diff options
| -rw-r--r-- | var/spack/repos/builtin/packages/openblas/package.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/openblas/package.py b/var/spack/repos/builtin/packages/openblas/package.py index b3ce744bf8..607a41e85d 100644 --- a/var/spack/repos/builtin/packages/openblas/package.py +++ b/var/spack/repos/builtin/packages/openblas/package.py @@ -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 @@ class Openblas(MakefilePackage): 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') |