diff --git a/package/spirv-headers/Config.in b/package/spirv-headers/Config.in
index fd20f301d4..e03a6ca1ee 100644
--- a/package/spirv-headers/Config.in
+++ b/package/spirv-headers/Config.in
@@ -1,6 +1,10 @@
 config BR2_PACKAGE_SPIRV_HEADERS
 	bool "spirv-headers"
+	depends on BR2_INSTALL_LIBSTDCPP
 	help
 	  Machine-readable files for the SPIR-V Registry
 
 	  https://www.khronos.org/registry/spir-v
+
+comment "spirv-headers needs a toolchain w/ C++"
+	depends on !BR2_INSTALL_LIBSTDCPP
diff --git a/package/spirv-tools/Config.in b/package/spirv-tools/Config.in
index e2f46253a9..345b8e7331 100644
--- a/package/spirv-tools/Config.in
+++ b/package/spirv-tools/Config.in
@@ -1,8 +1,12 @@
 config BR2_PACKAGE_SPIRV_TOOLS
 	bool "spirv-tools"
+	depends on BR2_INSTALL_LIBSTDCPP # spirv-headers
 	select BR2_PACKAGE_SPIRV_HEADERS
 	help
 	  The SPIR-V Tools project provides an API and commands for
 	  processing SPIR-V modules.
 
 	  https://github.com/KhronosGroup/SPIRV-Tools
+
+comment "spirv-tools needs a toolchain w/ C++"
+	depends on !BR2_INSTALL_LIBSTDCPP