01/01: gnu: nspr: Build reproducibly.

[Marius Bakke]

mbakke pushed a commit to branch staging
in repository guix.

commit 6d7786ff13c91f9881a0bbf424b71e2560dca168
Author: Marius Bakke <address@hidden>
Date:   Sat Jan 13 18:15:17 2018 +0100

    gnu: nspr: Build reproducibly.
    
    Fixes <https://bugs.gnu.org/30097>.
    Reported by Gábor Boskovits <address@hidden>.
    
    * gnu/packages/gnuzilla.scm (nspr)[arguments]: Add #:make-flags to prevent
    indeterministic timestamps from being recorded.
---
 gnu/packages/gnuzilla.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gnu/packages/gnuzilla.scm b/gnu/packages/gnuzilla.scm
index a0819b8..388c5db 100644
--- a/gnu/packages/gnuzilla.scm
+++ b/gnu/packages/gnuzilla.scm
@@ -268,6 +268,10 @@ in C/C++.")
                                (string-append "LDFLAGS=-Wl,-rpath="
                                               (assoc-ref %outputs "out")
                                               "/lib"))
+       ;; Use fixed timestamps for reproducibility.
+       #:make-flags '("SH_DATE='1970-01-01 00:00:01'"
+                      ;; This is epoch 1 in microseconds.
+                      "SH_NOW=100000")
        #:phases (modify-phases %standard-phases
                   (add-before 'configure 'chdir
                     (lambda _ (chdir "nspr") #t)))))