branch master updated: gnu: b2sum: Produce generic binaries and enable tuning.

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     new 386adb6df0 gnu: b2sum: Produce generic binaries and enable tuning.
386adb6df0 is described below

commit 386adb6df0e00e7170df0cdfaf0e04c38d0f3e11
Author: Leo Famulari <leo@famulari.name>
AuthorDate: Fri Mar 18 12:56:28 2022 -0400

    gnu: b2sum: Produce generic binaries and enable tuning.
    
    * gnu/packages/crypto.scm (b2sum)[arguments]: Add 'de-tune' phase.
    [properties]: Mark the package as tunable.
---
 gnu/packages/crypto.scm | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/crypto.scm b/gnu/packages/crypto.scm
index cf8bc111e1..63be51f86a 100644
--- a/gnu/packages/crypto.scm
+++ b/gnu/packages/crypto.scm
@@ -873,6 +873,11 @@ BLAKE.")
            (add-before 'build 'change-directory
                        (lambda _
                          (chdir "b2sum")))
+           ;; Produce generic binaries
+           (add-after 'change-directory 'de-tune
+                       (lambda _
+                         (substitute* "makefile"
+                           ((" -march=native") ""))))
            (delete 'configure)))) ; No ./configure script
       (home-page "https://www.blake2.net/";)
       (synopsis "BLAKE2 checksum tool")
@@ -880,7 +885,11 @@ BLAKE.")
 SHA-1, SHA-2, and SHA-3, yet is at least as secure as SHA-3.")
       ;; You may also choose to redistribute this program as Apache 2.0 or the
       ;; OpenSSL license. See 'b2sum/b2sum.c' in the source distribution.
-      (license license:cc0))))
+      (license license:cc0)
+      ;; There is a significant speedup when the compiler generates
+      ;; instructions tuned to the CPU of the running machine:
+      ;; https://debbugs.gnu.org/cgi/bugreport.cgi?bug=51198#22
+      (properties '((tunable? . #true))))))
 
 (define-public rhash
   (package