| # Copyright (C) 2010 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. |
| # |
| |
| # Check that we have a Cygwin-compatible make. |
| # |
| # For some reason, a lot of application developers on Windows |
| # have another GNU Make installed in their path, that fails |
| # miserably with our build scripts. If we can detect this use |
| # case, early, we will be able to dump a human-readable error |
| # message with some help to fix the issue. |
| # |
| |
| .PHONY: all |
| all: |
| |
| # Get the cygwin-specific path to the make executable |
| # (e.g. /cygdrive/c/cygwin/usr/bin/make), then strip the |
| # .exe suffix, if any. |
| # |
| CYGWIN_MAKE := $(shell cygpath --unix --absolute $(firstword $(MAKE))) |
| CYGWIN_MAKE := $(CYGWIN_MAKE:%.exe=%) |
| |
| # Now try to find it on the file system, a non-cygwin compatible |
| # GNU Make, even if launched from a Cygwin shell, will not |
| # |
| SELF_MAKE := $(strip $(wildcard $(CYGWIN_MAKE).exe)) |
| ifeq ($(SELF_MAKE),) |
| $(error Android NDK: $(firstword $(MAKE)) is not cygwin-compatible) |
| endif |
| |
| # that's all |
