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-rw-r--r--var/spack/repos/builtin/packages/eigen/package.py10
1 files changed, 6 insertions, 4 deletions
diff --git a/var/spack/repos/builtin/packages/eigen/package.py b/var/spack/repos/builtin/packages/eigen/package.py
index e20fcffdd7..9ff4107619 100644
--- a/var/spack/repos/builtin/packages/eigen/package.py
+++ b/var/spack/repos/builtin/packages/eigen/package.py
@@ -28,7 +28,9 @@ from spack import *
class Eigen(Package):
"""
- Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms
+ Eigen is a C++ template library for linear algebra
+
+ Matrices, vectors, numerical solvers, and related algorithms
"""
homepage = 'http://eigen.tuxfamily.org/'
@@ -42,16 +44,16 @@ class Eigen(Package):
variant('scotch', default=True, description='Enables scotch backend')
variant('fftw', default=True, description='Enables FFTW backend')
variant('suitesparse', default=True, description='Enables SuiteSparse support')
+ variant('mpfr', default=True, description='Enables support for multi-precisions floating points via mpfr')
# TODO : dependency on googlehash, superlu, adolc missing
-
depends_on('cmake')
depends_on('metis@5:', when='+metis')
depends_on('scotch', when='+scotch')
depends_on('fftw', when='+fftw')
depends_on('suite-sparse', when='+suitesparse')
- depends_on('mpfr@2.3.0:') # Eigen 3.2.7 requires at least 2.3.0
- depends_on('gmp')
+ depends_on('mpfr@2.3.0:', when="+mpfr")
+ depends_on('gmp', when="+mpfr")
def install(self, spec, prefix):