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transformations: Wrap go binary. 

* guix/transformations.scm (tuning-compiler): Adjust to wrap the go
binary with the appropriate environment variable.
(build-system-with-tuning-compiler): Remove custom 'set-microarchitecture
phase.
Efraim Flashner 2023-07-25 16:02:14 +03:00
parent 11751b016d
commit 1fd4f544b3
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GPG Key ID: 41AAE7DCCA3D8351
1 changed files with 22 additions and 24 deletions
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46
guix/transformations.scm
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@ -441,6 +441,9 @@ actual compiler."
#~(begin
(use-modules (ice-9 match))
(define psabi #$(gcc-architecture->micro-architecture-level
micro-architecture))
(define* (search-next command
#:optional
(path (string-split (getenv "PATH")
@ -469,10 +472,25 @@ actual compiler."
(match (search-next (basename command))
(#f (exit 127))
(next
(apply execl next
(if (and (search-next "go")
(string=? next (search-next "go")))
(cond
((string-prefix? "arm" psabi)
(setenv "GOARM" (string-take-right psabi 1)))
((string-prefix? "powerpc" psabi)
(setenv "GOPPC64" psabi))
((string-prefix? "x86_64" psabi)
(setenv "GOAMD" (string-take-right psabi 2)))
(else #t))
'())
(apply
execl next
(append (cons next arguments)
(if (and (search-next "go")
(string=? next (search-next "go")))
'()
(list (string-append "-march="
#$micro-architecture))))))))))
#$micro-architecture)))))))))))
(define program
(program-file (string-append "tuning-compiler-wrapper-" micro-architecture)
@ -489,7 +507,8 @@ actual compiler."
(for-each (lambda (program)
(symlink #$program
(string-append bin "/" program)))
'("cc" "gcc" "clang" "g++" "c++" "clang++")))))))
'("cc" "gcc" "clang" "g++" "c++" "clang++"
"go")))))))
(define (build-system-with-tuning-compiler bs micro-architecture)
"Return a variant of BS, a build system, that ensures that the compiler that
@ -564,27 +583,6 @@ micro-architectures:
(bag
(inherit lowered)
(arguments
(substitute-keyword-arguments (bag-arguments lowered)
;; We add the tuning parameter after the default GO flags are set.
((#:phases phases '%standard-phases)
#~(modify-phases #$phases
(add-after 'setup-go-environment 'set-microarchitecture
(lambda _
(cond
((string-prefix? "arm" #$psabi)
(setenv "GOARM" (string-take-right #$psabi 1))
(format #t "Setting GOARM to ~s."
(getenv "GOARM")))
((string-prefix? "powerpc" #$psabi)
(setenv "GOPPC64" #$psabi)
(format #t "Setting GOPPC64 to ~s."
(getenv "GOPPC64")))
((string-prefix? "x86_64" #$psabi)
(setenv "GOAMD" (string-take-right #$psabi 2))
(format #t "Setting GOAMD to ~s.\n"
(getenv "GOAMD")))
(else #t))))))))
(build-inputs
;; Arrange so that the compiler wrapper comes first in $PATH.
`(("tuning-compiler" ,(tuning-compiler micro-architecture))