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authorGraham Christensen <graham@grahamc.com>2019-02-03 21:36:59 -0500
committerGraham Christensen <graham@grahamc.com>2019-02-04 09:10:22 -0500
commitdf8b6728a8e93cd97dccb1cbc9ab269c3e46d4e6 (patch)
treee47e137595aed763e005ba2624a02c0bad5b0e48 /pkgs/development/interpreters/perl
parent2b344e6a74c0825c0a4ce98f42d34039406ca502 (diff)
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perl: make reproducible
Perl likes to capture impure data, needlessly.

 - Configure time (cf_time): make 1 second past epoch
 - Target system (uname): use less uname information
Diffstat (limited to 'pkgs/development/interpreters/perl')
-rw-r--r--pkgs/development/interpreters/perl/default.nix5
1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/development/interpreters/perl/default.nix b/pkgs/development/interpreters/perl/default.nix
index 5e8f5e2d59b6..ecec2f11fc82 100644
--- a/pkgs/development/interpreters/perl/default.nix
+++ b/pkgs/development/interpreters/perl/default.nix
@@ -88,7 +88,10 @@ let
 
     enableParallelBuilding = !crossCompiling;
 
-    preConfigure = optionalString (!crossCompiling) ''
+    preConfigure = ''
+        substituteInPlace ./Configure --replace '`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`' 'Thu Jan  1 00:00:01 UTC 1970'
+        substituteInPlace ./Configure --replace '$uname -a' '$uname --kernel-name --machine --operating-system'
+      '' + optionalString (!crossCompiling) ''
         configureFlags="$configureFlags -Dprefix=$out -Dman1dir=$out/share/man/man1 -Dman3dir=$out/share/man/man3"
       '' + optionalString (stdenv.isAarch32 || stdenv.isMips) ''
         configureFlagsArray=(-Dldflags="-lm -lrt")