package/pango: propagate reverse dependencies

It appears some pango reverse dependencies aren't propagated properly.

Fixes:
WARNING: unmet direct dependencies detected for BR2_PACKAGE_PANGO
  Depends on [n]: BR2_USE_WCHAR [=y] && BR2_TOOLCHAIN_HAS_THREADS [=y] && BR2_USE_MMU [=y] && BR2_INSTALL_LIBSTDCPP [=y] && BR2_TOOLCHAIN_HAS_SYNC_4 [=y] && BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 [=n]
  Selected by [y]:
  - BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_TTML [=y] && BR2_PACKAGE_GSTREAMER1 [=y] && BR2_PACKAGE_GST1_PLUGINS_BAD [=y] && BR2_USE_WCHAR [=y] && BR2_TOOLCHAIN_HAS_THREADS [=y] && BR2_INSTALL_LIBSTDCPP [=y] && BR2_TOOLCHAIN_HAS_SYNC_4 [=y]

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/gstreamer1/gst1-plugins-bad/Config.in

@@ -481,18 +481,21 @@ config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_TTML
 	bool "ttml"
 	depends on BR2_USE_WCHAR # pango -> glib2
 	depends on BR2_TOOLCHAIN_HAS_THREADS # pango -> glib2
+	depends on BR2_USE_MMU # pango -> glib2
 	depends on BR2_INSTALL_LIBSTDCPP # pango -> freetype
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # pango -> harfbuzz
 	select BR2_PACKAGE_CAIRO
 	select BR2_PACKAGE_LIBXML2
 	select BR2_PACKAGE_PANGO
 	help
 	  Timed Text Markup Language (TTML) subtitle plugin
 
-comment "ttml needs a toolchain w/ wchar, threads, C++"
+comment "ttml needs a toolchain w/ wchar, threads, C++, gcc >= 4.9"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	depends on BR2_USE_MMU
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
-		!BR2_INSTALL_LIBSTDCPP
+		!BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 
 config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_MPEG2ENC
 	bool "mpeg2enc"

package/gstreamer1/gst1-plugins-base/Config.in

@@ -291,6 +291,9 @@ config BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_OPUS
 
 config BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_PANGO
 	bool "pango font renderer"
+	depends on BR2_USE_WCHAR # pango -> glib2
+	depends on BR2_TOOLCHAIN_HAS_THREADS # pango -> glib2
+	depends on BR2_USE_MMU # pango -> glib2
 	depends on BR2_INSTALL_LIBSTDCPP # pango -> freetype
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pango -> harfbuzz
 	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # pango -> harfbuzz
@@ -298,10 +301,11 @@ config BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_PANGO
 	help
 	  Pango-based text rendering and overlay
 
-comment "pango plugin needs a toolchain w/ C++, gcc >= 4.9"
-	depends on !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+comment "pango plugin needs a toolchain w/ C++, wchar, threads, gcc >= 4.9"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+	depends on BR2_USE_MMU
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || \
+		!BR2_TOOLCHAIN_HAS_THREADS || !BR2_USE_WCHAR
 
 config BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_THEORA
 	bool "theora (*.ogg video)"

package/weston/Config.in

@@ -147,6 +147,7 @@ config BR2_PACKAGE_WESTON_DEMO_CLIENTS
 	bool "demo clients"
 	depends on BR2_USE_MMU # pango
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pango
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # pango
 	depends on BR2_INSTALL_LIBSTDCPP # pango
 	depends on BR2_TOOLCHAIN_HAS_THREADS # pango
 	depends on BR2_USE_WCHAR # pango
@@ -156,11 +157,11 @@ config BR2_PACKAGE_WESTON_DEMO_CLIENTS
 	help
 	  This enables the installation of Weston's demo clients.
 
-comment "demo clients needs an OpenGL ES provider, an OpenEGL-capable Wayland backend and a toolchain w/ wchar, threads, C++"
+comment "demo clients needs an OpenGL ES provider, an OpenEGL-capable Wayland backend and a toolchain w/ wchar, threads, C++, gcc >= 4.9"
 	depends on BR2_USE_MMU
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS || \
 		!BR2_USE_WCHAR || !BR2_PACKAGE_HAS_LIBGLES || \
-		!BR2_PACKAGE_HAS_LIBEGL_WAYLAND
+		!BR2_PACKAGE_HAS_LIBEGL_WAYLAND || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
 
 endif