diff --git a/package/libgeotiff/Config.in b/package/libgeotiff/Config.in
index 60ca4115d9..6ac8a51f7c 100644
--- a/package/libgeotiff/Config.in
+++ b/package/libgeotiff/Config.in
@@ -1,5 +1,7 @@
 config BR2_PACKAGE_LIBGEOTIFF
 	bool "libgeotiff"
+	depends on BR2_INSTALL_LIBSTDCPP # proj
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 # proj
 	depends on BR2_TOOLCHAIN_HAS_THREADS # proj
 	select BR2_PACKAGE_PROJ
 	select BR2_PACKAGE_TIFF
@@ -9,5 +11,6 @@ config BR2_PACKAGE_LIBGEOTIFF
 
 	  https://github.com/OSGeo/libgeotiff
 
-comment "libgeotiff needs a toolchain w/ threads"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+comment "libgeotiff needs a toolchain w/ C++, gcc >= 4.7, threads"
+	depends on !BR2_INSTALL_LIBSTDCPP || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 || !BR2_TOOLCHAIN_HAS_THREADS
diff --git a/package/proj/Config.in b/package/proj/Config.in
index 4880d3f2cd..ced386f465 100644
--- a/package/proj/Config.in
+++ b/package/proj/Config.in
@@ -1,5 +1,7 @@
 config BR2_PACKAGE_PROJ
 	bool "proj"
+	depends on BR2_INSTALL_LIBSTDCPP
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 # C++11
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	select BR2_PACKAGE_SQLITE
 	help
@@ -11,5 +13,6 @@ config BR2_PACKAGE_PROJ
 
 	  http://proj4.org/
 
-comment "proj needs a toolchain w/ threads"
-	depends on !BR2_TOOLCHAIN_HAS_THREADS
+comment "proj needs a toolchain w/ C++, gcc >= 4.7, threads"
+	depends on !BR2_INSTALL_LIBSTDCPP || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 || !BR2_TOOLCHAIN_HAS_THREADS