package/collectd: fix grpc dependency

Commit e98610f039b88a5d164b19343d5ecef2d1c01f6d forgot to propagate
libabseil-cpp dependencies to BR2_PACKAGE_COLLECTD_GRPC

Fixes:
 - http://autobuild.buildroot.org/results/c9bacfb52ae46ab78a5f9097a8df83e10d23ccc4

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/collectd/Config.in

@@ -605,15 +605,17 @@ config BR2_PACKAGE_COLLECTD_GRPC
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 || BR2_TOOLCHAIN_HAS_ATOMIC # grpc
 	depends on BR2_INSTALL_LIBSTDCPP # grpc -> protobuf
 	depends on BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS # grpc -> protobuf
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # grpc -> protobuf
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # grpc -> libabseil-cpp
+	depends on BR2_HOST_GCC_AT_LEAST_4_9 # grpc -> host-libabseil-cpp
 	depends on BR2_PACKAGE_LIBABSEIL_CPP_ARCH_SUPPORTS # grpc
 	select BR2_PACKAGE_GRPC
 	help
 	  Send/receive values using the gRPC protocol.
 
-comment "grpc needs a toolchain w/ C++, gcc >= 4.8"
+comment "grpc needs a toolchain w/ C++, gcc >= 4.9, host gcc >= 4.9"
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4 || BR2_TOOLCHAIN_HAS_ATOMIC
-	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_8
+	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 \
+		|| !BR2_HOST_GCC_AT_LEAST_4_9
 	depends on BR2_PACKAGE_PROTOBUF_ARCH_SUPPORTS
 	depends on BR2_PACKAGE_LIBABSEIL_CPP_ARCH_SUPPORTS # grpc