diff --git a/package/samba4/Config.in b/package/samba4/Config.in
index e1d3dd9bf7..59f040e96a 100644
--- a/package/samba4/Config.in
+++ b/package/samba4/Config.in
@@ -4,6 +4,10 @@ comment "samba4 needs a uClibc or glibc toolchain w/ wchar, dynamic library, NPT
 		|| BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS_NPTL
 	depends on BR2_USE_MMU
 
+comment "samba4 needs a toolchain w/ gcc >= 7"
+	depends on BR2_m68k
+	depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_7
+
 config BR2_PACKAGE_SAMBA4
 	bool "samba4"
 	depends on BR2_USE_MMU # fork()
@@ -12,6 +16,7 @@ config BR2_PACKAGE_SAMBA4
 	depends on !BR2_STATIC_LIBS # cmocka, python, gnutls
 	depends on BR2_TOOLCHAIN_HAS_SYNC_4
 	depends on !BR2_TOOLCHAIN_USES_MUSL
+	depends on !BR2_m68k || BR2_TOOLCHAIN_GCC_AT_LEAST_7 # m68k needs gcc >= 7.x
 	select BR2_PACKAGE_CMOCKA
 	select BR2_PACKAGE_E2FSPROGS
 	select BR2_PACKAGE_GNUTLS
diff --git a/package/samba4/samba4.mk b/package/samba4/samba4.mk
index e96e86b5f3..50ae8ba6af 100644
--- a/package/samba4/samba4.mk
+++ b/package/samba4/samba4.mk
@@ -32,6 +32,11 @@ SAMBA4_CONF_ENV = \
 	XSLTPROC=false \
 	WAF_NO_PREFORK=1
 
+# m68k needs 32-bit offsets in switch tables to build
+ifeq ($(BR2_m68k),y)
+SAMBA4_CFLAGS += -mlong-jump-table-offsets
+endif
+
 SAMBA4_PYTHON = PYTHON="$(HOST_DIR)/bin/python3"
 ifeq ($(BR2_PACKAGE_PYTHON3),y)
 SAMBA4_PYTHON += PYTHON_CONFIG="$(STAGING_DIR)/usr/bin/python3-config"