diff --git a/package/sysprof/Config.in b/package/sysprof/Config.in
index e89a0e539e..258f549152 100644
--- a/package/sysprof/Config.in
+++ b/package/sysprof/Config.in
@@ -9,6 +9,8 @@ config BR2_PACKAGE_SYSPROF
 	depends on !BR2_OPTIMIZE_FAST # polkit
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_12
+	depends on BR2_TOOLCHAIN_HAS_UCONTEXT || \
+		BR2_PACKAGE_LIBUCONTEXT_ARCH_SUPPORTS # libdex
 	select BR2_PACKAGE_ELFUTILS
 	select BR2_PACKAGE_JSON_GLIB
 	select BR2_PACKAGE_LIBDEX
@@ -21,13 +23,15 @@ config BR2_PACKAGE_SYSPROF
 
 	  http://sysprof.com
 
-comment "sysprof needs a toolchain w/ dynamic library, wchar, threads, C++, gcc >= 7, headers >= 5.12"
+comment "sysprof needs a toolchain w/ dynamic library, wchar, threads, C++, gcc >= 7, headers >= 5.12, ucontext"
 	depends on BR2_USE_MMU
 	depends on BR2_PACKAGE_LIBUNWIND_ARCH_SUPPORTS
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
 		!BR2_TOOLCHAIN_GCC_AT_LEAST_7 || \
 		BR2_STATIC_LIBS || !BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_12
+		!BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_12 || \
+		!(BR2_TOOLCHAIN_HAS_UCONTEXT || \
+			BR2_PACKAGE_LIBUCONTEXT_ARCH_SUPPORTS)
 
 comment "sysprof can't be built with Optimize for fast"
 	depends on BR2_OPTIMIZE_FAST