diff --git a/package/samba4/Config.in b/package/samba4/Config.in
index 57adadd347..db8c91d789 100644
--- a/package/samba4/Config.in
+++ b/package/samba4/Config.in
@@ -1,10 +1,16 @@
-comment "samba4 needs an (e)glibc toolchain"
-	depends on !BR2_TOOLCHAIN_USES_GLIBC
+comment "samba4 needs an (e)glibc or uClibc-ng toolchain w/ RPC, wchar"
+	depends on !BR2_TOOLCHAIN_USES_GLIBC || !BR2_UCLIBC_VERSION_NG
+	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_NATIVE_RPC
+	depends on BR2_USE_MMU
 
 config BR2_PACKAGE_SAMBA4
 	bool "samba4"
 	depends on !BR2_PACKAGE_SAMBA
-	depends on BR2_TOOLCHAIN_USES_GLIBC # needs $ORIGIN support
+	depends on BR2_USE_MMU # fork()
+	depends on BR2_USE_WCHAR # e2fsprogs
+	depends on BR2_TOOLCHAIN_HAS_NATIVE_RPC
+	# needs $ORIGIN support
+	depends on BR2_TOOLCHAIN_USES_GLIBC || BR2_UCLIBC_VERSION_NG
 	depends on !BR2_nios2 # binary too large, relocations don't fit
 	select BR2_PACKAGE_E2FSPROGS
 	select BR2_PACKAGE_POPT