From d3377251d880cbccb387f28e02928db525c7e34d Mon Sep 17 00:00:00 2001
From: Guillaume Le Vaillant <glv@posteo.net>
Date: Sat, 12 Jun 2021 11:16:38 +0200
Subject: gnu: liquid-dsp: Make reproducibility explicit.

* gnu/packages/radio.scm (liquid-dsp)[native-inputs]: Add automake.
  [arguments]: Add flag to disable SIMD instructions to 'configure-flags'.
---
 gnu/packages/radio.scm | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'gnu/packages')

diff --git a/gnu/packages/radio.scm b/gnu/packages/radio.scm
index af248c8a82..d0b7446c3c 100644
--- a/gnu/packages/radio.scm
+++ b/gnu/packages/radio.scm
@@ -136,12 +136,15 @@ useful in modems implemented with @dfn{digital signal processing} (DSP).")
               (base32 "1n6dbg13q8ga5qhg1yiszwly4jj0rxqr6f1xwm9waaly5z493xsd"))))
     (build-system gnu-build-system)
     (native-inputs
-     `(("autoconf" ,autoconf)))
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)))
     (inputs
      `(("fftwf" ,fftwf)
        ("libfec" ,libfec)))
     (arguments
-     `(#:phases
+     `(;; For reproducibility, disable use of SSE3, SSE4.1, etc.
+       #:configure-flags '("--enable-simdoverride")
+       #:phases
        (modify-phases %standard-phases
          (add-after 'install 'delete-static-library
            (lambda* (#:key outputs #:allow-other-keys)
-- 
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