From 4621acfd8272fa93d0530faa5f015b26a194b587 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Tue, 7 Feb 2017 20:00:10 +0100
Subject: [PATCH] gnu: r: Build default packages reproducibly.
This is a follow-up to commit de643f0c15677665acce73db9c28c5488e623633.
* gnu/packages/statistics.scm (r)[arguments]: Set the built timestamp for core
packages to the epoch; add phase "build-recommended-packages-reproducibly".
---
gnu/packages/statistics.scm | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index b4d95bdb718..133ce41c438 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -116,7 +116,9 @@ (define-public r
`(#:make-flags
(list (string-append "LDFLAGS=-Wl,-rpath="
(assoc-ref %outputs "out")
- "/lib/R/lib"))
+ "/lib/R/lib")
+ ;; This affects the embedded timestamp of only the core packages.
+ "PKG_BUILT_STAMP=1970-01-01")
#:phases
(modify-phases %standard-phases
(add-before 'configure 'patch-uname
@@ -126,8 +128,13 @@ (define-public r
(substitute* "src/scripts/R.sh.in"
(("uname") uname-bin)))
#t))
- (add-before
- 'configure 'set-default-pager
+ (add-after 'unpack 'build-recommended-packages-reproducibly
+ (lambda _
+ (substitute* "src/library/Recommended/Makefile.in"
+ (("INSTALL_OPTS =.*" line)
+ (string-append line " --built-timestamp=1970-01-01")))
+ #t))
+ (add-before 'configure 'set-default-pager
;; Set default pager to "cat", because otherwise it is "false",
;; making "help()" print nothing at all.
(lambda _ (setenv "PAGER" "cat") #t))
--
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