Added Lapack package

var/spack/packages/lapack/package.py

@@ -0,0 +1,31 @@
+from spack import *
+import os
+
+class Lapack(Package):
+    """LAPACK is written in Fortran 90 and provides routines for solving systems 
+    of simultaneous linear equations, least-squares solutions of linear systems 
+    of equations, eigenvalue problems, and singular value problems."""
+    homepage = "http://www.netlib.org/lapack"
+    url      = "http://www.netlib.org/lapack/lapack-3.5.0.tgz"
+
+    version('3.5.0', 'b1d3e3e425b2e44a06760ff173104bdf')
+
+    depends_on('blas')
+
+    def install(self, spec, prefix):
+        mv = which('mv') # Create a shell wrapper for the mv command.
+        mkdir = which('mkdir') # Create a shell wrapper for the mkdir command.
+        pwd = os.getcwd() # Retrieve the current working dir.
+
+        # Lapack and BLAS testing fails for some reason, but the library is 
+        # built and ready to go at this point. The testing stuff is going to be 
+        # switched off for now.
+        filter_file('blas_testing lapack_testing ', ' ', 'Makefile', string=True)
+
+        mv('%s/make.inc.example' % pwd, '%s/make.inc' % pwd)
+        filter_file('../../librefblas.a', '%s/libblas.a' % spec['blas'].prefix.lib, 'make.inc', string=True) # Specify the BLAS lib to use.
+
+        make()
+        mkdir('%s' % prefix.lib) # Create the lib dir inside the install dir.
+        mv('%s/liblapack.a' % pwd, '%s/liblapack.a' % prefix.lib) # Move the library file to the install dir.
+