diff --git a/package/cwiid/Config.in b/package/cwiid/Config.in
index 6ae2ac9405..f4a0a3dd77 100644
--- a/package/cwiid/Config.in
+++ b/package/cwiid/Config.in
@@ -18,7 +18,7 @@ if BR2_PACKAGE_CWIID
 config BR2_PACKAGE_CWIID_WMGUI
 	bool "wmgui"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libgtk2 -> pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # libgtk2 -> pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # libgtk2 -> pango -> harfbuzz
 	depends on BR2_PACKAGE_XORG7 # libgtk2
 	depends on BR2_USE_WCHAR # libgtk2 -> libglib2
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libgtk2 -> libglib2
diff --git a/package/efl/Config.in b/package/efl/Config.in
index 05ded72cf7..a37e9f6e97 100644
--- a/package/efl/Config.in
+++ b/package/efl/Config.in
@@ -267,6 +267,7 @@ config BR2_PACKAGE_EFL_SVG
 	bool "SVG loader"
 	depends on BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS # librsvg
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # librsvg -> pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # librsvg -> pango -> harfbuzz
 	select BR2_PACKAGE_LIBRSVG
 	select BR2_PACKAGE_CAIRO
 	help
diff --git a/package/enlightenment/Config.in b/package/enlightenment/Config.in
index cd2b8cfe54..9d2c637902 100644
--- a/package/enlightenment/Config.in
+++ b/package/enlightenment/Config.in
@@ -14,7 +14,7 @@ config BR2_PACKAGE_ENLIGHTENMENT
 	depends on BR2_PACKAGE_XORG7
 	# libevas-generic-loaders-svg -> librsvg -> pango -> harfbuzz
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5
 	select BR2_PACKAGE_EFL_X_XLIB
 	select BR2_PACKAGE_EFL_EEZE
 	select BR2_PACKAGE_EFL_JPEG # needed at runtime by enlightenment_start
@@ -29,10 +29,10 @@ config BR2_PACKAGE_ENLIGHTENMENT
 
 	  http://www.enlightenment.org/
 
-comment "enlightenment needs udev /dev management and a toolchain w/ wchar, C++, threads, gcc >= 4.9"
+comment "enlightenment needs udev /dev management and a toolchain w/ wchar, C++, threads, gcc >= 5.0"
 	depends on BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS
 	depends on BR2_PACKAGE_EFL && BR2_PACKAGE_XORG7 && BR2_USE_MMU
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
 		!BR2_PACKAGE_HAS_UDEV
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
diff --git a/package/gstreamer1/gst1-plugins-bad/Config.in b/package/gstreamer1/gst1-plugins-bad/Config.in
index ad08615256..4eceb673f2 100644
--- a/package/gstreamer1/gst1-plugins-bad/Config.in
+++ b/package/gstreamer1/gst1-plugins-bad/Config.in
@@ -328,13 +328,13 @@ config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_ASSRENDER
 	bool "assrender"
 	depends on BR2_INSTALL_LIBSTDCPP # libass -> harfbuzz
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libass -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # libass -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # libass -> harfbuzz
 	select BR2_PACKAGE_LIBASS
 
-comment "assrender plugin needs a toolchain w/ C++, gcc >= 4.9"
+comment "assrender plugin needs a toolchain w/ C++, gcc >= 5.0"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5
 
 config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_BLUEZ
 	bool "bluez"
@@ -481,16 +481,17 @@ config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_TTML
 	depends on BR2_TOOLCHAIN_HAS_THREADS # 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_5 # 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 >= 5.0"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
-		!BR2_INSTALL_LIBSTDCPP
+		!BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_5
 
 config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_MPEG2ENC
 	bool "mpeg2enc"
@@ -563,15 +564,15 @@ config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_RSVG
 	depends on BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS # librsvg
 	depends on BR2_INSTALL_LIBSTDCPP # librsvg -> pango
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # librsvg -> pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # librsvg -> pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # librsvg -> pango -> harfbuzz
 	select BR2_PACKAGE_LIBRSVG
 	help
 	  RSVG plugin library
 
-comment "rsvg plugin needs a toolchain w/ C++, gcc >= 4.9"
+comment "rsvg plugin needs a toolchain w/ C++, gcc >= 5.0"
 	depends on BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS
 	depends on !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 
 config BR2_PACKAGE_GST1_PLUGINS_BAD_PLUGIN_SBC
diff --git a/package/gstreamer1/gst1-plugins-base/Config.in b/package/gstreamer1/gst1-plugins-base/Config.in
index 7ca94d7dc4..f343e0322a 100644
--- a/package/gstreamer1/gst1-plugins-base/Config.in
+++ b/package/gstreamer1/gst1-plugins-base/Config.in
@@ -293,14 +293,14 @@ config BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_PANGO
 	bool "pango font renderer"
 	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
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # pango -> harfbuzz
 	select BR2_PACKAGE_PANGO
 	help
 	  Pango-based text rendering and overlay
 
-comment "pango plugin needs a toolchain w/ C++, gcc >= 4.9"
+comment "pango plugin needs a toolchain w/ C++, gcc >= 5.0"
 	depends on !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 
 config BR2_PACKAGE_GST1_PLUGINS_BASE_PLUGIN_THEORA
diff --git a/package/gtkmm3/Config.in b/package/gtkmm3/Config.in
index 8762c7208d..b21e6eb776 100644
--- a/package/gtkmm3/Config.in
+++ b/package/gtkmm3/Config.in
@@ -14,7 +14,7 @@ config BR2_PACKAGE_GTKMM3
 	depends on !BR2_nios2
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pangomm, libgtk3 -> pango -> harfbuzz
 	depends on BR2_INSTALL_LIBSTDCPP # glibmm, libpangomm -> glibmm/pango
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # C++11
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # C++11, libgtk3 -> pango -> harfbuzz
 	depends on BR2_TOOLCHAIN_HAS_THREADS # *mm/libgtk3 -> libglib2
 	depends on BR2_USE_MMU # *mm/libgtk3 -> libglib2
 	depends on BR2_USE_WCHAR # *mm/libgtk3 -> libglib2
diff --git a/package/harfbuzz/Config.in b/package/harfbuzz/Config.in
index 2e4219ee22..e8691e4513 100644
--- a/package/harfbuzz/Config.in
+++ b/package/harfbuzz/Config.in
@@ -2,7 +2,8 @@ config BR2_PACKAGE_HARFBUZZ
 	bool "harfbuzz"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5
+	depends on BR2_HOST_GCC_AT_LEAST_5 # C++11
 	help
 	  HarfBuzz is an OpenType text shaping engine
 
@@ -11,7 +12,8 @@ config BR2_PACKAGE_HARFBUZZ
 	  Harfbuzz can make optional use of cairo, freetype,
 	  glib2 and icu packages if they are selected.
 
-comment "harfbuzz needs a toolchain w/ C++, gcc >= 4.9"
+comment "harfbuzz needs a toolchain w/ C++, gcc >= 5.0 and host gcc >= 5.0"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
+		!BR2_HOST_GCC_AT_LEAST_5
diff --git a/package/kodi/Config.in b/package/kodi/Config.in
index f436a444d3..d785ff617f 100644
--- a/package/kodi/Config.in
+++ b/package/kodi/Config.in
@@ -52,7 +52,7 @@ menuconfig BR2_PACKAGE_KODI
 	bool "kodi"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libass -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # C++14
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # C++14, libass -> harfbuzz
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on !BR2_TOOLCHAIN_USES_MUSL
 	depends on BR2_USE_WCHAR
diff --git a/package/libass/Config.in b/package/libass/Config.in
index d7725d5e1b..18f910a765 100644
--- a/package/libass/Config.in
+++ b/package/libass/Config.in
@@ -2,7 +2,7 @@ config BR2_PACKAGE_LIBASS
 	bool "libass"
 	depends on BR2_INSTALL_LIBSTDCPP # harfbuzz
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # harfbuzz
 	select BR2_PACKAGE_FREETYPE
 	select BR2_PACKAGE_HARFBUZZ
 	select BR2_PACKAGE_LIBFRIBIDI
@@ -12,7 +12,7 @@ config BR2_PACKAGE_LIBASS
 
 	  https://github.com/libass/libass
 
-comment "libass needs a toolchain w/ C++, gcc >= 4.9"
+comment "libass needs a toolchain w/ C++, gcc >= 5.0"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5
diff --git a/package/libfm/Config.in b/package/libfm/Config.in
index e78bc99b76..fab17d20aa 100644
--- a/package/libfm/Config.in
+++ b/package/libfm/Config.in
@@ -6,7 +6,7 @@ config BR2_PACKAGE_LIBFM
 	depends on BR2_USE_MMU # libglib2
 	depends on BR2_INSTALL_LIBSTDCPP # libgtk2
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libgtk2 -> pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # libgtk2 -> pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # libgtk2 -> pango -> harfbuzz
 	select BR2_PACKAGE_CAIRO
 	select BR2_PACKAGE_LIBGLIB2
 	select BR2_PACKAGE_LIBGTK2 if !BR2_PACKAGE_LIBGTK3_X11
@@ -22,9 +22,9 @@ config BR2_PACKAGE_LIBFM
 
 	  http://wiki.lxde.org/en/Libfm
 
-comment "libfm needs X.org and a toolchain w/ wchar, threads, C++, gcc >= 4.9"
+comment "libfm needs X.org and a toolchain w/ wchar, threads, C++, gcc >= 5.0"
 	depends on BR2_USE_MMU
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_USE_WCHAR || !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
 		!BR2_TOOLCHAIN_HAS_THREADS || !BR2_PACKAGE_XORG7
diff --git a/package/libgtk2/Config.in b/package/libgtk2/Config.in
index c75c37fb63..708fdf7ad7 100644
--- a/package/libgtk2/Config.in
+++ b/package/libgtk2/Config.in
@@ -6,7 +6,7 @@ config BR2_PACKAGE_LIBGTK2
 	depends on BR2_USE_MMU # glib2
 	depends on BR2_INSTALL_LIBSTDCPP # pango
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # pango -> harfbuzz
 	select BR2_PACKAGE_ATK
 	select BR2_PACKAGE_CAIRO
 	select BR2_PACKAGE_CAIRO_PS
@@ -34,10 +34,10 @@ config BR2_PACKAGE_LIBGTK2_DEMO
 
 endif
 
-comment "libgtk2 needs a toolchain w/ wchar, threads, C++, gcc >= 4.9"
+comment "libgtk2 needs a toolchain w/ wchar, threads, C++, gcc >= 5.0"
 	depends on BR2_USE_MMU
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on BR2_PACKAGE_XORG7
 	depends on !BR2_USE_WCHAR || !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
 		!BR2_TOOLCHAIN_HAS_THREADS
diff --git a/package/libgtk3/Config.in b/package/libgtk3/Config.in
index bc8cacd9f5..c8277c5f89 100644
--- a/package/libgtk3/Config.in
+++ b/package/libgtk3/Config.in
@@ -20,7 +20,7 @@ config BR2_PACKAGE_LIBGTK3
 	depends on BR2_USE_MMU # glib2
 	depends on BR2_INSTALL_LIBSTDCPP # pango
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # pango -> harfbuzz
 	depends on BR2_PACKAGE_HAS_LIBEGL_WAYLAND || \
 		BR2_PACKAGE_HAS_LIBGL
 	select BR2_PACKAGE_ATK
diff --git a/package/librsvg/Config.in b/package/librsvg/Config.in
index 270b524b37..b77b02b8ec 100644
--- a/package/librsvg/Config.in
+++ b/package/librsvg/Config.in
@@ -6,7 +6,7 @@ config BR2_PACKAGE_LIBRSVG
 	depends on BR2_USE_MMU # glib2
 	depends on BR2_INSTALL_LIBSTDCPP # pango
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # pango -> harfbuzz
 	select BR2_PACKAGE_CAIRO
 	select BR2_PACKAGE_CAIRO_PNG
 	select BR2_PACKAGE_CAIRO_SCRIPT
@@ -21,10 +21,10 @@ config BR2_PACKAGE_LIBRSVG
 
 	  https://wiki.gnome.org/Projects/LibRsvg
 
-comment "librsvg needs a toolchain w/ wchar, threads, C++, gcc >= 4.9"
+comment "librsvg needs a toolchain w/ wchar, threads, C++, gcc >= 5.0"
 	depends on BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS
 	depends on BR2_USE_MMU
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
 		!BR2_INSTALL_LIBSTDCPP
diff --git a/package/mupdf/Config.in b/package/mupdf/Config.in
index cf97711160..e4a6e9ef59 100644
--- a/package/mupdf/Config.in
+++ b/package/mupdf/Config.in
@@ -2,7 +2,7 @@ config BR2_PACKAGE_MUPDF
 	bool "mupdf"
 	depends on BR2_INSTALL_LIBSTDCPP # harfbuzz
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # harfbuzz
 	depends on BR2_PACKAGE_XORG7
 	select BR2_PACKAGE_FREETYPE
 	select BR2_PACKAGE_GUMBO_PARSER
@@ -18,7 +18,7 @@ config BR2_PACKAGE_MUPDF
 
 	  https://www.mupdf.com/index.html
 
-comment "mupdf needs a toolchain w/ C++, gcc >= 4.9"
+comment "mupdf needs a toolchain w/ C++, gcc >= 5.0"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5
diff --git a/package/openbox/Config.in b/package/openbox/Config.in
index e042ed2b48..83d955ae41 100644
--- a/package/openbox/Config.in
+++ b/package/openbox/Config.in
@@ -5,7 +5,7 @@ config BR2_PACKAGE_OPENBOX
 	depends on BR2_USE_MMU # glib2
 	depends on BR2_USE_WCHAR # glib2
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # pango -> harfbuzz
 	depends on BR2_INSTALL_LIBSTDCPP # pango -> freetype
 	select BR2_PACKAGE_LIBGLIB2
 	select BR2_PACKAGE_LIBXML2
@@ -20,10 +20,10 @@ config BR2_PACKAGE_OPENBOX
 
 	  http://openbox.org
 
-comment "openbox needs a toolchain w/ C++, threads, wchar, gcc >= 4.9"
+comment "openbox needs a toolchain w/ C++, threads, wchar, gcc >= 5.0"
 	depends on BR2_USE_MMU
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_USE_WCHAR || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
 		!BR2_INSTALL_LIBSTDCPP
 	depends on BR2_PACKAGE_XORG7
diff --git a/package/pango/Config.in b/package/pango/Config.in
index e2b2e7fe2b..99f54d00c7 100644
--- a/package/pango/Config.in
+++ b/package/pango/Config.in
@@ -5,7 +5,8 @@ config BR2_PACKAGE_PANGO
 	depends on BR2_USE_MMU # glib2
 	depends on BR2_INSTALL_LIBSTDCPP # freetype support
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # harfbuzz
+	depends on BR2_HOST_GCC_AT_LEAST_5 # host-harfbuzz
 	select BR2_PACKAGE_LIBGLIB2
 	select BR2_PACKAGE_LIBFRIBIDI
 	select BR2_PACKAGE_EXPAT
@@ -24,9 +25,10 @@ config BR2_PACKAGE_PANGO
 
 	  https://pango.gnome.org/
 
-comment "pango needs a toolchain w/ wchar, threads, C++, gcc >= 4.9"
+comment "pango needs a toolchain w/ wchar, threads, C++, gcc >= 5.0, host gcc >= 5.0"
 	depends on BR2_USE_MMU
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
+		!BR2_HOST_GCC_AT_LEAST_5 || \
 		!BR2_INSTALL_LIBSTDCPP
diff --git a/package/pangomm/Config.in b/package/pangomm/Config.in
index 0702b8c5bf..411235ecec 100644
--- a/package/pangomm/Config.in
+++ b/package/pangomm/Config.in
@@ -2,7 +2,7 @@ config BR2_PACKAGE_PANGOMM
 	bool "pangomm"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pango -> harfbuzz
 	depends on BR2_INSTALL_LIBSTDCPP # glibmm/pango
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # C++11
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # pango -> harfbuzz
 	depends on BR2_TOOLCHAIN_HAS_THREADS # *mm/pango -> libglib2
 	depends on BR2_USE_MMU # *mm/pango -> libglib2
 	depends on BR2_USE_WCHAR # *mm/pango -> libglib2
@@ -15,8 +15,8 @@ config BR2_PACKAGE_PANGOMM
 
 	  http://www.gtkmm.org/
 
-comment "pangomm needs a toolchain w/ C++, wchar, threads, gcc >= 4.9"
+comment "pangomm needs a toolchain w/ C++, wchar, threads, gcc >= 5.0"
 	depends on BR2_USE_MMU
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
-	depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || !BR2_USE_WCHAR \
-		|| !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_5 || !BR2_USE_WCHAR || \
+		!BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS
diff --git a/package/pcmanfm/Config.in b/package/pcmanfm/Config.in
index 73b8c7c04c..238587b49e 100644
--- a/package/pcmanfm/Config.in
+++ b/package/pcmanfm/Config.in
@@ -6,7 +6,7 @@ config BR2_PACKAGE_PCMANFM
 	depends on BR2_USE_MMU # libglib2
 	depends on BR2_INSTALL_LIBSTDCPP # libgtk2
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libgtk2 -> pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # libgtk2 -> pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # libgtk2 -> pango -> harfbuzz
 	select BR2_PACKAGE_LIBFM
 	select BR2_PACKAGE_MENU_CACHE
 	select BR2_PACKAGE_LIBGLIB2
@@ -18,10 +18,10 @@ config BR2_PACKAGE_PCMANFM
 
 	  http://wiki.lxde.org/en/PCManFM
 
-comment "pcmanfm needs a toolchain w/ wchar, threads, C++, gcc >= 4.9"
+comment "pcmanfm needs a toolchain w/ wchar, threads, C++, gcc >= 5.0"
 	depends on BR2_USE_MMU
 	depends on BR2_PACKAGE_XORG7
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_USE_WCHAR || !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
 		!BR2_TOOLCHAIN_HAS_THREADS
diff --git a/package/pinentry/Config.in b/package/pinentry/Config.in
index 3f005f8c58..dc4b2bcf8d 100644
--- a/package/pinentry/Config.in
+++ b/package/pinentry/Config.in
@@ -54,17 +54,17 @@ config BR2_PACKAGE_PINENTRY_GTK2
 	depends on BR2_USE_MMU
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libgtk2 -> pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # libgtk2 -> pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # libgtk2 -> pango -> harfbuzz
 	select BR2_PACKAGE_LIBGTK2
 	select BR2_PACKAGE_LIBICONV if !BR2_ENABLE_LOCALE
 	help
 	  The pinentry-gtk2 tool
 
-comment "pinentry-gtk2 needs X and a toolchain w/ wchar, threads, C++, gcc >= 4.9"
+comment "pinentry-gtk2 needs X and a toolchain w/ wchar, threads, C++, gcc >= 5.0"
 	depends on BR2_USE_MMU
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_PACKAGE_XORG7 || !BR2_USE_WCHAR || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
 		!BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS
 
 config BR2_PACKAGE_PINENTRY_QT5
diff --git a/package/python-pymupdf/Config.in b/package/python-pymupdf/Config.in
index 0ecb288922..463f879d9f 100644
--- a/package/python-pymupdf/Config.in
+++ b/package/python-pymupdf/Config.in
@@ -2,7 +2,7 @@ config BR2_PACKAGE_PYTHON_PYMUPDF
 	bool "python-pymupdf"
 	depends on BR2_INSTALL_LIBSTDCPP # mupdf -> harfbuzz
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # mupdf -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # mupdf -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # mupdf -> harfbuzz
 	depends on BR2_PACKAGE_XORG7
 	depends on BR2_PACKAGE_PYTHON3
 	select BR2_PACKAGE_FREETYPE
@@ -18,8 +18,8 @@ comment "python-pymupdf needs Xorg"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_PACKAGE_XORG7
 
-comment "python-pymupdf needs a toolchain w/ C++, gcc >= 4.9"
+comment "python-pymupdf needs a toolchain w/ C++, gcc >= 5"
 	depends on BR2_PACKAGE_PYTHON3
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5
diff --git a/package/qt5/qt5base/Config.in b/package/qt5/qt5base/Config.in
index 601438d2fe..e808ccfae9 100644
--- a/package/qt5/qt5base/Config.in
+++ b/package/qt5/qt5base/Config.in
@@ -237,7 +237,7 @@ config BR2_PACKAGE_QT5BASE_HARFBUZZ
 	bool "harfbuzz support"
 	select BR2_PACKAGE_HARFBUZZ if \
 		BR2_TOOLCHAIN_HAS_SYNC_4 && \
-		BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		BR2_TOOLCHAIN_GCC_AT_LEAST_5
 	help
 	  This option enables HarfBuzz support (either system harfbuzz
 	  if the toolchain supports __sync for 4 bytes, or the qt
diff --git a/package/rrdtool/Config.in b/package/rrdtool/Config.in
index 5ffdc92618..d5791428b7 100644
--- a/package/rrdtool/Config.in
+++ b/package/rrdtool/Config.in
@@ -16,7 +16,7 @@ config BR2_PACKAGE_RRDTOOL_RRDGRAPH
 	bool "rrd_graph"
 	default y
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # pango -> harfbuzz
 	depends on BR2_INSTALL_LIBSTDCPP # freetype support from pango
 	select BR2_PACKAGE_CAIRO
 	select BR2_PACKAGE_CAIRO_PDF
@@ -28,9 +28,9 @@ config BR2_PACKAGE_RRDTOOL_RRDGRAPH
 	  This enables the graphing capabilities ('rrdgraph').
 	  Without this it will only act as a database backend.
 
-comment "rrd_graph support needs a toolchain w/ C++, gcc >= 4.9"
+comment "rrd_graph support needs a toolchain w/ C++, gcc >= 5.0"
 	depends on !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 
 endif
diff --git a/package/supertuxkart/Config.in b/package/supertuxkart/Config.in
index a18b9c1a0a..be4a96f826 100644
--- a/package/supertuxkart/Config.in
+++ b/package/supertuxkart/Config.in
@@ -4,7 +4,7 @@ config BR2_PACKAGE_SUPERTUXKART
 	depends on BR2_i386 || BR2_x86_64
 	depends on BR2_USE_MMU # fork()
 	depends on BR2_INSTALL_LIBSTDCPP # openal
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # harfbuzz, openal
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # harfbuzz, openal
 	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL # openal
 	depends on BR2_PACKAGE_OPENAL_ARCH_SUPPORTS # openal
 	depends on BR2_PACKAGE_HAS_LIBGL
@@ -34,7 +34,7 @@ config BR2_PACKAGE_SUPERTUXKART
 
 	  http://supertuxkart.sourceforge.net/Main_Page
 
-comment "supertuxkart needs an OpenGL backend, a uClibc or glibc toolchain w/ NPTL, C++, gcc >= 4.9"
+comment "supertuxkart needs an OpenGL backend, a uClibc or glibc toolchain w/ NPTL, C++, gcc >= 5.0"
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
 	depends on BR2_i386 || BR2_x86_64
 	depends on BR2_USE_MMU
@@ -42,6 +42,6 @@ comment "supertuxkart needs an OpenGL backend, a uClibc or glibc toolchain w/ NP
 	depends on BR2_PACKAGE_XORG7
 	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL \
 		|| !BR2_INSTALL_LIBSTDCPP \
-		|| !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 \
+		|| !BR2_TOOLCHAIN_GCC_AT_LEAST_5 \
 		|| !BR2_PACKAGE_HAS_LIBGL \
 		|| BR2_TOOLCHAIN_USES_MUSL
diff --git a/package/xscreensaver/Config.in b/package/xscreensaver/Config.in
index 787c3130ae..4c77f76bc3 100644
--- a/package/xscreensaver/Config.in
+++ b/package/xscreensaver/Config.in
@@ -6,7 +6,7 @@ config BR2_PACKAGE_XSCREENSAVER
 	depends on BR2_USE_WCHAR # gdk-pixbuf, libgtk2 -> glib2
 	depends on BR2_USE_MMU # gdk-pixbuf, libgtk2 -> glib2
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libgtk2 -> pango -> harfbuzz
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # libgtk2 -> pango -> harfbuzz
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # libgtk2 -> pango -> harfbuzz
 	select BR2_PACKAGE_GDK_PIXBUF
 	select BR2_PACKAGE_LIBGLU if BR2_PACKAGE_HAS_LIBGL
 	select BR2_PACKAGE_LIBGTK2
@@ -25,10 +25,10 @@ config BR2_PACKAGE_XSCREENSAVER
 
 	  http://www.jwz.org/xscreensaver/
 
-comment "xscreensaver needs a toolchain w/ wchar, C++, threads, gcc >= 4.9"
+comment "xscreensaver needs a toolchain w/ wchar, C++, threads, gcc >= 5.0"
 	depends on BR2_PACKAGE_XORG7
 	depends on BR2_USE_MMU
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
 		!BR2_USE_WCHAR
