Check for gtk2+ only when manager is enabled

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Pending

Index: boinc-client_release-7.6-7.6.33/configure.ac
===================================================================
--- boinc-client_release-7.6-7.6.33.orig/configure.ac
+++ boinc-client_release-7.6-7.6.33/configure.ac
@@ -1033,6 +1033,11 @@ else
   AM_CONDITIONAL([GUI_GTK], false)
 fi
 
+dnl ---------- GTK+2.0-----------------------------------------------------
+if test "X${no_x}" != "Xyes"; then
+  PKG_CHECK_MODULES([GTK2], [gtk+-2.0])
+fi
+
 dnl ---------- libNotify --------------------------------------------------
 if test "${enable_manager}" = yes ; then
   PKG_CHECK_MODULES(LIBNOTIFY, [libnotify])
@@ -1082,7 +1087,6 @@ AM_CONDITIONAL(ENABLE_BOINCCRYPT, [test
 AM_CONDITIONAL(INSTALL_HEADERS, [test "${enable_install_headers}" = yes])
 AM_CONDITIONAL(HAVE_CUDA_LIB, [test "${enable_client}" = yes -a -f ./coprocs/CUDA/posix/${boinc_platform}/libcudart.so])
 
-PKG_CHECK_MODULES([GTK2], [gtk+-2.0])
 
 dnl ======================================================================
 dnl some more vodoo required for building portable client-binary (client, clientgui)