--- projects/cms/source/ihost/configure.in	2002/05/29 23:03:53	1.2
+++ projects/cms/source/ihost/configure.in	2003/02/03 16:33:29	1.8
@@ -1,29 +1,33 @@
-AC_INIT(ihost.c)
+dnl configure.in for i-scream ihost
+dnl $Id: configure.in,v 1.8 2003/02/03 16:33:29 tdb Exp $
+
+dnl Change these to change the package name and version
+AC_INIT(ihost, 1.0rc1, dev@i-scream.org.uk)
 AM_INIT_AUTOMAKE(ihost, 1.0rc1)
-dnl AC_CONFIG_SRCDIR([ihost.c])
-AM_CONFIG_HEADER([config.h])
 
+dnl The file we use to pass #define's to the source
+AM_CONFIG_HEADER(config.h)
+
+dnl We need a CC, install, and ranlib
 AC_PROG_CC
 AC_PROG_INSTALL
 AC_PROG_RANLIB
 
-dnl AC_HEADER_DIRENT
+dnl And we probably need the standard C bits
 AC_HEADER_STDC
-dnl AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h memory.h mntent.h netdb.h netinet/in.h stddef.h stdlib.h string.h sys/mount.h sys/param.h sys/socket.h sys/statvfs.h sys/time.h sys/vfs.h syslog.h unistd.h utmp.h])
 
-dnl AC_C_CONST
-dnl AC_TYPE_UID_T
-dnl AC_TYPE_PID_T
-dnl AC_TYPE_SIZE_T
-dnl AC_HEADER_TIME
+dnl The program needs to know whether it can use getloadavg
+AC_CHECK_FUNCS(getloadavg)
 
-dnl AC_FUNC_FORK
-AC_FUNC_GETLOADAVG
-dnl AC_FUNC_MALLOC
-dnl AC_CHECK_FUNCS([gethostbyname getmntent getmntinfo getpagesize inet_ntoa memmove memset socket strchr strdup strncasecmp strrchr strtol uname])
-
+dnl Figure out details about the host - we need the OS
 AC_CANONICAL_HOST
 
+dnl Default needing setgid kmem to false
+AM_CONDITIONAL(SETGIDKMEM, false)
+
+dnl Set things up for different OS's
+dnl We define the name of the OS so the code can act accordingly
+dnl We also need to add the right LDFLAGS
 case $host_os in
 solaris2.*)
 	AC_DEFINE(SOLARIS, , [Building on Solaris 2.x])
@@ -32,21 +36,27 @@ solaris2.*)
 freebsd4.*)
 	AC_DEFINE(FREEBSD, , [Building on FreeBSD 4.x])
 	LDFLAGS="$LDFLAGS -lkvm"
+	dnl FreeBSD needs ihost to be setgid kmem
+	AM_CONDITIONAL(SETGIDKMEM, true)
 	;;
 linux-gnu)
-	AC_DEFINE(LINUX, , [Building on GNU/Lunix])
+	AC_DEFINE(LINUX, , [Building on GNU/Linux])
 	;;
 *)
-	AC_MSG_ERROR([Cannot build on unknown OS: $build_os])
+	AC_MSG_ERROR([Cannot build on unknown OS: $host_os])
 	;;
 esac
 
-AC_ARG_WITH([pid-file], AC_HELP_STRING([--with-pid-file=FILE],[location of PID file (default: /var/tmp/.ihost.pid)]), [pid_file=$withval], [pid_file=[/var/tmp/.ihost.pid]])
-AC_DEFINE_UNQUOTED([PID_FILE], ["$pid_file"], [Location of PID file])
+dnl Check for the --with-pid-file option
+dnl define accordingly for the code, and subst for the scripts
+AC_ARG_WITH([pid-file], [  --with-pid-file=FILE    location of PID file (default: /var/tmp/.ihost.pid)], [pidfile=$withval], [pidfile=[/var/tmp/.ihost.pid]])
+AC_DEFINE_UNQUOTED([PID_FILE], ["$pidfile"], [Location of PID file])
+AC_SUBST([pidfile], [$pidfile])
 
-AC_ARG_WITH([max-udp-size], AC_HELP_STRING([--with-max-udp-size=SIZE],[maximum size of UDP packets in kilobytes (default: 8192kb)]), [max_udp_size=$withval], [max_udp_size=[8192]])
+dnl Check for the --with-max-udp-size option
+dnl define accordingly for the code
+AC_ARG_WITH([max-udp-size], [  --with-max-udp-size=KB  maximum size of UDP packets in kilobytes (default: 8192kb)], [max_udp_size=$withval], [max_udp_size=[8192]])
 AC_DEFINE_UNQUOTED([UDP_MAX_PACKET_SIZE], [$max_udp_size], [Maximum size of UDP packets in kilobytes])
 
-AC_CONFIG_FILES([Makefile libstatgrab/Makefile libukcprog/Makefile])
-
-AC_OUTPUT
+dnl And finish by changing these files
+AC_OUTPUT([Makefile libstatgrab/Makefile libukcprog/Makefile ihostchk.sh], [chmod ugo+x ihostchk.sh])