fix compile errors with make 3.80
fix compile errors with make 3.80

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8230 3c298f89-4303-0410-b956-a3cf2f4a3e73

--- a/include/subdir.mk
+++ b/include/subdir.mk
@@ -25,6 +25,11 @@
 
 SUBTARGETS:=clean download prepare compile install update refresh prereq
 
+define subtarget
+  $(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(if $($(1)/builddirs-$(2)),$($(1)/builddirs-$(2)),$($(1)/builddirs)),$(1)/$(bd)/$(2)))
+
+endef
+
 # Parameters: <subdir>
 define subdir
   $(call warn,$(1),d,D $(1))
@@ -38,9 +43,7 @@
       $(call warn_eval,$(1)/$(bd),l,T,$(1)/$(bd)-$(target): $(1)/$(bd)/$(target))
 	)
   )
-  $(foreach target,$(SUBTARGETS),
-    $(call warn_eval,$(1),t,T,$(1)/$(target): $($(1)/) $(foreach bd,$(if $($(1)/builddirs-$(target)),$($(1)/builddirs-$(target)),$($(1)/builddirs)),$(1)/$(bd)/$(target)) ;)
-  )
+  $(foreach target,$(SUBTARGETS),$(call subtarget,$(1),$(target)))
 endef
 
 # Parameters: <subdir> <name>

--- a/toolchain/Makefile
+++ b/toolchain/Makefile
@@ -7,7 +7,7 @@
 # Main makefile for the toolchain
 #
 file:=${lastword ${MAKEFILE_LIST}}
-curdir:=$(patsubst %/Makefile,%,${file})
+curdir:=toolchain
 
 # subdirectories to descend into
 $(curdir)/builddirs := kernel-headers $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_NATIVE_TOOLCHAIN),,binutils gcc uClibc)

--- a/tools/Makefile
+++ b/tools/Makefile
@@ -8,7 +8,7 @@
 #
 
 file:=${lastword ${MAKEFILE_LIST}}
-curdir:=$(patsubst %/Makefile,%,${file})
+curdir:=tools
 
 # subdirectories to descend into
 $(curdir)/builddirs := sed sstrip ipkg-utils ext2fs squashfs mtd-utils lzma mkimage firmware-utils patch-cmdline $(if $(CONFIG_CCACHE),ccache)

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