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gnu: openblas: Update make-flags comments and coding style. 

* gnu/packages/maths.scm (openblas)[arguments]: In the make-flags use
the target-* macros. Adjust the wording describing why the different
architectures have the flags they do.
master
Efraim Flashner 2023-06-01 11:07:17 +03:00
parent 076688fa1e
commit 4abf0af4b1
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1 changed files with 20 additions and 19 deletions
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gnu/packages/maths.scm
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@ -4587,32 +4587,33 @@ parts of it.")
;; of cores of the build machine, which is obviously wrong.
"NUM_THREADS=128"
;; Build the library for all supported CPUs. This allows
;; switching CPU targets at runtime with the environment variable
;; OPENBLAS_CORETYPE=<type>, where "type" is a supported CPU type.
;; Unfortunately, this is not supported on all architectures,
;; where it leads to failed builds.
#$@(let ((system (or (%current-target-system) (%current-system))))
(cond
((or (string-prefix? "x86_64" system)
(string-prefix? "i686" system)
(string-prefix? "powerpc64le" system)
(string-prefix? "aarch64" system))
;; Dynamic older enables a few extra CPU architectures that
;; were released before 2010.
;; DYNAMIC_ARCH is only supported on some architectures.
;; DYNAMIC_ARCH combined with TARGET=GENERIC provides a library
;; which uses the optimizations for the detected CPU. This can
;; be overridden at runtime with the environment variable
;; OPENBLAS_CORETYPE=<type>, where "type" is a supported CPU
;; type. On other architectures we target only the baseline CPU
;; supported by Guix.
#$@(cond
((or (target-x86-64?)
(target-x86-32?)
(target-ppc64le?)
(target-aarch64?))
;; Dynamic older enables a few extra CPU architectures
;; on x86_64 that were released before 2010.
'("DYNAMIC_ARCH=1" "DYNAMIC_OLDER=1" "TARGET=GENERIC"))
;; On some of these architectures the CPU can't be detected.
;; On some of these architectures the CPU type can't be detected.
;; We list the oldest CPU core we want to have support for.
;; On MIPS we force the "SICORTEX" TARGET, as for the other
;; two available MIPS targets special extended instructions
;; for Loongson cores are used.
((string-prefix? "mips" system)
((target-mips64el?)
'("TARGET=SICORTEX"))
;; Failed to detect CPU.
((string-prefix? "armhf" system)
((target-arm32?)
'("TARGET=ARMV7"))
((string-prefix? "riscv64" system)
((target-riscv64?)
'("TARGET=RISCV64_GENERIC"))
(else '()))))
(else '())))
;; no configure script
#:phases
#~(modify-phases %standard-phases