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[bug#49616] [PATCH] gnu: go-1.16: Honor #:parallel-build?

From: Sarah Morgensen
Subject: [bug#49616] [PATCH] gnu: go-1.16: Honor #:parallel-build?
Date: Sat, 17 Jul 2021 21:05:59 -0700

* gnu/packages/golang.scm (go-1.16)[arguments]<#:phases>{build}: Honor

Does what it says on the tin. (Looks like I missed in the original go-1.16

 gnu/packages/golang.scm | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/golang.scm b/gnu/packages/golang.scm
index a830afa022..7bbd62f3cd 100644
--- a/gnu/packages/golang.scm
+++ b/gnu/packages/golang.scm
@@ -1513,10 +1513,12 @@ in the style of communicating sequential processes 
                  (substitute* "time/zoneinfo_unix.go"
                    (("/usr/share/zoneinfo/") tzdata-path)))))
            (replace 'build
-             (lambda* (#:key inputs outputs #:allow-other-keys)
+             (lambda* (#:key inputs outputs (parallel-build? #t)
+                       #:allow-other-keys)
                ;; FIXME: Some of the .a files are not bit-reproducible.
                ;; (Is this still true?)
-               (let* ((output (assoc-ref outputs "out"))
+               (let* ((njobs (if parallel-build? (parallel-job-count) 1))
+                      (output (assoc-ref outputs "out"))
                       (loader (string-append (assoc-ref inputs "libc")
                  (setenv "CC" (which "gcc"))
@@ -1525,6 +1527,7 @@ in the style of communicating sequential processes 
                  (setenv "GOROOT" (dirname (getcwd)))
                  (setenv "GOROOT_FINAL" output)
                  (setenv "GOCACHE" "/tmp/go-cache")
+                 (setenv "GOMAXPROCS" (number->string njobs))
                  (invoke "sh" "make.bash" "--no-banner"))))
            (replace 'check
              (lambda* (#:key target (tests? (not target)) (parallel-tests? #t)

base-commit: 9cb35c02164d929fcb8929e7f454df215df8cf25

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