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quantum-espresso: correctly cross-compile code for Cray and BG/Q (#17180)

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Nichols A. Romero 2020-06-24 02:52:27 -05:00 committed by GitHub
parent fd710fc93e
commit 4c055630d5
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var/spack/repos/builtin/packages/quantum-espresso/package.py
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@ -224,6 +224,19 @@ def install(self, spec, prefix):
prefix_path = prefix.bin if '@:5.4.0' in spec else prefix prefix_path = prefix.bin if '@:5.4.0' in spec else prefix
options = ['-prefix={0}'.format(prefix_path)] options = ['-prefix={0}'.format(prefix_path)]
# This additional flag is needed anytime the target architecture
# does not match the host architecture, which results in a binary that
# configure cannot execute on the login node. This is how we detect
# cross compilation: If the platform is NOT either Linux or Darwin
# and the target=backend, that we are in the cross-compile scenario
# scenario. This should cover Cray, BG/Q, and other custom platforms.
# The other option is to list out all the platform where you would be
# cross compiling explicitly.
if not (spec.satisfies('platform=linux') or
spec.satisfies('platform=darwin')):
if spec.satisfies('target=backend'):
options.append('--host')
# QE autoconf compiler variables has some limitations: # QE autoconf compiler variables has some limitations:
# 1. There is no explicit MPICC variable so we must re-purpose # 1. There is no explicit MPICC variable so we must re-purpose
# CC for the case of MPI. # CC for the case of MPI.