X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=rules.mk;h=b5be5b267184d16b8fc4a5fd585151ac8ed488f9;hp=f749863d7cb8acc5d5899ea127bee8a5499e54cf;hb=7a3dacef988ffc619d4a1faed80d05177980c498;hpb=940bc81bc2dee35f01c7ca6e5e588f62a20b82f8

diff --git a/rules.mk b/rules.mk
index f749863d7c..b5be5b2671 100644
--- a/rules.mk
+++ b/rules.mk
@@ -26,6 +26,11 @@ merge=$(subst $(space),,$(1))
 confvar=$(call merge,$(foreach v,$(1),$(if $($(v)),y,n)))
 strip_last=$(patsubst %.$(lastword $(subst .,$(space),$(1))),%,$(1))
 
+paren_left = (
+paren_right = )
+chars_lower = a b c d e f g h i j k l m n o p q r s t u v w x y z
+chars_upper = A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
+
 define sep
 
 endef
@@ -35,6 +40,15 @@ define newline
 
 endef
 
+__tr_list = $(join $(join $(1),$(foreach char,$(1),$(comma))),$(2))
+__tr_head_stripped = $(subst $(space),,$(foreach cv,$(call __tr_list,$(1),$(2)),$$$(paren_left)subst$(cv)$(comma)))
+__tr_head = $(subst $(paren_left)subst,$(paren_left)subst$(space),$(__tr_head_stripped))
+__tr_tail = $(subst $(space),,$(foreach cv,$(1),$(paren_right)))
+__tr_template = $(__tr_head)$$(1)$(__tr_tail)
+
+$(eval toupper = $(call __tr_template,$(chars_lower),$(chars_upper)))
+$(eval tolower = $(call __tr_template,$(chars_upper),$(chars_lower)))
+
 _SINGLE=export MAKEFLAGS=$(space);
 CFLAGS:=
 ARCH:=$(subst i486,i386,$(subst i586,i386,$(subst i686,i386,$(call qstrip,$(CONFIG_ARCH)))))
@@ -201,7 +215,7 @@ HOST_CPPFLAGS:=-I$(STAGING_DIR_HOST)/include -I$(STAGING_DIR_HOST)/usr/include
 HOST_CFLAGS:=-O2 $(HOST_CPPFLAGS)
 HOST_LDFLAGS:=-L$(STAGING_DIR_HOST)/lib -L$(STAGING_DIR_HOST)/usr/lib
 
-ifeq ($(CONFIG_GCC_VERSION_4_6)$(CONFIG_EXTERNAL_TOOLCHAIN),)
+ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   TARGET_AR:=$(TARGET_CROSS)gcc-ar
   TARGET_RANLIB:=$(TARGET_CROSS)gcc-ranlib
   TARGET_NM:=$(TARGET_CROSS)gcc-nm