diff --git a/package/wvdial/Config.in b/package/wvdial/Config.in
index 5d415b1c79..d5458700f2 100644
--- a/package/wvdial/Config.in
+++ b/package/wvdial/Config.in
@@ -3,12 +3,13 @@ config BR2_PACKAGE_WVDIAL
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # wvstreams
 	depends on !BR2_STATIC_LIBS # wvstreams
+	depends on !BR2_TOOLCHAIN_USES_MUSL # wvstreams
 	select BR2_PACKAGE_WVSTREAMS
 	help
 	  wvdial is an intelligent Point-to-Point Protocol dialer
 
 	  http://wvdial.googlecode.com/
 
-comment "wvdial needs a toolchain w/ C++, dynamic library"
+comment "wvdial needs a (e)glibc or uClibc toolchain w/ C++, dynamic library"
 	depends on BR2_USE_MMU
-	depends on !BR2_INSTALL_LIBSTDCPP || BR2_STATIC_LIBS
+	depends on !BR2_INSTALL_LIBSTDCPP || BR2_STATIC_LIBS || BR2_TOOLCHAIN_USES_MUSL
diff --git a/package/wvstreams/Config.in b/package/wvstreams/Config.in
index 0cbe60aff6..e2edd6d257 100644
--- a/package/wvstreams/Config.in
+++ b/package/wvstreams/Config.in
@@ -3,6 +3,8 @@ config BR2_PACKAGE_WVSTREAMS
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on !BR2_STATIC_LIBS
 	depends on BR2_USE_MMU # fork()
+	# musl not supported and no upstream activity since 2011.
+	depends on !BR2_TOOLCHAIN_USES_MUSL
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_ZLIB
 	help
@@ -10,6 +12,6 @@ config BR2_PACKAGE_WVSTREAMS
 
 	  http://wvstreams.googlecode.com/
 
-comment "wvstreams needs a toolchain w/ C++, dynamic library"
+comment "wvstreams needs a (e)glibc or uClibc toolchain w/ C++, dynamic library"
 	depends on BR2_USE_MMU
-	depends on !BR2_INSTALL_LIBSTDCPP || BR2_STATIC_LIBS
+	depends on !BR2_INSTALL_LIBSTDCPP || BR2_STATIC_LIBS || BR2_TOOLCHAIN_USES_MUSL