Remove/patch unreproducible config data.

diff --git a/configure b/configure
index eb9f346..ebab94d 100755
--- a/configure
+++ b/configure
@@ -23163,7 +23163,7 @@ H4_VERSION="`cut -d' ' -f3 $srcdir/README.txt | head -1`"
 
 
 ## Configuration date
- CONFIG_DATE="`date`"
+CONFIG_DATE=`date -u -d "@$SOURCE_DATE_EPOCH"`
 
 ## User doing the configuration
  CONFIG_USER="`whoami`@`hostname`"
diff --git a/libhdf4.settings.in b/libhdf4.settings.in
index 1d9bbb9..4180d72 100644
--- a/libhdf4.settings.in
+++ b/libhdf4.settings.in
@@ -5,10 +5,10 @@ General Information:
 -------------------
 		   HDF4 Version: @H4_VERSION@
 		  Configured on: @CONFIG_DATE@
-		  Configured by: @CONFIG_USER@
+		  Configured by: guix
 		 Configure mode: @CONFIG_MODE@
-		    Host system: @host_cpu@-@host_vendor@-@host_os@
-              Uname information: @UNAME_INFO@
+		    Host system: guix
+              Uname information: guix
 		      Libraries: @STATIC_SHARED@
 	     Installation point: @prefix@
 
-- 
2.10.0
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<tr><td><span title='2019-03-10 21:32:38 +0300'>2019-03-10</span></td><td><a href='/guix/commit/gnu/services/configuration.scm?id=d132d9f96ba34bca58b18e293e03b393054fd962'>services: configuration: Add '%location'.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2018-03-03 18:21:52 +0100'>2018-03-03</span></td><td><a href='/guix/commit/gnu/services/configuration.scm?id=bdcf0e6fd484a54240a98ddf8b6fa433c1b9bd6c'>services: messaging: Prosody config supports file-like objects.</a><span class='msg-avail'>...</span></td><td>Clément Lassieur</td></tr>
<tr><td><span title='2017-11-28 03:49:47 +0100'>2017-11-28</span></td><td><a href='/guix/commit/gnu/services/configuration.scm?id=19ff1f2687ab5ceeee6335dce2794590d0f4aa27'>services: configuration: Show default values of list types.</a><span class='msg-avail'>...</span></td><td>Clément Lassieur</td></tr>
<tr><td><span title='2017-03-24 16:09:17 +0100'>2017-03-24</span></td><td><a href='/guix/commit/gnu/services/configuration.scm?id=d02c3c2234a3d3880b16efc263178d269bea0412'>services: configuration: Rewrite id procedure.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2017-03-24 16:09:17 +0100'>2017-03-24</span></td><td><a href='/guix/commit/gnu/services/configuration.scm?id=e7c797f3481a35905a5861059294815b2210f889'>services: Factorize define-maybe macro.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2017-03-12 19:09:32 +0100'>2017-03-12</span></td><td><a href='/guix/commit/gnu/services/configuration.scm?id=720cb10c15a4606fe0dc3511db4fef325f3d9dc6'>services: Move configuration functions that shouldn't be factorized.</a><span class='msg-avail'>...</span></td><td>Clément Lassieur</td></tr>
<tr><td><span title='2017-01-08 23:39:36 +0100'>2017-01-08</span></td><td><a href='/guix/commit/gnu/services/configuration.scm?id=78cef99b9812f1bb43708f84d316d286a1599bdf'>gnu: Add Prosody service.</a><span class='msg-avail'>...</span></td><td>Clément Lassieur</td></tr>
<tr><td><span title='2016-12-03 18:00:32 +0100'>2016-12-03</span></td><td><a href='/guix/commit/gnu/services/configuration.scm?id=8e3f813f224f948d74122b18016c7eccad95cbe1'>gnu: Add Kerberos client service.</a><span class='msg-avail'>...</span></td><td>John Darrington</td></tr>
<tr><td><span title='2016-11-26 19:46:01 +0100'>2016-11-26</span></td><td><a href='/guix/commit/gnu/services/configuration.scm?id=5305ed20027a32ff1221cac6a131849852e807ba'>services: Factorize configuration abstraction.</a><span class='msg-avail'>...</span></td><td>Julien Lepiller</td></tr>