diff -Nur webalizer-1.30-04/Makefile.in webalizer-1.30-04-zlib/Makefile.in
--- webalizer-1.30-04/Makefile.in	Tue Jun 29 14:12:40 1999
+++ webalizer-1.30-04-zlib/Makefile.in	Sun Sep  5 11:18:13 1999
@@ -33,15 +33,19 @@
 # where are the GD header files?
 GDLIB  = @GDLIB@
 
+# zlib support
+#ZLIB_DEFS   = -DZLIB	# -I/usr/local/include
+#ZLIB_LIBS   = -lz	# -L/usr/local/lib
+
 # Shouldn't have to touch below here!
 
 all: webalizer
 
 webalizer: webalizer.o webalizer.h graphs.o graphs.h ctry.h webalizer_lang.h
-	$(CC) ${LDFLAGS} -o webalizer webalizer.o graphs.o ${LIBS}
+	$(CC) ${LDFLAGS} -o webalizer webalizer.o graphs.o ${LIBS} ${ZLIB_LIBS}
 
 webalizer.o: webalizer.c webalizer.h webalizer_lang.h ctry.h
-	$(CC) ${CFLAGS} ${DEFS} -c webalizer.c
+	$(CC) ${CFLAGS} ${DEFS} ${ZLIB_DEFS} -c webalizer.c
 
 graphs.o: graphs.c graphs.h webalizer_lang.h
 	$(CC) ${CFLAGS} ${DEFS} -I${GDLIB} -c graphs.c
diff -Nur webalizer-1.30-04/webalizer.c webalizer-1.30-04-zlib/webalizer.c
--- webalizer-1.30-04/webalizer.c	Mon Jul 12 02:36:10 1999
+++ webalizer-1.30-04-zlib/webalizer.c	Sun Sep  5 08:19:29 1999
@@ -64,6 +64,18 @@
 #define CLK_TCK _SC_CLK_TCK
 #endif
 
+/* zlib */
+#ifdef ZLIB
+#include <zlib.h>
+#define FOPEN(f,m)	gzopen(f, m)
+#define FCLOSE(f)	gzclose(f)
+#define FGETS(b,s,f)	gzgets(f,b,s)
+#else
+#define FOPEN(f,m)	fopen(f, m)
+#define FCLOSE(f)	fclose(f)
+#define FGETS(b,s,f)	fgets(b,s,f)
+#endif
+
 /*********************************************/
 /* GLOBAL VARIABLES                          */
 /*********************************************/
@@ -344,7 +356,7 @@
    /* open log file */
    if (log_fname)
    {
-      log_fp = fopen(log_fname,"r");
+      log_fp = FOPEN(log_fname,"r");
       if (!log_fp)
       {
          /* Error: Can't open log file ... */
@@ -440,7 +452,7 @@
    /* MAIN PROCESS LOOP - read through log file */
    /*********************************************/
 
-   while ((fgets(buffer, BUFSIZE, log_fname?log_fp:stdin)) != NULL)
+   while ((FGETS(buffer, BUFSIZE, log_fname?log_fp:stdin)) != NULL)
    {
       total_rec++;
       if (strlen(buffer) == (BUFSIZE-1))
@@ -455,7 +467,7 @@
          total_bad++;                     /* bump bad record counter      */
 
          /* get the rest of the record */
-         while ( (fgets(buffer,BUFSIZE,log_fname?log_fp:stdin)) != NULL)
+         while ( (FGETS(buffer,BUFSIZE,log_fname?log_fp:stdin)) != NULL)
          {
             if (strlen(buffer) < BUFSIZE-1)
             {
@@ -1101,7 +1113,7 @@
    /*********************************************/
 
    /* only close log if really a file */
-   if (log_fname) fclose(log_fp);            /* close log file           */
+   if (log_fname) FCLOSE(log_fp);            /* close log file           */
 
    if (good_rec)                             /* were any good records?   */
    {