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gromacs: remove 'rdtscp' variant, deduce the flag from the target (#18868)

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refers #18858
This commit is contained in:
Massimiliano Culpo 2020-09-22 21:11:35 +02:00 committed by GitHub
parent acf4dc2e12
commit 92b8177b77
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 6 deletions
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11
var/spack/repos/builtin/packages/gromacs/package.py
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@ -65,8 +65,6 @@ class Gromacs(CMakePackage):
description='The build type to build',
values=('Debug', 'Release', 'RelWithDebInfo', 'MinSizeRel',
'Reference', 'RelWithAssert', 'Profile'))
variant('rdtscp', default=True,
description='Enable RDTSCP instruction usage')
variant('mdrun_only', default=False,
description='Enables the build of a cut-down version'
' of libgromacs and/or the mdrun program')
@ -181,10 +179,11 @@ def cmake_args(self):
# Fall back to this for unknown microarchitectures
options.append('-DGMX_SIMD:STRING=None')
if '-rdtscp' in self.spec:
options.append('-DGMX_USE_RDTSCP:BOOL=OFF')
else:
options.append('-DGMX_USE_RDTSCP:BOOL=ON')
# Use the 'rtdscp' assembly instruction only on
# appropriate architectures
options.append(self.define(
'GMX_USE_RDTSCP', str(target.family) in ('x86_64', 'x86')
))
if '+mdrun_only' in self.spec:
options.append('-DGMX_BUILD_MDRUN_ONLY:BOOL=ON')