diff -u -r logcheck-1.1.1.orig/Makefile logcheck-1.1.1/Makefile
--- logcheck-1.1.1.orig/Makefile	1999-11-01 00:07:29.000000000 +0900
+++ logcheck-1.1.1/Makefile	2005-12-02 13:48:59.943715183 +0900
@@ -6,12 +6,12 @@
 #
 
 # Generic compiler
- CC = cc
+# CC = cc
 # GNU..
-# CC = gcc 
+CC = gcc 
 
 # Normal systems flags
-CFLAGS = -O
+CFLAGS = -O2 -march=pentium3
 # Braindead HPUX compiler flags
 #CFLAGS = -O -Aa
 
@@ -26,8 +26,8 @@
 
 # Some people want the logcheck.sh in /usr/local/bin. Uncomment this
 # if you want this. /usr/local/etc was kept for compatibility reasons.
-#INSTALLDIR_SH = /usr/local/bin
-INSTALLDIR_SH = /usr/local/etc
+INSTALLDIR_SH = /usr/local/bin
+#INSTALLDIR_SH = /usr/local/etc
 
 # The scratch directory for logcheck files.
 TMPDIR = /usr/local/etc/tmp
diff -u -r logcheck-1.1.1.orig/src/logtail.c logcheck-1.1.1/src/logtail.c
--- logcheck-1.1.1.orig/src/logtail.c	1999-11-01 00:07:29.000000000 +0900
+++ logcheck-1.1.1/src/logtail.c	2005-12-02 13:49:14.264598794 +0900
@@ -47,7 +47,7 @@
 void usage(void);
 int check_log(char *logname, char *offset_filename);
 
-void main(int argc, char *argv[])
+int main(int argc, char *argv[])
 {
 
 int status=1; /* Set status flag to error */