calculate-overlay/gnome-extra/cinnamon-session/files/cinnamon-session-3.0.1-automagic.patch

--- a/configure.ac~	2016-05-20 13:03:13.000000000 +0200
+++ b/configure.ac	2016-06-25 17:36:55.389583194 +0200
@@ -56,7 +56,15 @@
 
 dnl We can only support old upower
 dnl https://bugzilla.gnome.org/show_bug.cgi?id=710383
-PKG_CHECK_MODULES(UPOWER, upower-glib < 0.99.0, have_old_upower=yes, have_old_upower=no)
+AC_ARG_ENABLE([old-upower],
+  AS_HELP_STRING([--disable-old-upower], [Do not check for old UPower API]),
+  [enable_old_upower=$enableval],
+  [enable_old_upower=auto])
+
+have_old_upower=no
+if test x$enable_old_upower != xno ; then
+  PKG_CHECK_MODULES(UPOWER, upower-glib < 0.99.0, have_old_upower=yes, have_old_upower=no)
+fi
 AS_IF([test x$have_old_upower = xyes], [
   AC_DEFINE([HAVE_OLD_UPOWER], [1], [Define if we have an older upower])
 ])
@@ -96,9 +104,15 @@
 dnl Check for logind
 dnl ====================================================================
 
-PKG_CHECK_MODULES(LOGIND, [gio-unix-2.0 libsystemd-login], [have_logind=yes], [
- PKG_CHECK_MODULES(LOGIND, [gio-unix-2.0 libsystemd], [have_logind=yes], [have_logind=no])
-])
+AC_ARG_ENABLE([logind],
+  AS_HELP_STRING([--disable-logind], [Do not check for logind]),
+  [enable_logind=$enableval],
+  [enable_logind=auto])
+
+have_logind=no
+if test x$enable_logind != xno ; then
+  PKG_CHECK_MODULES(LOGIND, [gio-unix-2.0 libsystemd >= 183], [have_logind=yes], [have_logind=no])
+fi
 
 if test x$have_logind = xyes; then
     AC_DEFINE(HAVE_LOGIND, 1, [Define if logind is supported])