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
+++ b/perl.c
@@ -1825,6 +1825,7 @@ S_Internals_V(pTHX_ CV *cv)
PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options,
sizeof(non_bincompat_options) - 1, SVs_TEMP));
+#define PERL_BUILD_DATE "Jan 1 1970 00:00:00"
#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`
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