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-rw-r--r--gnu/packages/patches/perl-reproducible-build-date.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/gnu/packages/patches/perl-reproducible-build-date.patch b/gnu/packages/patches/perl-reproducible-build-date.patch
index d5bd25dbfb..bf0d4b8f6d 100644
--- a/gnu/packages/patches/perl-reproducible-build-date.patch
+++ b/gnu/packages/patches/perl-reproducible-build-date.patch
@@ -3,6 +3,14 @@ Don't encode the current timestamp.
This affects the output of `perl -V`, specifically the message "Compiled
at [...]".
+The 'cf_time' and 'cf_by' values show up in 'config.h' and
+in 'Config_heavy.pl'.
+
+Use the output of 'uname -s' instead of 'uname -a' to avoid recording
+the kernel version ('uname -o' leads to directory names like
+'x86_64-gnulinux' instead of 'x86_64-linux', which might cause breakage
+down the road.)
+
diff --git a/perl.c b/perl.c
index 228a0d8..ed38313 100644
--- a/perl.c
@@ -15,3 +23,28 @@ index 228a0d8..ed38313 100644
#ifndef PERL_BUILD_DATE
# ifdef __DATE__
# ifdef __TIME__
+
+--- a/Configure 1970-01-01 01:00:00.000000000 +0100
++++ b/Configure 2016-10-01 14:47:20.017319739 +0200
+@@ -3276,7 +3276,7 @@ $eunicefix tr
+ : Try to determine whether config.sh was made on this system
+ case "$config_sh" in
+ '')
+-myuname=`$uname -a 2>/dev/null`
++myuname=`$uname -s 2>/dev/null`
+ $test -z "$myuname" && myuname=`hostname 2>/dev/null`
+ # Downcase everything to avoid ambiguity.
+ # Remove slashes and single quotes so we can use parts of this in
+@@ -3845,10 +3845,10 @@
+ . ./posthint.sh
+
+ : who configured the system
+-cf_time=`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`
++cf_time="1970-01-01"
+ case "$cf_by" in
+ "")
+- cf_by=`(logname) 2>/dev/null`
++ cf_by="guix"
+ case "$cf_by" in
+ "")
+ cf_by=`(whoami) 2>/dev/null`