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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<div class='path'>path: <a href='/guix/log/?id=ab9f9b582e510e3d1133ec29242e70fca1d2997a'>root</a>/<a href='/guix/log/gnu?id=ab9f9b582e510e3d1133ec29242e70fca1d2997a'>gnu</a>/<a href='/guix/log/gnu/packages?id=ab9f9b582e510e3d1133ec29242e70fca1d2997a'>packages</a>/<a href='/guix/log/gnu/packages/patches?id=ab9f9b582e510e3d1133ec29242e70fca1d2997a'>patches</a>/<a href='/guix/log/gnu/packages/patches/curlftpfs-fix-file-names.patch?id=ab9f9b582e510e3d1133ec29242e70fca1d2997a'>curlftpfs-fix-file-names.patch</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/patches/curlftpfs-fix-file-names.patch?id=ab9f9b582e510e3d1133ec29242e70fca1d2997a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-07-23 02:00:00 +0200'>2023-07-23</span></td><td><a href='/guix/commit/gnu/packages/patches/curlftpfs-fix-file-names.patch?id=8244aea1829eec8aa68289d9832e3b77a26fbed9'>gnu: curlftpfs: Add patches to fix bugs.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/file-systems.scm (curlftpfs)[source]: Add patches.
* gnu/packages/patches/curlftpfs-fix-error-closing-file.patch,
gnu/packages/patches/curlftpfs-fix-file-names.patch,
gnu/packages/patches/curlftpfs-fix-memory-leak.patch,
gnu/packages/patches/curlftpfs-fix-no_verify_hostname.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>