libgail: add missing indirect dependency on C++ and atomics

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libgail/Config.in

@@ -3,6 +3,8 @@ config BR2_PACKAGE_LIBGAIL
 	depends on BR2_USE_WCHAR # pango -> libglib2
 	depends on BR2_TOOLCHAIN_HAS_THREADS # pango -> libglib2
 	depends on BR2_USE_MMU # pango -> libglib2
+	depends on BR2_INSTALL_LIBSTDCPP # pango -> freetype
+	depends on BR2_ARCH_HAS_ATOMICS # pango -> cairo
 	depends on BR2_PACKAGE_LIBGTK2
 	select BR2_PACKAGE_PANGO
 	help
@@ -20,7 +22,8 @@ config BR2_PACKAGE_LIBGAIL
 
 	  http://developer.gnome.org/projects/gap
 
-comment "libgail needs a toolchain w/ wchar, threads"
+comment "libgail needs a toolchain w/ C++, wchar, threads"
 	depends on BR2_PACKAGE_LIBGTK2
-	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_USE_MMU
+	depends on BR2_ARCH_HAS_ATOMICS