[问题]Android can only be built by versions 3.81 and 3.82

zhaohuarong

在编译Android4.4.2的源码时编译器报错：
        Android can only be built by versions 3.81 and 3.82
意思就是当前系统中的make版本不是3.81或者是3.82。有两种方式可以解决这个问题。

方法1：将现在系统中的make替换成3.81
下载make3.8.1.tar.gz

1. $ tar -xvf make3.8.1.tar.gz
   
2. $ cd make-3.8.1
   
3. $ ./configure
   
4. $ make
   
5. $ sudo make install

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记得卸载掉原来系统的make

1. $sudo apt remove make

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方法2：修改Android的源码，使其不再进行这个make版本检测
编辑aosp_root/build/core/main.mk，将下面的从42到55行都注释掉

1. 40 # Check for broken versions of make.
   
2. 41 # (Allow any version under Cygwin since we don't actually build the platform there.)
   
3. 42 ifeq (,$(findstring CYGWIN,$(shell uname -sm)))
   
4. 43 ifeq (0,$(shell expr $(echo $(MAKE_VERSION) | sed "s/[^0-9\.].*//") = 3.81))
   
5. 44 ifeq (0,$(shell expr $(echo $(MAKE_VERSION) | sed "s/[^0-9\.].*//") = 3.82))
   
6. 45 ifeq (0,$(shell expr $(echo $(MAKE_VERSION) | sed "s/[^0-9\.].*//") = 4.1))          #<----------------------在这里让make4.1可以编译
   
7. 46 $(warning ********************************************************************************)
   
8. 47 $(warning *  You are using version $(MAKE_VERSION) of make.)
   
9. 48 $(warning *  Android can only be built by versions 3.81 and 3.82.)
   
10. 49 $(warning *  see https://source.android.com/source/download.html)
    
11. 50 $(warning ********************************************************************************)
    
12. 51 $(error stopping)
    
13. 52 endif
    
14. 53 endif
    
15. 54 endif
    
16. 55 endif

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