determinism: change some fixed timestamp to != (time_t)0

vcunat removed the unrelated glib change.
Conflicts:
	pkgs/development/libraries/glib/default.nix
	pkgs/os-specific/linux/kernel/generic.nix
	pkgs/os-specific/linux/kernel/manual-config.nix

pkgs/development/interpreters/perl/5.16/no-impure-config-time.patch

@@ -4,7 +4,7 @@
  
  : who configured the system
  cf_time=`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`
-+cf_time='Thu Jan  1 00:00:00 UTC 1970'
++cf_time='Thu Jan  1 00:00:01 UTC 1970'
 +
  case "$cf_by" in
  "")

pkgs/development/libraries/libgcrypt/no-build-timestamp.patch

@@ -5,7 +5,7 @@ diff -ur libgcrypt-1.5.3.orig/configure libgcrypt-1.5.3/configure
  
  
  BUILD_TIMESTAMP=`date -u +%Y-%m-%dT%H:%M+0000 2>/dev/null || date`
-+BUILD_TIMESTAMP=1970-01-01T00:00+0000
++BUILD_TIMESTAMP=1970-01-01T00:01+0000
  
  
  cat >>confdefs.h <<_ACEOF

pkgs/development/libraries/libgpg-error/default.nix

@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1dapxzxl1naghf342fwfc2w2f2c5hb9gr1a1s4n8dsqn26kybx1z";
   };
 
-  postPatch = "sed '/BUILD_TIMESTAMP=/s/=.*/=1970-01-01T00:00+0000/' -i ./configure";
+  postPatch = "sed '/BUILD_TIMESTAMP=/s/=.*/=1970-01-01T00:01+0000/' -i ./configure";
 
   # If architecture-dependent MO files aren't available, they're generated
   # during build, so we need gettext for cross-builds.

pkgs/os-specific/linux/kernel/generic.nix

@@ -57,6 +57,7 @@ let
     autoModules = stdenv.platform.kernelAutoModules;
     arch = stdenv.platform.kernelArch;
 
+    KBUILD_BUILD_TIMESTAMP = 1; # (time_t)1
     crossAttrs = let
         cp = stdenv.cross.platform;
       in {

pkgs/os-specific/linux/kernel/manual-config.nix

@@ -104,7 +104,7 @@ let
         buildFlagsArray+=("KBUILD_BUILD_TIMESTAMP=Thu Jan 1 00:00:01 UTC 1970")
       '';
 
-      buildFlags = [
+      KBUILD_BUILD_TIMESTAMP=1; # (time_t)1
         "KBUILD_BUILD_VERSION=1-NixOS"
         platform.kernelTarget
       ] ++ optional isModular "modules";