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-rw-r--r--var/spack/repos/builtin/packages/arpack-ng/package.py4
-rw-r--r--var/spack/repos/builtin/packages/arpack-ng/pdlamch10.patch15
2 files changed, 19 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/arpack-ng/package.py b/var/spack/repos/builtin/packages/arpack-ng/package.py
index 0b49d14202..614071cf53 100644
--- a/var/spack/repos/builtin/packages/arpack-ng/package.py
+++ b/var/spack/repos/builtin/packages/arpack-ng/package.py
@@ -35,6 +35,10 @@ class ArpackNg(Package):
variant('shared', default=True, description='Enables the build of shared libraries')
variant('mpi', default=False, description='Activates MPI support')
+ # The function pdlamch10 does not set the return variable. This is fixed upstream
+ # see https://github.com/opencollab/arpack-ng/issues/34
+ patch('pdlamch10.patch', when='@3.3:')
+
depends_on('blas')
depends_on('lapack')
depends_on('mpi', when='+mpi')
diff --git a/var/spack/repos/builtin/packages/arpack-ng/pdlamch10.patch b/var/spack/repos/builtin/packages/arpack-ng/pdlamch10.patch
new file mode 100644
index 0000000000..922828909f
--- /dev/null
+++ b/var/spack/repos/builtin/packages/arpack-ng/pdlamch10.patch
@@ -0,0 +1,15 @@
+diff --git a/PARPACK/SRC/MPI/pdlamch10.f b/PARPACK/SRC/MPI/pdlamch10.f
+index 6571da9..2882c2e 100644
+--- a/PARPACK/SRC/MPI/pdlamch10.f
++++ b/PARPACK/SRC/MPI/pdlamch10.f
+@@ -86,8 +86,8 @@
+ TEMP = TEMP1
+ END IF
+ *
+- PDLAMCH = TEMP
++ PDLAMCH10 = TEMP
+ *
+-* End of PDLAMCH
++* End of PDLAMCH10
+ *
+ END