wvstreams: not available for static only builds

Also propagated to wvdial as it selects wvstreams.

Fixes:
 http://autobuild.buildroot.org/results/0cd/0cd5e0263b42e6845504d97688632e16206bd000/
 http://autobuild.buildroot.org/results/4e0/4e0ab461ea7ed7a288303741eec89156abd49864/

Signed-off-by: Gergely Imreh <imrehg@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/wvdial/Config.in

@@ -2,12 +2,13 @@ config BR2_PACKAGE_WVDIAL
 	bool "wvdial"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # wvstreams
+	depends on !BR2_STATIC_LIBS # 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++"
+comment "wvdial needs a toolchain w/ C++, dynamic library"
 	depends on BR2_USE_MMU
-	depends on !BR2_INSTALL_LIBSTDCPP
+	depends on !BR2_INSTALL_LIBSTDCPP || BR2_STATIC_LIBS

package/wvstreams/Config.in

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_WVSTREAMS
 	bool "wvstreams"
 	depends on BR2_INSTALL_LIBSTDCPP
+	depends on !BR2_STATIC_LIBS
 	depends on BR2_USE_MMU # fork()
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_ZLIB
@@ -9,6 +10,6 @@ config BR2_PACKAGE_WVSTREAMS
 
 	  http://wvstreams.googlecode.com/
 
-comment "wvstreams needs a toolchain w/ C++"
+comment "wvstreams needs a toolchain w/ C++, dynamic library"
 	depends on BR2_USE_MMU
-	depends on !BR2_INSTALL_LIBSTDCPP
+	depends on !BR2_INSTALL_LIBSTDCPP || BR2_STATIC_LIBS