The configure scripts show usage of zlib compression

ChangeLog

@@ -6,6 +6,8 @@ v0.39.1		22-Oct-2003
 	general:
 		Make dist now creates bzip2 archives.
 		Two html pages are now under control of configure.
+		The configure scripts shows the use of zlib compression for
+		Hydra.
 
 	upgrade:
 		If you don't have any personal archivers, then remove 

configure

@@ -4461,7 +4461,9 @@ if test `eval echo '${'$as_ac_Header'}'` = yes; then
   cat >>confdefs.h <<_ACEOF
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
-
+ ZLIBSUP=Yes
+else
+  ZLIBSUP=No
 fi
 
 done
@@ -10098,6 +10100,7 @@ echo "$as_me:$LINENO: result:
   Configuration summary :
 
     Version : ..................... ${VERSION}
+    Hydra zlib compression : ...... ${ZLIBSUP}
 " >&5
 echo "${ECHO_T}
 -=-=-=-=-=-=-=-=-=-= Configuration Complete =-=-=-=-=-=-=-=-=-=-
@@ -10105,6 +10108,7 @@ echo "${ECHO_T}
   Configuration summary :
 
     Version : ..................... ${VERSION}
+    Hydra zlib compression : ...... ${ZLIBSUP}
 " >&6
 
 if test x$ac_cv_c_compiler_gnu = xyes ; then

configure.in

@@ -126,7 +126,7 @@ fi
 AC_CHECK_LIB(z,compress2,result=yes,result=no)
 if test "$result" = "yes"; then
   LIBS="$LIBS -lz"
-  AC_CHECK_HEADERS(zlib.h)
+  AC_CHECK_HEADERS(zlib.h,ZLIBSUP=Yes,ZLIBSUP=No)
 fi
 
 dnl Checks for header files.
@@ -285,6 +285,7 @@ AC_MSG_RESULT([
   Configuration summary :
 
     Version : ..................... ${VERSION}
+    Hydra zlib compression : ...... ${ZLIBSUP}
 ])
 
 if test x$ac_cv_c_compiler_gnu = xyes ; then