| # | |
| # 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. | |
| # | |
| # Only use ANDROID_BUILD_SHELL to wrap around bash. | |
| # DO NOT use other shells such as zsh. | |
| ifdef ANDROID_BUILD_SHELL | |
| SHELL := $(ANDROID_BUILD_SHELL) | |
| else | |
| # Use bash, not whatever shell somebody has installed as /bin/sh | |
| # This is repeated from main.mk, since envsetup.sh runs this file | |
| # directly. | |
| SHELL := /bin/bash | |
| endif | |
| # Utility variables. | |
| empty := | |
| space := $(empty) $(empty) | |
| comma := , | |
| # Note that make will eat the newline just before endef. | |
| define newline | |
| endef | |
| # The pound character "#" | |
| define pound | |
| # | |
| endef | |
| # Unfortunately you can't simply define backslash as \ or \\. | |
| backslash := \a | |
| backslash := $(patsubst %a,%,$(backslash)) | |
| TOP :=$= . | |
| TOPDIR :=$= | |
| # Prevent accidentally changing these variables | |
| .KATI_READONLY := SHELL empty space comma newline pound backslash | |
| # Basic warning/error wrappers. These will be redefined to include the local | |
| # module information when reading Android.mk files. | |
| define pretty-warning | |
| $(warning $(1)) | |
| endef | |
| define pretty-error | |
| $(error $(1)) | |
| endef |