build-sys: use pkg-config to locate dependencies

This commit alters XRANDR (X Resize And Rotate) extension dependency,
which is expected to have at least version 1.4.  Earlier old versions of
xrandr were supported, at least to some extent.

1 files changed, 7 insertions, 10 deletions

diff --git a/src/Screen.cc b/src/Screen.cc
index 05d274a..7cdf150 100644
--- a/src/Screen.cc
+++ b/src/Screen.cc
@@ -392,21 +392,18 @@ BScreen::BScreen(FbTk::ResourceManager &rm,
 
 
 // setup RANDR for this screens root window
-#if defined(HAVE_RANDR1_2)
+#if defined(HAVE_RANDR)
     int randr_mask = RRScreenChangeNotifyMask;
-#ifdef RRCrtcChangeNotifyMask
+# ifdef RRCrtcChangeNotifyMask
     randr_mask |= RRCrtcChangeNotifyMask;
-#endif
-#ifdef RROutputChangeNotifyMask
+# endif
+# ifdef RROutputChangeNotifyMask
     randr_mask |= RROutputChangeNotifyMask;
-#endif
-#ifdef RROutputPropertyNotifyMask
+# endif
+# ifdef RROutputPropertyNotifyMask
     randr_mask |= RROutputPropertyNotifyMask;
-#endif
+# endif
     XRRSelectInput(disp, rootWindow().window(), randr_mask);
-
-#elif defined(HAVE_RANDR)
-    XRRScreenChangeSelectInput(disp, rootWindow().window(), True);
 #endif // HAVE_RANDR