109 lines
3.6 KiB
Makefile
109 lines
3.6 KiB
Makefile
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# $NetBSD: blas.buildlink3.mk,v 1.1 2020/10/12 21:51:57 bacon Exp $
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#
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# This Makefile fragment is meant to be included by packages that use any BLAS
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# (Basic Linear Algebra System) implementation instead of one particular one.
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#
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# Since pkgsrc always ships BLAS and LAPACK together (as upstream
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# implementations do), this adds both BLAS_LIBS and LAPACK_LIBS to the linker
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# flags. Often, they will be identical or at least redundant. It is a matter
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# of style to stay consistent in their use.
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#
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# Keywords: blas lapack atlas openblas mkl
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#
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# === User-settable variables ===
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#
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# PKGSRC_BLAS_TYPES
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# This value specifies an exhaustive list of BLAS implementations we wish to
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# use in this pkgsrc installation, in descending order of preference.
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# The implementation selected for a build will be the first one in
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# PKGSRC_BLAS_TYPES that also appears in BLAS_ACCEPTED (see below).
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# Typically set in mk.conf.
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#
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# Possible: one or more of netlib, openblas, openblas_pthread,
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# openblas_openmp, and Apple's accelerate.framework
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# (to come: Intel MKL, other external optimized builds)
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#
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# Default: All currently supported implementations (${_BLAS_TYPES})
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#
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# === Package-settable variables ===
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#
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# BLAS_ACCEPTED
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# This is a list of blas packages that are compatible with the current
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# package. If not set, any BLAS implementation is OK.
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# Typically set in package Makefile.
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#
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# === Variables automatically set here for use in package builds ===
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#
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# BLAS_TYPE
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# This is the BLAS implementation chosen for a particular package build from
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# PKGSRC_BLAS_TYPES and BLAS_ACCEPTED. If PKGSRC_BLAS_TYPES and
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# BLAS_ACCEPTED have no implementations in common, it defaults to none
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# and the build fails.
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# BLAS_LIBS
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# Linker flags used for linking to BLAS library
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# LAPACK_LIBS
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# Linker flags used for linking to LAPACK library
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.if !defined(MK_BLAS_BUILDLINK3_MK)
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MK_BLAS_BUILDLINK3_MK=
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BUILD_DEFS+= PKGSRC_BLAS_TYPES
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BUILD_DEFS_EFFECTS+= BLAS_TYPE BLAS_LIBS LAPACK_LIBS
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# TODO: Upon commit change to: .include "bsd.prefs.mk"
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.include "../../mk/bsd.prefs.mk"
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# List of all possible BLAS choices, in order of *DEFAULT* preference.
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# netlib is the reference implementation to which all others conform and
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# should come first by default for maximum compatibility. It is also the
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# slowest and not desirable in many situations. Users can override by setting
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# PKGSRC_BLAS_TYPES. (See comment above)
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_BLAS_TYPES= netlib openblas openblas_pthread openblas_openmp
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# Darwin
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.if exists(/System/Library/Frameworks/Accelerate.framework)
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_BLAS_TYPES+= accelerate.framework
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.endif
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BLAS_ACCEPTED?= ${_BLAS_TYPES}
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PKGSRC_BLAS_TYPES?= ${_BLAS_TYPES}
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_BLAS_MATCH=
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.for b in ${PKGSRC_BLAS_TYPES}
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_BLAS_MATCH+= ${BLAS_ACCEPTED:M${b}}
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.endfor
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.if !empty(_BLAS_MATCH)
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BLAS_TYPE= ${_BLAS_MATCH:[1]}
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.else
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BLAS_TYPE= none
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.endif
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.if ${BLAS_TYPE} == "netlib"
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_BLAS_PKGPATH= math/lapack
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BLAS_LIBS= -lblas
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LAPACK_LIBS= -llapack ${BLAS_LIBS}
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.elif ${BLAS_TYPE} == "openblas"
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_BLAS_PKGPATH= math/openblas
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BLAS_LIBS= -lopenblas
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LAPACK_LIBS= ${BLAS_LIBS}
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.elif ${BLAS_TYPE} == "openblas_pthread"
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_BLAS_PKGPATH= math/openblas_pthread
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BLAS_LIBS= -lopenblas_pthread
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LAPACK_LIBS= ${BLAS_LIBS}
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.elif ${BLAS_TYPE} == "openblas_openmp"
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_BLAS_PKGPATH= math/openblas_openmp
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BLAS_LIBS= -lopenblas_openmp
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LAPACK_LIBS= ${BLAS_LIBS}
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.elif ${BLAS_TYPE} == "accelerate.framework"
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BLAS_LIBS= -framework Accelerate
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LAPACK_LIBS= ${BLAS_LIBS}
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.else # invalid or unimplemented type
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PKG_FAIL_REASON+= \
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"There is no acceptable BLAS for ${PKGNAME} in: ${PKGSRC_BLAS_TYPES}."
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.endif
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.if defined(_BLAS_PKGPATH)
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.include "../../${_BLAS_PKGPATH}/buildlink3.mk"
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.endif
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.endif # BLAS_BUILDLINK3_MK
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