Add --enable-logit to configure, disabled by default

Since sysklogd now ships an excellent enhanced logger tool there is no
need for Finit to provide its own tool for the same purpose by default.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

configure.ac

@@ -73,6 +73,10 @@ AC_ARG_ENABLE(watchdog,
         AS_HELP_STRING([--enable-watchdog], [Enable built-in watchdog, uses /dev/watchdog]),,[
 	enable_watchdog=no])
 
+AC_ARG_ENABLE(logit,
+     AS_HELP_STRING([--enable-logit], [Enable logger (sysklogd) replacement, default: disabled]),,[
+     enable_logit=no])
+
 AC_ARG_ENABLE(redirect,
         AS_HELP_STRING([--enable-redirect], [Redirect service output to /dev/null, default: no]),,[
 	enable_redirect_output=no])
@@ -144,7 +148,6 @@ AC_ARG_WITH(random-seed,
         AS_HELP_STRING([--with-random-seed=FILE], [Save a random seed for /dev/urandom across reboots, default /var/lib/misc/random-seed]),
 	[random_seed=$withval], [random_seed=/var/lib/misc/random-seed])
 
-
 ### Enable features ###########################################################################
 
 # Create config.h from selected features and fallback defautls
@@ -239,6 +242,7 @@ AS_IF([test "x$with_random_seed" != "xno"], [
 AM_CONDITIONAL(STATIC,    [test "x$enable_static" = "xyes"])
 AM_CONDITIONAL(INETD,     [test "x$enable_inetd" = "xyes"])
 AM_CONDITIONAL(WATCHDOGD, [test "x$enable_watchdog" = "xyes"])
+AM_CONDITIONAL(LOGIT,     [test "x$enable_logit" = "xyes"])
 AM_CONDITIONAL(DOCS,      [test "x$enable_docs" = "xyes"])
 AM_CONDITIONAL(CONTRIB,   [test "x$enable_contrib" = "xyes"])
 
@@ -284,6 +288,7 @@ Optional features:
   Built-in inetd........: $enable_inetd
   Built-in watchdogd....: $enable_watchdog
   Built-in logrotate....: $enable_logrotate
+  Scripting tool logit..: $enable_logit
   Emergency shell.......: $enable_emergency_shell
   Fallback shell........: $enable_fallback_shell
   Remount / RW at boot..: $enable_rw_rootfs

src/Makefile.am

@@ -8,15 +8,17 @@ else
 AM_LDFLAGS         = -export-dynamic
 endif
 
-bin_PROGRAMS       = logit
 sbin_PROGRAMS      = finit initctl reboot
 pkglibexec_SCRIPTS = cgreaper.sh
 if WATCHDOGD
 pkglibexec_PROGRAMS = watchdogd
 endif
 
+if LOGIT
+bin_PROGRAMS       = logit
 logit_SOURCES      = logit.c
 logit_CFLAGS       = -W -Wall -Wextra -Wno-unused-parameter -std=gnu99
+endif
 
 finit_SOURCES      = api.c	cgroup.c	cgroup.h	\
 		     cond.c	cond-w.c	cond.h		\