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openblas: add variant +consistentFPCSR (#14876)

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Add the OpenBLAS variant `+consistentFPCSR`, by default `False`, which adds the compile definition `CONSISTENT_FPCSR=1` as documented in  OpenBLAS `Makefile.rule`.
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Kai Torben Ohlhus 2020-02-14 10:59:34 +09:00 committed by GitHub
parent 690ed2fe98
commit 4fa29ceb50
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1 changed files with 6 additions and 0 deletions
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var/spack/repos/builtin/packages/openblas/package.py
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@ -37,6 +37,7 @@ class Openblas(MakefilePackage):
variant('ilp64', default=False, description='Force 64-bit Fortran native integers')
variant('pic', default=True, description='Build position independent code')
variant('shared', default=True, description='Build shared libraries')
variant('consistentFPCSR', default=False, description='Synchronize FP CSR between threads (x86/x86_64 only)')
variant(
'threads', default='none',
@ -234,6 +235,11 @@ def make_defs(self):
if '+ilp64' in self.spec:
make_defs += ['INTERFACE64=1']
# Synchronize floating-point control and status register (FPCSR)
# between threads (x86/x86_64 only).
if '+consistentFPCSR' in self.spec:
make_defs += ['CONSISTENT_FPCSR=1']
# Prevent errors in `as` assembler from newer instructions
if self.spec.satisfies('%gcc@:4.8.4'):
make_defs.append('NO_AVX2=1')