From 0628630664e2bb152072d8f060966a5dcd9fee7e Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 3 Jan 2016 20:57:53 +0000 Subject: [PATCH] build: add pure make tolower/toupper funtions that do not require shell calls Signed-off-by: Felix Fietkau SVN-Revision: 48105 --- rules.mk | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/rules.mk b/rules.mk index 1e7549f92f..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))))) -- 2.25.1