diff --git a/package/wvdial/Config.in b/package/wvdial/Config.in
index e57f9755f7..14befcf809 100644
--- a/package/wvdial/Config.in
+++ b/package/wvdial/Config.in
@@ -2,6 +2,7 @@ config BR2_PACKAGE_WVDIAL
 	bool "wvdial"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # wvstreams
+	depends on !BR2_TOOLCHAIN_EXTERNAL_SYNOPSYS_ARC_2014_12 # wvstreams
 	select BR2_PACKAGE_WVSTREAMS
 	help
 	  wvdial is an intelligent Point-to-Point Protocol dialer
@@ -11,3 +12,4 @@ config BR2_PACKAGE_WVDIAL
 comment "wvdial needs a toolchain w/ C++"
 	depends on BR2_USE_MMU
 	depends on !BR2_INSTALL_LIBSTDCPP
+	depends on !BR2_TOOLCHAIN_EXTERNAL_SYNOPSYS_ARC_2014_12
diff --git a/package/wvstreams/Config.in b/package/wvstreams/Config.in
index 3080dc71ef..0580516b3f 100644
--- a/package/wvstreams/Config.in
+++ b/package/wvstreams/Config.in
@@ -2,6 +2,8 @@ config BR2_PACKAGE_WVSTREAMS
 	bool "wvstreams"
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_USE_MMU # fork()
+	# toolchain lacks program_invocation_*
+	depends on !BR2_TOOLCHAIN_EXTERNAL_SYNOPSYS_ARC_2014_12
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_ZLIB
 	help
@@ -12,3 +14,4 @@ config BR2_PACKAGE_WVSTREAMS
 comment "wvstreams needs a toolchain w/ C++"
 	depends on BR2_USE_MMU
 	depends on !BR2_INSTALL_LIBSTDCPP
+	depends on !BR2_TOOLCHAIN_EXTERNAL_SYNOPSYS_ARC_2014_12