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add support for custom easyconfig parameter in R easyblock to build on top of multi-threaded BLAS/LAPACK #1294

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add support for custom easyconfig parameter in R easyblock to build on top of multi-threaded BLAS/LAPACK #1294

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14 changes: 13 additions & 1 deletion easybuild/easyblocks/r/r.py
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Expand Up @@ -34,6 +34,7 @@

import easybuild.tools.environment as env
from easybuild.easyblocks.generic.configuremake import ConfigureMake
from easybuild.framework.easyconfig import CUSTOM
from easybuild.tools.build_log import print_warning
from easybuild.tools.modules import get_software_root
from easybuild.tools.systemtools import get_shared_lib_ext
Expand All @@ -48,6 +49,13 @@ class EB_R(ConfigureMake):
Install specified version of libraries, install hard-coded library version
or latest library version (in that order of preference)
"""
@staticmethod
def extra_options():
"""Custom easyconfig parameters for R."""
extra_vars = {
'mt_blas_lapack': [False, "Build R on top of multi-threaded BLAS/LAPACK library.", CUSTOM],
}
return ConfigureMake.extra_options(extra_vars)

def prepare_for_extensions(self):
"""
Expand All @@ -63,7 +71,11 @@ def configure_step(self):
# define $BLAS_LIBS to build R correctly against BLAS/LAPACK library
# $LAPACK_LIBS should *not* be specified since that may lead to using generic LAPACK
# see https://github.com/easybuilders/easybuild-easyconfigs/issues/1435
env.setvar('BLAS_LIBS', os.getenv('LIBBLAS_MT'))
if self.cfg['mt_blas_lapack']:
env.setvar('BLAS_LIBS', os.getenv('LIBBLAS_MT'))
else:
env.setvar('BLAS_LIBS', os.getenv('LIBBLAS'))

self.cfg.update('configopts', "--with-blas --with-lapack")

# make sure correct config script is used for Tcl/Tk
Expand Down