links will be
+lost and you will need to re-create them (step 3).  If you built LATTE
+in this directory (as opposed to somewhere else on your system), you
+will also need to repeat steps 1,2,4.

src/LATTE/README

@@ -17,7 +17,7 @@ Once you have successfully built LAMMPS with this package and the
 LATTE library you can test it using an input file from the examples
 latte dir, e.g.
 
-lmp_serial < lammps/examples/latte/in.latte.water
+lmp_serial -in lammps/examples/latte/in.latte.water
 
 This pair style was written in collaboration with the LATTE
 developers.