Remove/patch unreproducible config data.
---
 configure           | 9 ++++++++-
 libhdf4.settings.in | 6 +++---
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/configure b/configure
index eb9f346..ebab94d 100755
--- a/configure
+++ b/configure
@@ -23163,7 +23163,14 @@ H4_VERSION="`cut -d' ' -f3 $srcdir/README.txt | head -1`"
 
 
 ## Configuration date
- CONFIG_DATE="`date`"
+CONFIG_DATE="`date -u`"
+if test -n "$SOURCE_DATE_EPOCH"; then
+  CONFIG_DATE=`date -u -d "@$SOURCE_DATE_EPOCH" 2>/dev/null \
+               || date -u -r "$SOURCE_DATE_EPOCH" 2>/dev/null`
+  if test -z "$CONFIG_DATE"; then
+    as_fn_error $? "malformed SOURCE_DATE_EPOCH" "$LINENO" 5
+  fi
+fi
 
 ## 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