Add an option to explicitly disable the monitor (and therefore the dependency on
json-c and ncurses).

Upstream-Status: Pending
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/configure.ac b/configure.ac
index cd781a2..e56079a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -570,13 +574,16 @@ dnl See if we have enough libraries and tools to build the virt server
 fi
 AM_CONDITIONAL([BUILD_VIRT], [test "${have_libvirt}" == "yes" -a "${have_libxml2}" == "yes" -a "$enable_virt" != "no"])

+AC_ARG_ENABLE([monitor], AS_HELP_STRING([--disable-monitor],[Disable monitor]))
+if test "$enable_monitor" != "no"; then
 dnl Check for presence of json-c and ncurses for use in monitor mode
 PKG_CHECK_MODULES([jsonc], [json-c], [have_jsonc=yes], [have_jsonc=no])
 PKG_CHECK_MODULES([ncurses], [ncurses], [have_ncurses=yes], [have_ncurses=no])
-AM_CONDITIONAL([HAVE_MONITOR_LIBS], [test "${have_jsonc}" == "yes" -a "${have_ncurses}" == "yes"])
 if test "${have_jsonc}" == "yes" -a "${have_ncurses}" == yes; then
   AC_DEFINE([HAVE_MONITOR_LIBS],[1],[Define to 1 if json-c and ncurses libraries are installed])
 fi
+fi
+AM_CONDITIONAL([HAVE_MONITOR_LIBS], [test "${have_jsonc}" == "yes" -a "${have_ncurses}" == "yes" -a "$enable_monitor" != "no"])

 AC_CACHE_CHECK([for assembler .section "?" flags support], stap_cv_sectionq, [
 old_CFLAGS="$CFLAGS"