diff --git a/package/glog/Config.in b/package/glog/Config.in
index 534997af49..3f540201a8 100644
--- a/package/glog/Config.in
+++ b/package/glog/Config.in
@@ -3,11 +3,18 @@ config BR2_PACKAGE_GLOG
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on !BR2_STATIC_LIBS
+	# build issues with these external toolchains
+	depends on !BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2014R1
+	depends on !BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2013R1
+	depends on !BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2
 	help
 	  C++ implementation of the Google logging module
 
 	  https://github.com/google/glog
 
 comment "glog needs a toolchain w/ C++, threads, dynamic library"
+	depends on !BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2014R1
+	depends on !BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2013R1
+	depends on !BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2
 	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS || \
 		BR2_STATIC_LIBS