45 lines
2.0 KiB
Makefile
45 lines
2.0 KiB
Makefile
#
|
|
# Copyright (C) 2018 The Android Open Source Project
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
#
|
|
|
|
###########################################################
|
|
## Convert to lower case without requiring a shell, which isn't cacheable.
|
|
##
|
|
## $(1): string
|
|
###########################################################
|
|
to-lower=$(subst A,a,$(subst B,b,$(subst C,c,$(subst D,d,$(subst E,e,$(subst F,f,$(subst G,g,$(subst H,h,$(subst I,i,$(subst J,j,$(subst K,k,$(subst L,l,$(subst M,m,$(subst N,n,$(subst O,o,$(subst P,p,$(subst Q,q,$(subst R,r,$(subst S,s,$(subst T,t,$(subst U,u,$(subst V,v,$(subst W,w,$(subst X,x,$(subst Y,y,$(subst Z,z,$1))))))))))))))))))))))))))
|
|
|
|
###########################################################
|
|
## Convert to upper case without requiring a shell, which isn't cacheable.
|
|
##
|
|
## $(1): string
|
|
###########################################################
|
|
to-upper=$(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$1))))))))))))))))))))))))))
|
|
|
|
# Sanity-check to-lower and to-upper
|
|
lower := abcdefghijklmnopqrstuvwxyz-_
|
|
upper := ABCDEFGHIJKLMNOPQRSTUVWXYZ-_
|
|
|
|
ifneq ($(lower),$(call to-lower,$(upper)))
|
|
$(error to-lower sanity check failure)
|
|
endif
|
|
|
|
ifneq ($(upper),$(call to-upper,$(lower)))
|
|
$(error to-upper sanity check failure)
|
|
endif
|
|
|
|
lower :=
|
|
upper :=
|