44 lines
1.5 KiB
Makefile
44 lines
1.5 KiB
Makefile
# Copyright (C) 2010 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Check that we have a Cygwin-compatible make.
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#
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# For some reason, a lot of application developers on Windows
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# have another GNU Make installed in their path, that fails
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# miserably with our build scripts. If we can detect this use
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# case, early, we will be able to dump a human-readable error
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# message with some help to fix the issue.
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#
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.PHONY: all
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all:
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# Get the cygwin-specific path to the make executable
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# (e.g. /cygdrive/c/cygwin/usr/bin/make), then strip the
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# .exe suffix, if any.
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#
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CYGWIN_MAKE := $(shell cygpath --unix --absolute $(firstword $(MAKE)))
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CYGWIN_MAKE := $(CYGWIN_MAKE:%.exe=%)
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# Now try to find it on the file system, a non-cygwin compatible
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# GNU Make, even if launched from a Cygwin shell, will not
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#
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SELF_MAKE := $(strip $(wildcard $(CYGWIN_MAKE).exe))
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ifeq ($(SELF_MAKE),)
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$(error Android NDK: $(firstword $(MAKE)) is not cygwin-compatible)
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endif
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# that's all
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