build: detect broken make version on macOS

[openwrt/staging/dedeckeh.git] / include / toplevel.mk

diff --git a/include/toplevel.mk b/include/toplevel.mk
index c233a4c214c9ba01734ef129b93943784cb528d9..4003b4824182bf7d3f4243e68c3d4da806d4fc76 100644 (file)
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -29,6 +29,12 @@ export GNU_HOST_NAME:=$(shell $(TOPDIR)/scripts/config.guess)
 export HOST_OS:=$(shell uname)
 export HOST_ARCH:=$(shell uname -m)
 
+ifeq ($(HOST_OS),Darwin)
+  ifneq ($(filter /Applications/Xcode.app/% /Library/Developer/%,$(MAKE)),)
+    $(error Please use a newer version of GNU make. The version shipped by Apple is not supported)
+  endif
+endif
+
 # prevent perforce from messing with the patch utility
 unexport P4PORT P4USER P4CONFIG P4CLIENT