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# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
from spack.package import *
class NetlibLapack(CMakePackage):
"""LAPACK version 3.X is a comprehensive FORTRAN library that does
linear algebra operations including matrix inversions, least squared
solutions to linear sets of equations, eigenvector analysis, singular
value decomposition, etc. It is a very comprehensive and reputable
package that has found extensive use in the scientific community.
"""
homepage = "http://www.netlib.org/lapack/"
url = "http://www.netlib.org/lapack/lapack-3.5.0.tgz"
version(
"3.8.0",
"96591affdbf58c450d45c1daa540dbd2",
url="http://www.netlib.org/lapack/lapack-3.8.0.tar.gz",
)
version("3.7.1", md5="dcdeeed73de152c4643ccc5b1aeb453c")
version("3.7.0", md5="697bb8d67c7d336a0f339cc9dd0fa72f")
version("3.6.1", md5="421b2cb72e15f237e144428f9c460ee0")
version("3.6.0", md5="f2f6c67134e851fe189bb3ca1fbb5101")
version("3.5.0", md5="b1d3e3e425b2e44a06760ff173104bdf")
version("3.4.2", md5="61bf1a8a4469d4bdb7604f5897179478")
version("3.4.1", md5="44c3869c38c8335c2b9c2a8bb276eb55")
version("3.4.0", md5="02d5706ec03ba885fc246e5fa10d8c70")
version("3.3.1", md5="d0d533ec9a5b74933c2a1e84eedc58b4")
variant("shared", default=True, description="Build shared library version")
variant("external-blas", default=False, description="Build lapack with an external blas")
variant("lapacke", default=True, description="Activates the build of the LAPACKE C interface")
variant("xblas", default=False, description="Builds extended precision routines using XBLAS")
patch("ibm-xl.patch", when="@3.7: %xl")
patch("ibm-xl.patch", when="@3.7: %xl_r")
# https://github.com/Reference-LAPACK/lapack/issues/228
# TODO: update 'when' once the version of lapack
# containing the fix is released and added to Spack.
patch("undefined_declarations.patch", when="@3.8.0:")
# https://github.com/Reference-LAPACK/lapack/pull/268
# TODO: update 'when' once the version of lapack
# containing the fix is released and added to Spack.
patch("testing.patch", when="@3.7.0:")
# virtual dependency
provides("blas", when="~external-blas")
provides("lapack")
depends_on("blas", when="+external-blas")
depends_on("netlib-xblas+fortran+plain_blas", when="+xblas")
depends_on("python@2.7:", type="test")
# We need to run every phase twice in order to get static and shared
# versions of the libraries. When ~shared, we run the default
# implementations of the CMakePackage's phases and get only one building
# directory 'spack-build-static' with -DBUILD_SHARED_LIBS:BOOL=OFF (see
# implementations of self.build_directory and self.cmake_args() below).
# When +shared, we run the overridden methods for the phases, each
# running the default implementation twice with different values for
# self._building_shared. As a result, we get two building directories:
# 'spack-build-static' with -DBUILD_SHARED_LIBS:BOOL=OFF and
# 'spack-build-shared' with -DBUILD_SHARED_LIBS:BOOL=ON.
_building_shared = False
def patch(self):
# Fix cblas CMakeLists.txt -- has wrong case for subdirectory name.
if self.spec.satisfies("@3.6.0:"):
filter_file(
"${CMAKE_CURRENT_SOURCE_DIR}/CMAKE/",
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/",
"CBLAS/CMakeLists.txt",
string=True,
)
@property
def blas_libs(self):
shared = True if "+shared" in self.spec else False
query_parameters = self.spec.last_query.extra_parameters
query2libraries = {
tuple(): ["libblas"],
("c", "fortran"): ["libcblas", "libblas"],
("c",): ["libcblas"],
("fortran",): ["libblas"],
}
key = tuple(sorted(query_parameters))
libraries = query2libraries[key]
return find_libraries(libraries, root=self.prefix, shared=shared, recursive=True)
# TUTORIAL: add a proper `lapack_lib` property, along the lines
# of the `blas_lib` property above. The library that provides
# the lapack API is called `liblapack`.
@property
def headers(self):
include_dir = self.spec.prefix.include
cblas_h = join_path(include_dir, "cblas.h")
lapacke_h = join_path(include_dir, "lapacke.h")
return HeaderList([cblas_h, lapacke_h])
@property
def build_directory(self):
return join_path(
self.stage.source_path,
"spack-build-shared" if self._building_shared else "spack-build-static",
)
def cmake_args(self):
args = ["-DBUILD_SHARED_LIBS:BOOL=" + ("ON" if self._building_shared else "OFF")]
if self.spec.satisfies("+lapacke"):
args.extend(["-DLAPACKE:BOOL=ON", "-DLAPACKE_WITH_TMG:BOOL=ON"])
else:
args.extend(["-DLAPACKE:BOOL=OFF", "-DLAPACKE_WITH_TMG:BOOL=OFF"])
if self.spec.satisfies("@3.6.0:"):
args.append("-DCBLAS=ON") # always build CBLAS
if self.spec.satisfies("%intel"):
# Intel compiler finds serious syntax issues when trying to
# build CBLAS and LapackE
args.extend(["-DCBLAS=OFF", "-DLAPACKE:BOOL=OFF"])
if self.spec.satisfies("%xl") or self.spec.satisfies("%xl_r"):
# use F77 compiler if IBM XL
args.extend(
[
"-DCMAKE_Fortran_COMPILER=" + self.compiler.f77,
"-DCMAKE_Fortran_FLAGS="
+ (" ".join(self.spec.compiler_flags["fflags"]))
+ " -O3 -qnohot",
]
)
# deprecated routines are commonly needed by, for example, suitesparse
# Note that OpenBLAS spack is built with deprecated routines
args.append("-DBUILD_DEPRECATED:BOOL=ON")
if self.spec.satisfies("+external-blas"):
args.extend(
[
"-DUSE_OPTIMIZED_BLAS:BOOL=ON",
"-DBLAS_LIBRARIES:PATH=" + self.spec["blas"].libs.joined(";"),
]
)
if self.spec.satisfies("+xblas"):
args.extend(
[
"-DXBLAS_INCLUDE_DIR=" + self.spec["netlib-xblas"].prefix.include,
"-DXBLAS_LIBRARY=" + self.spec["netlib-xblas"].libs.joined(";"),
]
)
args.append("-DBUILD_TESTING:BOOL=" + ("ON" if self.run_tests else "OFF"))
return args
# Build, install, and check both static and shared versions of the
# libraries when +shared
@when("+shared")
def cmake(self, spec, prefix):
for self._building_shared in (False, True):
super().cmake(spec, prefix)
@when("+shared")
def build(self, spec, prefix):
for self._building_shared in (False, True):
super().build(spec, prefix)
@when("+shared")
def install(self, spec, prefix):
for self._building_shared in (False, True):
super().install(spec, prefix)
@when("+shared")
def check(self):
for self._building_shared in (False, True):
super().check()
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