Add note on Fortran 2008 compiler requirement to the README.

certik · Aug 21, 2012 · bc22259 · bc22259
1 parent 97c13e7
commit bc22259
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diff --git a/README.rst b/README.rst
@@ -28,6 +28,13 @@ Main features:
 * Lapack interface (and a few simple f90 wrappers like ``eigh``, ``inv``)
 * HDF5 interface
 
+Requirements
+------------
+
+The modules utils and ppm in ``utils.f90`` and ``ppm.f90`` use the
+``newunit`` option to ``open()``. This option is part of Fortran 2008 and
+requires at least gfortran 4.5 to compile.
+
 Contributors
 ------------