[gtk+] Only build native-update-icon-cache when no external update-icon-cache binary was found

[Matthias Clasen <matthiasc src gnome org>]

commit 3493814ead0502aa7d0b27c5c464e9db58596742
Author: Erik van Pienbroek <epienbro fedoraproject org>
Date:   Sun Jan 27 15:17:32 2013 +0100

    Only build native-update-icon-cache when no external update-icon-cache binary was found
    
    https://bugzilla.gnome.org/show_bug.cgi?id=692637

 gtk/native/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/native/Makefile.am b/gtk/native/Makefile.am
index 17f0015..20416ce 100644
--- a/gtk/native/Makefile.am
+++ b/gtk/native/Makefile.am
@@ -4,7 +4,7 @@ CPP = @CPP_FOR_BUILD@
 CPPFLAGS = @CPPFLAGS_FOR_BUILD@
 LDFLAGS = @LDFLAGS_FOR_BUILD@
 
-if CROSS_COMPILING
+if !USE_EXTERNAL_ICON_CACHE
 noinst_PROGRAMS = native-update-icon-cache
 native_update_icon_cache_CFLAGS = $(NATIVE_GDKPIXBUF_CFLAGS)
 native_update_icon_cache_LDADD = $(NATIVE_GDKPIXBUF_LIBS)